Fault analog simulation material used for fluid-solid coupling model test and preparation method thereof

A technology of coupled model and similarity simulation, applied in the field of material science, which can solve the problems of rare material ratio of similar faults, rarely considering the water characteristics of materials, and difficult to respond to seepage changes.

Inactive Publication Date: 2013-07-03
SHANDONG UNIV
View PDF2 Cites 22 Cited by
  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there are many obvious deficiencies in the current underground engineering model tests, especially in the research and development of similar materials. In the past, most of them focused on the similarity of simulated physical characteristics, and rarely considered the characteristics of materials in water.
Although very few consider the fluid-solid coupling effect, in the model test, only a similar material of surrounding rock is often used, which is relatively uniform, and it is difficult to reflect the seepage change under complex geological conditions, such as the surrounding rock and fault in the case of faults. seepage flow and some other stress-displacement differences
The research and development of similar materials for surrounding rocks is relatively common, but the proportion of similar materials for faults is very rare

Method used

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
View more

Image

Smart Image Click on the blue labels to locate them in the text.
Viewing Examples
Smart Image
  • Fault analog simulation material used for fluid-solid coupling model test and preparation method thereof
  • Fault analog simulation material used for fluid-solid coupling model test and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0031] Example 1 Preparation of similar materials for simulating faults in fluid-solid coupling model tests

[0032] The raw materials are as follows: 1 part of quartz sand, 0.12 part of talcum powder, 0.08 part of gypsum powder, 0.09 part of vaseline, and 0.13 part of water.

[0033] The preparation method is:

[0034] 1) Weigh quartz sand, gypsum powder, talcum powder, vaseline and mixing water in strict proportion;

[0035] 2) Mix the three fine-grained materials of quartz sand, gypsum powder and talcum powder and stir evenly;

[0036] 3) Add the weighed mixing water and stir thoroughly;

[0037] 4) Heat the vaseline to 55°C to melt it into a liquid state;

[0038] 5) Mix the liquid petroleum jelly with the material obtained in step 3), and stir well;

[0039] 6) Cool at room temperature for 5 minutes, ready to serve.

[0040] The stress-strain of the obtained material under uniaxial compressive condition is as follows: figure 1 As shown, it reflects the change proces...

Embodiment 2

[0041] Example 2 Preparation of similar materials for simulating faults in fluid-solid coupling model tests

[0042] The raw material composition is: 1 part of quartz sand, 0.18 part of talcum powder, 0.07 part of gypsum powder, 0.1 part of vaseline, and 0.12 part of water.

[0043] The preparation method is:

[0044] 1) Weigh quartz sand, gypsum powder, talcum powder, vaseline and mixing water in strict proportion;

[0045] 2) Mix the three fine-grained materials of quartz sand, gypsum powder and talcum powder and stir evenly;

[0046] 3) Add the weighed mixing water and stir thoroughly;

[0047] 4) Heat the vaseline to 55°C to melt it into a liquid state;

[0048] 5) Mix the liquid petroleum jelly with the material obtained in step 3), and stir well;

[0049] 6) Cool at room temperature for 5 minutes, ready to serve.

Embodiment 3

[0050] Example 3 Preparation of similar materials for simulating faults in fluid-solid coupling model tests

[0051] The raw materials are as follows: 1 part of quartz sand, 0.08 part of talcum powder, 0.12 part of gypsum powder, 0.13 part of vaseline, and 0.1 part of water. The preparation method is:

[0052] 1) Weigh quartz sand, gypsum powder, talcum powder, vaseline and mixing water in strict proportion;

[0053] 2) Mix the three fine-grained materials of quartz sand, gypsum powder and talcum powder and stir evenly;

[0054] 3) Add the weighed mixing water and stir thoroughly;

[0055] 4) Heat the vaseline to 55°C to melt it into a liquid state;

[0056] 5) Mix the liquid petroleum jelly with the material obtained in step 3), and stir well;

[0057] 6) Cool at room temperature for 5 minutes, ready to serve.

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

PUM

PropertyMeasurementUnit
particle diameteraaaaaaaaaa
Login to view more

Abstract

The invention discloses a fault analog simulation material used for a fluid-solid coupling model test, which comprises components in parts by weight as follows: 1 part of quartz sand, 0.05-0.25 part of talcum powder, 0.05-0.15 part of gypsum powder, 0.08-0.2 part of Vaseline and 0.1-0.2 part of water. The material adopts gypsum as a cementing agent, so as to achieve simulation for fault fluid-solid coupling characteristics; the talcum powder and the quartz sand are adopted as conditioning agents to regulate the weight of the material; and the Vaseline is adopted as a water resistant agent to regulate permeability of the material, simultaneously adopted as a plastic cementing agent of the material, and used for simulating the fault fluid-solid coupling characteristics under different permeability conditions, and real-time comparison with surrounding rock fluid-solid coupling characteristics in the same experiment is achieved. The fault analog simulation material in the fluid-solid coupling model test disclosed by the invention can regulate the strength and the permeability of the material within a larger range, and simulate various types of faults at various levels of intensity.

Description

technical field [0001] The invention relates to a fault similar simulation material used for fluid-solid coupling model tests and a preparation method thereof, belonging to the technical field of material science. Background technique [0002] At present, many scholars use a large number of geomechanical model tests to study the optimization of underground engineering design and construction methods, and explore the mechanical laws of the construction process. However, there are many obvious deficiencies in the current underground engineering model tests, especially in the research and development of similar materials. In the past, most of them focused on the similarity of simulated physical characteristics, and rarely considered the characteristics of materials in water. Although very few consider the fluid-solid coupling effect, in the model test, only a similar material of surrounding rock is often used, which is relatively uniform, and it is difficult to reflect the seep...

Claims

the structure of the environmentally friendly knitted fabric provided by the present invention; figure 2 Flow chart of the yarn wrapping machine for environmentally friendly knitted fabrics and storage devices; image 3 Is the parameter map of the yarn covering machine
Login to view more

Application Information

Patent Timeline
no application Login to view more
Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/14
Inventor 李利平王康李术才雷霆周毅宋曙光王庆瀚李邦翔
Owner SHANDONG UNIV
Who we serve
  • R&D Engineer
  • R&D Manager
  • IP Professional
Why Eureka
  • Industry Leading Data Capabilities
  • Powerful AI technology
  • Patent DNA Extraction
Social media
Try Eureka
PatSnap group products

Browse by: Latest US Patents, China's latest patents, Technical Efficacy Thesaurus, Application Domain, Technology Topic.

© 2024 PatSnap. All rights reserved.Legal|Privacy policy|Modern Slavery Act Transparency Statement|Sitemap