Clogging experiment device of tailing material and geotextile thereof

Abstract

The invention discloses a clogging experiment device of a tailing material and a geotextile thereof. The clogging experiment device comprises a cooling pipe bracket, a condensation pipe, a pressure gauge I, a water pipe, a pressure gauge II, a top cover, an upper barrel, a piezometer tube, a middle barrel, the geotextile, a pressure-bearing filtering screen, a lower barrel, a drain-pipe, a funnel,a collection bottle, an overflow pipe, a distilled water guide pipe, a distilled water generator, a water stopping valve, a distilled water collection tank, a room-temperature distilled water collection tank, a valve II, a spraying nozzle, a pressure-bearing porous plate, a filtering membrane and a drain valve. The clogging experiment device disclosed by the invention can be used for carrying outa clogging experiment of a soil body and a drainage material thereof in a tailing pond; the geotextiles with different tailing materials, different soil body compaction degrees and different pore diameters are subjected to a percolation experiment to analyze a percolation change rule of different tailings under different compaction degrees; meanwhile, permeability properties of the different geotextiles are analyzed under different conditions and reference is provided for selecting the suitable geotextiles; a theoretical foundation is provided for predicating the stability of the tailing ponds and various drainage projects, and preventing and controlling disasters.

Description

technical field [0001] The invention relates to a tailings material and a clogging experiment device of a geotextile, belonging to the technical field intersecting mine geotechnical engineering, slope engineering and environmental engineering technology. Background technique [0002] Siltation is a common phenomenon that occurs in the seepage process of porous media. Siltation of the tailings dam body will reduce the permeability of the dam body, resulting in poor drainage of the tailings dam, thereby greatly reducing its stability and safety, which is extremely greatly increase the risk of its dam failure. In the seepage process with tailings ponds, in order to ensure the smooth drainage of the tailings pond dam body and prevent seepage damage at the seepage outlet, it is usually necessary to set a reverse filter layer. Geotextiles are mainly used in fields such as water conservancy, coastal protection, flood fighting and rescue, swamp restoration, erosion control, reclama...

AI Technical Summary

Problems solved by technology

However, the current experiments to explore the clogging problem of geotextiles can only study several of the above problems separately, and no experimental device can simultaneously analyze different particle gradations, different compaction degrees, different rainfall intensities, and different pores. Research on tailings material-geotextile clogging under water pressure, different hydraulic gradients, and different thicknesses. The simple clogging experiment can only show the influence of some individual factors on clogging, but cannot obtain complex multi-factor conditions. Combined effect of lower tailings material-geotextile clogging

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