| 采场不稳固围岩锚杆支护设计与计算 |
| |
| 引用本文： | 杨振宏,李辉. 采场不稳固围岩锚杆支护设计与计算[J]. 黄金, 1999, 0(5) |
| |
| 作者姓名： | 杨振宏 李辉 |
| |
| 作者单位： | 西安建筑科技大学 |
| |
| 摘 要： | 在分析采场顶板围岩力学过程的基础上，通过对顶板围岩的塑性区半径、松动区半径计算，来确定锚杆的有效长度和锚杆网度。采场试验表明，采用“先短后长”的锚杆支护技术和“先柔后刚”的锚杆群组支护结构，是解决采场顶板围岩支护的最好途径。
|
| 关 键 词： | 采场 塑性区半径 松动区半径 锚杆有效长度 |
The design and calculation of anchor pole support of unstable surrounding rock in mining area |
| |
| Yang ZhenghongLi Hui. The design and calculation of anchor pole support of unstable surrounding rock in mining area[J]. Gold, 1999, 0(5) |
| |
| Authors: | Yang ZhenghongLi Hui |
| |
| Affiliation: | Xian University of Architecture & Technology |
| |
| Abstract: | Based on the analyses of the mechanical process of ceiling surrounding rock in mining area,the effective length and reticular density of bolts can be determined by calculating the radius of plastic deformation area and flexible area in ceiling surrounding rock.The experimental data from mining area indicate that adopting short bolt before long one and flexible structure of bolt group support before rigid structure are the best way to solve the problem about the support of ceiling surrounding rock in mining area. |
| |
| Keywords: | mining area radius of plastic deformation area radius of flexible area effective length of bolt |
| 本文献已被 CNKI 等数据库收录！ |
