英德
有道
百度
谷歌
图片
维基
百科
孔间距 [kǒng jiān jù]
pitch of holes
- 分析岩石中固有裂纹大小对炮孔装药量和炮孔间距的影响；同是提出爆破参数的设计原则和方法。
The effect of the length of existed crack in rock on the explosive charge and hole spacing is analyzed and the design principle and method for blasting parameters are also suggested. - 结果表明：在孔壁压力、孔径和抵抗线不变的条件下，考虑损伤影响时可适当加大光面爆破的炮孔间距；
The relation between the maximum effective stresses and distance in the two kinds of models was compared when considering the damage effect. - 按照切缝药包定向断裂控制爆破参数计算公式确定的炮孔间距和装药量，经现场实际应用证明是有效的和合理的。
Equations for calculation parameter of directional split of rock by controlled blasting are used to determine the hole spacing and explosive charge, it is effective and reasonable in practice.
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