Research on the local response of spall for underground structures under blast loads was based on assumption of semi-infinite thickness of concrete in the past.

• 为弄清实际厚度地下结构在爆炸荷载作用下的局部层裂机理,基于层状介质中应力波的传播理论,提出了地下结构典型组合形式的局部层裂破坏模型。