Full
Outline
In order to solve the problem of foundation cracking and deformation of the ore transportation conveyor belt system in S2—S3 section, which are located in the southern open-pit of the MS Mine of Serbia Zijin Copper Doo, a survey on the current status of foundation cracks, geological investigation, and monitoring of foundation deformation was conducted. It is found that poor rock properties are the main cause of cracking and deformation in the belt corridor foundation. The self-load and operation vibration of the belt corridor, mining blasting vibration, rainfall and snowfall are also important factors that induce foundation cracking and deformation. To ensure the stability of the belt corridor foundation, a treatment scheme was proposed to reinforce the foundation using double-row micro-piles and frame structures. The monitoring results indicate that before taking reinforcement measures, the belt corridor foundation of the S2—S3 section is continuously declining, and the west slope adjacent to the belt corridor shows a trend of sliding. After implementing reinforcement measures, good reinforcement effects is achieved, and the cracking and deformation trend of the belt corridor foundation is suppressed, effectively controlling the development and expansion of cracks, improving the overall integrity and bearing capacity of the foundation, and effectively controlling the propagation and transmission of cracks. The research results can provide a reference for similar geotechnical engineering reinforcement and treatment.
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| 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 |
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