Principle of selection of dump site location
First, the dumping site should be selected in the wasteland of the hillsides and valleys, and implement the policy of occupying less land, not occupying the fertile land, easing and occupying the land, and avoiding the migration of the village. Second, under the conditions that do not affect the near and long-term mining of the deposit and ensure the stability of the slope, the heart volume is selected to reduce the waste rock transportation distance outside the mining boundary near the open pit, wellhead and the mouth. Third, the dump should ensure that will not threaten the security of mining sites, industrial sites (plant), settlements, railroads, roads, farming areas, waters, tunnel, etc. The safety distance should be specified in the design. 4. The site selection of dumping sites (including hydraulic dumping sites) shall be based on reliable engineering geological data and shall not be located in areas with poor engineering geology or hydrogeological conditions; if safety is affected by poor foundations, effective measures shall be taken. In the gully dumps constructed in areas with abundant rainfall, effective measures should be taken to prevent the occurrence of mudslide disasters. 5. The dumping site built on the mountain should remove all the vegetation on the surface of the slope and the weak layer of the Quaternary system (stacked separately), cut into steps, enhance the friction of the base and improve the stability of the dump. 6. The internal dumping site shall not affect the normal mining and slope stability of the mine, and there shall be a certain safety distance between the slope of the dumping site and the mining site of the ore body. 7. When selecting a dumping site, the total volume of the dumping site should be compatible with the total stripping capacity of the open pit mine design. 8. The dumping site should be placed in the downwind zone of the residential area as much as possible to prevent dust from polluting the residential area and prevent harmful chemical components in the rock and soil from bringing people to rivers and farmland. IX. When designing the dumping site, it is necessary to consider the possibility of reclamation and land reclamation.
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