Application and control mechanism of double-span trusscable in coal roadway with large span
As the bottom span of single-span truss anchor cable is too large in large span roadway,effective composite high pre-stress in the central area of roadway cannot be provided.Thus,to solve the support problem,two groups of high pre-stress truss cable are arranged symmetrically to form the double-span...
| Main Authors: | , |
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| Format: | Article |
| Language: | English |
| Published: |
Emergency Management Press
2018-04-01
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| Series: | 矿业科学学报 |
| Subjects: | |
| Online Access: | http://kykxxb.cumtb.edu.cn/article/id/132 |