Soil body tensile test device and soil body tensile test method

A tensile test and soil technology, applied in the direction of measuring devices, applying stable tension/pressure to test material strength, instruments, etc., can solve the problems of large dispersion of soil strength, achieve consistent soil strength, and ensure integrity sexual effect

Active Publication Date: 2021-10-22
SHIJIAZHUANG TIEDAO UNIV
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Problems solved by technology

[0004] The object of the present invention is to provide a soil tensile test device and a soil tensile test method, aiming at When soil nails are set in the model to realize the tensile effec

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  • Soil body tensile test device and soil body tensile test method

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Embodiment Construction

[0034] In order to make the technical problems, technical solutions and beneficial effects to be solved by the present invention clearer, the present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments. It should be understood that the specific embodiments described here are only used to explain the present invention, not to limit the present invention.

[0035] It should be noted that when an element is referred to as being “fixed to” or “fixed” to another element, it may be directly on the other element or there may be an intervening element. When an element is referred to as being "connected to" or "connected to" another element, it can be directly connected to the other element or intervening elements may also be present. When an element is referred to as being "disposed on" or "provided on" another element, it can be directly on the other element or intervening elements may also be present. The "connection" me...

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Abstract

The invention provides a soil body tensile test device and a soil body tensile test method, and belongs to the technical field of slope strength research, the soil body tensile test device comprises: a counterforce frame having a top plate and a bottom plate opposite to each other; a loading assembly which is matched with the top plate; a stress sensor which is connected with one end, close to the bottom plate, of the loading assembly; a displacement sensor which is arranged on the end face of the top plate close to the bottom plate; a fixed clamping seat which is connected with the stress sensor; a soil preparation assembly which comprises an upper matching sleeve detachably connected with the fixed clamping seat, at least two petal type side movable plates detachably connected with the upper matching sleeve, rubber films detachably arranged on the inner sides of the petal type side movable plates, and a lower matching sleeve detachably connected with the petal type side movable plates, at least two petal type side movable plates define a movable sleeve which is connected in the circumferential direction, and the lower matching sleeve is detachably connected to the bottom plate. When a soil body sample is manufactured and a tensile test is carried out, the purposes of manufacturing and stretching the soil body sample can be achieved by disassembling and assembling the soil manufacturing assembly.

Description

technical field [0001] The invention belongs to the technical field of slope strength research, and more specifically relates to a soil tensile test device and a soil tensile test method. Background technique [0002] Slope instability failure is a gradual change process of soil strength from tension failure to shear failure. Therefore, the study of soil tension strength is the key and basis for clarifying slope instability failure. The theoretical basis of slope stability analysis is the strength theory of soil. According to the deepening understanding of slope stability, a consensus has been reached on the fact that tension failure occurs near the top of the slope. However, the research on the theory of soil tensile strength is still in its infancy. At present, the main methods to determine the tensile strength of soil by test methods are divided into indirect method and direct method. The indirect method measures the fracturing strength of the sample by applying pressur...

Claims

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Application Information

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IPC IPC(8): G01N3/06G01N3/10
CPCG01N3/06G01N3/10G01N2203/0003G01N2203/0017G01N2203/0048
Inventor 尹超李舰王帅伟赵成刚王伟
Owner SHIJIAZHUANG TIEDAO UNIV
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