A water-rock combined grouting filling stope control method for water control

Abstract

The invention discloses a combined water-rock grouting filling stope subsidence control and water control method. The method relies on a combined structure composed of water, slurry and collapsed rock to carry the overlying rock formation; during the mining process of mineral resources in the stope, , pump the accumulated water into a temporary water tank with a certain strength in the stope; after mining, the roof rock layer collapses, and the gravel in the stope rock layer is deposited around the temporary water tank. The slurry is poured to condense the gravel together to form a dome-like shape. carrier. This invention stores and processes accumulated water during the mining process for secondary application, especially when the aquifer is damaged; at the same time, with the help of the carrying capacity of water and temporary water silos, a rock formation debris collapse space is formed in the space. The dome-like structure controls the subsidence of the ground surface. The invention has the effects of water retention, waterproofing, and subsidence reduction. It uses less filling material, is low in cost, is simple to operate, and has remarkable engineering effects. It is suitable for rock formations with small inclination angles, and can be applied to water-retaining mining in the west and anti-subsidence mining in mining areas.

Description

technical field [0001] The invention relates to a method for controlling surface subsidence, processing stope water, and secondary utilization of mining area water in mineral mining, in particular to a water-rock combined grouting filling stope method for controlling subsidence and controlling water, belonging to the field of mine safety and green mining. Background technique [0002] After the mining of mineral resources, due to the instability of the rock formation, the impact on the surface begins to appear, and this impact is destructive, causing large-scale surface subsidence accidents, destroying the surface ecological environment, and endangering the safety of people's lives and property. [0003] Furthermore, in the process of mining mineral resources, the impact on groundwater and surface water is also great. The excavation of the stratum destroys the water flow channels in the rock formation or induces the evolution of channels to intensify, resulting in the loss of...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a water-rock joint grouting method for filling the stope to control settlement and control water, so as to solve many problems such as surface subsidence, waste of water resources, and water damage in the mining process.

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