| 工作面端头悬顶在沿空巷道中破断位置的预测 |
| |
| 引用本文： | 何廷峻. 工作面端头悬顶在沿空巷道中破断位置的预测[J]. 煤炭学报, 2000, 25(1): 28-31 |
| |
| 作者姓名： | 何廷峻 |
| |
| 作者单位： | 淮南工业学院,资源开发与管理系,安徽,淮南,232001 |
| |
| 摘 要： | 阐述了基本顶在工作面端头形成的三角形悬顶对沿空巷道的危害，并对悬顶破断结构进行了分析，应用中的分析研究结果。在生产实践中成功地预测了三角形悬顶在沿空留巷中破断的位置和时间，为确定滞后加固沿空巷道的时间和长度提供了理论依据，对保护沿空留巷的安全具有重要意义。
|
| 关 键 词： | 沿空留巷 岩梁 基本顶 工作面端头 破断位置 |
| 文章编号： | 0253-9993(2000)01-0028-04 |
| 修稿时间： | 1999-10-20 |
The breaking place prediction of face end main roof flap top in the gob-side entry retaining |
| |
| HE Ting-jun. The breaking place prediction of face end main roof flap top in the gob-side entry retaining[J]. Journal of China Coal Society, 2000, 25(1): 28-31 |
| |
| Authors: | HE Ting-jun |
| |
| Affiliation: | HE Ting-jun;(Huainan Institute of Technology, Huainan |
| |
| Abstract: | The harmfulness of triangular main roof flap top to the gob side entry retaining in face end is elaborated,and the breaking frame of flap top is analyzed Based on the study result, the breaking place and breaking time prediction in the gob side entry retaining is achieved during the production period, theoretical foundation is provided for time and length determining of lag reforcing the gob side entry retaining ,it has great significance in road protection |
| |
| Keywords: | gob side entry retaining rock beam main roof face end |
| 本文献已被 CNKI 维普 万方数据 等数据库收录！ |
