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Solid-liquid coupling physical similarity simulation experiment material, and preparation method thereof

A technology for physical similarity simulation and experimental materials, which is applied in the field of solid-liquid coupling physical similarity simulation experimental materials and their preparation. High-grade, simple maintenance effect

Inactive Publication Date: 2019-09-03
XIAN UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Therefore, it is particularly important to make solid-liquid coupling similar materials with physical properties and water properties similar to those of the prototype. In the past, there were few solid-liquid coupling similar materials used in the mine field, and it was difficult for these materials to satisfy the solid-liquid two-phase properties and simulation The similarity is low, the production process is complicated, and there are safety hazards in the production process

Method used

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  • Solid-liquid coupling physical similarity simulation experiment material, and preparation method thereof
  • Solid-liquid coupling physical similarity simulation experiment material, and preparation method thereof
  • Solid-liquid coupling physical similarity simulation experiment material, and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0028] The preparation process of the test piece is as follows:

[0029] Step 1. Using an electronic scale, weigh river sand, cement, white powder, starch, and liquid paraffin according to the weight ratio; in this embodiment, weigh: 100 parts of river sand, 8 parts of cement, and 2 parts of white powder. 2 parts starch, 2 parts liquid paraffin. Weigh 100g of river sand, 8g of cement, 2g of white powder, 2g of starch, and 2g of liquid paraffin.

[0030] Step 2: Put the river sand, cement, white powder and starch weighed in step 1 in a container or mixer to mix and mix them evenly;

[0031] Step 3. Add liquid paraffin to the materials uniformly stirred in Step 2, according to the weight ratio, and then add water to the materials uniformly stirred in Step 2, and then fully stir it manually or through a mixer; the water added here mainly starts The role of fusion and blending of various materials, the proportion of water added generally accounts for 5%-10% of the total mass of the mat...

Embodiment 2

[0042] The preparation process of the test piece is as follows:

[0043] Step 1. Using an electronic scale, weigh river sand, cement, white powder, starch, and liquid paraffin according to the weight ratio; in this example, weigh: 100 parts of river sand, 10 parts of cement, and 2 parts of white powder. 2 parts starch, 2 parts liquid paraffin. Take 100g of river sand, 10g of cement, 2g of white powder, 2g of starch, and 2g of liquid paraffin.

[0044] Step 2: Put the river sand, cement, white powder and starch weighed in step 1 in a container or mixer to mix and mix them evenly;

[0045] Step 3. Add liquid paraffin to the materials uniformly stirred in Step 2, according to the weight ratio, and then add water to the materials uniformly stirred in Step 2, and then fully stir it manually or through a mixer; the water added here mainly starts The role of fusion and blending of various materials, the proportion of water added generally accounts for 5%-10% of the total mass of the mater...

Embodiment 3

[0053] The preparation process of the test piece is as follows:

[0054] Step 1. Using an electronic scale, weigh river sand, cement, white powder, starch, and liquid paraffin according to the weight ratio; in this example, weigh: 100 parts of river sand, 8 parts of cement, 4 parts of white powder, 2 parts starch, 2 parts liquid paraffin. Take 100g of river sand, 8g of cement, 4g of white powder, 2g of starch, and 2g of liquid paraffin.

[0055] Step 2: Put the river sand, cement, white powder and starch weighed in step 1 in a container or mixer to mix and mix them evenly;

[0056] Step 3. Add liquid paraffin to the materials uniformly stirred in Step 2, according to the weight ratio, and then add water to the materials uniformly stirred in Step 2, and then fully stir it manually or through a mixer; the water added here mainly starts The role of fusion and blending of various materials, the proportion of water added generally accounts for 5%-10% of the total mass of the materials w...

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Abstract

The invention discloses a solid-liquid coupling physical similarity simulation experiment material. The solid-liquid coupling physical similarity simulation experiment material is mainly prepared fromthe following raw materials according to parts by weight: 100 parts of river sand, 8-10 parts of cement, 2-4 parts of talc powders, 2-4 parts of starch, and 2-4 parts of liquid paraffin. The invention further discloses a preparation method of the solid-liquid coupled physical analog simulation experiment material. The solid-liquid coupling physical similarity simulation experiment material disclosed by the invention has the advantages of extensive sources of the raw materials, low cost, environmental friendliness, nontoxicity, high convenience in manufacturing, high easiness in forming, quicksolidification, stable mechanical performances, high fragility and high hydrophobicity; and the proportioning ratio of the material can be adjusted to change the mechanical properties and the water-physical properties of the material, so that the properties of large-scale rocks can be simulated, the solid mechanical properties and the permeability can be simultaneously simulated, and the simulation similarity is high.

Description

Technical field [0001] The invention belongs to the technical field of similar materials, and specifically relates to a solid-liquid coupling physical similarity simulation experiment material and a preparation method thereof. Background technique [0002] Mine water hazards have been affecting the safe and efficient mining of coal mines for many years, and have brought serious economic losses to coal enterprises. It is of great practical and long-term significance to study the mechanism of coal mine water inrush and water resources damage and prevent it. However, due to the complexity of the geological environment and the structure of the rock mass, the past research still has major limitations. It is unable to grasp the law of phreatic migration in shallow coal seams, and lacks effective simulation research methods and methods. The solid-liquid coupling similar simulation experiment research method is one of the keys to breakthrough this research field. It has unique advantages...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N3/00G01N3/08G01N9/02G01N5/04G01N15/08G01N1/28G01N1/38G01N1/36
CPCG01N1/286G01N1/36G01N1/38G01N3/00G01N3/08G01N5/04G01N9/02G01N15/08G01N2001/366G01N2009/024G01N2203/0017
Inventor 张杰蔡维山杨涛陈诚蔡宝山
Owner XIAN UNIV OF SCI & TECH
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