摘要
分析了鹤岗矿业集团公司兴安煤矿260采煤队工作面机轨巷锚杆支护形式、断面形状与支护效果,初步得出在复合顶板下煤巷掘进采用锚杆支护的可行性,并为该矿煤巷掘进支护方式的改革提供了依据。
The form of bolting support,the section shape and support result at No.260 coal face, Xinan Coal Mine, Hegang Minging Industry Group are analysed and the possibility of bolting support under the conditions of compound roof in coal road digging is pointed out,which provide the basis for reform of support in coal road digging.
出处
《煤炭技术》
CAS
2005年第3期59-60,共2页
Coal Technology
关键词
锚杆支护
复合顶板
煤巷掘进
bolting support
compound roof
coal road digging