Within the protection zone for a water project, any act of blasting, sinking a well, quarrying rock, and collecting earth, which endangers the safety of the water project, shall be prohibited.
在水工程保护范围内，禁止进行爆破、打井、采石、取土等危害水工程安全的活动。
By applying the hydraulic model, the self-simulation solution of the spherical charge blasting at the close zone has been obtained.
本文利用流体动力学模型，得到球对称装药爆破近区的自模拟解。
The radius of fracture zone and cracked zone can be calculated by theory of blasting, and blasting effectiveness of different blasting project can be analyzed and simulated by the software of LS-DYNA.
用爆破理论计算爆破的压碎区和裂隙区半径，用LS - DYNA软件模拟分析了不同爆破方案的爆破效果。
The range of fracture failure zones under the influence of blasting stress wave was identified and the calculation formula of the failure zone was also proposed.
研究了爆炸应力波作用下裂隙岩体断裂破坏范围并提出了新的破坏范围计算公式；
The principle of increasing gas emission rate by long hole blasting in the crossing hole is discussed. The radius cracked zone in coal seam caused by long hole blasting is calculated.
简要论述了深孔爆破提高瓦斯抽放的机理，以煤体中柱状装药爆炸后的裂隙圈半径进行了计算。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
The variation in acoustic velocity along the borehole and the influence of blasting on excavation damaged zone (EDZ) are studied based on the in-situ testing results.
基于松动圈的现场测试结果，研究声波波速沿孔深的变化规律以及爆破施工对于松动圈的影响。
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