Research papers
2020
Journal papers
Etienne Cheynet, Shengnan Liu, Muk Chen Ong, Jasna Bogunović Jakobsen, Jónas Snæbjörnsson, Inno Gatin: The influence of terrain on the mean wind flow characteristics in a fjord. Journal of Wind Engineering and Industrial Aerodynamics, Vol. 205, 2020, 104331 https://doi.org/10.1016/j.jweia.2020.104331
Etienne Cheynet, Nicolò Daniotti, Jasna B. Jakobsen & Jónas Þór Snæbjörnsson: Improved long-span bridge modeling using data-driven identification of vehicle-induced vibrations, Structural Control and Health Monitoring, John Wiley & Sons Ltd, 2020, stc.2574 https://doi.org/10.1002/stc.2574
Milad Kowsari, Tim Sonnemann, Benedikt Halldorsson, Birgir Hrafnkelsson, Jónas Snæbjörnsson & Sigurjón Jónsson: Bayesian inference of empirical ground motion models to pseudo-spectral accelerations of south Iceland seismic zone earthquakes based on informative priors. Soil Dynamics and Earthquake Engineering, Vol. 132, 2020, 106075 https://doi.org/10.1016/j.soildyn.2020.106075
Todor Zhelyazov: Structural Materials: Identification of the Constitutive Models and Assessment of the Material Response in Structural Elements Strengthened with Externally-Bonded Composite Material, Materials 2020, 13(6), 1272; https://doi.org/10.3390/ma13061272
Book Chapters
Cheynet E., Snæbjörnsson J., Jakobsen J.B. (2020) Identifying Traffic-Induced Vibrations of a Suspension Bridge: A Modelling Approach Based on Full-Scale Data. In: Pakzad S. (eds) Dynamics of Civil Structures, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. Print ISBN: 978-3-030-12114-3, Online ISBN: 978-3-030-12115-0 https://doi.org/10.1007/978-3-030-12115-0_12
Snæbjörnsson J.T., Fadnes T.O.M., Jakobsen J.B., Gudmestad O.T. (2020) A Study of Suspension Bridge Vibrations Induced by Heavy Vehicles. In: Pakzad S. (eds) Dynamics of Civil Structures, Volume 2. Conference Proceedings of the Society for Experimental Mechanics Series. Springer, Cham. Print ISBN: 978-3-030-12114-3, Online ISBN: 978-3-030-12115-0. https://doi.org/10.1007/978-3-030-12115-0_15
Conference papers
J. Th. Snæbjörnsson, F.G. Sigtryggsdóttir, LARGE DAMS: SEISMIC HAZARD, DESIGN AND SAFETY ASPECTS, 17th World Conference on Earthquake Engineering, 17WCEE Sendai, Japan - September 13th to 18th 2020 Paper N°C004067, Registration Code: S-A02686 (10 pages)
Birgir Leo Olafsson, Johann Ingi Jonsson, Gudbjartur Jon Einarsson, Eythor Rafn Thorhallsson: Peak and flexural performance of chopped basalt fiber reinforced concrete beams. MATBUD'2020 Scientific-Technical Conference E-mobility, Sustainable Materials and Technologies 19-21 October 2020. Cracow University of Technology
Birgir Leo Olafsson, Johann Ingi Jonsson, Gudbjartur Jon Einarsson, Eythor Rafn Thorhallsson: Flexural performance of chopped basalt fiber reinforced concrete beams. Fib Symposium 2020 "Concrete Structures for Resilient Society” 22nd to 24th November, 2020.
2019
Journal papers
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
Book Chapters
Daniotti, N., Cheynet, E, Jakobsen, J. B., & Snæbjörnsson, J.: Damping Estimation from Full-Scale Traffic-Induced Vibrations of a Suspension Bridge In: Computing in Civil Engineering 2019: Smart Cities, Sustainability, and Resilience Edited by Yong K. Cho, Fernanda Leite, Amir Behzadan and Chao Wang. Book set: Computing in Civil Engineering 2019 (171-179), ISBN (PDF): 9780784482445. https://ascelibrary.org/doi/10.1061/9780784482445.022
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.
Conference papers
Iveta Nováková, Eyþór Rafn Þórhallsson, Olafur Wallevik: Influence of environmentally friendly basalt fibres on early-age strength of sprayed concrete. fib Symposium 2019: Concrete Innovations in Materials, Design and Structures, Krakow, ISSN 2617-4820
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 on Wind 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 on Wind 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
2018
Journal papers
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
Book Chapters
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
Conference papers
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.
E R Thorhallsson, J Ó Erlendsson: LAMINATE STRENGTH OF BASALT FIBERS IN POLYESTER RESIN. ECCM18 - 18th European Conference on Composite Materials, Athens, Greece; 06/2018
E R Thorhallsson, H Franzson, Birgir Jóhannesson, T I Sigfusson: Basalt mining in Iceland for continuous fiber production. UArtic Workshop: Mineral Research in the Arctic, Tromso, Norway; 06/2018
Iveta Nováková, Eyþór Rafn Þórhallsson, Hung Thanh Nguyen: Investigation of sprayed concrete with environmentally friendly basalt fibers for tunnel linings. UArctic Workshop: Mineral Research in the Arctic, Tromso, Norway; 06/2018
2017
Journal papers
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
Marianne Kjendseth Wiik, Eythor Rafn Thorhallsson, Kamal Azrague: A Mechanical and Environmental Assessment and Comparison of Basalt Fibre Reinforced Polymer (BFRP) Rebar and Steel Rebar in Concrete Beams. Energy Procedia 03/2017; 111(C):31-40., DOI:10.1016/j.egypro.2017.03.005
Book chapters / Reports
Birgir Johannesson, Thorsteinn Ingi Sigfusson, Hjalti Franzson, Ögmundur Erlendsson, Björn S. Harðarson, Eythor Rafn Thorhallsson, Arni B. Arnason, Kamal Azrague, Marianne Rose Kjendseth Wiik, Sirje Vares, Anna Kronlöf, Pertti Koskinen, Tapio Vehmas: GREENBAS Sustainable Fibres from Basalt Mining. Edited by Birgir Johannesson, 01/2017; Nordic Council of Ministers., ISBN: ISBN 978-92-893-4809-6, DOI:10.6027/TN2016-564
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.
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.
Conference papers
Iveta Nováková, Eythor Thorhallsson, Lenka Bodnárová: Behaviour of Basalt Fibre Reinforced Concrete Exposed to Elevated Temperatures. 5th International Workshop on Concrete Spalling due to Fire Exposure Borås, Sweden, 12-13 October 2017
Eythor Rafn Thorhallsson, Guðmundur Úlfar Gíslason, Guðni Jónsson, Jónas Th. Snaebjörnsson: Basalt fiber reinforced precast concrete panels-an alternative concept. XXIII Nordic Concrete Research Symposium, Aalborg; 08/2017.
Cristina-Maria Povian, Rares Halbac-Cotoara-Zamfir, Klára Nečadová, Eythór Rafn Thórhallsson. Green facade a solution for better environment for urban areas. Green Design and Sustainable Architecture. 17th International Multidisciplinary Scientific GeoConference SGEM 2017
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
Iveta Nováková, Eythor Thorhallsson, Ólafur Wallevik, Lenka Bodnárová: INFLUENCE OF POROSITY OF BASALT AGGREGATES ON FIRE RESISTANCE AND FREEZE-THAW DURABILITY OF FIBRE REINFORCED CONCRETE. The Eleventh High Performance Concrete (11th HPC), Tromsø, Norway; 03/2017
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.
2016
Journal papers
Etienne Cheynet, Jasna Bogunovic Jakobsen and Jonas Snæbjörnsson: Buffeting response of a suspension bridge in complex terrain. Accepted for publication in Journal of Engineering Structures. http://dx.doi.org/10.1016/j.engstruct.2016.09.060 0141-0296/© 2016 Published by Elsevier Ltd.
Eythor Rafn Thorhallsson, Gudmundur Ingi Hinriksson and Jonas Thor Snæbjornsson: Strength and stiffness of glulam beams reinforced with glass and basalt fibres. Accepted for publication in Journal of Composites Part B. Ref: JCOMB 4566, http://dx.doi.org/10.1016/j.compositesb.2016.09.074, © 2016 Published by Elsevier Ltd.
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.
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
Conference papers
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.
Eythor R Thorhallsson and Jón Ó Erlendsson. Continuous Basalt Fiber as Reinforcement Material in Polyester Resin. In proceedings of 2nd International conference on Mechanics of Composites, Porto 2016
Submitted articles
Etienne Cheynet, Jasna Bogunovi´c Jakobsen; Jonas 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. Submitted to Experiments in fluids
Etienne Cheynet, Jasna Bogunovic Jakobsen, Jonas Snæbjörnsson, Joachim Reuder, Valerie Kumer, Benny Svardal. Wind characterisation by a pulsed lidar at a bridge site. Submitted to Journal of Wind Engineering & Industrial Aerodynamics
Etienne Cheynet, Jasna Bogunovic Jakobsen, Jonas Snæbjörnsson, Nikolas Angelou, Torben Mikkelsen, Mikael Sjöholm, Benny Svardal. Full-scale observation of the flow downstream of a suspension bridge deck. Submitted Journal of Wind Engineering & Industrial Aerodynamics
Marianne Inman, Eythor Rafn Thorhallsson, Kamal Azrague. A mechanical and environmental assessment of basalt fibre reinforced polymer (BFRP) rebar and steel rebar in concrete beams. Accepted for publication in Energy Procedia
2015
Journal papers
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.
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, to appear in Energy Procedia, ISSN: 1876-6102, Elsevier.876-6102,
Conference papers
Eythor Thorhallsson, Jonas Thor Snaebjornsson (2015), Basalt fibers as new material for reinforcement and confinement of concrete, Proceedings 22nd Czech Concrete Day (2015) ISBN 978-80-87158-35-7, Paper no. 075.
Jonas Thor Snaebjornsson, Eythor Thorhallsson (2015), Dynamic Characteristics of Multi-Story Reinforced Concrete Buildings, Proceedings 22nd Czech Concrete Day (2015) ISBN 978-80-87158-35-7, Paper no. 083.
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.
Submitted articles
Etienne Cheynet, Jasna Bogunovic Jakobsen, Jonas Snæbjörnsson, Joachim Reuder, Benny Svardal, Valerie Kumer, Wind characterisation by a long-range pulsed lidar at a bridge site, Submitted to Journal of Wind Engineering & Industrial Aerodynamics in September 2015.
Etienne Cheynet, Jasna Bogunovic Jakobsen, Jonas Snæbjörnsson, Buffeting response of a suspension bridge in complex terrain, Submitted to Engineering Structures in September 2015.
Fjóla G. Sigtryggsdóttir, Jónas Thór Snæbjörnsson, Lars Grande, Ragnar Sigbjörnsson, Development of a multivariate linear regression model for dam settlement prediction and structural health assessment, Submitted to Acta Geotechnica (AGEO-D-15-00149) in May 2015, currently under Review.
2014 & Before
2014
Jónas Þór Snæbjörnsson (2014) Monitoring and analysis of wind and earthquake response of three multi-story RC buildings, EURODYN 2014 - 9th International Conf. on Structural Dynamics, 30 June–2 July 2014, Porto, Portugal
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.
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.
Fjóla Sigtryggsdóttir, Jónas Snæbjörnsson, Pétur Ingólfsson, Ragnar Sigbjörnsson (2014) Geohazard assessment and monitoring for the Kárahnjúkar Hydropower Project main reservoir and dams - A Case study from Iceland, submitted to Engineering Geology.
Fjóla Gudrún Sigtryggsdóttir, Jónas Th. Snæbjörnsson, Lars Grande, Ragnar Sigbjörnsson (2014) Geohazards interrelation and multidisciplinary monitoring for safety and sustainability of reservoirs and dams, NHAZ-D-14-00252, submitted to Natural Hazards.
Fjóla G. Sigtryggsdóttir, Jónas Th. Snæbjörnsson, Lars Grande, Ragnar Sigbjörnsson (2014) Interrelations in multi-source geohazard monitoring for safety management of infrastructure systems, NSIE-2014-0205.R1, submitted to Structure and Infrastructure Engineering.
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.
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.
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.
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.
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.
Eythor Thorhallsson, Andri Gunnarsson, Jonas Thor Snaebjornsson: SIMULATION OF EXPERIMENTAL RESEARCH OF CONCRETE BEAMS PRESTRESSED WITH BFRP TENDONS. Nordic Concrete Research Symposium, Reykjavik, Iceland; 08/2014
Eythor Thorhallsson, Sigurdur Runar Birgisson: SHEAR STRENGTH OF CONCRETE BEAMS WITHOUT SHEAR REINFORCEMENT. Nordic Concrete Research Symposium, Reykjavik, Iceland; 08/2014
Sveinbjorn Sveinbjornsson, Þórdís Björnsdóttir, Guðbjartur Jón Einarsson, Eythor Thorhallsson: ELASTIC MODULUS OF CONCRETE WITH ICELANDIC BASALT AGGREGATES. Nordic Concrete Research Symposium, Reykjavik, Iceland; 08/2014
Eythor Thorhallsson, Jon Olafur Erlendsson, Guðmundur T Bergsson: Composite lighting poles from basalt fibers. Conference: 1st International Conference on Mechanics of Composites, At Stony Brook University, Long Island, USA
2013
Eythor Thorhallsson, Jón Ólafur Erlendsson, Ögmundur Erlendsson: Basalt fiber introduction. NordMin Information Day and Brokerage Event, Copenhagen; 11/2013
Thorhallsson E. R; Konráðsson A. (2013) Renovation of concrete columns by wrapping basalt fiber sheets. Proceedings of the IBASE conference Rotterdam
Thorhallsson E. R, Gudmundsson, S.H (2013) Test of prestressed basalt FRP concrete beams with and without external stirrups. In proceedings of Fib symposium Engineering a Concrete future: Technology, modelling & Construction.
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).
Gardarsson SM, Sigtryggsdottir FG, Palmason PR, Ingolfsson P, Measures in the Hafrahvammagljufur Canyon to Limit Scour due to Operation of the Kárahnjúkar Dam Spillway; ICOLD 2013, Seattle
Sigtryggsdottir FG, Snæbjörnsson JTh, Ingolfsson P, Sigbjörnsson R (2013) 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 (2013) 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 (2013) Results from the monitoring of geohazards since the impounding of the Hálslón reservoir, ICOLD 2013 International Symposium, Seattle WA, USA. (pp. 10)
Sigtryggsdóttir FG, Grande L, Sigbjörnsson R, Evaluation of the Kárahnjúkar Dam Settlement Behaviour using Monitoring Data, ICOLD 2013 International Symposium, Seattle WA, USA. (pp. 10)
Jonas Thor Snæbjörnsson & Einar Thor Ingolfsson (2013) Full-Scale Monitoring of the Dynamic Behaviour 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, Cambridge, UK (pp. 8).
Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson, Benedikt Halldórsson (2013). Hröðunarmælingar. Náttúruvá á Íslandi: Eldgos og jarðskjálftar. Viðlagatrygging Íslands/Háskólaútgáfan (ritstjórar: Júlíus Sólnes, Freysteinn Sigmundsson, Bjarni Bessason), 2013b bls. 533-536 (in Icelandic).
Kristín Vogfjörd, Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson (2013). Suðurlandsskjálftarnir 2000. Náttúruvá á Íslandi: Eldgos og jarðskjálftar. Viðlagatrygging Íslands/Háskólaútgáfan (ritstjórar: Júlíus Sólnes, Freysteinn Sigmundsson, Bjarni Bessason), 2013, bls. 611-627 (in Icelandic).
Kristín Vogfjörd, Ragnar Sigbjörnsson, Jónas Þór Snæbjörnsson, Benedikt Halldórsson (2013). Suðurlandsskjálftarnir 2008. Náttúruvá á Íslandi: Eldgos og jarðskjálftar. Viðlagatrygging Íslands/Háskólaútgáfan (ritstjórar: Júlíus Sólnes, Freysteinn Sigmundsson, Bjarni Bessason), 2013, bls. 628-633 (in Icelandic).
S. U. Sigurdsson, R. Rupakhety, R. Sigbjörnsson, J. T. Snæbjörnsson, E. R. Thorhallsson, F. G. Sigtryggsdottir (2013) Concrete shear wall buildings founded on gravel cushions, International Conference SE-EEE 1963-2013, 50 Years of Skopje Earthquake, 50 Years of European Earthquake Engineering, Skopje, Macedonia, May 2013.
R. Sigbjörnsson, R. Rupakhety, B. Halldorsson, J. T. Snæbjörnsson, S. Ólafsson (2013). The May 2008 Ölfus Earthquake in South Iceland: Modelling incoherence of strong ground motion, International Conference SE-EEE 1963-2013, 50 Years of Skopje Earthquake, 50 Years of European Earthquake Engineering, Skopje, Macedonia, May 2013.
2012
Thorhallsson E.R.; Bjarnason P. (2012). Test of rectangular confined concrete columns for strength and ductility. 15 WCEE, World Conference of Earthquake Engineering LISBOA
Thorhallsson E.R.,Jonsson B, S.(2012), Test of prestressed concrete beams with BFRP tendons. CICE, ROME
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. Proc. of the 15th World Conf. on Earthquake Engineering (15WCEE), Lisbon, Portugal.
F.G. Sigtryggsdottir, J.Th. Snæbjörnsson & P.R. Palmason (2012) On the Seismic Design History and Analysis of the Desjararstifla dam in Iceland. Proceedings of the 15th World Conference on Earthquake Engineering (15WCEE), Sept 24-29, Lisbon, Portugal.
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)
2011
Jónas Thór Snæbjörnssona, Ragnar Sigbjörnsson (2011),The dynamic behaviour of medium rise RC buildings in a windy environment, In Proceedings of the 13th International Conference on Wind Engineering (ICWE13), Amsterdam 10.-15. Juli (8pp).
Jonas Thor Snæbjornsson, Knut Inge Edvardsen, Jasna Bogunovic Jakobsen, Bjarni Bessason (2011), Numerical analysis of vortex shedding of a light mast , In Proceedings of the 13th International Conference on Wind Engineering (ICWE13), Amsterdam 10.-15. Juli (8pp).
Thorhallsson E.R.; Bjarnason P. (2011). Test of retangular confined concrete columns for strength and ductility. fib Symposium PRAGUE 2011
Thorhallsson E.R.,Konráðsson A., Kubens S.(2011), Strengthening of concrete columns by wrapping basalt fiber matrix. Nordic Concrete Research Symposium 2011
Test of Retangular Confined Concrete Columns for strength and ductility
Authors: Eythor Thorhallsson and Pall Bjarnason. The paper on pdf.
Concrete Cylinders Confined with Basalt Fibre Reinforced Polymer
Authors: Eythor Thorhallsson, Arngrímur Konráðsson and Stefan Kubens. The paper on pdf.
2010
Analysis of Concrete Walls under Earthquake Action Influence from different types of Foundation.
Authors: Eythor Thorhallsson and Helgi Olafsson. The paper on pdf.
Thorhallsson E.R., Rikhardsson I.S., Olafsson A. M., Olafsson H. S. (2010). Analysis of a squat concrete wall, difference in translation during seismic excitation due to foundation support. , 9th US National/10th Canadian Conference on Earthquake Engineering
Thorhallsson E.R, Ólafsson H. (2010) Analysis of Concrete walls under Earthquake Action. Influence from different types of Foundation, 14 European Conference of Earthquake Engineering
2009
Analysis of a squat concrete wall, difference in translation during seismic exitation due to foundation support.
Authors: Eythor Thorhallson, Indridi Rikhardsson, Adalsteinn Olafsson and Helgi Olafsson. The paper on pdf.
