采矿与安全工程学报Issue(5)：686-691,6.
深部巷道连续双壳加固机理及试验研究
Reinforcement mechanism and experimental study on continuous double shell of deep roadway
摘要
Abstract
Aiming at the problem that the deep roadway was deformed seriously, and the traditional support could not guarantee stability of roadway, this paper proposed idea of reinforcement continuous double-shell of the deep roadway based on analyzing deeply the deformation characteristics of deep surrounding rock and analyzed its reinforcement mechanism. The nude roadway, anchor support, de-formation of surrounding rock in continuous double-shell support roadway and stress distribution rule of roadway under different deep mining conditions were studied through imitation test with similar mate-rials. The results showed that with the mining depth increasing, the self-stability of the surrounding rock in nude roadway couldn’t be maintained for it was damaged largely;that there was potential failure risk for the bolt support roadway because its deep surrounding in inlet anchorage zone was destroyed in ab-scission layer;and that the local shear failure for continuous double-shell support roadway occurred in the shallow part wall of roadway and the stability of surrounding rock was good. The example of the new-southern roadway support of Tao-er coal mine proved the reasonability of continuous double-shell’s support.关键词
深部巷道/连续双壳/支护机理/注浆Key words
deep roadways/continuous double-shell support/support mechanism/grouting分类
矿业与冶金引用本文复制引用
孙利辉,杨本生,杨万斌,孙春东..深部巷道连续双壳加固机理及试验研究[J].采矿与安全工程学报,2013,(5):686-691,6.基金项目
国家自然科学基金项目(51174070)；河北省自然科学基金项目(E2011402046) （51174070）
