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为保证18201工作面跨空巷的安全,运用数值模拟手段分析了木跺支护参数的合理性,通过公式对回采期间工作面底板破坏深度及底板稳定性进行了计算分析,从理论上保证了工作面的安全回采。由矿压监测结果可知:工作面跨空巷回采期间,围岩没有出现塌陷、断裂等破坏情况,采取木跺支护是合理的。
In order to ensure the safety of 18201 working face crossing roadway, numerical simulation method is used to analyze the rationality of wood retaining parameters, and the formula is used to calculate and analyze the failure depth and floor stability of working face during the recovery period. Theoretically, Face safety mining. According to the result of mine pressure monitoring, it can be seen that there is no collapse or rupture of surrounding rock during the mining of gob-side entry in caving face. It is reasonable to adopt the shingle support.