Seismic performance assessment of arch dams using incremental nonlinear dynamic analysis
作者： Jianwen Pan , Yanjie Xu , Feng Jin
DOI: 10.1080/19648189.2014.960950
关键词: Seismic analysis 、 Radiation damping 、 Geotechnical engineering 、 Engineering 、 Arch 、 Incremental Dynamic Analysis 、 Cracking 、 Peak ground acceleration 、 Serviceability (structure) 、 Structural engineering 、 Arch dam
摘要: In this paper, an approximately incremental dynamic analysis (IDA) is presented for seismic performance assessment of arch dams. The nonlinear dams involves the effects contraction joint opening, cracking concrete and foundation radiation damping. Three damage measures, i.e. maximum depth on dam–foundation interface extent in upper portion dam, associated with IDA curves are suggested to identify levels Dagangshan dam (210 m high) under construction China used as case study. Although there slight during earthquake peak ground acceleration (PGA) up .30 g, exhibits nearly linear behaviour joints closing can be considered have serviceability performance. suffers severe portion, it repairabl...
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