Preparation and sampling method for rock-like samples for analog simulation of composite rock formation

A technology similar to simulation and rock samples, applied in the preparation of test samples, sampling devices, etc., can solve the problems of obtaining rock samples of natural layered composite rock formations, and achieve simple and convenient pouring, meet the test requirements, and disassemble convenient effect

Active Publication Date: 2015-05-20
CHINA UNIV OF MINING & TECH
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  • Claims
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Problems solved by technology

[0003] Technical problem: the object of the present invention is to provide a kind of easy processing, simple sampling and convenient operation for the preparation of rock-like

Method used

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  • Preparation and sampling method for rock-like samples for analog simulation of composite rock formation
  • Preparation and sampling method for rock-like samples for analog simulation of composite rock formation
  • Preparation and sampling method for rock-like samples for analog simulation of composite rock formation

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Example Embodiment

[0022] An embodiment of the present invention will be further described below in conjunction with the accompanying drawings:

[0023] The method of the present invention for preparing and sampling rock-like samples for similar simulation of composite rock formations is as follows:

[0024] a. Assemble the mold, and prepare at least two different materials of similar materials that simulate composite rock formations. The assembly mold is composed of a square bottom plate and a box 4 formed by a baffle fixed around the square bottom plate by bolts, such as figure 1 As shown, the two side baffles of the box body 4 are spaced symmetrically with a plurality of grooves into which the partitions 5 can be inserted; the width of the grooves on the two side baffles is 1mm, the groove depth is 0.5mm, and the partitions The thickness of 5 is 0.8mm;

[0025] b. According to the needs of the experiment, insert 1-25 partitions 5 into the grooves in the baffles on both sides of the box 4, and divide...

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Abstract

A preparation and sampling method for rock-like samples for analog simulation of a composite rock formation comprises the following steps: assembling a mould, inserting partition boards in the assembled mould, pouring similar materials into interlayers among the inserted partition boards, and drawing out the partition boards after initial setting of the poured materials so that the multiple layers of poured materials are naturally contacted and condensed into a whole; disassembling the mould after natural contact and condensation of the multiple layers of poured materials, and placing a formed rock-like test cube in water so that the test cube is cured to reach predetermined strength; and finally, fixing the test cube on a special platform which can rotate vertically, and taking standard test samples of different rock formation angles by drilling with a rock sampling machine. According to the method, the mould is easy to process and simple, convenient and easy to operate, and composite rock formation rock-like samples with different sizes and properties, can be obtained.

Description

technical field [0001] The invention relates to a method for preparing a rock-like sample for similar simulation of composite rock formations, and is especially suitable for preparing and sampling similar simulation samples for studying the mechanical characteristics of composite rock formations in tests such as uniaxial compression and triaxial compression. Background technique [0002] In the field of rock mechanics, layered composite rock is a frequently encountered geological body, and its mechanical properties have always been the focus of research by many scholars. Considering that it is difficult to obtain ideal composite rock test blocks in real rock materials, composite rock test models can be made by preparing rock-like model materials, and the key point of making such rock models is to allow different mechanical properties A variety of similar materials are combined according to the test requirements to form a layered composite rock model with alternating layers. ...

Claims

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Application Information

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IPC IPC(8): G01N1/28G01N1/08
Inventor 杨圣奇殷鹏飞
Owner CHINA UNIV OF MINING & TECH
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