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Manufacturing method of fault fracture zone grouting body similar simulation test piece

A technology similar to the simulation and production method, applied in the preparation of test samples, etc., can solve the problems of inability to objectively simulate the occurrence structure of grouted rock mass in the fault fracture zone, neglect, etc., and achieve low cost of test piece production and convenient test operation , The effect of simple mold structure

Pending Publication Date: 2020-09-08
SHANDONG UNIV OF SCI & TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Although this method can directly test the mechanical properties of grouted stones, it ignores the structure of the two rock masses in the fault fracture zone, and cannot objectively simulate the occurrence structure of the actual grouted rock mass in the fault fracture zone.

Method used

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  • Manufacturing method of fault fracture zone grouting body similar simulation test piece
  • Manufacturing method of fault fracture zone grouting body similar simulation test piece
  • Manufacturing method of fault fracture zone grouting body similar simulation test piece

Examples

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Embodiment 1

[0045] Certain embodiments of the invention will be described more fully hereinafter with reference to the accompanying drawings, in which some, but not all embodiments are shown. Indeed, various embodiments of the invention may be embodied in many different forms and should not be construed as limited to these set forth embodiments; rather, these embodiments are provided so that this invention will satisfy applicable legal requirements.

[0046] In the embodiment of the present invention, a method for making similar simulation specimens for grouting in fault fracture zones is provided, please refer to Figure 1 to Figure 4 and Figure 7 shown.

[0047] A method for making a simulated test piece similar to a grouting body in a fault fracture zone. The test piece is used to make a mold. The mold for making the test piece includes a cylinder 11 and a partition 12; the bottom of the cylinder 11 is closed, and the upper end of the cylinder 11 is open. Specifically The cylinder b...

Embodiment 2

[0070] Such as Figure 5 , Image 6 and Figure 8 As shown, the difference between the present embodiment and the first embodiment is that the partition 12 includes a main body, a left fitting belt 121, a right fitting belt 122 and a lower fitting belt 123, the main body is made of hard plastic, and the left fitting belt The joint band 121, the right joint band 122 and the following joint band 123 can be deformed, and the left joint band 121, the right joint band 122 and the lower joint band 123 are all made of soft plastic. The insides of the left fitting belt 121, the right fitting belt 122 and the lower fitting belt 123 are all provided with positioning strips 3; There is a telescopic body 6, and the telescopic body 6 is connected between the main body and the lower fitting belt 123. The telescopic body 6 is made of elastic material, and the telescopic body 6 is preferably made of rubber material.

[0071] In the second step, the partition 12 is vertically arranged rela...

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Abstract

The invention provides a manufacturing method of a fault fracture zone grouting body similar simulation test piece, and belongs to the field of rock similar material tests. According to the manufacturing method of a fault fracture zone grouting body similar simulation test piece, a test piece manufacturing mold is applied, an upper end of a barrel is open, and a magnet is arranged on the inner side of the barrel; positioning strips made of magnetic attraction materials are arranged on a left side edge, a right side edge and a lower side edge of a partition plate. Tensioning ropes are arrangedon the two sides of an upper end of the partition plate, first connecting pieces are arranged on tail ends of the tensioning ropes, and second connecting pieces are arranged on the two sides of the outer wall of the barrel. The method comprises the following steps: step 1, smearing a release agent; step 2, positioning the mold; step 3, attaching and reinforcing the partition plates; step 4, simulating a two-disc rock mass; step 5, simulating a fault fracture zone; step 6, simulating grouting operation; and 7, demolding the test piece. According to the manufacturing method of the similar simulation test piece, a two-disc rock mass structure of the fault fracture zone is considered so as to objectively simulate an occurrence structure of the grouting rock mass of the actual fault fracture zone.

Description

technical field [0001] The invention relates to the technical field of rock-similar material testing, in particular to a method for preparing a similar simulation specimen of a grouting body in a fault fracture zone. Background technique [0002] The fault fracture zone is a fracture structure in which the formation rock mass has obvious displacement along the fracture surface, and its interior is filled with broken rock torn off by the fault wall. Therefore, in most cases, the fault fracture zone exists as a low-strength, high-permeability weak zone, which has significant differences in physical and mechanical properties with the two rock masses, which also makes the fault fracture zone one of the sources of geological disasters. [0003] At present, in domestic and foreign projects, the method of grouting reinforcement is often used for fault fracture zones, allowing the grout to diffuse into the cracks between rocks under the action of pump pressure. After the slurry is ...

Claims

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Application Information

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IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 张文泉邵建立王在勇朱先祥吴欣焘李伟
Owner SHANDONG UNIV OF SCI & TECH
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