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Even construction device and operation method for three-dimensional random fracture in geotechnical engineering

A technology of geotechnical engineering and fissures, which is applied in the field of uniform construction devices, can solve problems such as difficult control of fissure direction, inclination and inclination, uncontrollable width and depth, and difficult realization of random fissures, so as to prevent material leakage and meet test requirements. Requirements, simple operation effect

Inactive Publication Date: 2014-02-26
SHANDONG UNIV
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Problems solved by technology

[0004] At present, the crack propagation test in geotechnical engineering mainly studies two-dimensional cracks, and there are few studies on three-dimensional cracks. It is difficult to realize random cracks, and it is difficult to control the direction, inclination and inclination of cracks.
The construction of cracks is difficult, and the width and depth are uncontrollable, which brings a lot of inconvenience to subsequent experiments and numerical calculations.

Method used

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  • Even construction device and operation method for three-dimensional random fracture in geotechnical engineering

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Embodiment Construction

[0027] Below in conjunction with accompanying drawing and example the present invention will be further described:

[0028] A uniform application device for three-dimensional random cracks in geotechnical engineering, including a frame 4, on the four sides of the front, rear, left and right of the frame 4, a ball table-shaped cutter shaft 5 is provided, and on the ball table-shaped In the radial direction of the cutter head rotating shaft 5 and on the frame around it, a circle of slit trend scale 6 is respectively provided; the axial direction of the ball table-shaped cutter head rotating shaft 5 is provided with a slit knife passing through it and reaching the inside of the frame. The disk 7 is provided with a cutter disk scale value 8 on the crack cutter disk 7 . In this device, there are scales around the rotating shaft of the cutter head, which can accurately record the azimuth of the direction of the fissure. The scale on the rotating shaft of the ball table can accuratel...

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Abstract

The invention particularly discloses an even construction device and an operation method for a three-dimensional random fracture in geotechnical engineering. The even construction device comprises a frame, wherein cutter rotating shafts are arranged at the front, rear, left and right sides of the frame; a circle of fracture trend scales are respectively arranged in the radial direction of each cutter rotating shaft and on the peripheral frame; a fracture cutter which passes through each cutter rotating shaft and achieves the internal part of the frame is arranged in the axial direction of each cutter rotating shaft; a cutter scale value is set on each fracture cutter. Scales are formed at the peripheries of the cutter rotating shafts in the device, so that the azimuth angle of the fracture trend can be accurately recorded. The scales are labeled on a table rotating shaft, so that the trend and the inclination size of the fracture can be accurately recorded, so as to prepare for subsequent calculation and other tests. The cutters pass through the rotating shafts, and can be inserted into a test specimen, and the scales are labeled on the cutters, so that the cutters can be easily replaced, the widths are controllable, and the fracture depth can be accurately determined.

Description

[0001] technical field [0002] The invention relates to a uniform application device and operation method for three-dimensional random cracks in geotechnical engineering. technical background [0003] Crack propagation test is an important means for geotechnical engineering to study the mechanical properties of rock and soil. By observing the crack expansion of rock and soil when it is compressed, the mechanical properties of cracked rock can be studied. [0004] At present, the crack propagation test in geotechnical engineering mainly studies two-dimensional cracks, and there are few studies on three-dimensional cracks. It is difficult to realize random cracks, and it is difficult to control the direction, inclination and inclination of cracks. The construction of cracks is difficult, and the width and depth are uncontrollable, which brings a lot of inconvenience to subsequent experiments and numerical calculations. Contents of the invention [0005] The purpose of the ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28
Inventor 王旌李术才李利平陈云娟石少帅周宗青许振浩张乾青
Owner SHANDONG UNIV
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