Abstract
Damage caused by devastating earthquakes has occurred in many developing countries. In order to mitigate such damage by promoting the study of adequate seismic design strategies, the authors conducted a dynamic collapse test on 3 m × 3 m × 3 m brick masonry house constructed with Pakistani bricks, using a one-direction horizontal large-scale shaking table. In order to analyze and simulate seismic performance of the masonry structures, the authors applied a new numerical simulating method based on the Extended Distinct Element Method (EDEM) and conducted collapse simulations of the brick masonry house behavior during the shaking table tests. In the numerical simulation model, bricks were assumed to be rigid bodies, and mortar was modeled using a mortar spring that consists of a normal spring and a shear spring. The parameters of each mortar spring were defined based on the results of material tests. Simulated results showed various collapsing processes, and the simulated aspects were found to be similar to the results of the shaking table tests.
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Nakagawa, T., Narafu, T., Imai, H. et al. Collapse behavior of a brick masonry house using a shaking table and numerical simulation based on the extended distinct element method. Bull Earthquake Eng 10, 269–283 (2012). https://doi.org/10.1007/s10518-011-9288-9
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DOI: https://doi.org/10.1007/s10518-011-9288-9