Abstract
A time-domain method for the analysis of arch dam-foundation rock dynamic interaction during earthquake was proposed, and the dynamic relaxation technique was adopted to obtain the initial static response for dynamic analysis by [Du et al. (2005). The paper has been contributed to Bulletin of earthquake engineering]. In this paper, a nonlinear explicit method in time domain considering the opening and closing effect of contact joints on arch dam during earthquake is further proposed by introducing the dynamic contact force model into the method. The simulation accuracy of dynamic contact force model is verified by comparing its calculation result and test result of scale model on shaking table. Finally, the influence of joints on the seismic response of Xiaowan arch dam is studied by the proposed method and some conclusions are given.
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Du, X., Tu, J. Nonlinear seismic response analysis of arch dam-foundation systems- part II opening and closing contact joints. Bull Earthquake Eng 5, 121–133 (2007). https://doi.org/10.1007/s10518-006-9013-2
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DOI: https://doi.org/10.1007/s10518-006-9013-2