摘要
巷柱式采煤法开采急倾斜煤层,具有投资少、见效快,工作面支护简单、顶板易管理、支护费用低、安全性能高、煤柱少、回采率和增产潜力大等优点。工人能够在较短时间内掌握该工作面的施工方法。
The pillar mining method in steep seam mining has many advantages, such as less investment and quick, simple face supporting, easy - to - manage roof, low supporting cost, safety of high - performance, small coal pillar, the recovery rate and great potential yield etc. The workers can master the face construction methods in a short time.
出处
《煤炭技术》
CAS
2008年第8期69-70,共2页
Coal Technology
