摘要
在松软巷道中,锚杆支护通过锚杆群的锚固作用,把围岩周边一定厚度范围内的松散岩体均匀压缩成能承受一定荷载的承重环。分析了承重环支护抗力情况,结合FLAC2D软件对不同锚杆支护参数的围岩维护效果进行了对比,证明了密集短锚杆在松软巷道中支护的优越性。
In soft roadway,through the bolt group anchoring role of bolt supporting,loose rock body around the rock within a certain thick- ness scope is compressed into the load-bearing ring which can withstand a certain load. It analyzed the load-bearing resistance of ring sup- port in this paper. Combined with FLAC2D software,maintain effects of surrounding rock for different bolt supporting parameters were con- trasted,the result proves that the intensive short bolt has some advantages in soft roadway supporting.
出处
《中州煤炭》
2014年第6期5-8,共4页
Zhongzhou Coal
基金
国家自然科学基金青年科学基金项目(51304200)
江苏高校优势学科建设工程资助项目(SZBF2011-6-B35)
