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本文以一线平面波理论为基础,通过对浅埋梁、浅埋刚性结构以及浅埋柔性结构这三种浅埋框架结构抗爆计算模型的分析和比较,研究了顶板弹性内力和周围介质的相互作用系数随几个无量纲参数的变化关系;给出了我国常用浅埋框架结构刚、柔计算模式的选取准则。
Based on the theory of first-order plane wave, the paper analyzes and compares the calculation models of the shallow-buried beam, the shallow-buried rigid structure and the shallow-buried flexible structure. The interaction between the elastic inner force of the roof and the surrounding medium is studied. The coefficient changes with several dimensionless parameters; the selection criteria for the rigid and flexible calculation modes for commonly used shallow-buried frame structures are given.