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Slope soil shear strength site test device and method

A technology of shear strength and on-site testing, which is applied in the direction of measuring devices, using stable shear force to test material strength, strength characteristics, etc., can solve the problems of backward shear strength testing devices and methods, and achieve saving labor costs, Simple structure and improved accuracy

Inactive Publication Date: 2016-09-28
SHANXI PROVINCIAL RES INST OF COMM +1
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to overcome the backwardness of the existing on-site shear strength test device and method of the slope, and provide a field test device and method for the shear strength of the slope soil, which can quickly and efficiently test the shear strength of the slope soil. Field test of shear strength, real-time and accurate measurement, thus improving the level of scientific research

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Embodiment

[0026] Such as Figure 1 ~ Figure 2 Shown, a kind of slope soil body shear strength on-the-spot testing device comprises cuboid frame 1, and cuboid frame 1 of present embodiment is long and is 113.5cm, and width is 80cm, and height is 60cm, and cuboid frame 1 is welded by steel plate, High strength, can withstand a certain load. A cuboid soil frame is arranged in the frame of the cuboid frame 1, and the cuboid soil frame is used to coordinately place the cuboid soil body 11. The cuboid soil frame consists of a thin steel plate A3, a thin steel plate B12 and two thin steel side plates. Rectangular frame structure, thin steel plate A3 and thin steel plate B12 are parallel to each other front and back, two thin steel side plates are parallel to each other left and right, one thin steel plate A3, one thin steel plate B12, and two thin steel side plates are four steel plates of the same size, The length of the steel plate is 50cm, the height of the steel plate is 30cm, and the thi...

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Abstract

The invention discloses a slope soil shear strength site test device and method. The device comprises a cuboid framework, wherein a cuboid soil mass frame is arranged in the framework body of the cuboid framework, the cuboid soil mass frame is of a cuboid frame structure formed by a steel sheet A, a steel sheet B and two side steel sheets, the steel sheet A is parallel to the steel sheet B, and the two side steel sheets are parallel to each other; jacks are installed between the inner wall of the cuboid framework and the outer wall of the steel sheet A closely and correspondingly, and located on the upper portion of the cuboid framework and the upper portion of the cuboid soil mass frame; a fixed rod is arranged on the inner wall of the cuboid framework, a forcemeter is installed on the fixed rod and provided with a dowel bar, and the end of the dowel bar of the forcemeter is fixedly connected with the outer wall of the steel sheet B; a dividing ruler is arranged on the upper portion of the cuboid framework. By the adoption of the device, slope soil shear strength site real-time testing of different types of slope soil can be achieved. Furthermore, the device has the advantages of being simple in structure and low in machining cost.

Description

technical field [0001] The invention relates to the technical field of geotechnical field tests, in particular to a field test device and a test method for the shear strength of slope soil. Background technique [0002] Shear strength is the ability of soil to resist external loads, the basic index for evaluating slope stability, and the key content of slope stability evaluation and prediction. The complexity and location of geological processes in the process of slope soil formation Due to the particularity of the stress state, the structural characteristics and physical and mechanical properties of the slope soil are quite different from those of other parts of the road engineering, showing significant discreteness and variability. How to conduct accurate field analysis of the slope soil The shear strength test is a difficult problem in the study of slope stability. [0003] The existing slope soil shear strength test device is mainly an indoor direct shear instrument, wh...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/24G01N1/28G01N3/02
CPCG01N3/24G01N1/28G01N3/02G01N2203/0025
Inventor 员康锋张军王国忠孙志杰
Owner SHANXI PROVINCIAL RES INST OF COMM
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