巷道底板预应力锚索注浆封孔机理及新型封孔装置设计

刘少伟，常建超，张辉，朱乾坤

Sealing mechanism of the grouting bolt hole with pre-tensioned cable and design of a new sealing device in the roadway floor

LIU Shaowei，CHANG Jianchao，ZHANG Hui，ZHU Qiankun

采矿与安全工程学报 . 2015, (5): 753 -759 .