松软复合顶板巷道锚固技术数值模拟  

Numerical simulation about roadway support with soft and compound roof

作　　者：葛志强 王东[2] 

机构地区：[1]新疆煤炭设计研究院有限公司矿山一所,新疆乌鲁木齐830000 [2]辽宁工程技术大学资源与环境工程学院,辽宁阜新123000

出　　处：《辽宁工程技术大学学报（自然科学版）》2010年第4期537-540,共4页Journal of Liaoning Technical University (Natural Science)

基　　金：辽宁省教育厅基金资助项目(2008302)

摘　　要：为解决镇城底矿22409工作面尾巷支护问题,应用RFPA^(2D)软件对松软复合顶板条件下煤体-煤体巷道和煤体-煤柱巷道在不同支护方案时围岩的变形破坏特征和支护效果进行了数值模拟研究。结果表明:松软复合顶板条件下,煤体-煤柱类型巷道相对于煤体-煤体类型巷道来说,围岩变形破坏严重,且支护难度大,应加大支护强度。该成果为确定和优化锚杆-锚索支护主要参数提供了依据。To settle the problem about 22409 work-face end roadway support of in Zhenchengdi Coal Mine. The surrounding rock deformation and failure characteristics and the support effects of the coal mass-coal mass roadway and the coal mass-coal pillar roadway with soft and compound roof with different support scheme were respectively simulated with RFPA2D. The result shows that with the soft and compound roof, the surrounding rock of the coal mass-coal mass roadway deforms and failures seriously compared with that of the coal mass-coal mass roadway and it＇s support is more hardly, so the support should be consolidated, which provided a reference to the determination and the optimization of the anchor pole and rope support parameters.

关 键 词：松软复合顶板 数值模拟 变形破坏特征 支护效果 

分 类 号：TD353[矿业工程—矿井建设]