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为了更好地了解和掌握中马村矿采场矿压显现特征及其变化规律,搞好顶板管理,防止顶板事故的发生,于1984年12月6日至1985年3月31日,对19071回采工作面顶分层连续进行了四个月矿压观测,观测段走向长108米,计90个循环,经历了各种不同的矿压显现阶段,获得了16136个数据,经整理分析如下: 一、概况 1.地质与生产技术条件 该工作面位于中马村矿19回风上山以东, 详细情况见采区巷道平面图1。
In order to better understand and grasp the characteristics of underground pressure and its variation in Zhongmacun Mine, improve the roof management and prevent the roof accident, from December 6, 1984 to March 31, 1985, The top strata of the mining face continuous four-month rock pressure observation, the observation section to the length of 108 meters, counting 90 cycles, experienced a variety of different stages of rock pressure show, obtained 16136 data, the finishing analysis is as follows: I. General Information 1. Geological and Production Technical Conditions The working face is located at the east of the Zhongmacun Mine 19 back to the east of the mountain. For details, see the plan of the roadway in the mining area.