高强锚杆在深部煤矿巷道支护中的应用  

Application of High Strength Anchor in Supporting for Deep Coal Mine Tunnel

作　　者：高杰[1] 刘玉元[1] 张京泉[1] 

机构地区：[1]山东省新汶矿业集团协庄煤矿,山东新汶271221

出　　处：《探矿工程（岩土钻掘工程）》2006年第1期55-58,共4页Exploration Engineering:Rock & Soil Drilling and Tunneling

摘　　要：根据深部软岩条件下煤矿巷道锚杆支护效果不理想的情况,分析认为调整锚杆预紧力的大小是改善支护效果的有效方法。通过在具体支护中对螺纹钢锚杆、淮北预紧力锚杆、高预紧力锚杆进行对比试验,采用高预紧力锚杆支护有效地控制住了深部巷道围岩的变形,同时具有较好的经济效益。The shoring results for coal mine under the soft rock conditions were not perfect. The author thought that adjustment of pre-stress in a efficient method to improve shoring results. Test was made on worm steel anchor, Huaibei prestressed anchor and high pre-stress anchor, to compare the shoring resuhs. The high pre-stress anchor shown that it can efficiently control the surrounding rock deformation in tunnel under deep earth. Meanwhile it has good economic benefits.

关 键 词：高强锚杆 高预紧力 深部煤矿巷道 支护 

分 类 号：TD353.6[矿业工程—矿井建设]