rock cavity sealing 岩腔封砌
rock salt cavity 岩盐溶腔
Shape of rock salt cavity 溶腔形状
utilization of rock salt cavity 岩盐溶腔利用
The formulae for dynamic calculations of underground rock cavity with liner are also given here.
文中还给出了有衬砌的地下岩洞动力计算方法。
Making use of multi-well method, the quantity of rock salt mining is more, the concentration of brine is higher, and the shape of cavity is regularer than others.
由于群井连通法岩盐开采量大，采出卤水浓度大，溶腔形状比较均匀，目前成为了国内外水溶采矿的一种发展趋势。
The cut is major factor to affect tunnel blast. The movement process of rock pieces in cut cavity is a theory base for cut blast mechanism and the parameter design.
掏槽是决定隧道爆破效率的主要因素，掏槽腔内岩石碎块的运动过程是掏槽爆破机理及参数设计的理论基础。
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