CAJ | 학술논문

介绍了唐洞煤矿在缓倾斜炮采工作面应用砌筑矸石墙和留小护巷煤柱2种留巷方式的工程实践，阐述了2种留巷方式的工艺流程和要求，采用极限平衡理论计算得到2244工作面顺槽合理的最小煤柱宽度为2．8m．通过对留巷工艺巷道变形的监测及掘进工期、煤炭回收率的计算分析，结果表明，这2种沿空留巷技术能有效的控制巷道的变形，在矿井生产中能实现减少巷道掘进工程量、缓解采掘接替压力、提高煤炭回收率，取得了显著的技术经济效益；为类似条件的煤矿沿空留巷提供了有益的借鉴．
개소료당동매광재완경사포채공작면응용체축안석장화류소호항매주2충류항방식적공정실천，천술료2충류항방식적공예류정화요구，채용겁한평형이론계산득도2244공작면순조합리적최소매주관도위2．8m．통과대류항공예항도변형적감측급굴진공기、매탄회수솔적계산분석，결과표명，저2충연공류항기술능유효적공제항도적변형，재광정생산중능실현감소항도굴진공정량、완해채굴접체압력、제고매탄회수솔，취득료현저적기술경제효익；위유사조건적매광연공류항제공료유익적차감．
Engineering practice of implementation of the masonry waste rock wall and retain small coal pillar in gently inclined blasting mining face to stay lane in Tangdong Mine was introduced. The process and requirements of the two processes were described in remain lane. The reasonable minimum coal pillar width is 2.8 m in 2244 working face by limit equilibrium theory. Results show that both the along goaf technology can effectively control the deformation of the roadway. They can achieve the same effect of reducing the amount of roadway excavation works, easing the extractive succeed pressure, improving the coal recovery by analysis of roadway deformation, economic benefits, boring duration and coal recoveries. It can achieve significantly technical and economic benefits. It can also provide useful references for gob - side entry retaining in the coal mine with similar condition.