水利学报Issue(6)：723-731,9.DOI:10.13243/j.cnki.slxb.20140908
水下爆炸冲击荷载下混凝土重力坝的破坏效应
Damage effects of concrete gravity dams subjected to underwater explosion
摘要
Abstract
An underwater explosion can cause significantly more damage to the dam than the same amount of explosive in air. Hence,attention should be paid to the damage mechanism of concrete gravity dams sub⁃jected to underwater explosion. The strain rate effect of concrete material under blast load, shock wave-structure interaction and structural response are taken into consideration in the establishment of gravi⁃ty dam fully coupled model based on the combined Lagrangian and Eulerian methods. The shock wave prop⁃agation characteristics of underwater explosion near the dam are investigated. The failure process and dam⁃age mechanism of concrete gravity dams subjected to underwater explosion are obtained. The results show that the main failure modes of concrete gravity dams subjected to underwater explosion include the crushing damage,cavitation damage,spalling failure,punching failure,bending failure,tension failure.关键词
混凝土重力坝/毁伤机理/水下爆炸/毁伤模式/冲击波传播Key words
concrete gravity dam/damage mechanism/underwater explosion/damage mode/shock wave propagation分类
建筑与水利引用本文复制引用
王高辉,张社荣,卢文波,周创兵..水下爆炸冲击荷载下混凝土重力坝的破坏效应[J].水利学报,2015,(6):723-731,9.基金项目
国家自然科学基金资助项目（51125037）；中央高校基本科研业务费专项资金项目 （）
