Abstract
Considering the influence of dynamic interaction between soil and structure, a finite element analysis model of nonlinear dynamic interaction of hinge type slope is established. Then, numerical simulation towards its seismic response has been carried out. Analysis on stress, acceleration and response characteristics of relative horizontal displacement under different seismic oscillation are conducted. Whose results represent that when at the same intensity and spectrum of earthquake motion, the maximum dynamic stress in the middle and upper part of slope is larger while the acceleration and horizontal displacement of the top and bottom is higher. If under earthquake motion with the same intensity and different spectrum, the dynamic response of slope under Loma Prieta wave is larger than that under Kobe wave. Considering the seismic response characteristics of slope, its top and bottom are weak areas. Therefore, attention should be paid to these places in seismic design, same emphasis should also be given to the middle and middle-upper part.
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