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试验说明所设计的试验是在适当控制条件下能够研究有关爆破参数的矿房中进行的。试验采场在西缘联合矿山公司(West Rand Consolidated Mines)西井二中段(距地表180米)。该上向回采矿房的布置如图1所示。
Test Description The test was designed to be conducted in a mined-out mine under appropriate control conditions for the relevant blasting parameters. The test stope is in the middle of West Well II (180 meters above the surface) of the West Rand Consolidated Mines. The upper back mining house layout shown in Figure 1.