Model test material used for simulating phosphorous deposit soft interbed and preparation method thereof

A model test material and interlayer technology, applied in the field of material science, can solve the problems of inability to simulate ductility characteristics, low strength and elastic modulus, affecting material stability, etc. High-quality effect

Active Publication Date: 2013-03-20
YUNNAN PHOSPHATE CHEM GROUP CORP
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0007] 2. MIB material developed by Han Boli, Wuhan University of Water Resources and Electric Power [Han Boli, Chen Xialing, Ning Yile, etc. Research on similar materials for rock mass [J]. Journal of Wuhan University of Water Resources and Electric Power, 1997, 30 (2): 6-9], China Materials developed by Chinese patents 200910061808.X, 201110225121.8 and 201110225644.7, and materials developed by Du Shigui of Zhejiang Industrial Vocational Technical College [Du Shigui, Huang Man, Luo Zhanyou, etc. Research on similar materials for mechanical prototype tests of rock structural surfaces[J]. Chinese Journal of Rock Mechanics and Engineering , 2010, 29 (10): 2263-2270], materials developed by Li Shuchen of Shandong University [Li Shuche

Method used

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  • Model test material used for simulating phosphorous deposit soft interbed and preparation method thereof

Examples

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Effect test

Embodiment 1

[0033] A model test similar material for simulating the soft interlayer of phosphate rock beds, its mass components are: 6 parts of 120 mesh natural dry fine river sand, 0.6 part of 800 mesh gypsum powder for construction, 0.9 part of 600 mesh heavy calcium carbonate powder 0.2 part of pine sawdust powder, 0.1 part of industrial alcohol, 0.1 part of edible gelatin, 0.2 part of clay, and 1.8 part of water.

[0034] The preparation method comprises the following steps:

[0035] 1) Strictly weigh 120 mesh natural dry fine river sand, 800 mesh construction gypsum powder, 600 mesh heavy calcium carbonate powder, pine sawdust powder, edible gelatin, and clay in strict proportion;

[0036] 2) Pour the raw materials described in 1) into the blender and stir well, and stir evenly for 10 minutes;

[0037] 3) Strictly weigh industrial alcohol with a purity of 75% according to the proportion, and add it to the mixture described in 2), and make further thorough stirring, and stir evenly f...

Embodiment 2

[0042] A model test similar material for simulating the soft interlayer of phosphate rock beds, its mass components are: 6 parts of 120 mesh natural dry fine river sand, 0.8 part of 800 mesh construction gypsum powder, 0.9 part of 600 mesh heavy calcium carbonate powder 0.1 part of pine sawdust powder, 0 part of industrial alcohol (step 3 is a weighing process with alcohol), 0.1 part of edible gelatin, 0.3 part of clay, and 1.8 parts of water.

[0043] The preparation method comprises the following steps:

[0044] 1) Strictly weigh 120 mesh natural dry fine river sand, 800 mesh construction gypsum powder, 600 mesh heavy calcium carbonate powder, pine sawdust powder, edible gelatin, and clay in strict proportion;

[0045] 2) Pour the raw materials described in 1) into the blender and stir well, and stir evenly for 10 minutes;

[0046] 3) Strictly weigh industrial alcohol with a purity of 75% (0 parts of alcohol?) according to the proportion, and add it to the mixture described...

Embodiment 3

[0051] A model test similar material for simulating the soft interlayer of phosphate rock beds, its mass components are: 6 parts of 120 mesh natural dry fine river sand, 0.8 part of 800 mesh construction gypsum powder, 1.2 parts of 600 mesh heavy calcium carbonate powder 0.1 part of pine sawdust powder, 0.1 part of industrial alcohol, 0.1 part of edible gelatin, 0.2 part of clay, and 2.0 parts of water.

[0052] The preparation method comprises the following steps:

[0053] 1) Strictly weigh 120 mesh natural dry fine river sand, 800 mesh construction gypsum powder, 600 mesh heavy calcium carbonate powder, pine sawdust powder, edible gelatin, and clay in strict proportion;

[0054] 2) Pour the raw materials described in 1) into the blender and stir well, and stir evenly for 10 minutes;

[0055] 3) Strictly weigh industrial alcohol with a purity of 75% according to the proportion, and add it to the mixture described in 2), and make further thorough stirring, and stir evenly for...

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Abstract

The invention relates to model test material used for simulating phosphorous deposit soft interbed and a preparation method of the model test material. The model similar material comprises, by weight, the following components of 6 portions of natural dried fine river sand with a screen number of 120, 0.6-0.8 portion of building-used gypsum powder of a screen number of 800, 0.9-1.2 portions of ground calcium carbonate powder of a screen number of 600, 0.1-0.2 portion of pine sawdust powder, 0-0.1 portion of industrial alcohol, 0-0.1 portion of edible gelatine, 0.2-0.3 portion of clay, and 1.8-2.0 portions of water. The invention further discloses the preparation method of the material. Strength and elasticity modulus of the similar material are both low, ductility is strong, and Poisson is large. Moreover, the used materials are wide in source and free of poisonous impurities and pollution. The model test material used for simulating phosphorous deposit soft interbed is simple in preparation process, high in preparation efficiency, low in cost and capable of being taken as relatively ideal similar material of a model test of the simulating phosphorous deposit soft interbed.

Description

technical field [0001] The invention relates to a model test similar material for simulating the soft interlayer of a phosphate rock bed and a preparation method thereof, belonging to the technical field of material science. The similar material is mainly used in the model test research of similar material in the underground mining of phosphate deposits. Background technique [0002] At present, the research of mining engineering mainly relies on four methods: theoretical research, similar material model test, numerical analysis and field engineering measurement. Theoretical research is often constrained by various assumptions of ideal conditions, and the results obtained are quite different from the real situation; numerical analysis is based on ideal theoretical axioms, which are often restricted for mine engineering with complex geological conditions; Due to the existing mining and measuring instrument conditions, it is impossible to obtain enough data, and at the same t...

Claims

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Application Information

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IPC IPC(8): C04B28/14
Inventor 李耀基李小双王清生何林阳杨王孟来赵雷王建勇李铭辉
Owner YUNNAN PHOSPHATE CHEM GROUP CORP
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