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以某矿浅埋大采高14204综采工作面为工程背景,对顺槽预留煤柱合理宽度进行研究。结果表明:当预留煤柱宽度由19.2 m优化到17.2 m时,煤柱的弹性核宽度、煤柱支承压力分布及顺槽变形没有发生太大变化,且能够保证工作面回采过后煤柱及辅运顺槽的安全稳定。
Taking the 14204 fully mechanized coal mining face with a shallow caving and a large mining height in a mine as the engineering background, the reasonable width of reserved pillars in the trough was studied. The results show that when the reserved coal pillar width is optimized from 19.2 m to 17.2 m, the elastic core width, the pillar support pressure distribution and the groove deformation of the coal pillar have not changed much, and the pillars and Auxiliary transport along the slot security and stability.