摘要
巷道支护是煤炭开采中的一项关键技术,原来的钢制锚杆不能回收,存在许多弊端,为此开发研制了胀套式和复合式2种可回收塑料锚杆。介绍了可回收塑料锚杆的结构特点、工作原理、使用方法及应用情况。实践证明,可回收塑料锚杆具有较高的推广价值和很好的经济效益。
As a key technique in coalfield exploration, the primary steel anchor bolt used in laneway bolting is not returnable, it may resultin many problems. Expansion bolt and compound recyclable plastic anchor bolt were deveioped for this purpose. The structure, mechanism and its applications were introduced. Practice has proven, reclaimable plastic anchor bolt has higher popularization value and economic returns.
出处
《煤矿机械》
北大核心
2008年第6期183-185,共3页
Coal Mine Machinery
关键词
煤巷支护
可回收塑料锚杆
应用
laneway bolting
reclaimable plastic anchor bolt
application
