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A kind of artificial transparent rock based on shadowless glue and fused silica sand and its preparation method

A technology of fused silica sand and shadowless glue, which is applied in the fields of geotechnical engineering, geological engineering, mining engineering, tunnel and underground construction engineering, and water conservancy engineering. It can solve the problems of transparent rock mass transparency reduction, similar material transparency reduction, and poor cementation Strong and other problems, to achieve the effect of easy promotion and application, high production efficiency and high transparency

Active Publication Date: 2021-11-09
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the similar transparent rock materials that have been used have their own defects in the test process. For example, when silica fume is used as aggregate and mineral oil is used as cement, the size of the silica fume is too large or small to make the transparent rock mass The transparency of similar materials is greatly reduced. Even if a suitable silica fume gradation is selected, due to the weak cementation of mineral oil itself, it is necessary to apply a high-strength load to the mixed material after the proportion is completed, which will inevitably reduce the transparency of similar materials. even become opaque

Method used

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  • A kind of artificial transparent rock based on shadowless glue and fused silica sand and its preparation method
  • A kind of artificial transparent rock based on shadowless glue and fused silica sand and its preparation method
  • A kind of artificial transparent rock based on shadowless glue and fused silica sand and its preparation method

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Effect test

Embodiment 1

[0035] A kind of artificial transparent rock based on shadowless glue and fused silica sand, the specific production steps are as follows figure 1 As shown, firstly, the transparency and lithology of similar materials of transparent rock were explored through indoor experiments, and fused silica sand (powder) was selected as aggregate and UV shadowless glue as cement to synthesize similar materials of transparent rock. Select 3 meshes, 30 meshes and 300 meshes of quartz sand (powder) and UV shadowless glue for mixing test, and finally select the best ratio effect material, that is, fused silica sand of about 3 meshes and UV Shadowless glue was mixed for the preparation of hyaline rock standard specimens. When making the sample, first use an electronic balance to weigh 170g of fused silica sand of about 3 meshes, then weigh 80g of UV shadowless glue into the beaker; Prepare a standard sample for a detachable cylindrical plexiglass mold with a height of 50 mm and a height of 10...

Embodiment 2

[0063] An artificial transparent rock based on shadowless glue and fused silica sand, the main instruments required are: beaker, glass rod, electronic scale, mixer, vacuum pump, 150w ultraviolet lamp, etc. After the mold was wiped clean before the test, a layer of plastic film was attached to the inner wall of the mold to ensure the transparency of the sample and facilitate the demoulding of the sample. The specific preparation process is as follows:

[0064] (1) Weigh 170g of fused silica sand with an electronic balance, weigh 80g of UV shadowless glue to a beaker, and divide the fused silica sand into 3 parts; wherein, the particle size range of the fused silica sand is 2 to 4mm, and the UV invisible glue The refractive index of shadow film is 1.486.

[0065] (2) Pouring: Add a portion of fused silica sand to the transparent mold, then add UV shadowless glue to submerge the fused silica sand, stir continuously with a glass rod and gently shake the mold until there are no obv...

Embodiment 3

[0071] An artificial transparent rock based on shadowless glue and fused silica sand, the main instruments required are: beaker, glass rod, electronic scale, mixer, vacuum pump, 150w ultraviolet lamp, etc. After the mold was wiped clean before the test, a layer of plastic film was attached to the inner wall of the mold to ensure the transparency of the sample and facilitate the demoulding of the sample. The specific preparation process is as follows:

[0072] (1) Weigh 170g of fused silica sand with an electronic balance, weigh 80g of UV shadowless glue to a beaker, and divide the fused silica sand into 3 parts; wherein, the particle size range of fused silica sand is 5-8mm, and the UV shadowless glue The refractive index of shadow film is 1.486.

[0073] (2) Pouring: Add a portion of fused silica sand to the transparent mold, then add UV shadowless glue to submerge the fused silica sand, stir continuously with a glass rod and gently shake the mold until there are no obvious b...

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Abstract

The invention relates to an artificial transparent rock based on shadowless glue and fused silica sand and a preparation method thereof. The raw materials for its preparation include the following composition in parts by weight: 150-190 parts of fused silica sand, 60-100 parts of UV shadowless glue; The preparation method is: take fused silica sand and UV shadowless adhesive in proportion, and divide the fused silica sand into 3 to 6 parts; Submerge the sand, stir the material in the transparent mold to exhaust, and then vacuum the material with a vacuum pump; use the same pouring steps to pour the remaining fused silica sand and UV shadowless glue into the transparent mold one by one; irradiate the mixed material with ultraviolet light The fused silica sand and the UV shadowless glue are consolidated together; the transparent mold is removed to obtain artificial transparent rock. Compared with the prior art, the invention has the advantages of high product transparency, simple preparation process, high preparation efficiency and the like.

Description

technical field [0001] The invention relates to the technical fields of geological engineering, geotechnical engineering, tunnel and underground construction engineering, water conservancy engineering, and mining engineering, in particular to an artificial transparent rock based on shadowless glue and fused silica sand and a preparation method thereof. Background technique [0002] At present, it is very difficult to visually observe the process of deformation and failure inside rock mass in model tests of natural rock mass or similar materials. However, as early as the 1980s, researchers began to try to simulate specific soils with transparent materials, so as to conduct model tests to study the corresponding soil properties. Based on the research results of transparent soils, previous researchers usually used glass, resin (PMMA), mineral oil or other organic materials to explore transparent rocks. However, the similar transparent rock materials that have been used have th...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01N1/28
Inventor 王建秀刘无忌龙冠宏邓沿生赵宇刘笑天徐娜周洁叶真华崔韬武昭
Owner TONGJI UNIV