梁式结构承爆极限荷载的确定及应用

研究梁式结构“上部爆除，下部保留”过程中的极限荷载问题；把炸药在砼中爆炸时应力波的峰值超压视为结构承受的静荷载，依据强度设计原则，建立了梁式结构承爆时必须满足的数学关系；用计算机求出了极限荷载，所得结果满足工程要求。

Determination and application of the maximum load of blast bearing capacity for a beam structure

This article deals with the problem of the maximum load of a beam structure at the moment when its upper past has been blasted up while its lower past still remains untouched. Let the swing overpressure of the stress wave produced by the explosion inside the concrete be the dead load,in accordance with the principle of the strength sign,to set up arequired mathematical relation to the explosive bearing capacity of the beam structure. With the help of the computer the results are found to have fulfilled the requirements of the demolition.