底鼓巷道锚杆支护应用技术研究  

Study On Bolt Support Application Technology Of Floor Heave

作　　者：梁智军 

机构地区：[1]中天合创能源有限责任公司葫芦素煤矿,内蒙古鄂尔多斯017317

出　　处：《煤矿现代化》2016年第2期95-97,共3页Coal Mine Modernization

摘　　要：阐述了巷道底鼓的破坏形式和影响巷道底鼓的主要因素,依据巷道顶底板岩层真实力学参数,通过RFPA数值模拟软件,模拟了巷道进行底锚杆支护前后的底鼓破坏应力应变情况和破坏程度的对比,演示了底锚支护对巷道底鼓的控制作用。现场试验表明,经过底锚支护的巷道4个月后顶底板移近量平均只有179mm,是未支护巷道的1/3,研究结果对底鼓巷道的支护具有一定的参考价值。Describes the damage in the form of the floor heave,and the impact of the main factors the floor heave. Based on roadway roof and floor rock mechanical parameters, by RFPA numerical simulation software,Simulation of the bottom end of t roadway floor heave Bolting situation before and after the destruction of the stress and strain,and contrast levels of destruction. Demonstrates the role bottom anchor retaining control of the floor heave.Field test shows,through the tunnel after the end of the anchor support, roof and floor after moving distance four-month average of only 179 mm. It is no support roadways 1/3. The results have some reference value for floor heave of roadway supports.

关 键 词：矿山压力 巷道底鼓 数值模拟 锚杆支护 

分 类 号：TD327.3[矿业工程—矿井建设]