摘要
为解决掘进工作面片帮掉顶的状况,在原超前支护的基础上,研发了新的超前支护方式,即迎头和两帮的防片网,除对顶板的支护外,对煤壁及两帮也进行了支护,使得支护牢固,顶板和煤壁的临时支护形成一个整体,有效地控制了煤壁的片帮伤人事故。
To solve the problem of rib fall at heading face,the authors develop a new advance support method based on the original advance support,which supports the coal wall and two sides in addition to the roof with frontal and side defense network to form a whole with the roof and wall temporary support and control the rib fall accident effectively.
出处
《江西煤炭科技》
2010年第4期95-96,共2页
Jiangxi Coal Science & Technology
关键词
掘进工作面
临时支护
防片网
heading face
temporary support
defense network
