Surface pore filling method for rock model structural surface

A technology of model structure and rock model, applied in the engineering field, can solve the problems of large porosity and low measurement accuracy of the roughness coefficient of the structure surface, and achieve the effect of short operation time and convenient operation.

Active Publication Date: 2015-07-22
SHAOXING UNIVERSITY
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  • Abstract
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Problems solved by technology

[0003] In order to overcome the shortcomings of the existing rock model samples with large porosity and low measurement accuracy of the structural surface roughness coefficient, the invention provides a rock model structural surface surface that can effectively fill the pores and improve the measurement accuracy of the structural surface roughness coefficient. Pore ​​filling method

Method used

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Embodiment Construction

[0019] The present invention will be further described below.

[0020] A method for filling pores on the surface of a rock model structural plane, the filling method comprising the following steps:

[0021] (1) Surface cleaning and maintenance of the structural surface of the model:

[0022] After the structural surface of the model is completed and reaches the final setting, the surface of the structural surface of the model is cleaned, and the surface of the structural surface is maintained by the natural maintenance method, so that the surface of the structural surface is in a state of heat preservation and maintenance;

[0023] (2) The surface pores of the structural surface of the model are filled at one time, and the process is as follows:

[0024] (2.1) Moisture of the pores: After the curing is completed, completely wet the surface of the structural surface in the state of heat preservation and maintenance, so that the surface pores are filled with water; then use a d...

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Abstract

The invention discloses a surface pore filling method for a rock model structural surface. The surface pore filling method comprises the following steps: (1) cleaning and maintaining the model structural surface; (2) filling surface pores of the model structural surface at one time, (2.1) after maintenance, completely moistening the structural surface under the heat-preservation maintenance state, enabling the surface pores to be filled with moisture, then using a dry towel to wipe off the surface moisture, and only enabling the surface pores to retain the moisture, (2.2) filling the pores on the surface, and (2.3) till the coagulation cycle, using the dry towel to slightly wipe off a part of powdered binding material powder on the surface again, covering the surface of the structural surface with a maintenance tool, and enabling the structural surface to be under the water retention state; (3) filling the pores on the model structural surface for the second time: till the filling cycle, repeating the steps (2.1) to the step (2.3), filling the pores which are not completely filled up for the second time, and completing the pore filling of the structural surface. The surface pore filling method disclosed by the invention can effectively fill the pores and promote the roughness coefficient measurement accuracy of the structural surface.

Description

technical field [0001] The invention belongs to the technical field of engineering, and relates to a method for filling pores on the surface of a rock model structural surface, which is suitable for making rock model structural surface samples with similar surface shapes. Background technique [0002] It is an important test method to obtain mechanical parameters such as the shear strength of rock structural surfaces in engineering by making model samples with similar materials instead of the original rock structural surfaces for direct shear tests. Since the cementitious materials such as active powder concrete are more consistent with rock materials in the failure relationship, and can better simulate the undulations of rock structural surfaces, cementitious materials such as active powder concrete are often used in engineering to make simulated structural surfaces. The roughness coefficient and shear strength parameters of the structural plane of the original rock are obt...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N1/28G01N3/24
Inventor 杜时贵黄曼罗战友雍睿胡云进钟振何智海
Owner SHAOXING UNIVERSITY
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