Large-scale field test simulation device of piping danger of earth dam

Abstract

The invention provides a large-scale field test simulation device of a piping danger of an earth dam. The large-scale field test simulation device is arranged on the dam, wherein the dam is divided into a water retaining part and a danger simulation part, the water retaining part and the danger simulation part are separated by an "L" shaped reinforced concrete siding wall, and the simulated pipingdanger is located in the siding wall; a pressurization water tank is arranged at the top of the dam, a main pipeline is arranged at the lower part of the pressurization water tank, the main pipelineextends along the "L" shaped reinforced concrete siding wall to the lower side of a soil body of a danger generation position, a plurality of branch pipes are arranged at the tail end of the main pipeline, and open pores are formed in the branch pipes to form open pore floral tubes; a flat water tank is arranged on a back side of the dam; the flat water tank is provided with a water outlet pipe for communicating with the main pipeline; and a control valve is arranged on the main pipeline. The large-scale field test simulation device provided by the invention performs large-scale field simulation on the piping danger, and the effect is realistic; the water retaining part is separated from the danger generation position, so that the structure of the dam is safe; the danger occurrence time is controllable; the practicability is high; and the danger manoeuvre section can be well restored, and the manoeuvre can be repeatedly performed for multiple times.

Description

technical field [0001] The invention relates to a large-scale field test simulation device for piping hazards of soil dams, which belongs to the technical field of water conservancy engineering and disaster prevention and mitigation, realizes large-scale field tests of piping hazards of soil dams, and can be used for large-scale experimental research on piping mechanisms of soil dams. And for the flood control and rescue professional team to carry out actual combat drills. Background technique [0002] China has a vast territory, numerous rivers and lakes, and frequent floods and droughts. In recent years, the Yangtze River Basin, the Pearl River Basin, the Taihu Lake Basin, including the Second Songhua River Basin and the Haihe River Basin in the Northeast have experienced excessive floods one after another. Two-thirds of the country's land area and one-half of the population are threatened by floods to varying degrees. , Flood fighting and emergency rescue, disaster preve...

AI Technical Summary

Problems solved by technology

[0004] At present, most of the experimental studies on the piping mechanism of soil dams are carried out in laboratories, with small scales and low water heads. The test results often do not conform to the actual engineering conditions and cannot truly reflect the piping mechanism of soil dams.

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