爆炸荷载作用下地下结构的震塌破坏模型研究Spall Model of Underground Structures under Blast Loads
李秀地,郑颖人,徐干成
摘要(Abstract)：
过去对地下结构震塌破坏的研究,往往是在假设地下结构为半无限厚的基础上进行的。基于层状介质中应力波的界面效应理论,提出了能考虑地下结构实际厚度的震塌破坏模型。通过实际算例,得到了应力波在地下结构中的传播规律,分析了岩石性质对地下结构局部震塌的影响。分析方法与结论对类似问题也有参考价值。
关键词(KeyWords)： 拉伸波;震塌;地下结构
基金项目(Foundation):
作者(Author): 李秀地,郑颖人,徐干成
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