摘要
本文详细地介绍了新型机械式可回收锚杆结构组成,分析了其锚固特性。并通过实验室力学性能、井下锚固力测试得出:新型锚杆的杆体强度高,可回收并可多次复用;不同巷道围岩条件需选择适合的锚头,可满足施工巷道要求的锚固力。实践证明,此种锚杆具有较好的推广应用前景。
The article introduces detailedly structural composition of mechanic and recoverable bolt of new type and endmost anchoring and analyses its anchoring characters.By bolt's testing in mechanical properties in laboratory and anchoring force in underground,the conclusion are as follows: its bodys owned high intension and may be recovered and reused.In different conditions of roadway,suited head of bolt was chose and anchoring force achieved limiting criteria.It is shown that the late-model bolt can be widely applied.
出处
《矿山压力与顶板管理》
北大核心
2005年第4期7-8,11,共3页
Ground Pressure and Strata Control
基金
中国矿业大学青年科研基金(OA4453)
国家杰出青年科学基金(50225414)
国家自然科学基金项目(50374065)
