在综采放顶煤工作面顺槽掘进过程中，由于顺槽煤层顶板松动破碎，并且顺槽采用矩形断面，顶板跨距较大，不利于巷道支护。
During the drivage of main-gate in long-wall face with fully mechanized caving mining, the gate is hard to support due to its loose and broken roof, large cross-section and long span.
以双鸭山矿务局东荣三矿东九采区综采工作面为研究对象，进行采区巷道监测设计。
Take the Shuangyashan mining bureau east nine to picking zone the working surface as the object of study the third coal mine of Dongrong, carries on the tunnel picking zone monitor design.
介绍了国内外长壁综采工作面的尺寸、设备、回采巷道布置及工作面单产的现状及发展趋势。
The paper introduced the size, equipment, gateway arrangement and production of the fully mechanized longwall coal mining faces at home and abroad.
寺河矿综采工作面巷道采用顺序开采的回采方式。选用7200/23/38 A型垛式支架对巷道进行超前支护，实践中提出了支护过程中存在的几点问题并提出了改进意见。
Sequential mining is utilized in the fully-mechanized face in Sihe mine. 7200/23/38A chock support is used in entry, some problems on its usage and related improvement opinions are put foreward.
结合柳湾煤矿开拓巷道 ，顺槽和综采工作面切割巷 ，采用锚网支护试验对金属网的作用机理进行重点研究。
Based on introducing the working principles of the metal bar code, a method to manage drill string by planting metal bar code into the connection was developed.
结合柳湾煤矿开拓巷道 ，顺槽和综采工作面切割巷 ，采用锚网支护试验对金属网的作用机理进行重点研究。
Based on introducing the working principles of the metal bar code, a method to manage drill string by planting metal bar code into the connection was developed.
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