【摘要】 根据煤矿采动区特有的开采沉陷变形、地震耦合效应和采动区复杂特殊的地质环境条件,从采动损害与震害耦合角度深入分析建筑物灾变过程的演化机制,基于地震工程学和开采沉陷学的原理,建立煤矿采动损害与震害的耦合作用模型和建筑物的运动方程,量化分析了采动区开采沉陷变形和地震对建筑物的损害程度.结果表明:在煤矿采动附加应力作用下,建筑物会产生不同程度的次生损伤;在地震作用下,建筑物的损伤会逐渐积累演化,由此严重威胁到建筑物的整体安全性.更多还原

【Abstract】 An in-depth analysis of the evolutionary mechanism of catastrophic building failure was conducted by considering the coupled effect of mining subsidence and earthquake in the complex special geological environmental conditions.Based on earthquake engineering and mining subsidence study,the coupling effect model of mining subsidence and earthquake and the motion equation of buildings have been established to allow quantitative analysis of the degree of damage caused by mining subsidence and earthquake.The results show that the seismic dynamic response is obviously different and the different levels of secondary damage of buildings can be produced due to the additional stress caused by mining.Due to seismic loading,the evolution of damage to the buildings will be accumulated gradually,posing a serious threat to the integrity of the entire building.更多还原