Seismic Base Shear Modification Factors for Timber-Steel Hybrid Structure: Collapse Risk Assessment Approach
Publication: Journal of Structural Engineering
Volume 143, Issue 10
Abstract
In this paper, to supplement the Canadian building code for a timber-steel hybrid structure, over-strength, and ductility-related force modification factors are developed and validated using a collapse risk assessment approach. The hybrid structure incorporates cross-laminated timber (CLT) infill walls within steel moment resisting frames. Following the FEMA P695 procedure, archetype buildings of 3-story, 6-story, and 9-story height with middle bay infilled with CLT were developed. Subsequently, a nonlinear static pushover analysis was performed to quantify the actual over-strength factors of the hybrid archetype buildings. To check the FEMA P695 acceptable collapse probabilities and adjusted collapse margin ratios (ACMRs), incremental dynamic analysis was carried out using 60 ground motion records that were selected to regional seismic hazard characteristics in southwestern British Columbia, Canada. Considering the total system uncertainty, comparison of the calculated ACMRs with the FEMA P695 requirement indicates the acceptability of the proposed over-strength and ductility factors.
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Acknowledgments
Funding for this research was provided by the British Columbia Forestry Innovation Investment’s (FII) Wood First Program and the Natural Science Engineering Research Council of Canada Discovery Grant (RGPIN-2014-05013).
References
ASCE. (2006). “Seismic rehabilitation of existing buildings.” ASCE 41-06, Reston, VA.
ASTM. (2009). “Standard test methods for cyclic (reversed) load test for shear resistance of vertical elements of the lateral load resisting systems for buildings.” ASTM E2126, West Conshohocken, PA.
Atkinson, G. M., and Goda, K. (2011). “Effects of seismicity models and new ground motion prediction equations on seismic hazard assessment for four Canadian cities.” Bull. Seismol. Soc. Am., 101(1), 176–189.
Baker, J. W. (2015). “Efficient analytical fragility function fitting using dynamic structural analysis.” Earthquake Spectra, 31(1), 579–599.
Bezabeh, M. (2014). “Lateral behaviour and direct displacement based design of a novel hybrid structure: Cross laminated timber infilled steel moment resisting frames.” M.S. thesis, School of Engineering, Univ. of British Columbia, Kelowna, Canada.
Bezabeh, M. A., Tesfamariam, S., Stiemer, S. F., Popovski, M., and Karacabeyli, E. (2016). “Direct displacement-based design of a novel hybrid structure: Steel moment-resisting frames with cross-laminated timber infill walls.” Earthquake Spectra, 32(3), 1565–1585.
Ceccotti, A., Sandhaas, C., Okabe, M., Yasumura, M., Minowa, C., and Kawai, N. (2013). “SOFIE project—3D shaking table test on a seven storey full-scale cross-laminated building.” Earthquake Eng. Struct. Dyn., 42(13), 2003–2021.
CSA (Canadian Standards Association). (2009). “Engineering design in wood.” CSA O86–01, Corporate Head Office, Toronto.
Dickof, C. (2013). “CLT infill panels in steel moment resisting frames as a hybrid seismic force resisting system.” M.S. thesis, Univ. of British Columbia, Kelowna, Canada.
Dickof, C., Stiemer, S., Bezabeh, M., and Tesfamariam, S. (2014). “CLT–steel hybrid system: Ductility and overstrength values based on static pushover analysis.” J. Perform. Constr. Facil., A4014012.
FEMA. (2000). “Pre-standard and commentary for the seismic rehabilitation of buildings.” FEMA 356, ASCE, Reston, VA.
FEMA. (2009). “Quantification of building seismic performance factors.”, Applied Technology Council, Redwood City, CA.
Flatscher, G., Bratulic, K., and Schickhofer, G. (2014). “Screwed joints in cross laminated timber structures.” Proc., 13th World Conf. on Timber Engineering, Quebec City.
Fragiacomo, M., Dujic, B., and Sustersic, I. (2011). “Elastic and ductile design of multi-storey crosslam massive wooden buildings under seismic actions.” Eng. Struct., 33(11), 3043–3053.
Fragiacomo, M., and van de Lindt, J. (2016). “Special issue on seismic resistant timber structures.” J. Struct. Eng., E2016001.
Gagnon, S., and Pirvu, C. (2011). Cross laminated timber handbook, FPInnovations, Vancouver, Canada.
Goda, K., and Atkinson, G. M. (2011). “Seismic performance of wood-frame houses in south-western British Columbia.” Earthquake Eng. Struct. Dyn., 40(8), 903–924.
Goda, K., and Taylor, C. A. (2012). “Effects of aftershocks on peak ductility demand due to strong ground motion records from shallow crustal earthquakes.” Earthquake Eng. Struct. Dyn., 41(15), 2311–2330.
Goda, K., Wenzel, F., and De Risi, R. (2015). “Empirical assessment of non-linear seismic demand of mainshock–aftershock ground-motion sequences for Japanese earthquakes.” Front. Built Environ., 1, 6.
Hervé Poh’sié, G., Chisari, C., Rinaldin, G., Fragiacomo, M., Amadio, C., and Ceccotti, A. (2015). “Application of a translational tuned mass damper designed by means of genetic algorithms on a multistory cross-laminated timber building.” J. Struct. Eng., E4015008.
Lignos, D. G., and Krawinkler, H. (2010). “Deterioration modeling of steel components in support of collapse prediction of steel moment frames under earthquake loading.” J. Struct. Eng., 1291–1302.
Mitchell, D., Tremblay, R., Karacabeyli, E., Paultre, P., Saatcioglu, M., and Anderson, D. L. (2003). “Seismic force modification factors for the proposed 2005 edition of the national building code of Canada.” Can. J. Civil Eng., 30(2), 308–327.
NRCC (National Research Council of Canada). (2010). National building code of Canada, Associate Committee on the National Building Code, Ottawa.
OpenSees [Computer software]. Pacific Earthquake Engineering Research Center, Univ. of California, Berkeley, CA.
Pei, S., et al. (2014). “Cross-laminated timber for seismic regions: Progress and challenges for research and implementation.” J. Struct. Eng., E2514001.
Pei, S., Popovski, M., and van de Lindt, J. W. (2013). “Analytical study on seismic force modification factors for cross-laminated timber buildings.” Can. J. Civ. Eng., 40(9), 887–896.
Popovski, M., and Gavric, I. (2015). “Performance of a 2-story CLT house subjected to lateral loads.” J. Struct. Eng., E4015006.
Popovski, M., and Karacabeyli, E. (2012). “Seismic behaviour of cross-laminated timber structures.” Proc., 12th World Conf. on Timber Engineering, Curran Associates, Inc., Red Hook, NY.
Popovski, M., Schneider, J., and Schweinsteiger, M. (2010). “Lateral load resistance of cross-laminated wood panels.” Proc., 11th World Conf. on Timber Engineering, Curran Associates, Inc., Red Hook, NY.
Pozza, L., and Scotta, R. (2014). “Influence of wall assembly on behaviour of cross-laminated timber buildings.” Proc. ICE Struct. Build., 168(4), 275–286.
Rinaldin, G., Amadio, C., and Fragiacomo, M. (2013). “A component approach for the hysteretic behaviour of connections in cross-laminated wooden structures.” Earthquake Eng. Struct. Dyn., 42(13), 2023–2042.
Schneider, J., Karacabeyli, E., Popovski, M., Stiemer, S., and Tesfamariam, S. (2014). “Damage assessment of connections used in cross-laminated timber subject to cyclic loads.” J. Perform. Constr. Facil., A4014008.
Shen, Y. L., Schneider, J., Tesfamariam, S., Stiemer, S. F., and Mu, Z. G. (2013). “Hysteresis behavior of bracket connection in cross-laminated timber shear walls.” Constr. Build. Mater., 48, 980–991.
Stiemer, F., Dickof, C., and Tesfamariam, S. (2012a). “Timber-steel hybrid systems: Seismic overstrength and ductility factors.” Proc., 10th Int. Conf. on Advances in Steel Concrete Composite and Hybrid Structures, National Univ. of Singapore, Singapore, 2–4.
Stiemer, S., Tesfamariam, S., Karacabeyli, E., and Propovski, M. (2012b). “Development of steel-wood hybrid systems for buildings under dynamic loads.”, Behaviour of Steel Structures in Seismic Areas, Santiago, Chile.
Tesfamariam, S., Bezabeh, M. A., and Stiemer, S. F. (2014a). “Drift demands of CLT infilled steel moment frames multiobjective optimization using genetic algorithm.” 7th European Conf. of Steel and Composite Structures (EUROSTEEL 2014), Univ. of Napoli Federico II, Naples, Italy.
Tesfamariam, S., Stiemer, S. F., Bezabeh, M., Goertz, C., Popovski, M., and Goda, K. (2015). Force based design guideline for timber-steel hybrid structures: Steel moment resisting frames with CLT infill walls, FPInnovations, Vancouver, Canada.
Tesfamariam, S., Stiemer, S. F., Dickof, C., and Bezabeh, M. A. (2014c). “Seismic vulnerability assessment of hybrid steel-timber structure: Steel moment resisting frames with CLT infill.” J. Earthquake Eng., 18(6), 929–944.
Vamvatsikos, D., and Cornell, C. A. (2002). “Incremental dynamic analysis.” Earthquake Eng. Struct. Dyn., 31(3), 491–514.
Yasumura, M., Kobayashi, K., Okabe, M., Miyake, T., and Matsumoto, K. (2015). “Full-scale tests and numerical analysis of low-rise CLT structures under lateral loading.” J. Struct. Eng., E4015007.
Zhang, X., Fairhurst, M., and Tannert, T. (2015). “Ductility estimation for a novel timber-steel hybrid system.” J. Struct. Eng., E4015001.
Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 143 • Issue 10 • October 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Jun 7, 2016
Accepted: Apr 18, 2017
Published online: Jul 26, 2017
Published in print: Oct 1, 2017
Discussion open until: Dec 26, 2017
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