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Earthen site grouting material of fiber bakelite rod grouted rock bolt based on water-based fluorine

A technology of water-based fluorine and fiber glue, which is applied in the field of protection of cultural relics and soil sites, can solve the problems that cement mortar is unfavorable to the body of cultural relics in soil sites, the setting time of epoxy slurry material is slow, and the diffusion range of slurry is increased, so as to shorten the curing time and benefit Filling and anchoring, good groutability

Active Publication Date: 2015-06-10
SHAANXI NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] 2. The terminal isocyanate group (-NCO) of polyurethane slurry can react quickly and release a large amount of CO2 when it meets water, so when grouting, it can generate a secondary large pressure to promote the further diffusion of the slurry and increase the diffusion of the slurry range, but has negative effects in confined environments
[0007] 3. The reaction mechanism of acrylate is a typical free-set polymerization reaction. The polymer is a polymer gel with a network structure. Because it contains a large number of hydrophilic groups, it can accommodate water several times its own volume. Controllable reaction time, but low intensity
[0008] 4. The essence of the reaction of epoxy resin slurry is the ring-opening and cross-linking of epoxy groups by the active hydrogen in the amine curing agent to form a closely linked three-dimensional network structure, so the epoxy slurry has high strength and durability Good, the overall performance is better, but the ring opening is gradual, so the setting time of the epoxy slurry is slower
Cement mortar is not conducive to the application of earthen cultural relics, and the anchoring force of inorganic grouting materials is not strong enough

Method used

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  • Earthen site grouting material of fiber bakelite rod grouted rock bolt based on water-based fluorine
  • Earthen site grouting material of fiber bakelite rod grouted rock bolt based on water-based fluorine
  • Earthen site grouting material of fiber bakelite rod grouted rock bolt based on water-based fluorine

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0073] This example is a kind of water-based fluorine-based grouting material for fiber glue wooden rod anchoring anchor rod soil ruins, including 60 mesh clay, fly ash, silicon dioxide, planting glue, water, quicklime expansion agent and two-component water-based fluorine , and the ratio of each material is 8~10:8~10:0.5~1.5:0.7~1:8~10:1.5~2.5:4~5. The ratios mentioned are mass ratios.

[0074] In this embodiment, the ratio of each material is 8:8:0.5:0.7:8:1.5:4, which consists of 3200g of sieved 60 mesh clay, 3200g of fly ash, 200g of nano silicon dioxide, 280ml of planting glue, and 3200ml of water , composed of 600g of quicklime-based expansion agent and 1600ml of two-component water-based fluorine.

[0075] In the specific implementation process, water and a weighed quicklime-based expansion agent are firstly mixed with a mass ratio of 5.3:1 to obtain quicklime slurry. Add weighed clay, fly ash, nano-silica, planting glue and two-component water-based fluorine into the...

Embodiment 2

[0081] This example is a kind of water-based fluorine-based grouting material for fiber glue wooden rod anchoring anchor rod soil ruins, including 60 mesh clay, fly ash, silicon dioxide, planting glue, water, quicklime expansion agent and two-component water-based fluorine , and the ratio of each material is 8~10:8~10:0.5~1.5:0.7~1:8~10:1.5~2.5:4~5. The ratios mentioned are mass ratios.

[0082] In this example, the ratio of each material is 10:10:1.5:1:10:2.5:5, which consists of 2000g of sieved 60 mesh clay, 2000g of fly ash, 300g of nano silicon dioxide, 200ml of planting glue, and 2000ml of water , 500g of quicklime expansion agent and 1000ml of two-component water-based fluorine.

[0083] In the specific implementation process, water and a weighed quicklime-based expansion agent are mixed uniformly at a mass ratio of 4:1 to obtain quicklime slurry. Add weighed clay, fly ash, nano-silica, planting glue and two-component water-based fluorine into the obtained quicklime sl...

Embodiment 3

[0089] This example is a kind of water-based fluorine-based grouting material for fiber glue wooden rod anchoring anchor rod soil ruins, including 60 mesh clay, fly ash, silicon dioxide, planting glue, water, quicklime expansion agent and two-component water-based fluorine , and the ratio of each material is 8~10:8~10:0.5~1.5:0.7~1:8~10:1.5~2.5:4~5. The ratios mentioned are mass ratios.

[0090] In this example, the ratio of each material is 9:8:1.2:1:9:1.8:4, which consists of 1800g of sieved 60 mesh clay, 1600g of fly ash, 240g of nano silicon dioxide, 200ml of planting glue, and 1800ml of water , 360g of quicklime-based expansion agent and 800ml of two-component water-based fluorine.

[0091] In the specific implementation process, water and a weighed quicklime-based expansion agent are mixed uniformly at a mass ratio of 4:1 to obtain quicklime slurry. Add weighed clay, fly ash, nano-silica, planting glue and two-component water-based fluorine into the obtained quicklime sl...

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Abstract

The invention discloses an earthen site grouting material of a fiber bakelite rod grouted rock bolt based on water-based fluorine. The earthen site grouting material is prepared from the following raw materials at the ratio of (8-10) to (8-10) to (0.5-1.5) to (0.7-1) to (8-10) to (1.5-2.5) to (4-5), wherein the ratio is mass ratio. The earthen site grouting material has consistency with a surrounding soil material in ingredient, physical and chemical property and mechanical property, can be fused into a whole under the action of a curing agent water-based fluorine and inserted bar glue, and has compatibility with a surrounding rammed earth layer; meanwhile, the material contains the water-based fluorine, the inserted bar glue and the like, is close to cotton and bast fiber and phenolic resin in the bakelite rock bolt in property, and has relatively good compatibility; the curing time can be shortened; and filling and anchoring are facilitated.

Description

technical field [0001] The invention relates to the technical field of protection of cultural relics and soil relics, in particular to a water-based fluorine-based fiber glue stick anchor bolt soil relics grouting material. Background technique [0002] The use of grouting technology to solve technical problems related to engineering has a history of more than a century. With the wide application of grouting technology, grouting materials have been greatly developed. Academician Zheng Shouren pointed out that the environmental protection and durability issues of grouting materials and the development of new varieties of materials to adapt to different environments are the directions of research on grouting materials in the future. Therefore, grouting materials with high comprehensive performance indicators such as strong permeability, good injectability, no pollution, high strength of consolidated body, easy control of setting time and high construction are the direction and...

Claims

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Application Information

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IPC IPC(8): C04B28/10
Inventor 李玉虎戎岩王文军曹静
Owner SHAANXI NORMAL UNIV
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