With the index of cut hole's volume, depth and blasting fragmentation in the thesis, the simulated tests have been carried out upon cut blasting of bottom air column and conventional charge.
以槽腔体积、槽腔深度和爆破块度为指标，对底部空气柱装药和常规装药掏槽爆破进行了模拟试验。
Recently air-cushion blasting with column charge has been widely used and gained remarkable results in improvment of fragmentation and controlling damage.
近年来条形药包空腔爆破的应用范围有了一定的扩展，并且在提高爆破效果和控制爆破危害等方面取得了显著效果。
Puts forward stress wave research method when the linear charge blasting. It regarded column stress wave as cylinder stress wave, end stress wave as spherical wave.
提出了将条形药包柱部应力波当作柱面波、端部应力波当作球面波处理的应力波研究方法。
The Changsha "Wuyiwen" Department Store is a multi-row column reinforced concrete framework structural building. The circumstances for blasting demolition are very complicated.
长沙“五一文”商场大楼为多排立柱钢筋混凝土框架结构楼房，其爆破拆除环境复杂。
The Changsha "Wuyiwen" Department Store is a multi-row column reinforced concrete framework structural building. The circumstances for blasting demolition are very complicated.
长沙“五一文”商场大楼为多排立柱钢筋混凝土框架结构楼房，其爆破拆除环境复杂。
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