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Manufacturing method of rock cross fracture simulation model

A simulation model and cross-crack technology, applied in teaching models, suspension and porous material analysis, instruments, etc., can solve problems such as inapplicable crack network flow laws, and achieve accurate disassembly and assembly functions, simple procedures, and high precision. Effect

Inactive Publication Date: 2020-08-07
WUHAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, this simple model is not yet suitable for studying the flow laws in complex structures such as fracture networks.

Method used

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  • Manufacturing method of rock cross fracture simulation model
  • Manufacturing method of rock cross fracture simulation model
  • Manufacturing method of rock cross fracture simulation model

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0038] Such as Figure 1-5 As shown, a method for making a rock cross-crack simulation model includes the following steps:

[0039] 1) Obtain rough rock fracture structure plane

[0040] Artificial rough surface is made (in other embodiments also can choose to have the stone material of natural rough surface), choose the rock of standard cuboid size (long L, wide W, high H), adopt the hammer of lychee bark on the stone material surface (L× W face) knocking, make stone material surface form the rough surface that is shaped like lychee bark, obtain desired rock. By artificially selecting the surface structure of the percussion hammer, controlling and adjusting the percussion density and strength, the rough structure surface required for research can be obtained.

[0041] 2) Copy the rock fracture structure plane

[0042] The rock structural surface is re-engraved using the current mature silica gel molding technology to form a silica gel model mold. After the silicone sample...

Embodiment 2

[0054] Such as Figure 1-5 As shown, a method for making a rock cross-crack simulation model includes the following steps:

[0055] 1) Obtain rough rock fracture structure plane

[0056] Manufactured by artificial rough surface, select the standard cuboid size (length 20cm, width 20cm, height 5cm) of the stone, use the hammer of lychee skin to knock on the surface of the stone (20cm×20cm surface), so that the surface of the stone forms a rough surface shaped like lychee skin , to get the required rock 7. By artificially selecting the surface structure of the percussion hammer, controlling and adjusting the percussion density and strength, the rough structure surface required for research can be obtained.

[0057] 2) Copy the rock fracture structure plane

[0058] The rock structural surface is re-engraved by the current mature silica gel mold turning technology to form a silica gel model mold 8. After the silicone sample mold 8 is completely cured, the rock 7 is taken out,...

Embodiment 3

[0064] The difference between this embodiment and embodiments 1 and 2 is that the upper block 2 or the lower block 3 forming the horizontal fissure does not contain a joint surface, and only one side of the horizontal fissure has a rough joint surface.

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Abstract

The invention relates to a manufacturing method of a transparent simulation fracture mold, in particular to a manufacturing method of a rock cross fracture simulation model, which comprises the following steps of: (1) obtaining a rough rock fracture structure surface; (2) re-etching the rough structural surface of the stone to obtain a sample plate mold, pouring transparent resin into the sample plate mold, and after the transparent resin is completely cured, taking out the transparent resin to form a transparent simulation model thin plate with a rough joint surface; (3) constructing an assembled fracture cross structure, wherein the vertical cracks and the horizontal cracks are crossed with each other to form crossed cracks; and (4) adopting the two first supporting arms and the two second supporting arms for clamping respectively, so that the overall fixation of the simulation mold is realized. According to the manufacturing method, the roughness of the cracks is controllable, manufacturing is easy, and the cost is low; a rock fracture structural plane is copied with high precision on fracture characteristics, and the functions of adjustable fracture opening degree and accuratedisassembly and assembly are achieved on model assembly.

Description

technical field [0001] The invention relates to a method for manufacturing a transparent simulation fissure mold, in particular to a method for manufacturing a rock cross-fissure simulation model. Background technique [0002] Under the action of long-term geological structure and human engineering activities, a large number of cracks have been formed in the underground rock mass. The intersecting of fissures and fissures makes underground fissures form a complex network structure. The existence of intersecting structures and networks of fractures provides channels for the rapid flow of underground fluids. In many underground projects, seepage damage is often the key factor causing engineering failures in many fields, such as leakage of underground oil depots, migration of pollutants with rainwater, etc. Therefore, seepage law in underground fissures has always been a core scientific issue in the field of geotechnical engineering. [0003] At present, most of people's rese...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): G01N15/08G09B23/40
CPCG01N15/08G09B23/40
Inventor 杨志兵周泽雄薛松陈益峰
Owner WUHAN UNIV
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