Description
This book evaluates the seismic performance of concrete gravity dams, considering the effects of strong motion duration, mainshock-aftershock seismic sequence, and near-fault ground motion. It employs both the extended finite element method (XFEM) and concrete damaged plasticity (CDP) models to characterize the mechanical behavior of concrete gravity dams under strong ground motions, including the dam-reservoir-foundation interaction. In addition, it discusses the effects of the initial crack, earthquake direction, and cross-stream seismic excitation on the nonlinear dynamic response to strong ground motions, and on the damage-cracking risk of concrete gravity dams.
This book provides a theoretical basis for the seismic performance evaluation of high dams, and can also be used as a reference resource for researchers and graduate students engaged in the seismic design of high dams.
Table of Contents
Introduction.- Comparative analysis of nonlinear seismic response of concrete gravity dams using XFEM and CDP model.- Seismic cracking analysis of concrete gravity dams with initial cracks using XFEM.- Seismic potential failure mode analysis of concrete gravity dam–water–foundation systems through incremental dynamic analysis.- Correlation between single component durations and damage measures of concrete gravity dams.- Integrated duration effects on seismic performance of concrete gravity dams.- Damage demand assessment of concrete gravity dams subjected to mainshock-aftershock seismic sequences.- Earthquake direction effects on nonlinear dynamic response of concrete gravity dams to seismic sequences.- Seismic performance evaluation of dam-reservoir-foundation systems to near-fault ground motions.- Deterministic 3D seismic damage analysis of Guandi concrete gravity dam: A case study.
