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Device and method for measuring erosion resistance of soil slopes under rainfall erosion conditions

A soil slope and anti-erosion technology, applied in the direction of measuring devices, weather resistance/light resistance/corrosion resistance, instruments, etc., can solve the problems of incomplete and correct reflection of actual problems, high cost, complicated and cumbersome tests, etc.

Active Publication Date: 2018-09-14
SHANXI PROVINCIAL RES INST OF COMM +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The on-site rainfall test can complete the analysis of the slope scour problem more realistically, but the rainfall mechanism and rainfall size and form are somewhat different from natural rainfall, which cannot completely and correctly reflect the actual problem, and the test is complicated and expensive.

Method used

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  • Device and method for measuring erosion resistance of soil slopes under rainfall erosion conditions
  • Device and method for measuring erosion resistance of soil slopes under rainfall erosion conditions
  • Device and method for measuring erosion resistance of soil slopes under rainfall erosion conditions

Examples

Experimental program
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Effect test

Embodiment 1

[0093] equipment

[0094] Bracket combination: It consists of an inner cylindrical support frame, an outer cylindrical support frame, a horizontal connection frame, a vertical connection frame and a sliding gear. The height of the inner cylindrical support frame is greater than that of the outer cylindrical support frame. The inner cylindrical support frame consists of 4 It is composed of two vertical connecting brackets and two rings. The outer cylindrical support frame is rigidly connected with the sliding gear through a horizontal connection frame, and the horizontal connection frame and the vertical connection frame are connected through a slidable gear. The vertical connection frame can move up and down freely, and has fixed scale lines on it.

[0095] Metal grid with mesh: the mesh area is generally 1cm 2 (It can be larger, but not too small), the square grid is welded by metal steel wires, with a smooth surface and a circular cross-sectional shape (not rectangular);

[0096] ...

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Abstract

The invention provides a device and method for measuring the etching-resistant performance of a soil slope under the rainfall flushing condition. The device comprises an external cylindrical support frame, an internal cylindrical support frame, a metal square net with meshes, a vertical connecting support frame, a container in a shape like a Chinese character 'ao' and a balance, wherein a transverse connecting support frame is arranged on the top of the external cylindrical support frame along the radial direction of the external cylindrical support frame; the internal cylindrical support frame is inserted from the top of the external cylindrical support frame and is fixedly connected with the external cylindrical support frame through the transverse connecting support frame; the vertical connecting support frame is arranged inside the internal cylindrical support frame and moves along the axial direction of the internal cylindrical support frame; the external cylindrical support frame covers the outside of the balance; the container in the shape like a Chinese character 'ao' is arranged on the balance; the metal square net with the meshes is arranged at the bottom of the vertical connecting support frame and is arranged in the container in the shape like a Chinese character 'ao' in a suspended way. The device and the method have the advantages that laboratory equipment is effectively used for evaluating the anti-erosion performance of the soil slope; the field experiment work load is reduced; the cost is reduced.

Description

Technical field [0001] The invention belongs to the field of civil engineering, and relates to a device and method for measuring the erosion resistance of a soil slope, in particular to a device and method for measuring the erosion resistance of a soil slope under the condition of rain erosion. Background technique [0002] As building materials for slope engineering, road engineering, and dike engineering, the soil is directly exposed to the atmosphere. The moisture content of the soil is affected by environmental changes, precipitation, water level alternation, etc. The surface soil of the slope is prone to erosion, spalling and erosion, so that it ruptures and spalls and reduces the stability of the project. Different from rock slopes, the most common disease of soil slopes is slope surface problems. With large-scale civil engineering construction, slope diseases, local landslides and overall landslides caused by the decline of soil slope slopes' anti-corrosion performance In...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N17/00
CPCG01N17/00
Inventor 董立山孙志杰赵建斌张军隋来才
Owner SHANXI PROVINCIAL RES INST OF COMM
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