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针对－ ４００ ｍ 车场和硐室距上覆煤层底板岩柱较小的实际情况， 探讨了合理的跨采卸压方案， 确定了硐室的支护加固参数， 保证了跨采安全， 取得了显著的经济效果。
In view of the fact that the roof of 400m car yard and chamber is smaller than the overlying coal seam floor rock pillar, a reasonable scheme of cross pressure relief and pressure relief is discussed and the supporting parameters of the cavern are determined to ensure the safety of cross-over mining and achieved remarkable results The economic effect.