Deild:  


Jónas Þór Snæbjörnsson, prófessor

Deild:Tæknisvið / Verkfræðideild 
Aðsetur:Venus, 2. hæð 
Sími:599 6528 
Netfang:jonasthorru.is 
Vefur:http://www.ru.is/starfsfolk/jonasthor

Ferilskrá

Menntun

Dr. ing., Norwegian University of Since and Technology (NTNU), Trondheim, Norway, 2002.
MSCE - Master of Science in Civil Engineering, University of Washington, USA, 1989.
CS - Degree in Civil Engineering, University of Iceland, 1985.
 
Starfsferill
2018-         Prófessor, Verkfræðideild, Háskólinn í Reykjavík.
2014-         Professor II, Dep. of Mechanical & Structural Eng. & Material Science, University of Stavanger, Norway. 
2011-18     Prófessor, Tækni- og verkfræðideild, Háskólinn í Reykjavík.
2010-         Gestaprófessor, Rannsóknarmiðstöð í Jarðskjálftaverkfræði, Háskóli Íslands.
2009-11     Prófessor, Dep. of Mechanical & Structural Eng. & Material Science, University of Stavanger, Norway.
2008-09     Vísindamaður, Rannsóknarmiðstöð í Jarðskjálftaverkfræði, Háskóli Íslands.
1998-08     Fræðimaður, Rannsóknarmiðstöð í Jarðskjálftaverkfræði, Háskóli Íslands.
1990-09     Aðjúnkt, Umhverfis- og byggingarverkfræðideild, Háskóla Íslands.
1989-98     Sérfræðingur, Aflfræðistofa, Verkfræðistofnun Háskóla Íslands.
1985-87     Sérfræðingur, Aflfræðistofa, Verkfræðistofnun Háskóla Íslands.
 
Sérsvið
Greining burðarvirkja,vindverkfræði, jarðskjálftaverkfræði, mannvirkjahönnun, mælitækni
 
Aðildarfélög
Verkfræðingafélag Íslands
European Association for Earthquake Engineering (EAEE).
International Association for Wind Engineering (IAWE).
American Association for Wind Engineering
The Society for Experimental Mechanics
 
Ritstörf
 
Tímaritsgreinar

Ibuki Kusano, J B Jakobsen, J T Snæbjörnsson: CFD simulations of a suspension bridge deck for different deck shapes with railings and vortex mitigating devices. IOP Conference Series Materials Science and Engineering 11/2019; 700:012003, DOI:10.1088/1757-899X/700/1/012003.

Fjóla G. Sigtryggsdóttir, Jónas Thór Snæbjörnsson: Geological challenges and geohazard monitoring of a mega engineering hydropower project in Iceland. Engineering Geology 05/2019; 259:105152., DOI:10.1016/j.enggeo.2019.105152

Etienne Cheynet, Jasna Bogunović Jakobsen, Jonas Snæbjörnsson: Flow distortion recorded by sonic anemometers on a long-span bridge: Towards a better modelling of the dynamic wind load in full-scale. Journal of Sound and Vibration 03/2019; 450., DOI:10.1016/j.jsv.2019.03.013

Milad Kowsari, Benedikt Halldorsson, Birgir Hrafnkelsson, Jónas Þór Snæbjörnsson, Sigurjón Jónsson: Calibration of ground motion models to Icelandic peak ground acceleration data using Bayesian Markov Chain Monte Carlo simulation. Bulletin of Earthquake Engineering 02/2019; 17(6):1-30., DOI:10.1007/s10518-019-00569-5

E. Cheynet, J. B. Jakobsen, J. Snæbjörnsson, H. Ágústsson, K. Harstveit: Complementary use of wind lidars and land-based met-masts for wind measurements in a wide fjord. Journal of Physics Conference Series 10/2018; 1104:012028, DOI:10.1088/1742-6596/1104/1/012028

Fjóla G. Sigtryggsdóttir, Jónas Thór Snæbjörnsson, Lars Grande: Statistical Model for Dam-Settlement Prediction and Structural-Health Assessment. Journal of Geotechnical and Geoenvironmental Engineering 09/2018; 144(9). DOI:10.1061/(ASCE)GT.1943-5606.0001916

Jungao Wang, Etienne Cheynet, Jónas Þór Snæbjörnsson, Jasna Bogunović Jakobsen: Coupled aerodynamic and hydrodynamic response of a long span bridge suspended from floating towers. Journal of Wind Engineering and Industrial Aerodynamics 04/2018; 177. DOI:10.1016/j.jweia.2018.03.024

J T Snæbjörnsson, J B Jakobsen, E Cheynet, J Wang: Full-scale monitoring of wind and suspension bridge response. 12/2017; 276(1):012007. IOP publishing, Materials Science and Engineering, DOI:10.1088/1757-899X/276/1/012007 

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Snæbjörnsson, Nikolas Angelou, Torben Mikkelsen, Mikael Sjöholm, Benny Svardal: Full-scale observation of the flow downstream of a suspension bridge deck. Journal of Wind Engineering and Industrial Aerodynamics 12/2017; 171:261 - 272. DOI:10.1016/j.jweia.2017.10.007

Etienne Cheynet, Jasna B. Jakobsen, Jónas Snæbjörnsson, Jakob Mann, Michael Courtney, Guillaume Lea, Benny Svardal: Measurements of Surface-Layer Turbulence in a Wide Norwegian Fjord Using Synchronized Long-Range Doppler Wind Lidars. Remote Sensing 09/2017; 9(10):977. DOI:10.3390/rs9100977

Jungao Wang, Etienne Cheynet, Jasna Bogunovic Jakobsen, Jónas Snæbjörnsson: Time –domain analysis of wind-induced response of a suspension bridge in comparison with full-scale measurements. Proceedings of the International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2017-61725, ISBN: 978-0-7918-5763-2, 12 pages.

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Snæbjörnsson: Damping estimation of large wind-sensitive structures. Procedia Engineering 09/2017; 199:2047-2053., DOI:10.1016/j.proeng.2017.09.471

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Snæbjörnsson, Joachim Reuder, Valerie Kumer, Benny Svardal: Assessing the potential of a commercial pulsed lidar for wind characterisation at a bridge site. Journal of Wind Engineering and Industrial Aerodynamics 01/2017; 161:17 - 26., DOI:10.1016/j.jweia.2016.12.002

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Snæbjörnsson, Torben Mikkelsen, Mikael Sjöholm, Jakob Mann, Per Hansen, Nikolas Angelou, Benny Svardal: Application of short-range dual-Doppler lidars to evaluate the coherence of turbulence. Experiments in Fluids 12/2016; 57(12):1-17., DOI:10.1007/s00348-016-2275-9

Etienne Cheynet, Jónas Snæbjörnsson, Jasna Bogunović Jakobsen: Buffeting response of a suspension bridge in complex terrain. Engineering Structures 12/2016; 128:474-487., DOI:10.1016/j.engstruct.2016.09.060

Eythor Rafn Thorhallsson, Gudmundur Ingi Hinriksson, Jónas Thór Snæbjornsson: Strength and stiffness of glulam beams reinforced with glass and basalt fibres. Composites Part B Engineering 10/2016;, DOI:10.1016/j.compositesb.2016.09.0

Jónas Thór Snaebjornsson, Eythor Rafn Thorhallsson: Dynamic Characteristics of Multi-Story Reinforced Concrete Buildings. Solid State Phenomena 04/2016; 249. DOI:10.4028/www.scientific.net/SSP.249.235.

Eythor Rafn Thorhallsson, Jónas Thór Snaebjornsson: Basalt Fibers as New Material for Reinforcement and Confinement of Concrete. Solid State Phenomena 04/2016; 249. DOI:10.4028/www.scientific.net/SSP.249.79.

Jasna Bogunovic Jakobsen, Etienne Cheynet, Jonas Snæbjörnsson, Torben Mikkelsen, Mikael Sjöholm, Nikolas Angelou, Per Hansen, Jakob Mann, Benny Svardal, Valerie Kumer, Joachim Reuder: Assessment of Wind Conditions at a Fjord Inlet by Complementary Use of Sonic Anemometers and Lidars. Energy Procedia 12/2015; 80. DOI:10.1016/j.egypro.2015.11.445

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas þór Snæbjörnsson: Full scale monitoring of wind and traffic induced response of a suspension bridge. MATEC Web of Conferences 10/2015; 24. DOI:10.1051/matecconf/20152404003

Fjóla G. Sigtryggsdóttir, Jónas Thór Snæbjörnsson, Lars Grande, Ragnar Sigbjörnsson: Interrelations in multi-source geohazard monitoring for safety management of infrastructure systems. Structure and Infrastructure Engineering 03/2015; DOI:10.1080/15732479.2015.1015147.

Fjóla G. Sigtryggsdóttir, Jónas Th. Snæbjörnsson, Lars Grande, Ragnar Sigbjörnsson: Methodology for geohazard assessment for hydropower projects. Natural Hazards 01/2015; DOI:10.1007/s11069-015-1906-4.

Ragnar Sigbjörnsson, Jónas Thór Snæbjörnsson, S. M. Higgins, B. Halldórsson and S. Ólafsson. A note on the Mw 6.3 earthquake in Iceland on 29 May 2008 at 15:45 UTC. Bull Earthquake Eng., Vol. 7, No. 1, February 2009. DOI: 10.1007/s10518-008-9087-0.

Ragnar Sigbjörnsson, Simon Ólafsson and Jónas Thór Snæbjörnsson. Macroseismic effects related to strong ground motion: a study of the South Iceland earthquakes in June 2000. Bulletin of Earthquake Engineering, 5, p.591-608, 2007.

Jónas Thór Snæbjörnsson, C.J. Baker and R. Sigbjörnssona. Probabilistic assessment of road vehicle safety in windy environments. Journal of Wind Engineering and Industrial Aerodynamics. Volume 95, Issues 9-11, 1445-1462, 2007.

Jónas Thór Snæbjörnsson and Chris P.W. Geurts. Modelling surface pressure fluctuations on medium-rise buildings. Journal of Wind Engineering and Industrial Aerodynamics. Volume 94, Issue 11 , 845-858, 2006.

Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson. Probabilistic Assessment of Wind Related Accidents of Road Vehicles: A Reliability Approach, Journal of Wind Engineering and Industrial Aerodynamics, Vol. 74-76, pp. 1079-1090, 1998.

Jónas Thór Snæbjörnsson and Dorothy A. Reed. Wind-induced Motion in Multi-Storey Buildings, Journal of Wind Engineering and Industrial Aerodynamics, Vol. 41-44, 1113-1123, 1992.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson. Wind Structure over Post glacial Lava Surface. Journal of Wind Engineering and Industrial Aerodynamics, Vol. 41-44, 305-315, 1992.

Jónas Thór Snæbjörnsson and Dorothy A. Reed. Wind-induced Accelerations of a Building: A case study. Engineering Structures, Vol. 13, 268-280, 1991.

 

Ritgerðir

Jónas Thór Snæbjörnsson, (2002), Full- and model scale study of wind effects on a medium rise building in a built up area, Doktor ingeniøravhandling 2002:95, Institutt for konstruksjonsteknikk, Norges teknisk-naturvitenskaplige universitet, ISBN 82-471-5495-1, ISSN 0809-105X, 200 pp.
Jónas Thór Snæbjörnsson: “Wind Induced Accelerations in a Multistory Building”, MSCE thesis, University of Washington, 1989, 122 pp
 
Bókarkaflar
Ragnar Sigbjörnsson og Jónas Þór Snæbjörnsson: Vindurinn er „undarlega skapaður” (The wind is strangely contrived), Á vatnaskilum, A publication in memoriam of Prof. Jonas Eliasson on his 60th birthday, University Press, Reykjavik, 1998, pp. 83-95 (In Icelandic).

Ingibjörg Birna Kjartansdóttir, Stefan Mordue, David Philp, Jónas Thór Snæbjörnsson. Building Information Modelling – BIM – Manual 21 in the Construction Manager’s Library, ERASMUS+ 2015-1-PL01-KA202-016454, Editors: Mariola Książek, Jerzy Rosłon, © Copyright by Civil Engineering Faculty of Warsaw University of Technology, Warsaw 2017. ISBN 978-83-947920-1-5. 130 pages.

Jonas Thor Snæbjörnsson, Thomas Ole Messelt Fadnes, Jasna Bogunović Jakobsen, Ove Tobias Gudmestad: A Study of Suspension Bridge Vibrations Induced by Heavy Vehicles. Dynamics of Civil Structures, Volume 2, 01/2020: pages 115-123; ISBN: 978-3-030-12114-3, DOI:10.1007/978-3-030-12115-0_15.

Etienne Cheynet, Jonas Snæbjörnsson, Jasna Bogunović Jakobsen: Identifying Traffic-Induced Vibrations of a Suspension Bridge: A Modelling Approach Based on Full-Scale Data. Dynamics of Civil Structures, Volume 2, 01/2020: pages 93-101; ISBN: 978-3-030-12114-3, DOI:10.1007/978-3-030-12115-0_12.

Etienne Cheynet, J. B. Jakobsen, J. Snæbjörnsson: Flow Distortion Recorded by Sonic Anemometers on a Long-Span Bridge. Proceedings of the XV Conference of the Italian Association for Wind Engineering, 01/2019: pages 192-206; ISBN: 978-3-030-12814-2, DOI:10.1007/978-3-030-12815-9_16.

Fjóla G. Sigtryggsdóttir, Jónas Th. Snæbjörnsson: Systematic Methodology for Planning and Evaluation of a Multi-source Geohazard Monitoring System. Application of a Reusable Template. Proceedings of the International Conference on Earthquake Engineering and Structural Dynamics, 01/2019: pages 385-401; ISBN: 978-3-319-78186-0, DOI:10.1007/978-3-319-78187-7_29.

Milad Kowsari, Benedikt Halldorsson, Jónas Thor Snæbjörnsson: On the Manifestation of Ground Motion Model Differences on Seismic Hazard Sensitivity in North Iceland. Proceedings of the International Conference on Earthquake Engineering and Structural Dynamics, 01/2019: pages 11-24; ISBN: 978-3-319-78186-0, DOI:10.1007/978-3-319-78187-7_2.

Ragnar Sigbjörnsson, J. Snæbjörnsson, G. Valsson, Th. Sigurdsson, Rajesh Rupakhety: Surface Strain Rate Tensor Field for Iceland Based on a GPS Network. Earthquake Engineering and Structural Dynamics in Memory of Ragnar Sigbjörnsson, 01/2018: pages 175-191; ISBN: 978-3-319-62098-5, DOI:10.1007/978-3-319-62099-2_9

Etienne Cheynet, Jonas Snæbjörnsson, Jasna Bogunovic Jakobsen: Temperature Effects on the Modal Properties of a Suspension Bridge. Dynamics of Civil Structures, Volume 2. Proceedings of the 35th IMAC, A Conference and Exposition on Structural Dynamics 2017, 06/2017: chapter 12: pages 87-93; Springer International Publishing, ISBN: 978-3-319-54777-0, DOI:10.1007/978-3-319-54777-0_12.

Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson,og Benedikt Halldórsson, Hröðunarmælingar (pg 533 – 537),  Kafli 9 – Jarðskjálftamælingar, NÁTTÚRUVÁ Á ÍSLANDI, Eldgos og jarðskjálftar, Ritstj.: Júlíus Sólnes, Freysteinn Sigmundsson og Bjarni Bessason, 750 bls., University Press, 2013, ISBN: 978-9979-54-943-7.

Kristín Vogfjörð, Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson, Benedikt Halldórsson, Júlíus Sólnes og Ragnar Stefánsson, Kafli 12 Suðurlandsskjálftarnir 2000 og 2008 (pg. 611 – 634), NÁTTÚRUVÁ Á ÍSLANDI, Eldgos og jarðskjálftar, Ritstj.: Júlíus Sólnes, Freysteinn Sigmundsson og Bjarni Bessason, 750 bls., University Press, 2013, ISBN: 978-9979-54-943-7.
 
Ráðstefnugreinar
 
Thomas J Kennedy, Benedikt Halldórsson, Jónas Þór Snaebjörnsson, Russell A Green: Influence of gravel fill on the seismic response characteristics of sites in Iceland. 17th European Conference on Soil Mechanics and Geotechnical Engineering (ECSMGE - 2019), Reykjavik, Iceland; 09/2019, DOI:10.32075/17ECSMGE-2019-0471.

Nicolò Daniotti, Etienne Cheynet, Jasna Bogunovi´c Jakobsen and Jonas Snæbjörnsson, Analysing wind-induced vibrations of a suspension bridge using GNSS data, The 15th International Conference onWind Engineering, Beijing, China; September 1-6, 2019. (10 pages)

Etienne Cheynet, Shengnan Liu, Muk Chen Ong, Jasna Bogunovi´c Jakobsen, Jónas Snæbjörnsson and Inno Gatin, Influence of the local terrain on the mean flow characteristics in a fjord, The 15th International Conference onWind Engineering, Beijing, China; September 1-6, 2019. (4 pages)

Ibuki Kusano, Jasna B. Jakobsen, Jonas Th. Snæbjörnsson, Multi-fidelity optimization of bridge deck shape under aerodynamic constraint, The 15th International Conference onWind Engineering, Beijing, China; September 1-6, 2019. (10 pages)

Nicolò Daniotti, Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Þór Snæbjörnsson: Damping Estimation from Full-Scale Traffic-Induced Vibrations of a Suspension Bridge. ASCE International Conference on Computing in Civil Engineering 2019; 06/2019, DOI:10.1061/9780784482445.022

Milad Kowsari, Benedikt Halldorsson, Nasrollah Eftekhari, Jónas Þór Snæbjörnsson, Sigurjón Jónsson: Sensitivity Analysis of Seismicity Parameters and Ground Motion Models Used in PSHA to Its Input Assumptions: A Case Study of Husavik, North Iceland. NORTHQUAKE 2019 - The 3rd International Workshop on Earthquakes in North Iceland, Húsavík, Iceland; 05/2019

Etienne Cheynet, Jasna B. Jakobsen and Jónas Snæbjörnsson (2018) Flow distortion recorded by sonic anemometers on a long-span bridge. Proc. of IN-VENTO-2018, the Conference of the Italian Association for Wind Engineering; 09/2018, 14 pp.

Eythor Rafn Thorhallsson, Jonas Thor Snæbjornsson Design methods for low-rise reinforced concrete buldings in moderate seismicity areas. Proc. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece; 06/2018, 10 pp.

Milad Kowsari, Benedikt Halldorsson, Nasrollah Eftekhari, Jónas Þ Snaebjörnsson: Sensitivity analysis of earthquake hazard in Husavik, North-Iceland from variable seismicity and ground motion models. Proc. 16th European Conference on Earthquake Engineering, Thessaloniki, Greece; 06/2018, 10 pp.

E. Cheynet, J. B. Jakobsen, J. Snæbjörnsson, H. Agustsson, K. Harstveit: Complementary use of wind lidars and land-based met-masts for wind measurements in a wide fjord, Proc. of EERA DeepWind 2018, the 15th Deep Sea Offshore Wind R&D Conference, Trondheim, 17 - 19 January 2018.

Fjóla G. Sigtryggsdóttir, Jónas Th. Snæbjörnsson: Geohazard monitoring for reservoir and dam safety and sustainability, Proc. 19th International Conference on Soil Mechanics and Geotechnical Engineering, Seoul, Korea 09/17. www.icsmge2017.org

Benedikt Halldorsson, Milad Kowsari, Tim Sonnemann, Birgir Hrafnkelsson, Jónas Þór Snæbjörnsson, Sigurjón Jónsson, Kristín S. Vogfjörð: On the Sensitivity of Earthquake Hazard in North Iceland Using a New Set of Ground Motion Models. The PSHA workshop, Lenzburg, Switzerland; 09/2017. https://www.epos-ip.org/events/probabilistic-seismic-hazard-assessment-workshop-lenzburg-switzerland

Eythor Rafn Thorhallsson, Guðmundur Úlfar Gíslason, Guðni Jónsson, Jónas Th. Snaebjörnsson: Basalt fiber reinforced precast concrete panels-an alternative concept. Proc. of the XXIII Nordic Concrete Research Symposium, Aalborg; 08/2017, 4 pages. https://nordicconcrete.net/events/symposium/

Jungao Wang, Jónas Þór Snæbjörnsson, Jasna Bogunović Jacobsen, Etienne Cheynet: Coupled Aerodynamic and hydrodynamic response of a long span bridge suspended from floating towers. Proc. 7th European African Conference on Wind Engineering (EACWE) June 2017, Liege, Belgium, 12 pages.

Etienne Cheynet, Jasna B. Jakobsen, Jonas Snæbjörnsson, Guillaume Lea, Jakob Mann, Michael Courtney and Benny Svardal: Measurement of the wind coherence with synchronized long-range Doppler wind lidars, Proc. 7th European African Conference on Wind Engineering (EACWE) June 2017, Liege, Belgium, 9 pages.

Etienne Cheynet, Jasna B. Jakobsen, Jonas Snæbjörnsson, Guillaume Lea, Jakob Mann, Michael Courtney and Benny Svardal: Wind turbulence measturements above the sea in an open fjord inlet using long-range Doppler wind liders. Proc. 7th European African Conference on Wind Engineering (EACWE) June 2017, Liege, Belgium, 12 pages.

Milad Kowsari, Benedik Halldorsson, Jonas Snæbjörnsson: On the Manifestation of Ground Motion Model Differences on Seismic Hazard in North Iceland. The International Conference on Earthquake engineering and Structural Dynamics; Reykjavik, Iceland 06/2017, 10 pages. http://icesd.hi.is/proceedings/

Fjóla. G. Sigtryggsdóttir & Jónas Th. Snæbjörnsson: Systematic methodology for planning and evaluation of a multi-source geohazard monitoring system. Application of a reusable template. Proc. of the International Conference on Earthquake engineering and Structural Dynamics; Reykjavik, Iceland 06/2017, 10 pages. http://icesd.hi.is/proceedings/

Eythór Rafn Thórhallsson, Jonas Thór Snaebjörnsson: Basalt Fibers as composite material for structural elements. COST Action TU1207 End of Action Conference, Budapest, Hungary; 04/2017, 9 pages.

M Kowsari, B Halldorsson, J Þ Snaebjörnsson: On the probabilistic seismic hazard estimate for Husavik, North Iceland, on the basis of Monte Carlo methods. The 16th World Conference on Earthquake, 16WCEE 2017; 01/2017. 10 pages.

M Kowsari, B Halldorsson, B Hrafnkelsson, J Th Snaebjörnsson, S Ólafsson, R Rupakhety: On the selection of ground motion prediction equations for seismic hazard assessment in the South Iceland seimic zone, The 16th World Conference on Earthquake, 16WCEE 2017; 01/2017. 10 pages.

Etienne Cheynet, Jasna Bogunović Jakobsen, Jonas Snæbjörnsson, Wind-induced vibrations monitoring with satellite navigation, Challenges in Design and Construction of an Innovative and Sustainable Built Environment, 19th Congress of IABSE, Stockholm, September 21 - 23, 2016

Etienne Cheynet, Jasna Bogunovi´c Jakobsen, Jonas Snæbjörnsson, Torben Mikkelsen, Mikael Sjöholm, Jakob Mann, Per Hansen, Nikolas Angelou, Benny Svardal, Full-scale measurement of the wake of a suspension bridge. 8th Int.ernational Colloquium on Bluff Body Aerodynamics and Applications, Northeastern University, Boston, Massachusetts, USA, June 7 - 11, 2016.

Jónas Snaebjörnsson, Etienne Cheynet, Jasna Bogunovic Jakobsen: Performance evaluation of a suspension bridge excited by wind and traffic induced action. 8th European Workshop On Structural Health Monitoring (EWSHM 2016), Bilbao, Spain; 07/2016

Höskuldur Goði Þorbjargarson, Jónas Þór Snæbjörnsson, Benedikt Halldórsson, Eyþór Þórhallsson: Structural Modelling and Earthquake Analysis of a Hospital Building located within the Tjörnes Fracture Zone in Iceland. International Workshop on Earthquakes in North Iceland, Húsavík, North Iceland; 05/2016

Milad Kowsari, Benedikt Halldorsson, Birgir Hrafnkelsson, Jónas Þór Snæbjörnsson, Sigurjón Jónsson, Símon Ólafsson: On the Sensitivity of Seismic Hazard Estimates for North Iceland on the basis of Monte Carlo Methods. International Workshop on Earthquakes in North Iceland, Husavik, North Iceland; 05/2016

Milad Kowsari, Benedikt Halldorsson, Birgir Hrafnkelsson, Jónas Þór Snæbjörnsson, Símon Ólafsson, Sigurjón Jónsson: On the Sensitivity of Ground-Motion Prediction Equations for Earthquake Strong-motions in the South Iceland Seismic Zone. International Workshop on Earthquakes in North Iceland, Husavik, North Iceland; 05/2016

J.Th. Snæbjörnsson, S. Rahpeyma, B. Halldórsson, F.G. Sigtryggsdóttir: Effects of soil-structure interaction on the excitation and response of RC buildings subjected to strong-motion, Geotechnical earthquake engineering, in Proc. of the 17th Nordic Geotechnical Meeting, Reykjavik Iceland, 25th - 28th of May 2016

B. Halldorsson, C. I. Olivera, S. Rahpeyma, S. Ólafsson, R. A. Green, J.Th. Snæbjörnsson: On the HVSR estimation at Icelandic strong-motion stations. Geotechnical earthquake engineering, in Proc. of the 17th Nordic Geotechnical Meeting, Reykjavik Iceland, 25th - 28th of May 2016.

Jonas Thor Snaebjornsson, Eythor Rafn Thorhallsson: DYNAMIC CHARACTERISTICS OF MULTI-STORY REINFORCED CONCRETE BUILDINGS. Czech Republic_concrete day 2015, Litomysl; 11/2015

Eythor Rafn Thorhallsson, Jonas Thor Snaebjornsson: BASALT FIBERS AS NEW MATERIAL FOR REINFORCEMENT AND CONFINEMENT OF CONCRETE. Proceedings 22nd Czech Concrete Day 2015, Litomysl; 11/2015

Etienne Cheynet, Jasna Bogunovic Jakobsen and Jónas Þór Snæbjörnsson, (2015), FULL-SCALE MONITORING OF WIND AND TRAFFIC INDUCED RESPONSE OF A SUSPENSION BRIDGE, EVACES’15, Experimental Vibration Analysis for Civil Engineering Structures, 19-21 October 2015, Duebendorf, Switzerland, 8 pp.

Jónas Þór Snæbjörnsson, Örvar Jónsson (2015), Full scale Monitoring of an RC Building and Analysis of Wind Induced Vibrations, ICWE14: 14th International Conference on Wind Engineering, Porto Alegre, Brazil; ISBN 978-85-66094-07-7, Paper ID 02490 (full paper, pp 15, electronic proceedings).

Jasna Bogunović Jakobsen, Etienne Cheynet, Jonas Snaebjörnsson, Torben Mikkelsen, Mikael Sjöholm, Nikolas Angelou, Per Hansen, Jakob Mann, Benny Svardal, Valerie Kumer, Joachim Reuder (2015) Application of lidars for assessment of wind conditions on a bridge site. ICWE14: 14th International Conference on Wind Engineering, Porto Alegre, Brazil; ISBN 978-85-66094-07-7, Paper ID 02426 (full paper, pp 10, electronic proceedings).

Etienne Cheynet, Jasna Bogunović Jakobsen, Jónas Þór Snaebjörnsson (2015) Buffeting response of a bridge at the inlet of a fjord. ICWE14: 14th International Conference on Wind Engineering, Porto Alegre, Brazil; ISBN 978-85-66094-07-7, Paper ID 02352 (full paper, pp 13, electronic proceedings).

Todor Zhelyazov, Eythor Thorhallsson, Jonas Thor Snaebjornsson (2015) SIMULATION OF EXPERIMENTAL RESEARCH ON STRENGTENING CONCRETE COLUMNS BY BASALT FIBER SHEETS. Concrete - Innovation and Design, fib Symposium, Copenhagen, Denmark; 05/2015, pp 8.

Eythor Thorhallsson, Todor Zhelyazov, Andri Gunnarsson, Jonas Thor Snaebjornsson (2015) CONCRETE BEAMS REINFORCED WITH PRESTRESSED BASALT BARS. Concrete-Innovation and Design, fib Symposium, Copenhagen, Denmark; 05/2015, pp 8.

Jasna Bogunovic Jakobsen, Etienne Cheynet, Jonas Snæbjörnsson, Torben Mikkelsen, Mikael Sjöholm, Nikolas Angelou, Per Hansen, Jakob Mann, Benny Svardal, Valerie Kumer, Joachim Reuder (2015), Assessment of wind conditions at a fjord inlet by complementary use of sonic anemometers and lidars, 12th Deep Sea Offshore Wind R&D Conference, EERA DeepWind’2015, Trondheim, 4 - 6 February 2015.

Etienne Cheynet, Jasna Bogunovic Jakobsen and Jónas þór Snæbjörnsson (2014) Wind-induced response of a bridge at the inlet of a fjord, 11th Biennal Conference of the UK WIND ENGINEERING SOCIETY, 8-10 September 2014, Birmingham, United Kingdom, 4 pp.

Ragnar SIGBJÖRNSSON, Símon ÓLAFSSON, Jónas Thór SNÆBJÖRNSSON and Rajesh RUPAKHETY (2014) RESPONSE SPECTRA BASED ON A THEORETICAL MODEL APPLIED TO STRONG MOTION DATA, paper no. 2039, Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Jónas Thór SNÆBJÖRNSSON, Rajesh RUPAKHETY and Ragnar SIGBJÖRNSSON (2014) WIND TURBINES IN SEISMIC ENVIRONMENT ‐ A CASE STUDY, paper no. 2037 Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Eythor Rafn THORHALLSSON, Einar Magnus EINARSSON and Jonas Thor SNAEBJORNSSON (2014) SEISMIC DESIGN OF LOW RISE RC SHEAR WALL BUILDINGS IN SOUTH ICELAND LOWLAND,  paper 1172, Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Ragnar SIGBJÖRNSSON, Simon ÓLFSSON, Rajesh RUPAKHETY, Benedikt HALLDÓRSSON, Puja ACHARYA and Jónas Th. SNÆBJÖRNSSON (2014) STRONG‐MOTION MONITORING AND ACCELEROMETRIC RECORDINGS IN ICELAND, paper no. 2034, Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Todor ZHELYAZOV, Eythor THORHALLSSON, Jónas SNAEBJÖRNSSON, Ragnar SIGBJÖRNSSON, Símon ÓLAFSSON (2014) SEISMIC ISOLATION ‐ ASSESSMENT OF THE DAMPING CAPACITY, paper no. 2038, Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Ragnar SIGBJÖRNSSON, Rajesh RUPAKHETY, Benedikt HALLDORSSON and Jonas Thór SNÆBJÖRNSSON (2014) ON THE MODELLING OF INCOHERENCE OF STRONG‐MOTION ‐ A STUDY OF THE MAY 2008 ÖLFUS EARTHQUAKE, paper no. 3329, Second European Conference on Earthquake Engineering and Seismology (2ECEES), 24-29 August, Istanbul, Turkey, 12 pp.

Eythor Thorhallsson, Andri Gunnarsson, Jonas Thor Snaebjornsson (2014) SIMULATION OF EXPERIMENTAL RESEARCH OF CONCRETE BEAMS PRESTRESSED WITH BFRP TENDONS, Proceedings Nordic Concrete Research Symposium, Reykjavik, Iceland, 4 pp.

Jonas Thor Snæbjornsson (2014) Monitoring and analysis of wind and earthquake response of three multi-story RC buildings, Proceedings EURODYN 2014 - 9th International Conf. on Structural Dynamics, 30 June–2 July 2014, Porto, Portugal, 8 pp.

Etienne Cheynet, Jasna Bogunovic Jakobsen and Jónas þór Snæbjörnsson (2014) Wind characteristics on a suspension bridge at the inlet of a fjord, XIII Conference of the Italian Association for Wind Engineering 22-25 June 2014, Genova, Italy, 10 pp.

Jonas Thor Snæbjornsson (2014) Monitoring and analysis of wind and earthquake response of three multi-story RC buildings, Book of Abstracts, EURODYN 2014 - 9th International Conf. on Structural Dynamics, 30 June–2 July 2014, Porto, Portugal.

Sigtryggsdottir FG, Snæbjörnsson JTh, Sigbjörnsson R, Grande L (2013) Rockfill dam settlement data. Processing and statistical analysis. Hydropower 2013-ChinaCold 2013 Annual Meeting, The 3rd International Symposium on Rockfill Dams, China 2013 (pp. 10).

Sigtryggsdottir FG, Snæbjörnsson JTh, Ingolfsson P, Sigbjörnsson R (2013a) Research on geohazards during construction of the KHP, ICOLD 2013 International Symposium, Seattle, WA, USA. (pp. 10)

Sigtryggsdottir FG, Snæbjörnsson JTh, Ingolfsson P, Sigbjörnsson R (2013b) Organization of the Hálslón impounding monitoring of geohazards, ICOLD 2013 International Symposium, Seattle WA, USA. (pp. 10)

Sigtryggsdottir FG, Snæbjörnsson JTh, Ingolfsson P, Sigbjörnsson R (2013c) Results from the monitoring of geohazards since the impounding of the Hálslón reservoir, ICOLD 2013 International Symposium, Seattle WA, USA. (pp. 10)

Jonas Thor Snæbjörnsson & Einar Thor Ingolfsson (2013) Full-Scale Monitoring of the Dynamic Behavior of a 20 story RC Building, The 12th Americas Conference on Wind Engineering (12ACWE), Seattle, Washington, USA, June 16-20, 2013 (pp.20).

Jonas Thor Snæbjörnsson and Einar Thor Ingolfsson (2013) Monitoring and Analysis of Wind Induced Vibrations of a 20 story RC Building, Proceedings of the 6th European and African Conference on Wind Engineering (pp. 8).

Sigurdsson, S.U., R. Rupakhety , R. Sigbjörnsson, J. T. Snæbjörnsson, E. R. Thorhallsson, F. G. Sigtryggsdottir (2013). Concrete shear wall buildings founded on gravel cushions. In Proceedings of the SE-50EEE, International Conference on Earthquake Engineering – Skopje, Macedonia (pp.10).

Jonas Thor Snæbjörnsson (2012) Short- and long term changes in dynamic characteristics of a medium rise RC building, Proceedings fib Symposium, Concrete structures for sustainable community, ed. D.H. Gager & J. Silfwerbrand, (p.561-564), 11 – 14 June, KTH, Stockholm, Sweden (ISBN 978-91-980098-1-1).

Halldorsson, B., S. Ólafsson, J.Th. Snæbjörnsson, S.U. Sigurdsson, R. Rupakhety, R. Sigbjörnsson (2012) On the Effects of Induced Earthquakes due to Fluid Injection at Hellisheidi Geothermal Power Plant, Iceland. Proceedings of the 15th World Conference on Earthquake Engineering, Lisboa, paper 4069 (pp.10).

J.Th. Snæbjörnsson, F.G. Sigtryggsdóttir, Ragnar Sigbjörnsson (2012), Soil-structure interaction effects on the excitation and response of a low-rise RC building subjected to near- and far-fault earthquakes. Proceedings of the 15th World Conference on Earthquake Engineering (15WCEE), (pp. 10), Sept 24-29, Lisbon, Portugal.

F.G. Sigtryggsdottir, J.Th. Snæbjörnsson & P.R. Palmason (2012), Iceland On the Seismic Design History and Analysis of the Desjararstifla dam in Iceland. Proceedings of the 15th World Conference on Earthquake Engineering (15WCEE), (pp. 10), Sept 24-29, Lisbon, Portugal.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2011). The dynamic behaviour of medium rise RC buildings in a windy environment. Proceedings of the 13th International Conference on Wind Engineering (ICWE13), (pp. 8), July 10-15, Amsterdam, Netherlands.

Jonas Thor Snæbjornsson, Knut Inge Edvardsen, Jasna Bogunovic Jakobsen and Bjarni Bessason (2011). Numerical analysis of vortex shedding of a light mast. Proceedings of the 13th International Conference on Wind Engineering (ICWE13), (pp. 8), July 10-15, Amsterdam, Netherlands.

Boutin, C.; Hans, S.; Soubestre, J.; Taylot, C. T.; Ibraim, E., Dietz, M.; Dihoru, L.; Lefik, M.; Wojciechowski,M.; Snaebjornsson, J.; Sigbjornsson, R. (2010) Dynamic behaviour of reinforced soil: Theoretical Modelling versus shaking table experiments. SERIES Workshop, Proceedings of the 14th European Conference on Earthquake Engineering, Ohrid, Republic of Macedonia.

R. Sigbjörnsson, J.Th. Snæbjörnsson, S.M. Higgins, S. Ólafsson and B. Halldórsson (2008) Mapping of inelastic effects and structural behaviour factors for Eurocode 8: A case study for Iceland. In Proceedings of the 14th World Conf on Earthquake Engineering (pp. 8), October 12-17, Beijing, China.

R. Sigbjörnsson, J.Th. Snæbjörnsson, S.M. Higgins, S. Ólafsson and B. Halldórsson (2008) Probabilistic hazard assessment of fault displacements, In Proceedings of the 14th World Conf on Earthquake Engineering (pp. 8), October 12-17, Beijing, China.

R. Sigbjörnsson, S.M. Higgins, S. Ólafsson, B. Halldórsson and J.Th. Snæbjörnsson (2008) Comparative study of uniform hazard spectra derived using different ground motion estimation models: A case study. In Proceedings of the 14th World Conf on Earthquake Engineering (pp. 8), October 12-17, Beijing, China.

J.Th. Snæbjornsson and R. Sigbjornsson (2008) The duration characteristics of earthquake ground motions. In Proceedings of the 14th World Conf on Earthquake Engineering (pp. 8), October 12-17, Beijing, China.

J.Th. Snæbjornsson and R. Sigbjornsson (2008) The spatial variability of ground motion and its effects on multi-supported structures. In Proceedings of the 14th World Conf on Earthquake Engineering (pp. 8), October 12-17, Beijing, China.

Bjarni Bessason and Jónas Thór Snæbjörnsson (2008) Vortex shedding induced vibration of a light mast, In Proceedings of the BBAA VI Int. Colloquium on Bluff Bodies Aerodyn. & Appl. (pp. 15), July 20-24, Milano, Italy.

Snæbjörnsson, J. T., Carr, A. J. & Sigbjörnsson, R. (2006) Long-term dynamic behaviour of a multi-story RC-building in a seismic environment. In Proceedings of the 8th US National Conf on Earthquake Eng. (pp. 10). San Francisco: EERI.

Jónas Thór Snæbjörnsson & Sigbjörnsson, R. (2006). Monitoring the dynamics of a concrete building enduring earthquake and wind excitation. In Proceedings of the 1st European Conference on Earthquake Engineering and Seismology (pp. 10). Geneva: SGEB.

Sigbjörnsson, R., Sigurðsson, T., Snæbjörnsson, J. T., & Valsson, G. (2006). Mapping of crustal strain rate tensor for Iceland with applications to seismic hazard assessment. In Proceedings of the 1st European Conf on Earthquake Engineering and Seismology (pp. 10). Geneva: SGEB.

Snæbjörnsson, J., Taylor, C. A., Stefansson, B., & Sigbjörnsson, R. (2006). Reservoir induced earthquake action and crustal movements. In Proceedings of the 1st European Conf on Earthquake Eng.and Seismology (pp. 10). Geneva: SGEB.

Jónas Thór Snæbjörnsson, Taylor, C. A., Stefansson, B., & Sigbjörnsson, R. (2006). Reservoir induced earthquake action and crustal movements. In Proceedings of the 1st European Conference on Earthquake Engineering and Seismology (pp. 10). Geneva: SGEB.

J.Th. Snæbjörnsson, C.J. Baker, R. Sigbjörnsson (2005) Probabilistic assessment of road vehicle safety in windy environments, Proceedings of the 4EACWE - The Fourth European & African Conference on Wind Engineering, J. Naprstek & C. Fischer (eds); ITAM AS CR, Prague, 11-15 July, 2005, Paper #2964, 14 pg.

Jónas Þór Snæbjörnsson & Chris Geurts, (2004) Characteristics of surface pressure fluctuations on medium-rise buildings”, Proceedings of the final COST-C14 International Conference on Impact of Wind and Storm on City life and Built Environment, 5.-7. May, 2004, von Karman Institute, Belgium, 10 pp.

Alvaro Cuerva, Benoit Permentier, Christian Sacre & Jonas Þór Snæbjörnsson (2004) “Working Group 3: Large scale facilities and full scale studies - a review of the topics studied”, Proceedings of the final COST-C14 International Conference on Impact of Wind and Storm on City life and Built Environment, 5.-7. May, 2004, von Karman Institute, Belgium, 10 pp.

Jónas Þór Snæbjörnsson, Ragnar Sigbjörnsson & Simon Ólafsson (2004) “Modelling of earthquake response spectra for strike-slip earthquakes in the near- and far-field“, Proceedings of the 13th World Conference on Earthquake Engineering (Paper No. 2366), Vancouver, B.C., Canada, DVD & CD publication, Mira, August 2004, 10 pp.

Jónas Thór Snæbjörnsson, Athol J. Carr & Ragnar Sigbjörnsson (2004) “Analysing and modelling recorded earthquake induced structural response”, Proceedings of the 13th World Conference on Earthquake Engineering (Paper No. 445), Vancouver, B.C., Canada, DVD & CD publication,  Mira, August 2004, 15 pp.

Jónas Þór Snæbjörnsson, Erik Hjorth-Hansen, Ragnar Sigbjörnsson and Tom Wyatt (2003) Acceleration Response of a Medium-Height building to Wind Gust Excitation”, Proceedings of the 11th International Conference on Wind Engineering, Edited by D.A. Smith & and C.W. Letchford, Texas Tech University, Lubbock Texas, USA, (paper no. B07.5), 10 pp.

Jónas Þór Snæbjörnsson, (2003) “Full-scale measurements of surface pressure on a medium-height building in an urban location”, COST action C14 – Impact of wind and storm on city life and built environment, 2nd workshop, University of Ioannina, Greece, Nov. 21st-22nd, 2003, 10 pp.

Thórarinsson, Ó., B. Bessason, J. Snæbjörnsson, S. Ólafsson, G. I. Baldvinsson, R. Sigbjörnsson, (2002) “The south Iceland earthquakes in 2000: Strong motion measurements”, Proc. of the 12th European Conf. on Earthquake Engineering, paper no. 321. London, UK, 2002, 10 pp.

Jónas Þór Snæbjörnsson, (2001) ”Spectral characteristics of wind induced pressures on a model- and a full-scale building”, Proceedings of the 3rd European & African Conference on Wind Engineering, Jacob Wisse et al. (ed.), © 2001, FAGO and CO, Eindhoven University of Technology, The Netherlands, ISBN 90-681-121-X, pp. 333-341.

Jan Henje, Jónas Thór Snæbjörnsson, Ragnar Sigbjörnsson and Fjóla Sigtryggsdóttir (2000) “On the design history of a hydroelectric power plant in tectonic active environments”, Proc. of the 12th World Conf. on Earthquake Engineering, Paper no. 1714, New Zealand, 2000, pp. 8.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1999) “Footbridge dynamics and pedestrian induced vibrations – a case study”, Proc. of the 4th European Conf. on Structural Dynamics - EURODYN ´99, Fryba & Naprstek (eds.), 1999 Balkema, Rotterdam, ISBN 90 5809 056 6, pp. 41-48.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1998) “Probabilistic Modelling of Ice and Wind Effects on Electrical Transmission Line Structures”, Proc. of the 8th International Workshop on Atmospheric Icing of Structures (IWAIS 1998), 1998, Reykjavik, Iceland, pp. 21-26.

Jónas Thór Snæbjörnsson (1997) “Wind Loading and Response of a Medium Rise Building in a Built up Area”, Proc. of the 2nd European & African Conf. on Wind Engineering, Giovanni Solari (ed.), © 1997, SGE, Padova, Italy, pp. 1255-1262.

Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (1997) “Probabilistic Assessment of Wind Related Accidents of Road Vehicles”, Proc. of the 2nd European & African Conf. on Wind Engineering, Giovanni Solari (ed.), © 1997, SGE, Padova, Italy, pp. 1875-1882.

Jónas Thór Snæbjörnsson, Erik Hjorth-Hansen and Ragnar Sigbjörnsson (1996) ”Variability of Natural Frequency and Damping ratio of a Concrete Building- Case study in System Identification”, Proc. of the 3rd European Conf. on Structural Dynamics-Eurodyn ‘96, Augusti et al. (eds.), Vol. 2, 1996 Balkema, Rotterdam, pp. 949-956.

Jónas Thór Snæbjörnsson, Jan Henje, Fjóla Sigtryggsdóttir and Ragnar Sigbjörnsson (1995) “Earthquake response model for hydroelectric power plant”, Proc. of the 10th European Conf. on Earthquake Engineering, Duma (ed.), 1995 Balkema, Rotterdam, pp. 2011-2016.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1995) “Estimation of Structural Parameters from full-scale Wind-Induced Response”, Wind Engineering Retrospect and Prospect, Papers for the Ninth International Conf., Wiley Eastern Ltd., New Delhi, India, 1995, pp. 1420-1431.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1993) “A study of earthquake and wind induced structural response”, Proc. of the 2nd European Conf. on Structural Dynamics - EURODYN ´93, Moan et al. (eds.), Vol. 1, 1993 Balkema, Rotterdam, pp. 41-48.

Jónas Thór Snæbjörnsson, Gudrún Thóra Gardarsdóttir and Ragnar Sigbjörnsson (1992) “A study of earthquake induced response: Measurements and prediction”, Proc. of the 10th World Conf. on Earthquake Engineering, 1992 Balkema, Rotterdam, pp. 4051-4056.

Jónas Thór Snæbjörnsson and Dorothy A. Reed (1992) “Wind-induced Motion in Multi-Story Buildings”, Progress in Wind Engineering, Proc. of the 8th International Conf. on Wind Engineering, Davenport et. al. (eds.), 1992, Elsevier, Amsterdam, pp. 1113-1124.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1992) “Wind Structure over Postglacial Lava Surface”, Progress in Wind Engineering, Proc. of the 8th International Conf. on Wind Engineering, Davenport et. al. (eds.), 1992, Elsevier, Amsterdam, pp. 305-316.


Skýrslur

Jónas Þór Snæbjörnsson, Memo – The extension of Burfell powerplant – Clarifications for bidding documents and seismic design. Composed for Landsvirkjun Power, Verkís og Mannvit, 25. january 2016, 6 pp. (in Icelandic)

Jónas Þór Snæbjörnsson, Mat á tillögum að göngubrú yfir Markarfljót við Húsadal, Minnisblað til Vegagerðarinnar, september 2014, 4 pp. 

Jónas Þór Snæbjörnsson, Vindálag á Norðurturn Smáralindar, Minnisblað til VSB Verkfræðistofa, júní 2014, 12 pp. [Windloading on the façade of the Northtower at Smaralind shopping center], Memorandum to VSB consulting, June 2014, 12 pp.

Benedikt Halldórsson, Símon Ólafsson, Ragnar Sigbjörnsson og Jónas Þór Snæbjörnsson (2014): Um áhrif jarðskjálfta á jarðgöng. Úttekt á helstu áhrifaþáttum með tilliti til fyrirhugaðra jarðganga í Húsavíkurhöfða [On the effects of earthquakes on ground tunnel through Husavikurcape]. Rannsóknarmiðstöð í jarðskjálftaverkfræði, Háskóla Íslands [Earthquake Engineering Research Centre, Univ. of Iceland], skýrsla nr. 14001 [Report no. 14001], Selfossi 2014, 44 pp.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2013) Dynamic Behaviour of Wind Turbines in Seismic Environment: A Case Study. A status report to the Energy Research Fund of The National Power Company (Landsvirkjun) for project no. 06-2013.

Jónas Þór Snæbjörnsson, Ragnar Sigbjörnsson (2012). Hröðunarmælingar vegna vindáhrifa á Smáratorg 3 (Wind induced Accelerations monitoring in Smaratorg 3, Reykjavik), Memorandum to SMI dated 31. January 2012, 19 pp.

Jónas Þór Snæbjörnsson, Ragnar Sigbjörnsson (2012). Peak ground acceleration (PGA) and design spectra for the Burfell wind turbines, Memorandum to Landsvirkjun dated 26. January 2012, 5 pp.

Jónas Þór Snæbjörnsson and Terje Fritzmann (2010): Response of primary and secondary systems under dynamic excitation, Earthquake Engineering Research Institute, University of Iceland, Report no. 10001, Selfoss, 2010, 117 pp.

Markus Rennen og Jónas Þór Snæbjörnsson (2009): The Kárahnjúkar Hydroelectric Project - Field Survey and Deformation Analysis in the Hálslón area, Earthquake Engineering Research Institute, University of Iceland, Report no. 09004, Selfoss, 2009, 28 pp.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2008). Earthquake hazard and seismic action for for proposed power plants in the South Iceland Lowland, Report LV-2008/056, Landsvirkjun, Reykjavik 2008, 127 pages.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2008). Earthquake Action in Reykjanes, Iceland - Effect on proposed data centre at Keflavik Airport. EERC Report No. 08001, Earthquake Engineering Research Centre, University of Iceland, Selfoss 2008, 25 pages.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2008). Earthquake Action for Hydroelectric Power Plants - Review of design criteria for equipment and non-structural elements. EERC Report No. 08002, Earthquake Engineering Research Centre, University of Iceland, Selfoss 2008, 23 pages.

Jónas Þór Snæbjörnsson, Ragnar Sigbjörnsson (2008): The Earthquake on  MAY 29 2008; 15:45 UTC - Effect on Hydroelectric Power Facilities, Earthquake Engineering Research Institute, University of Iceland, Report no. 08003, Selfoss, 2008, 17 pages.

Jónas Þór Snæbjörnsson (2008). The Kárahnjúkar Hydroelectric Project - Assessment of differential deformations in the vicinity of the dams at Kárahnjúkar, Earthquake Engineering Research Institute, University of Iceland, Report no. 08004, Selfoss, 2008, 24 pages.

Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (2007). Earthquake hazard - Preliminary assessment for an industrial lot at Bakki near Húsavík, EERC Report No. 07001, Earthquake Engineering Research Centre, University of Iceland, 49 pages.

Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson og Jón Börkur Ákasson (2007). Áhrif Suðurlandsskjálftanna í júní árið 2000 á dælustöð hitaveitu Rangæinga í Káldárholti – Um ákvörðun styrks sandklappar með þríásaprófi (The effects of the June 2000 earthquakes on a hotwater pumping station at Kaldarholt – Triaxial testing of foundation soil), EERC-Univ. of Iceland, Report no. 07002, Selfoss 2007, 20 pp. (in Icelandic).

Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson (2007). Norðurturn Smáralindar, 15 hæða verslunar- og skrifstofuhúsnæði í Kópavogi - Álags- og hönnunarforsendur fyrir jarðskjálfta, (The 15 story northtower of Smaralind shopping and office centre – Earthquake action and design), EERC-Univ. of Iceland, Report no. 07003, Selfoss 2007, 19 pp. (in Icelandic).

Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (2007). Probabilistic Seismic Hazard Assessment Toolbox, EERC-Report No. 07005, Earthquake Engineering Research Centre, University of Iceland, Selfoss 2007, 69 pages.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2007). Earthquake hazard and seismic action for for proposed power plants in the South Iceland Lowland, EERC-Report No. 07006, Earthquake Engineering Research Centre, University of Iceland, Selfoss 2007, 129 pages.

Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (2007). Earthquake Action, Chapter 5 in Geothermal projects in NE-Iceland at Krafla Bjarnarflag, Gjástykki and Theistareykir – Assessment of geo-hazards affecting energy production and transmission systems emphasizing structural design criteria and mitigation of risk, (ed. Axel Björnsson), Report LV-2007/075, Landsvirkjun, Landsnet and Theistareykir ehf, Reykjavík 2007, 157 pages.

Snæbjörnsson, J. Th., Ólafsson, S. and Sigbjörnsson, R. (2006). Kárahnjúkar Hydroelectric Project - Hálslón Area: Assessment of earthquake action. Report LV 2006/013. pp. 168.
Snæbjörnsson, J. Th., Taylor, C.A. and Sigbjörnsson, R. (2006). Kárahnjúkar Hydroelectric Project - Hálslón Area: Assessment of crustal deformations and fault movements. Report LV 2006/013. pp. 176.
Sigbjornsson, R., & Snæbjörnsson, J. Th. (2006). Hvamms and Urridafoss Hydroelectric Projects: Earthquake action - Suggested design specifications, EERC Report No 06010, Earthquake Engineering Research Centre, University of Iceland, pp. 15.
Snæbjörnsson, J.Th., Oddbjörnsson, O., Taylor, C. A., & Sigbjornsson, R. (2006). Kárahnjúkar Hydroelectric Project - Háslslón Area: On the rock fault behaviour induced by impounding of the Háslslón Reservoir: An exploratory study, Report No. LV-2006/102, Landsvirkun, pp. 99.
Freysteinn Sigmundsson, Páll Einarsson, Páll Halldórsson, Steinunn Jakobsdóttir, Kristín Vogfjörð, Ragnar Sigbjörnsson og Jónas Þór Snæbjörnsson (2005)Earthquakes and faults in the Kárahnjúkar area: Review of hazards and recommended further studies. Report LV-2005/027; 20 pages.
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson, Jón Börkur Ákason (2005), Áhrif Suðurlandsskjálftannaí júní árið 2000 á dælustöð Hitaveitu Rangæinga í Kaldárholti. (The effects of the June 2000 earthquakes on a hotwater pumping station at Kaldarholt), EERC-Univ. of Iceland, Report no. 05010, Selfoss 2005, 43 pp. (in Icelandic).
Snæbjörnsson, J. Th., Ólafsson, S., Sigbjörnsson, R.(2005), Assessment of Earthquake action: Háslslón Area, Earthquake Engineering Research Centre, University of Iceland, Report No. 05011, 2005,168 pages.
Snæbjörnsson, J. Th., Colin, T. A., Sigbjörnsson, R.(2005), Assessment of Crustal deformation and fault movements: Hálslón Area, EERC Report No. 05012, Earthquake Engineering Research Centre, University of Iceland, 2005,176 pages.
Skúli Þórðarson, Jónas Þór Snæbjörnsson og Laila Sif Cohagen (2005), Umferðarslys og vindafar (Traffic accidents and the wind environment), Áfangaskýrsla II, RANNUM-RaUm0401, 2005, 105 pp. (http://www.vegagerdin.is), (in Icelandic).
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson, Símon Ólafsson og Óðinn Þórarinsson (2004), “Jarðskjálftar - Yfirlit yfir hröðunarmælingar” (Earthquakes – Overview on recorded acceleration), EERC-Univ. of Iceland, Report no. 04006, Selfoss 2004, 47 pp. (in Icelandic).
Skúli Þórðarson og Jónas Þór Snæbjörnsson (2004), “Umferðarslys og Vindafar” (Traffic accidents and the wind environment), Áfangaskýrsla I, RANNUM-RaUm0301sk01, March 2004, 42 pp. (http://www.vegagerdin.is) (in Icelandic).
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson og Jón Börkur Ákason (2003), “Áhrif Jarðskjálfta í júní árið 2000 á Dælustöð Hitaveitu Rangæinga í Kaldárholti” (The effects of the earthquakes in June 2000 on a hotwater pumping station at Kaldarholt), EERC-Univ. of Iceland, Report no. 03001, Selfoss 2003, 39 pp. (in Icelandic).
Jónas Þór Snæbjörnsson, Símon Ólafsson og Óðinn Þórarinsson (2003), “Response of primary and secondary systems under dynamic excitation”, EERC-University of Iceland, Report no. 03005, Selfoss 2003, 89 pp.
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson og Jón Börkur Ákason (2003), “Um skemmdir á dælustöð Hitaveitu rangæinga í Kaldárholti” (Earthquake damage at a hotwater pumping station at Kaldarholt), EERC-Univ. of Iceland, Report no. 03006, Selfoss 2003, 19 pp. (in Icelandic).
Óðinn Þórarinsson og Jónas Þór Snæbjörnsson (2002): “Titringur í húseigninni við Vesturgötu 18-24 í Hafnarfirði, Greinargerð um mælingar (Traffic induced vibrations in a house in Hafnarfjord – On data recorded), EERC-Univ. of Iceland, Report no. 02003, Selfoss 2002, 12 pp. (in Icelandic).
Jónas Þór Snæbjörnsson and Ragnar Sigbjörnsson (2001), “Acceleration Recordings in Power Stations and Dams during the South Iceland Earthquakes in June 2000” EERC-Univ. of Iceland, Report no. 01001, Selfoss 2001, 108 pp.
Jónas Þór Snæbjörnsson (2001), “Characteristics of wind induced pressures on a model- and a full-scale building”, ERI-Univ. of Iceland, Report no. 01004, Selfoss 2001, 38 pp.
Ragnar Sigbjörnsson and Jónas Þór Snæbjörnsson (2001),“ Um áhrif jarðskjálfta á tæknibúnað í stöðvarhúsi Búðarhálsvirkjunar (On seismic effects on installations in the powerhouse of the Búdarháls Powerplant), EERC-Univ. of Iceland, Report no. 02001, Selfoss 2002” EERC-Univ. of Iceland, Report no. 02001, Selfoss 2002, 27 pp.
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson,Símon Ólafsson, Bjarni Bessason, Gunnar I. Baldvinsson and Óðinn Þórarinsson, 2000 (2000), “Jarðskjálftar á Suðurlandi 17. og 21. júní 2000” (Earthquakes in South Iceland on June 17 and June 21 2000) EERC-Univ. of Iceland, Report no. 00001, Selfoss 2000, 53 pp. (in Icelandic).
Jónas Þór Snæbjörnsson (2000), “Response of primary and secondary systems under dynamic excitation”, EERC-University of Iceland, Report no. 00002, Selfoss 2000, 8 pp.
Jónas Thór Snæbjörnsson, Ragnar Sigbjörnsson and Benedikt Halldórsson (1999): “Um áhrif jarðskjálfta á tæknibúnað í stöðvarhúsi Vatnsfellsvirkjunar” (On seismic effects on installations in the powerhouse of the Vatnsfell Powerplant), ERI Report no. 99004, Reykjavik 1999, 18 pp. (in Icelandic).
Ragnar Sigbjörnsson, Símon Ólafsson, Bjarni Bessason, Gunnar I. Baldvinsson, Benedikt Halldórsson, Jónas Thór Snæbjörnsson and Óðinn Þórarinsson (1998): “Jarðskjálftar með upptök í Hellisheiði 4. júní 1998” (Earthquakes with epicentre in Hellisheidi on June 4, 1998), ERI Report no. 98001, Reykjavik 1998, ISBN 9979-899-12-3, 34 pp. (in Icelandic).
Jónas Thór Snæbjörnsson, Benedikt Halldórsson, Ragnar Sigbjörnsson, Gunnar I. Baldvinsson and Bjarni Bessason (1998): “Áhrif jarðskjálfta á Sultartangavirkjun” (Seismic effects on the Sultartangi Powerplant), ERI Report no. 98003, Reykjavik 1998, 67 pp. (in Icelandic).
Ragnar Sigbjörnsson, Gunnar I. Baldvinsson, Jónas Thór Snæbjörnsson, Bjarni Bessason and Páll Einarsson (1997): “Áhrif jarðskjálfta á tæknibúnað í stöðvarhúsi Kröfluvirkjunar” (Seismic effects on installations in the powerhouse at Krafla geothermal Powerplant), ERI Report no. 97001, Reykjavik 1997, 30 pp. (in Icelandic).
Jónas Thór Snæbjörnsson, Benedikt Halldórsson and Ragnar Sigbjörnsson (1997): “Áhrif jarðskjálfta á spennistöðvar og búnað þeirra - með sérstöku tilliti til áhrifa jarðskjálfta á Reykjanesskaga á spennistöðvar á höfuðborgarsvæðinu” (Seismic effects on substations in the Reykjavik area and their equipment), ERI Report no. 97004, Reykjavik 1997, 27 pp. (in Icelandic).
Ragnar Sigbjörnsson, Símon Ólafsson, Bjarni Bessason, Gunnar I. Baldvinsson, Benedikt Halldórsson, Jónas Thór Snæbjörnsson and Óðinn Þórarinsson (1997): “Jarðskjálftar með upptök í Hellisheiði 24. ágúst 1997” (Earthquakes with epicentre in Hellisheidi on August 24, 1997), ERI report no. 97005, Reykjavik 1997, ISBN 9979-899-00-X, 29 pp. (in Icelandic).
Jónas Thór Snæbjörnsson (1997): “Wind loading and response of a medium rise building in a built up area - Overview on measurements”, Engineering Research Institute, University of Iceland, Report no. 97006, Reykjavik 1997, 31 pp.
Jónas Thór Snæbjörnsson, Óðinn Þórarinsson, Benedikt Halldórsson and Ragnar Sigbjörnsson (1997): “Hreyfingarfræðilegir eiginleikar göngubrúar – mælingar, úrvinnsla og túlkun” (Dynamic characteristics of a walk bridge – measurements, data reduction and analysis), ERI report no. 97007, Reykjavik 1997, 25 pp. (in Icelandic).
Gunnar I. Baldvinsson, Jónas Thór Snæbjörnsson, and Ragnar Sigbjörnsson (1995): “Um vindafar við Sveinseyri í Dýrafirði” (On the wind conditions at Sveinseyri in Dyrafjord), ERI Report 95002, Reykjavik 1995, 56 pp. (in Icelandic).
Gunnar I. Baldvinsson, Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1995): “Um vindafar á Þingeyrarflugvelli” (On the wind conditions at Thingeyri airport), ERI Report 95003, Reykjavik 1995, 50 pp. (in Icelandic).
Gunnar I. Baldvinsson, Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1995): “Um vindafar á Ísafjarðarflugvelli” (On the wind conditions at Isafjordur airport), ERI Report 95004, Reykjavik 1995, 156 pp. (in Icelandic).
Jónas Thór Snæbjörnsson, Gunnar I. Baldvinsson and Ragnar Sigbjörnsson (1995): “Samanburður á vindafari við Þingeyrarflugvöll, Ísafjarðarflugvöll og Sveinseyri” (Comparison of wind conditions at Thingeyri airport, Isafjord airport and Sveinseyri), ERI Report 95005, Reykjavik 1995, 87 pp. (in Icelandic).
Jónas Thór Snæbjörnsson (1995): “Interpretation and utilisation of measured wind velocity and wind induced acceleration data”, Engineering Research Institute, Univ. of Iceland, Report no. 95008, Reykjavik, Iceland 1995, 55 pp.
Jónas Thór Snæbjörnsson and Ragnar Sigbjörnsson (1995): “Greinargerð varðandi rútuslys í Hrútafirði 22. október 1995” (A report on a bus accident in Hrutafjordur on the October 22, 1995), ERI, Reykjavik 1996, 22 pp. (in Icelandic).
Jens Bjarnasson, Jónas Thór Snæbjörnsson, and Ragnar Sigbjörnsson (1994): “Könnun á vindafari við Sveinseyri í Dýrafirði, úrvinnsla mæligagna” (Investigation of wind conditions at Sveinseyri, data analysis), ERI Report 94002, Reykjavik 1994, 58 pp. (in Icelandic).
Jónas Thór Snæbjörnsson, Gunnar Baldvinsson, Ódinn Thórarinsson and Ragnar Sigbjörnsson (1994): “Measurements of Atmospheric Turbulence at Keilisnes”, Engineering Research Institute, Univ. of Iceland, Report no. 94004, Reykjavik, Iceland 1994, 87 pp.
Jónas Thór Snæbjörnsson (1994): “Signal processing and system identification of structural response data”, Engineering Research Institute, Internal Study Report no. 94006, Univ. of Iceland, Reykjavik, Iceland 1994, 24 pp.
Jónas Thór Snæbjörnsson (1994): “Spectral Estimation and Errors”, Engineering Research Institute, Internal Study Report no. 94007, Univ. of Iceland, Reykjavik, Iceland 1994, 44 pp.
Jónas Thór Snæbjörnsson (1993): “Wind induced response measurements in the Commerce Building - Overview, Storm relation and System Identification”, Engineering Research Institute, Internal Progress Report no. 93005, , Univ. of Iceland, Reykjavik 1993, 50 pp.
Jónas Thór Snæbjörnsson (1993): “On measurements of atmospheric turbulence applying Gill and Sonic anemometers - assessment of Reynolds stresses and surface roughness”, Engineering Research Institute, Internal Progress Report no. 93006 , Univ. of Iceland, Reykjavik 1993.
Ragnar Sigbjörnsson, Jónas Thór Snæbjörnsson, Gunnar Baldvinsson and Óðinn Thórarinsson (1990): “Measurement of Atmospheric Turbulence at Dysnes”, Engineering Research Institute, Univ. of Iceland, Report no. 90013, Reykjavik, Iceland 1990, 54 pp.
Ragnar Sigbjörnsson, Jónas Thór Snæbjörnsson, Gunnar Baldvinsson and Óðinn Þórarinsson (1990): “Measurement of Atmospheric Turbulence at Keilisnes”, Engineering Research Institute, Univ. of Iceland, Report no. 90014, Reykjavik, Iceland 1990, 54 pp.
Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (1989): “Vindsveiflur skorsteina” (Wind induced vibration of chimneys), ERI Report no. 89011, 1989, 57 pp. (in Icelandic).
Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (1988): “An Assessment of Seismic Risk for Hydroelectric Power Plants in Iceland”, Engineering Research Institute, Univ. of Iceland, report no. 88006, Reykjavik, Iceland 1988, 25 pp. (in Icelandic).
Jónas Thór Snæbjörnsson (1987): “Overview on wind velocity and meterological measurements on mountain Stigahlíð during the period Januar 1986 - Oktober 1987”. ERI Report 87006.
Ragnar Sigbjörnsson, Bjarni Bessason and Jónas Thór Snæbjörnsson (1987): “Vind- og jarðskjálftaálag fyrir veitingahús á Öskjuhlíð” (Wind and earthquake loading for a rotating restaurant on Öskjuhlíd in Reykjavik), ERI Report no. 87005, 1987, 58 pp. (in Icelandic).
Ragnar Sigbjörnsson and Jónas Thór Snæbjörnsson (1987): “Um jarðskjálftaöryggi ammóníaksgeymis”, (On the earthquake safety of an ammonium container), ERI Report no. 87004, 1987, 62 pp. (in Icelandic).

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