分岔合并下伏煤层破碎顶板超前注浆加固技术
查文华,华心祝,黄 嵘,熊礼军
Pre-grouting Technology for Broken Roof of Lower Coal Seam of Splitting and Merging Coal
Zha Wenhua,Hua Xinzhu, Huang Rong,Xiong Lijun
地下空间与工程学报 . 2012, (5): 1014 -1020 .