摘要
以寺河矿2308工作面为例,介绍了内错尾巷的支护方式、布置方式及其在支架上方和工作面前方的留设情况,肯定了内错尾巷在解决放顶煤工作面回采时上隅角瓦斯和采空区瓦斯问题的重要作用。
Adopted No. 2308 Face of Sihe Mine as example, the supporting modes, layout one and maintenance states of inner tail-roadway before face and above the yield supports were introduced, inner tail-roadway important effect in solving gas problems at face＇s upper corner and waste area was affirmed.
出处
《山西煤炭》
2007年第2期49-51,共3页
Shanxi Coal
关键词
高瓦斯矿井
内错尾巷
瓦斯治理
安全
效益
high gas mine
tail-roadway laid within inner face
gas prevention
safety
efficiency
