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A method for making a transparent rock-like dumping model sample

A production method and rock technology, applied in the field of production of transparent rock dumping model samples, can solve the problems of unfavorable model internal changes, model opacity, etc.

Active Publication Date: 2021-09-14
HOHAI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the influence of the simulated material, the prepared model is opaque, which is not conducive to observing the internal changes of the model

Method used

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  • A method for making a transparent rock-like dumping model sample
  • A method for making a transparent rock-like dumping model sample
  • A method for making a transparent rock-like dumping model sample

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0043] The mold is customized according to the size of the model sample, the bottom of the mold is horizontal, and the height of the mold changes continuously along its length direction. Evenly coat one layer of vaseline on the inner cavity 1 of the mold, insert a thin plate 3 coated with vaseline that is made of plastic with a thickness of 3mm into the inner cavity 1, and the thin plate 3 is fixed inside with the first fixing member coated with vaseline On the side wall of the cavity 1, the thin plate 3 divides the inner cavity 1 of the mold into several chambers; the number of the thin plates 3 is seven.

[0044] According to the design requirements, weigh transparent epoxy resin E-51 and ethylenediamine with a mass ratio of 10:1, pour the weighed raw materials into a stirring container, and stir them continuously with a glass rod to fully mix them to form a mixture. Then put it into a negative pressure box for degassing treatment for half an hour to get the first pouring so...

Embodiment 2

[0047] The mold is customized according to the size of the model sample, the bottom of the mold is horizontal, and the height of the mold changes continuously along its length direction. Evenly coat a layer of paraffin on the inner cavity 1 of the mold, and insert a 7mm thick material coated with paraffin into the groove provided at the bottom of the inner cavity 1, and the thin plate 3 is integrally formed by coating the paraffin The elastic sheet 21 on the fixing part 2 of the structure is fixed, and the thin plate 3 divides the inner cavity 1 of the mold into several chambers; the number of thin plates 3 is 10.

[0048] According to the design requirements, weigh brominated diphenolic propane epoxy resin and diaminocyclohexane with a mass ratio of 40:1, pour the weighed raw materials into a stirring container, and stir continuously with a glass rod to make them fully mixed The mixture is formed, and then placed in a negative pressure box for degassing treatment for half an ...

Embodiment 3

[0051] The mold is customized according to the size of the model sample, the bottom of the mold is horizontal, and the height of the mold changes continuously along its length direction. A layer of glycerin is evenly coated on the inner cavity 1 of the mould, and a metal thin plate 3 with a thickness of 5 mm coated with glycerin is inserted into the groove provided on the side wall of the inner cavity 1. The elastic sheet 21 on the fixing part 2 of the molding structure is fixed, and the thin plate 3 divides the inner cavity 1 of the mold into several chambers; the number of thin plates 3 is 8 pieces.

[0052] According to the design requirements, weigh transparent epoxy resin E-51 and diethylenetriamine with a mass ratio of 25:1, pour the weighed raw materials into a stirring container, and stir them continuously with a glass rod to fully mix them to form a mixture , and then placed in a negative pressure box for degassing treatment for half an hour to obtain the first pourin...

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Abstract

The invention discloses a method for manufacturing a transparent rock-like toppling model sample, comprising the following steps: customizing a mold according to the size of the transparent rock-like toppling model sample; inserting a thin plate into the inner cavity of the mold and fixing it, the The thin plate divides the inner cavity of the mold into several chambers, and the first casting solution is poured in the chamber; after the first casting solution is solidified, the second casting solution is poured in the gap left after the thin plate is drawn out. solution; after the second casting solution is solidified, remove the mold and polish the corners of the model sample; the first casting solution and the second casting solution respectively simulate the rock mass and joint surface of the rock structure. The invention can be used for real simulation and observation of the whole process of rock mass toppling, deformation and destruction after the rock slope is disturbed by stress.

Description

technical field [0001] The invention belongs to the technical field of civil engineering, and relates to a method for making a dumping model sample, in particular to a method for making a transparent rock dumping model sample. Background technique [0002] In all kinds of civil engineering construction, whether it is water conservancy, hydropower, transportation, mining or civil construction projects, problems such as deformation, failure and instability of slopes of different forms and scales are often encountered. The implementation of various major domestic engineering projects mostly involves high and steep slopes, and the stability of such slopes directly affects important issues such as engineering construction and engineering safety. Among them, toppling deformation failure is a rock slope stability problem often encountered in civil engineering. [0003] Toppling refers to the bending and breaking of the layered anti-slope structure and part of the surface rock laye...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
CPCG01N1/28
Inventor 石崇陈晓张成辉刘军杨俊雄张一平戴薇
Owner HOHAI UNIV
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