Field simulation test system for water and soil loss of high and steep slopes and operation method thereof
A high-steep slope, simulation test technology, applied in the direction of soil material testing, material inspection products, etc., can solve the problems of high soil erosion intensity, loose components, and lagging prevention and control technology in engineering accumulations, and achieve the goal of overcoming height requirements, The effect of achieving precise analysis
Pending Publication Date: 2019-03-01
NORTHWEST A & F UNIV
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Problems solved by technology
[0002] The main reasons for the high intensity of water and soil erosion in engineering accumulations, serious damage, difficulty in prediction, and lagging prevention and control technology are that the underlying surface of the accumulation body slope is loose and has a large slope. The mechanism of water and soil erosion is very different from that of slope farmland. Indoor runoff simulation plots are difficult to meet the requirements in terms of slope length, slope and accuracy. It is urgent to establish field simulation runoff plots on high and steep slopes to explore the loss process and hydrodynamic parameters, so as to promote the revealing of the erosion mechanism of high and steep slopes in engineering accumulations. Research work related to prevention and control technology
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[0025] The technical solutions of the present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.
[0026] refer to Figure 1~3 , a field simulation test system for soil erosion on high and steep slopes, including an energy dissipation water supply system, a test material filling system, and a runoff sediment collection system. The energy dissipation water supply system is composed of the front pool, the stilling sill, the back pool and the buffer water discharge section. The system is located at the top of the test system. The main function of the system is to allow the water flow to enter the test smoothly and evenly after energy dissipation before flushing Material filling system; the test material filling system is followed by the energy dissipation and water discharge system, which is composed of side walls, raw material compaction area, test material filling area, infiltration test tube, and test sec...
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The invention discloses a field simulation test system for water and soil loss of high and steep slopes and an operation method thereof. The field simulation test system comprises an energy dissipation water supply system, a test material filling system and a runoff and sediment collection system, wherein the energy dissipation and water supply system consists of a forebay, a stilling bucket, a water outlet, an afterbay and a water discharging section of a buffer zone, the system is positioned at the topmost section of the test system, the main function of the system is that before scouring, the water flow smoothly and evenly enters into the test material filling system; the test material filling system is closely connected with the energy dissipation and drainage system, consists of a side wall, a raw material compaction area, a test material filling area, an infiltration test pipe and a test section marking line, and is a slope section area of the whole test system; and the runoff and sediment collection system is positioned at the tail end of the test material filling system, consists of a separation wall, a triangular area, a runoff bucket, a runoff bucket base seat, a valve and a drainage ditch, and is the bottom end of the whole system.
Description
technical field [0001] The invention relates to a high and steep slope soil erosion field simulation testing system, in particular to a high and steep slope soil erosion field simulation testing system for measuring engineering accumulation body high and steep slope soil erosion and its operating method. Background technique [0002] The main reasons for the high intensity of water and soil erosion in engineering accumulations, serious damage, difficulty in prediction, and lagging prevention and control technology are that the underlying surface of the accumulation body slope is loose and has a large slope. The mechanism of water and soil erosion is very different from that of slope farmland. Indoor runoff simulation plots are difficult to meet the requirements in terms of slope length, slope and accuracy. It is urgent to establish field simulation runoff plots on high and steep slopes to explore the loss process and hydrodynamic parameters, so as to promote the revealing of ...
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IPC IPC(8): G01N33/24
CPCG01N33/24
Inventor 李永红高照良唐林牛耀斌娄永才齐星园李玉亭婷武可心
Owner NORTHWEST A & F UNIV