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Numerical Framework For Seismic Collapse Assessment Of Rigid Wall-Flexible Diaphragm Structures, M. Koliou, A. Filiatrault, D.J. Kelly, John W. Lawson
Numerical Framework For Seismic Collapse Assessment Of Rigid Wall-Flexible Diaphragm Structures, M. Koliou, A. Filiatrault, D.J. Kelly, John W. Lawson
John W. Lawson
This study focuses on the development of a two dimensional (2D) simplified numerical framework of rigid wall-flexible diaphragm (RWFD) structures that can be used to validate seismic design approaches. This type of low-rise industrial buildings, which is widely used in North America, incorporates rigid in-plane concrete or masonry walls and flexible in-plane wood, steel or “hybrid” roof diaphragms. The numerical modeling is detailed enough to capture the nonlinear seismic response of RWFD buildings, but simplified enough to efficiently conduct a large number of nonlinear time-history dynamic analyses. The 2D numerical modeling framework is based on a three step sub-structuring approach …