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Date:2022-08-29

Indexed by:Journal Article

Date of Publication:2022-06-30

Journal:地震工程与工程振动

Institution:建设工程学部

Volume:36

Issue:5

Page Number:168-176

ISSN:1000-1301

Abstract:The safety evaluation of earthquake-damaged arch dam is very important
   for the assessment of seismic performance and failure risk after
   earthquake. The nonlinear numerical analysis was performed to study the
   water pressure overloading performance of arch dam damaged by earthquake
   of different intensities. The displacement variation with water pressure
   of earthquake-damage arch dam was discussed and the after-earthquake
   safety was analyzed by proposed damage area ratio and damage volume
   ratio. The results show that: the body configuration and bearing
   mechanism make arch dam possess excellent seismic performance,and the
   water pressure bearing capacity of damaged arch dam after earthquake can
   be guaranteed if the dam can bear the earthquake action. The proposed
   accumulative damage area ratio and volume ratio can reflect not only the
   evolution of seismic performance of arch dam,but also the water pressure
   bearing safety of damaged dam after earthquake and are more suitable as
   indexes of arch dam safety performance.

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