Topias Siren, Publications

Publications, CV

Peer reviewed publications

Uotinen, L., Siren, T.. 2017. Elastoplastic Modelling of an In Situ Concrete Spalling Experiment Using the Ottosen Failure Criterion.Journal of Engineering 2017(1524–1530):1-16 DOI: 10.1155/2017/4723017

Shen, B., Shi, J., Rinne, M., Siren, T., Suikkanen, J., Kwon, S., Min, K.B. 2016. Two-dimensional displacement discontinuity method for transversely isotropic materials. International Journal of Rock Mechanics and Mining Sciences, 2016;83;218–230. DOI 10.1016/j.ijrmms.2016.01.012

Siren, T. 2015. Excavation damage zones, fracture mechanics simulation and in situ strength of migmatitic gneiss and pegmatitic granite at the nuclear waste disposal site in Olkiluoto, Western Finland. Dissertation thesis. Aalto University. ISBN 978-952-60-6517-5.

Siren, T., Rinne, M., Kantia, P. 2015. Considerations and observations of stress-induced and construction-induced excavation damage zone in crystalline rock. International Journal of Rock Mechanics and Mining Sciences, 2015;73;165-174. DOI: 10.1016/j.ijrmms.2014.11.001

Siren, T., Hakala, M., Valli, J., Kantia, P., Hudson, J.A., Johansson, E. 2015. In situ strength and failure mechanisms of migmatitic gneiss and pegma-titic granite at the nuclear waste disposal site in Olkiluoto, Western Finland. International Journal of Rock Mechanics and Mining Sciences, 2015;79;135-148. DOI 10.1016/j.ijrmms.2015.08.012

Siren, T., Uotinen, L., Rinne, M., Shen, B. 2014. Fracture mechanics modelling of an in situ concrete spalling experiment. Rock Mechanics and Rock Engineering, 2014;48;1423–1438. DOI 10.1007/s00603-014-0646-1

Shen, B., Siren, T., & Rinne, M. 2015. Modelling fracture propagation in anisotropic rock mass. Rock Mechanics and Rock Engineering, 2015;48;1067–1081. DOI 10.1007/s00603-014-0621-x

Siren, T., & Suikkanen, J. 2015. Borehole thermal spalling experiment. (Manuscript under writing)

Research Reports

Hakala, M., Siren, T., Ström, J., Valli, J., Hakala, V., Heine, J., Sireni, S., Kemppainen, K., Savunen, J. 2017. In Situ Stress Measurements in ONKALO with LVDT – Cell. POSIVA report 2016-20. Posiva Oy.

Siren, T., Hakala, M., Valli, J., Christiansson, R., Mas Ivars, D., Lam, T., Mattila, J., Suikkanen, J. 2017. Parametrisation of Fractures – Final Report. POSIVA report 2017-1. Posiva Oy.

Siren, T. 2015. ONKALO In Situ Concrete Spalling Experiment – Fracture Mechanics Prediction. Working Report 2013-48. Posiva Oy.

Siren, T. 2015. ONKALO POSE Experiment – Phase 3: FRACOD2D Prediction. Working Report 2012-59. Posiva Oy.

Mattila, J., Siren, T., Koittola, N., Hultgren, P., Christiansson, R., Valli, J., Kantia, P. 2015. Parametrisation of Fractures – Characterisation of Potential Target Structures. Working Report 2015-26. Posiva Oy.

Johansson, E., Hakala, M., Siren, T., Saari, J., Malm, M. 2015. Measured Rock Responses in the ONKALO – Underground Rock Characterization Facility. Working Report 2015-20. Posiva Oy.

Eloranta, P., Siren, T. 2015. Uniaxial Compressive Strength Test Results of ONKALO Borehole ONK-PP68. Working Report 2015-29. Posiva.

Valli, J., Hakala, M., Wanne, T., Siren, T., Suikkanen, J. 2015. ONKALO POSE Experiment – POSE Back Analyses Plan. Working Report 2015-22. Posiva.

Eloranta, P., Siren, T. 2015. ONKALO POSE Experiment – Uniaxial Compressive Strength Testing Results: Drill Core Samples from the Experimental Area. Working Report 2015-10. Posiva.

Hakala, M., Ström, J., Nujiten, G., Uotinen, L., Siren, T., Suikkanen, J. 2014. Thermally Induced Rock Stress Increment and Rock Reinforcement Response. Working Report 2014-32. Posiva.

Hakala, M., Siren, T., Kemppainen, K., Christiansson, R., Martin, C.D. 2014. In situ stress measurement with LVDT-cell – method description and verification. Posiva Report 2012-43. Posiva.

Valli, J., Hakala, M., Wanne, T., Kantia, P., Siren, T. 2014. ONKALO POSE experiment – Phase 3: Execution and monitoring. Working report 2013-41. Posiva.

Johansson, E., Siren, T., Hakala, M., Kantia, P. 2014. ONKALO POSE experiment – Phase 1 & 2: Execution and monitoring. Working report 2012-60. Posiva.

Johansson, E. (ed.) & Siren, T. 2014. Results of Monitoring at Olkiluoto in 2012 – Rock mechanics. Working report 2013-47. Posiva.

Alterio, I. (ed.) & Siren, T. 2013. Results of Monitoring at Olkiluoto in 2011 – Rock mechanics. Working report 2012-47. Posiva.

Lahti, M. (ed.) & Siren, T. 2012. Results of monitoring in Olkiluoto 2010 – Rock mechanics. Working report 2011-35. Posiva.

Siren, T. 2012. Fracture Toughness Properties of Rocks in Olkiluoto: Laboratory Measurements 2008-2009. Posiva Oy, Working Report 2012-25.

Siren, T., Martinelli, D. & Uotinen, L. 2011. Assessment of the Potential for Rock Spalling in the Technical Rooms of the ONKALO. Working report 2011-35. Posiva.

Siren, T. 2011. Fracture Mechanics Prediction for Posiva’s Olkiluoto Spalling Experiment (POSE). Working report 2011-23. Posiva.

Conference proceedings

Leith, K., Perras, M., Siren, T., Rantanen, T., Wolter, A., Heinonen, S., Loew. 2017. Development of a new thermally-induced fracture in a 12,000 year old bedrock surface. Progressive rock failure conference, Monte Verità, 5–8 June 2017. (submitted)

Siren, T.. 2017. Subcritical crack growth in complex stress field at the nuclear waste disposal site in Olkiluoto, Western Finland. Progressive rock failure conference, Monte Verità, 5–8 June 2017. (submitted)

Siren, T., Janiszewski, M., Uotinen, Oosterbaan, H. 2017. Modelling of Borehole Solar Energy Storage Concept in High Latitudes. YSRM2017 conference. May 11-13, 2017, Jeju, Korea. Outstanding Oral Presentation award.

Siren, T., Suikkanen, J., Ström, J. 2017. Rock mass failure of foliated rock at the nuclear waste disposal site in Olkiluoto, Western Finland. YSRM2017 conference. May 11-13, 2017, Jeju, Korea.

Leith, K., Perras, M., Siren, T., Rantanen, T., Heinonen, S., Loew, S. 2017. Dynamic fracture development in response to extreme summer. EGU General Assembly 2017. Geophysical Research Abstracts Vol. 19, EGU2017-16387, 2017

Janiszewski, M., Kopaly, A., Honkonen, M., Kukkonen, I., Uotinen, L.,Siren, T. & Rinne, M. 2016. Feasibility of underground seasonal storage of solar heat in Finland. Int Conf on Geomech., Geoen. and Geores, Melbourne, Australia: Monash University, p. 959-965 7 p. 236.

Valli, J., Hakala, M., Siren, T. 2016. Stress-Geology Interaction Modelling At Olkiluoto. 7th International Symposium on In-Situ Rock Stress May 10-12, 2016 Tampere, Finland. Best paper award

Suikkanen, J., Koittola, N., Siren, T. 2016. Methods To Study, Model And Confirm The Existence Of Stress-Induced Excavation Damage Zone. 7th International Symposium on In-Situ Rock Stress May 10-12, 2016 Tampere, Finland. Best young paper runner-up award

Nasseri, M.H.B., Sehizadeh, M., Ye, S.H., Young, R.P., Flynn, J.W., Suikkanen, J., Siren, T. 2016. Strength, Deformation And Seismic Response Of Olkiluoto Migmatitic Gneiss Under Laboratory True-Triaxial Stress. 7th International Symposium on In-Situ Rock Stress May 10-12, 2016 Tampere, Finland.

Ritala, F., Uotinen, L., Siren, T. 2016. Stress State Change Monitoring Using Displacement Change Measurements. 7th International Symposium on In-Situ Rock Stress May 10-12, 2016 Tampere, Finland.

Ström, J., Hakala, M. Suikkanen, J., Siren, T., Uotinen, L., Nuijten, G. 2016. Thermally Induced Rock Stress Increment And Rock Reinforcement Response. 7th International Symposium on In-Situ Rock Stress May 10-12, 2016 Tampere, Finland.

Kodeda, S., Ritala, F., Siren, T., Uotinen L. 2015. Real time stress change estimation using strain measurements. EUROCK 2015 & 64th Geomechanics Colloquium. Salzburg, Austria.

Siren, T., & Suikkanen, J. 2015. Borehole thermal spalling experiment. 13th ISRM International Congress of Rock Mechanics. International Society for Rock Mechanics. Montreal, Canada.

Siren, T., Suikkanen, J., Heikkinen, E., Valli, J., Hakala, M. 2015. Borehole thermal spalling experiment. 13th ISRM International Congress of Rock Mechanics. International Society for Rock Mechanics. Montreal, Canada.

Johansson, E., Siren, T., Kemppainen, K. 2015. ONKALO – Underground Rock Characterization Facility for In-Situ Testing for Nuclear Waste Disposal. 13th ISRM International Congress of Rock Mechanics. International Society for Rock Mechanics. Montreal, Canada.

Uotinen L., Suikkanen J., Siren, T.. 2014. Modified yield-line theory approach to determine sprayed concrete flexural capacity. The 7th international symposium on sprayed concrete. Norway.

Siren T. 2014. Nuclear waste disposal program and application of fracturing Geomechanics. International workshop on Fracturing Geomechanics. Seoul, South Korea.

Majid S., Shakil A.M., Hywel R.T., Daniel P.B., Johansson, E., Siren, T. 2014. Rock thermal behaviour – Analysis of data from a monitoring programme. Third International Conference on Computational Methods for Thermal Problems. Slovenia.

Majid S., Daniel P.B., Shakil A.M., Hywel R.T., Johansson, E., Siren, T. 2014. Temperature Data Analysis from Field Scale Thermal Monitoring. 22nd ACME Conference on Computational Mechanics. UK.

Mattila, J., Siren, T.. 2013. Geological characterisation of thermally induced failures at the site of a potential nuclear waste repository, Olkiluoto, SW Finland.
19th International Conference on Deformation Mechanisms, Rheology and Tectonics, Leuven, Belgium.

Siren, T. 2013. Spatial distribution of elastic properties around vertical shaft in ONKALO URCF and horizontal TBM and D&B tunnels in ÄSPÖ HRL. 7th Nordic Grouting Symposium and 2nd Nordic Rock Mechanics Symposium. Gothenburg.

Siren, T. 2013. Spatial distribution of Young’s modulus, Poisson’s ratio and EDZ around TBM and D&B tunnels in hard crystalline rock. ARMA 2013 Symposium. San Francisco.

Uotinen, L.K.T., Siren, T., Martinelli, D., Hakala, M. 2013. In-situ experiment concerning thermally induced spalling of circular shotcreted shafts in deep crystalline rock. World Tunnel Congress 2013. Geneva. Taylor & Francis London ISBN: 978-1-138-00094-0 eISBN: 978-1-315-88727-

Christiansson, R., Hakala, M., Kemppainen, K., Siren, T., Martin, C.D. 2012. Findings from large scale in-situ experiments to establish the initiation of spalling. EUROCK 2012. Stockholm, Sweden.

Hakala, M., Kemppainen, K., Siren, T., Heine, J., Christiansson, R., Martin, C.D., Koskinen, T. 2012. Experience with a new LVDT-Cell to measure in-situ stress from an existing tunnel. EUROCK 2012. Stockholm, Sweden.

Siren, T., Shen, B., Rinne, M., Kemppainen, K. 2012. Numerical anisotropic fracture mechanics modelling in crystalline rock. In: Qian & Zhou (eds) Harmonising Rock Engineering and the Environment, Taylor & Francis Group, London, pp 535-539. ISBN: 978-0-415-80444-8 eISBN: 978-0-203-13525-

Siren, T., Martinelli, D., Uotinen, L., Nuijten, G., Lehmusjärvi, R. 2011. Numerical spalling assessment methods in crystalline rock during the design of the ONKALO rock characterisation facility. Poster proceeding in World Tunneling Conference 2011. ISBN: 978-951-758-531-6 ISSN: 0356-9403

Uotinen, L., Nuijten, G., Siren, T., Ström, J., Hakala, M., Rinne, M. 2011. Eurocodes in HardRock Engineering in Finland. Poster proceeding in World Tunneling Conference 2011. ISBN: 978-951-758-531-6 ISSN: 0356-9403

Siren, T. 2011. Kuinka kivi särkyy – POSE in situ -koe. Kalliomekaniikan päivä 2011. Finnish National group of ISRM.

Uotinen, L., Siren, T., Lehmusjärvi, R. 2009. Stochastically determined safety of underground structures according to Eurocode. Rock Engineering Seminar 4.-5.11.2009, Finnish Tunneling Association FTA and The Finnish National Group of ISRM. pp.149-158.

Siren, T., Uotinen, L., Ström, J., Lehmusjärvi, R., Rinne, M. 2009. Spalling prediction methods in high stress conditions. Rock Engineering Seminar 4.-5.11.2009, Finnish Tunneling Association FTA and The Finnish National group of ISRM. pp. 207-216.

Siren, T., Kukkonen, I.T. 2006. Three-dimensional visualization of FIRE seismic reflection sections. Lithosphere 2006-4th symposium. Helsinki. p. 179

Siren, T. 2005. Nopon alueen maaperän kolmiulotteinen malli Gocad-ohjelmaa käyttäen (in finnish). Geologian tutkijapäivät, University of Turku. p. 79.

Non academic journals

Siren, T. 2015. Uraanin energiakierron viimeinen vaihe vie takaisin maankamaraan (in finnish). Materia-lehti. Vuorimiesyhdistys Ry. 5-2015 October. (magazine). pp. 28-29.

Siren, T., Martinelli, D., Sjöblom, A., Ström, J. 2010. 3D Finite Element Modelling in Hard Rock with midas GTS. Diana elements – Spring 2010 (magazine). pp. 6-8.

Other

Siren, T. 2008. Design of underground structures – loosening of rock and cave-ins (in finnish). Masters thesis. Helsinki University of Technology.

Adviser on Master’s thesis by Risto Kiuru in 2016. Association analysis of petrophysical and rock mechanical data from ONKAKO EDZ study area in ONK-TKU-3620, Olkiluoto, Finland. Helsinki University.

Adviser on Master’s thesis by Frans Ritala in 2015. 3D stress state change monitoring using displacement measurements. Aalto University.

Adviser on Bachelor’s thesis by Terhi Seppälä in 2016. Kalliotilojen uusiokäyttö lämpöenergian varastointiin Suomessa. Aalto University.

Adviser on Master’s thesis by Noora Koittola in 2014. Geological 3D-model of third investigation niche in ONKALO. Turku University.

Adviser on Master’s thesis by Tuomas Rantanen in 2012. Effect of overcoring induced heat on LVDT stress measurements. Aalto University.

Adviser on Bachelor’s thesis by Jaakko Holopainen in 2015. Kalliorakojen leikkauslujuuden määrittäminen in situ. Aalto University.

Adviser on Bachelor’s thesis by Jussi Rislakki in 2015. Energian maanalainen paineilmavarastointi. Aalto University.

Adviser on Bachelor’s thesis by Tero Könönen in 2015. Fotogrammetristen menetelmien soveltaminen infrarakentamisessa. Aalto University.

Adviser on Bachelor’s thesis by Hanna Lehtonen in 2015. Pohjaveden suolapitoisuuden vaikutus kolloidisen silikan tunkeutumiseen. Aalto University.

Adviser on Bachelor’s thesis by Tuomas S. Rantanen in 2014. Eksfoliaatiorakojen rakomekaaninen 2D-tarkastelu Olkiluodon saarelta. Aalto University.