摘要
结合沙吉海煤矿01工作面煤巷工程实例,分析了巷道变形破坏原因及该部位的变形力学机制,确定了复合型变形力学机制转化为单一型的具体对策,提出了恒阻大变形锚杆+中空注浆锚索+底角注浆钢管耦合支护技术,并应用于工程实践,监测结果表明,支护效果良好,为类似条件下的巷道支护提供了借鉴。
Combined with the coal roadway engineering of Shajihai coal mine No. 01 working face,analyzes the reason of the deformation and the deformation mechanics,determines the countermeasures of deformation mechanics mechanism from composite into simple,puts forward the coupling support technology of large deformation anchor with constant resistance ＋ hollow grouting anchor cables ＋ grouting steel pipe of the base,which is applied to engineering practices. Monitoring results show that the supporting effect is well,and this support method is used for the similar conditions of the coal roadway.
出处
《山西建筑》
2014年第21期78-80,共3页
Shanxi Architecture
关键词
软岩
膨胀性
变形力学机制
耦合支护
soft rock
swelling
deformation mechanics
coupling support
