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分析了大倾角大采高接长型单体支柱工作面的顶板活动规律和周期来压显现特征,同时对支柱初撑力进行统计分析。实践证明,采用接长型支柱的支护效果、经济效果都很显著。
The law of roof movement and periodicity of the working face of single-pillar long pillar mining with large mining height are analyzed to reveal the characteristics and the statistical analysis of the initial support force of the pillar. Practice has proved that the use of long-term support effect of the pillar, the economic effect is very significant.