摘要
以山西焦煤集团西山煤电古交西曲矿为实例,对28104工作面回风顺槽应力集中区顶板采取注浆、施工加长锚杆桁架支护、架设双梁"T"型工字钢棚等联合维护措施;实际应用表明,有效提高了顶板稳定性,取得了显著成效。
Taking Gujiao Xiqu Colliery of Xishan Coal and Electricity Co., Ltd. tor example, joint maintenance measures such as grouting, construction of long bolt truss support and erection of double-beam T-type steel sheds, etc. have taken in 28104 working tace returning wind-sinking stress concentration zone, which ettectively improves the stability of the roof and achieves remarkable resuhs.
作者
孟希超
Meng Xichao(Xiqu Colliery,Xishan Coal and Electricity Co.,Ltd.,Gujiao,Shanxi 03020)
出处
《江西煤炭科技》
2018年第4期88-89,92,共3页
Jiangxi Coal Science & Technology
关键词
综采面
顺槽
应力集中区
顶板控制
fully mechanized coal face
crossheading
abutment area
roof control
