Full
Outline
The stability of mine shaft is very important to the safety of mining process. Taking the 1# shaft adjacent to the caving method stope and the filling method stope of a mine as the research object, a three-dimensional numerical model including the pillar caving method, the non-pillar caving method and the drift filling mining method was constructed, and the influence of mining disturbance of different mining methods on the stability of the shaft was analyzed. The results show that the main reason for the shaft failure is the superposition effect of the poor geological conditions of the rock mass in the ore-penetrating section and the mining disturbance. The disturbance caused by the mining of the drift filling mining method has the greatest influence on the maximum deformation value of the shaft, followed by the disturbance caused by the mining of the pillar caving method, and the disturbance caused by the mining of the non-pillar caving method has the least influence. Especially when the caving stope is mined at the same time, the superposition of the mining disturbance effect has a more significant effect on the deformation of the shaft. On the basis of comprehensive consideration of the existing engineering conditions of the mine, aiming at the risk of shaft failure that may be faced in the mining process of the ore body near the shaft in the section from the elevation of +710 m to +830 m, the curtain grouting reinforcement scheme was designed for the 1# shaft. The reinforcement scheme can ensure the safety of 1# shaft in the subsequent mining process.
92
44
| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
关闭全屏
No. 86 Xueyuan South Road, Haidian District, Beijing
010-62662699(Operation and Technical Support)
qkjq@cast.org.cn
Copyright © 2025 China Association for Science and Technology. All rights reserved. For all open access content, the relevant licensing terms apply.
Sponsored by the Office of the Leading Group for Cybersecurity and Informatization of CAST, and supported by Science and Technology Review Publishing House
