Charged with air cushion, the blasting mechanism of smooth blasting with soft cushion charging construction is studied.
空气垫层装药是岩石光面爆破常采用的一种有效装药结构。
Based upon blasting mechanics theory, pressure on the wall of borehole and blast stress field are gained in the course of detonation with air cushion charging construction.
利用爆炸力学理论，得到空气垫层装药爆破的孔壁压力及其爆炸应力场。
Technique of the Air-cushion Underwater Rock - plug Blasting and Its Application
气垫式水下岩塞爆破的技术研究及应用
At present, there are following ways for the experimental study and application of one time blasting technologies for excavating protection layers of foundation rock of hydropower stations in China: ① small bench millisecond delay blasting with a soft cushion provided in the bottom of vertical holes;
我国现阶段水电站基岩保护层一次爆除技术试验研究和应用主要有以下几种方式：①垂直炮孔孔底设置柔性垫层的小梯段毫秒延时微差爆破；
A combination of cushion blasting and line-drilling can be suitable.
缓冲爆破和轮廓线钻眼法结合使用可能比较合适。
Cushion blasting with divided charge holes is one of the controlled blasting techniques near slopes.
具有分段装药结构炮孔的缓冲孔爆破是边坡控制爆破方法之一。
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。
Applications and mechanism of air - cushion blasting with column charge
条形药包空腔爆破的应用及其机理分析
The theory of protective level blasting by using duplicate cushion in large hole is put forward and the optimized design of the duplicate cushion was done by numerical value calculation.
文章提出了在保护层爆破中采用大孔径复合垫层爆破，对复合垫层爆破的理论进行了研究，并通过数值计算对复合垫层进行了优化设计。
Water pressure pre-split; Cushion blasting; Large borehole; High slope;
水压预裂；缓冲爆破；大孔径；高边坡；
By analyses of the pictures taken by high-speed photography and the average lumpiness of fragments of models after blasting, the effects of bottom water cushion on the process and efficacy of blasting have been expounded.
通过模型爆破的高速摄影照片和爆破块度分析，阐述了水垫层对爆破过程和爆破效果的影响。
Research on the effects of bottom water cushion on long hole blasting
岩石爆破中水垫层作用的研究