Dynamic effects of surface fault rupture interaction with structures |
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| Institution: | 1. AECOM, Wakefield, MA 01880, United States;2. Department of Civil and Environmental Engineering, University of California, Berkeley, CA 94702-1710, United States;3. Department of Earth and Planetary Science, University of California, Berkeley, CA 94702-4767, United States;1. Department of Civil Engineering, Nagoya University, Nagoya, Japan;2. International Research Institute of Disaster Science Laboratory of Regional Safety Engineering, Tohoku University, Tohoku, Japan;3. Department of Civil Engineering, Gifu University, Gifu, Japan;1. School of Civil and Environmental Engineering, Nanyang Technological University, Singapore 639798, Singapore;2. Department of Civil and Environmental Engineering, University of California, Los Angeles, CA 90095, USA;1. School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran;2. Center of Excellence for Fundamental Studies in Structural Engineering, School of Civil Engineering, Iran University of Science and Technology, Tehran, Iran |
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| Abstract: | Surface fault rupture has caused significant damage to structures in several earthquakes. The propagation of the bedrock fault rupture through the overlying soil deposit has been studied by several researchers; however, the effects of fault rupture dynamics, as opposed to pseudostatic fault movement, have not yet been evaluated. There is the potential for dynamic effects to influence significantly structural damage due to the rapid rate of deformation imposed by surface fault rupture. Numerical simulations are performed to analyze the effects of the rate of fault rupture on dip-slip surface fault rupture for free-field and soil-structure interaction conditions. The numerical results indicate that in some limited scenarios, fault rupture dynamics can influence the amount of structural damage expected for a structure located near a fault. However, in most scenarios, fault rupture dynamics is expected to play a secondary role compared to fault, soil, and structural characteristics in evaluating building performance. |
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| Keywords: | Earthquakes Numerical analysis Surface fault rupture Soil-structure interaction Fling-step |
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