Similar material dyeing distinguishing method of visual geomechanical model experiment

A similar material and model test technology, applied in the field of visual geomechanics model test similar material dyeing distinction, can solve the problem of small difference and can not meet the requirements of distinction, etc., to achieve the effect of convenient distinction, easy implementation, and obvious contrast

Inactive Publication Date: 2015-04-29
SHANDONG UNIV
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Problems solved by technology

The difference in color and other visual characteristics between different proportions of the same material

Method used

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  • Similar material dyeing distinguishing method of visual geomechanical model experiment

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[0013] The present invention will be further explained below in conjunction with the drawings and the geomechanical model test of a large-scale collapse column of a coal mine.

[0014] Such as figure 1 Said, a method for distinguishing dyeing of similar materials in a visual geomechanical model test includes the following steps:

[0015] (1) Determine the coloring agent, and use the coloring agent carbon black, iron red, iron green for the fluid-solid coupling similar materials in the model test;

[0016] (2) Add dyeing agent carbon black to similar materials of simulated coal, and carbon black accounts for 5% of the mass percentage of similar materials; add dyeing agent iron red to similar materials of simulated sandstone, and iron red accounts for 4% of the mass percentage of similar materials , The dyeing agent iron green is added to the similar material that simulates the aluminum mudstone, and iron green accounts for 8% of the mass percentage of the similar material. Weigh the...

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Abstract

The invention discloses a similar material dyeing distinguishing method of a visual geomechanical model experiment. The method has the advantages of being easy and visual, obvious in comparison, convenient in distinguishing and easy to implement. The method comprises the steps of determining coloring agents according to the experimental design requirements, wherein the different color agents are selected by similar materials with different parameter ratios; feeding the corresponding coloring agents into the solid materials of the similar materials, evenly mixing, then feeding liquid material, and evenly mixing, wherein the mass of each coloring agent accounts for 3-10% of the mass of the corresponding similar material by mass percent; sending the mixture of the evenly mixed similar materials and the coloring agents into a model frame according to the test requirements, and filling a model body; carrying out the model test.

Description

technical field [0001] The invention relates to a dyeing and distinguishing method for similar materials in a visualized geomechanics model test. Background technique [0002] With the development of my country's economy and science and technology, submarine tunnels crossing faults, cross-river tunnels, deep-buried large-section tunnels and underground powerhouse caverns in karst areas in transportation and water conservancy construction are becoming more and more common. The level of theoretical development and the existing monitoring technology are limited, and many technical problems need to be solved urgently. As a powerful means to explore the corresponding laws of rock and soil during construction and operation, geomechanics model test has been recognized by many experts. Realize the real simulation of on-site working conditions through model tests, and draw conclusions that can guide the safe and smooth progress of on-site construction. [0003] At present, many scie...

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Application Information

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IPC IPC(8): G01N1/30
Inventor 王康陈迪杨李术才李利平许振浩张乾青石少帅周宗青
Owner SHANDONG UNIV
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