框架结构建筑物爆破拆除数值分析Numerical Analysis of Explosive Demolition of Frame Structure Building
言志信,朱辉辉,于换小,刘灿,贺香
摘要(Abstract)：
利用ANSYS/LS-DYNA有限元分析软件,采用共节点分离式模型建立11层框架结构建筑物模型,并对其进行定向倒塌的数值分析。通过和实际工程的比较,发现数值分析的结果和实际工程的结果误差很小。在原模型基础上,分别增大和减小爆破切口高度,数值模拟结果得出:在一定条件下,爆破切口越大,建筑物倒塌触地冲击力越大,有利于建筑物触地时的二次解体,同时前冲距离也会随之增大。
关键词(KeyWords)： 爆破拆除;定向倒塌;ANSYS/LS-DYNA;框架结构;前冲距离
基金项目(Foundation): 甘肃省科技计划资助项目(科技支撑计划项目)钢筋混凝土高层结构爆破拆除关键技术研究(1011GKCA019)
作者(Author): 言志信,朱辉辉,于换小,刘灿,贺香
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