In this paper, the instability criterion of blasting demolition in different collapse techniques of frame structure has been studied in the name of the blasting height of pillar.
本论文通过立柱爆破高度来对不同坍塌方式下的框架结构爆破拆除失稳判据进行研究。
Based on practice of excavating piles, the reasons conditions and preventive measures about damage by blasting on supporting rocky layer, pillar ground support and concrete in pile have been proposed.
依据大量掘桩实践，论述了掘桩爆破对持力岩层、护壁、桩间岩柱、邻桩支护和新浇砼损伤的原因、条件和防范措施。
The paper introduced the blasting design for recovery of the crown pillar in detail.
文中较详细地介绍了该顶柱回采的爆破设计。
Based on the stress analysis of filling body, it was pointed out that reducing the destructive function of blasting on the filling body is one of the technical keys in ore pillar extraction.
通过对充填体受力分析，指出减小爆破对充填体的破坏作用是矿柱回采的技术关键之一。
This paper introduced a new method for it, ie continuous stoping of room and pillar in stages and to fill mined bed with falling roof by deep-hole blasting.
本文提出了一种矿房矿柱阶段性连续回采，深孔放顶处理空区的采矿方法。
Combining with the geological case, oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.
结合340 0 6炮采工作面地质情况、俯斜开采及工艺，对工作面液压单体柱倒柱原因进行了受力分析，并介绍了防止液压单体柱倒柱技术及取得的效益。
Combining with the geological case, oblique mining process at blasting face 34006 analyze the accepted force reason of collapsed pillar and introduce the preventing technique and achieved benefit.
结合340 0 6炮采工作面地质情况、俯斜开采及工艺，对工作面液压单体柱倒柱原因进行了受力分析，并介绍了防止液压单体柱倒柱技术及取得的效益。
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