Seismic response analysis of continuous rigid frame bridge considering canyon topography effects under incident SV waves |
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Authors: | Guoliang Zhou Xiaojun Li Xingjun Qi |
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Affiliation: | [1]Institute of Engineering Mechanics, China Earthquake Administration, Harbin 150080, China [2]School of Civil Engineering, Shandong Jianzhu University, Ji'nan 250101, China |
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Abstract: | To evaluate the importance of the canyon topography effects on large structures, based on a rigid frame bridge across a 137-m-deep and 600-m-wide canyon, the seismic response of the canyon site is analyzed using a two-dimensional finite element model under different seismic SV waves with the assumptions of vertical incidence and oblique incidence to obtain the ground motions, which are used as the excitation input on the pier foundations of the bridge with improved large mass method. The results indicate th... |
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Keywords: | rigid frame bridge canyon topography effect multi-support excitation improved large-mass method seismic response |
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