通过研究和实践,分析巷道变形原因,应用新型成套支护技术,解决支护软弱特厚复合顶板支护问题,提高了支护的可靠性,改变了传统的支护方式,取得了显著的社会效益和经济效益。 Through researching and practicing, analyzing the cause of roadway deformation, applying the new complete set of supporting technology, the problem of supporting and supporting the weak and extremely thick composite roof is solved, the reliability of supporting is improved, the traditional supporting mode is changed, and remarkable social Benefits and economic benefits.