Problems in the water hole blasting were analyzed, and measures for improving water hole blasting effect were proposed.
对有水炮孔爆破存在的问题进行了分析，提出了改善有水炮孔爆破效果的措施。
It also introduce the causing of shock wave in the water and the gas, and its spread in blasting hole, as well as its reflection and transmission and effects of rock.
就水和空气不偶合装药爆破冲击波的产生，及在炮孔内介质中的传播、反射和透射以及对周围岩石的作用过程都进行了详细的介绍。
A new method of fracture controlled blasting was presented, which makes use of different coupling mediums (water and gas) to carry blasting in the hole at the same time.
提出了一种新型的断裂控制爆破方法——在炮孔内同时利用不同的偶合介质(水和空气)爆破法。
Through deep hole blasting, water injection and roof strata of integrated management measures for the effective solution of the gas problem.
通过采取深孔爆破、顶板注水和矿压分析等综合治理措施，有效的解决了瓦斯问题。
This paper describes the effects of bottom water cushion on long hole blasting.
本文论述了水垫层在深孔爆破中的作用。
When water-pressure blasting, initial shock wave parameters in water and shock wave parameters in hole walls are discussed in this paper.
初步探讨了炮孔水压爆破时，水中冲击波的初始参数和孔壁处冲击波参数；应用弹性理论和波动理论推导出了孔壁岩面上的冲击压力。
In this paper, a new mining technique of mine-Deep hole blasting under water pressure is presented.
介绍了一种矿山开采新技术—深孔水压爆破。
On these grounds, it is confirmed that the general blasting scheme of combining the long-hole and short-hole blasting with water-pressure blasting should be adopted so as to realize the design idea.
据此提出完成这一设计思想应采取深孔爆破、水压爆破及浅眼爆破相结合的最佳方案。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
CTQ-Z120Y Crawler hydraulic drilling rig is mainly suitable for rock blasting hole drilling in open mining, water conservancy, power plants, roads ect.
CTQ - Z 120y型履带式液压钻机主要适用于露天矿山开采，水利，电站，筑路等石方爆破孔凿岩。
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