摘要
东山煤矿下五采左二下巷沿空留巷,采用钢网、锚杆、锚索、石墙联合支护取得了良好的效果,缓解了采掘接续紧张局面,加快了接续能力,并创造了较好的经济和社会效益。
The retaining roadways along goaf is applied in the left No. 2 underpart roadway of No. 5 mining area in Dongshan Coal Mine. The good effect is obtained by using the combined support with steel net, bolt, cable and stonewall. The tense prospect of mining and driving continuance is relaxed. The good economic and social benfeit is created.
出处
《煤炭技术》
CAS
2007年第2期63-64,共2页
Coal Technology
关键词
沿空留巷
工作面
切眼
保安煤柱
顶板压力
正常接续
retaining roadways along goaf
face
cutting hole
protecting pillar
roof pressuie
normal continuance
