CN102321465B - High-viscosity dispersion-resistant grouting material - Google Patents
High-viscosity dispersion-resistant grouting material Download PDFInfo
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- CN102321465B CN102321465B CN201110129919.7A CN201110129919A CN102321465B CN 102321465 B CN102321465 B CN 102321465B CN 201110129919 A CN201110129919 A CN 201110129919A CN 102321465 B CN102321465 B CN 102321465B
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Abstract
The invention relates to a high-viscosity dispersion-resistant grouting material, which is prepared from a polyacrylamide substrate, water and a dyeing agent, wherein the mass ratio of the polyacrylamide substrate to the water is 1:(30-500); the mass ratio of the dyeing agent to the water is 1:(100-300); and the dyeing agent is prepared by mixing a polyacrylamide solution with a poinsettia solution in the mass ratio of 1:1 and drying. The high-viscosity dispersion-resistant grouting material has the advantages of large viscosity adjusting range, small change of density, high dispersion resistance, high grouting property, easiness for cleaning and the like, is mainly applied to indoor grouting experiments, and is taken as substitute serous fluid for researching the displacement diffusion mechanism of serous fluid in flowing water.
Description
Technical field:
The present invention relates to a kind of high-viscosity dispersion-resistant grouting material, be mainly used in desk research slurries displacement diffusion theory.
Background technology:
At present, the development of grouting theory seriously lags behind slurry injection technique.Existing grouting theory is difficult to play effective directive function in the comparatively complicated prominent water burst slip casting of condition is administered.Moving water grouting theory aspect, particularly not enough to the research of slurries displacement diffusion theory, need to carry out more deep research.
The process of slip casting is also the displacement processes of slurries to underground water.At present, the research of moving water slip casting displacement diffusion theory is adopted more the method for test in place.The injecting paste material of selecting is divided into two kinds, a kind of soluble in water, as acrylate and water glass class; Another kind of water insoluble, as epoxy resin.Test in place can accomplish that simulated conditions are truer, but owing to lacking effective monitoring means, cannot obtain accurate flow field parameter, cannot observe the disperse state of slurries, be difficult to slurries displacement Diffusion Law and affect parameter carry out qualitative and quantitative analysis, cannot obtain desirable research effect.The various weak points that exist for test in place, need to pass through Eccentric Loads in Layered Soils and Research slurries displacement diffusion theory.
The indoor research trial to displacement flooding mechanism adopts polyurethane kind as injecting paste material more.Polyurethane is met water and can be solidified, and its consolidated profile is exactly displacement diffusion boundary.This character has determined that its grouting test can only obtain a displacement diffusion boundary.The curing outer of Polyurethane slurries can hinder the outside diffusion of inner uncured slurries, therefore cannot obtain the diffusion of displacement accurately boundary.In addition, the viscosity of Polyurethane slurries cannot be adjusted on a large scale, and test cannot draw the impact that slurry viscosity produces displacement diffusion.
For the deficiency of above-mentioned current material, develop a kind of novel injecting paste material for indoor model test and be very important.
Summary of the invention:
For overcoming the deficiency of above-mentioned existing injecting paste material, the invention provides that a kind of compound method is simple, viscosity variable range large, the high-viscosity dispersion-resistant grouting material of easy to clean.
The present invention realizes by following scheme:
High-viscosity dispersion-resistant grouting material, formulated by polyacrylamide base-material, water and staining agent, polyacrylamide base-material is 1: 30～500 with the quality of water than scope, the mass ratio 1: 100～300 of staining agent and water.
Described staining agent is that polyacrylamide solution mixes in mass ratio post-drying with poinsettia solution and makes at 1: 1; In described polyacrylamide solution polyacrylamide with quality than 1: 8～10; In poinsettia solution poinsettia with quality than 1: 2～4.
Described polyacrylamide base-material and the quality of water than scope be preferably 1: 30～200.
Described staining agent and the mass ratio of water preferably 1: 200.
The preparation method of described high-viscosity dispersion-resistant grouting material, first mixes water and staining agent, then while stirring polyacrylamide base-material is evenly sprinkled in water, and standing 5-10 minute fully dissolves base-material, again stirs, and completes the preparation of slurries.
The invention has the beneficial effects as follows:
1. Color is good, can not fade, and staining agent consumption is little, after dyeing, can significantly distinguish slurries diffusion profiles, and staining agent is on the not impact of the viscosity of slurries.
2. slurry viscosity adjustable range is large, and range of viscosities, can be by adjusting the proportioning of base-material and water at 50-500mPa/s, the slurries of preparation different viscosity, and the impact on displacement diffusion by experimental study slurry viscosity.
3. serum density variation is very little, can ignore because serum density changes the impact that slurries displacement diffusion is produced.
4. slurries can not solidify, and can obtain a plurality of more accurate slurries displacement diffusion boundaries by single test.And the remaining slurries easy to clean after having tested, can wash away rapidly totally by water, continue test next time.
5. the anti-dispersive ability of slurries is strong, can reach good displacement effect, and displacement diffusion interface profile is fairly obvious.
Accompanying drawing explanation:
Color figure after Fig. 1 staining agent mixes with water.
Fig. 2 embodiment obtains a plurality of displacement diffusion boundary figures of material under different slip casting speed.
Embodiment:
Embodiment 1
High-viscosity dispersion-resistant grouting material, formulated by polyacrylamide base-material, water and staining agent, polyacrylamide base-material is 1: 30 with the quality of water than scope, the mass ratio of staining agent and water 1: 100.Staining agent is that polyacrylamide solution mixes in mass ratio post-drying with poinsettia solution and makes at 1: 1; In described polyacrylamide solution polyacrylamide with quality than 1: 8; In poinsettia solution poinsettia with quality than 1: 2.(poinsettia is exactly C.I. 42685 in fact, and molecular weight is: 566.48)
Compound method: first polyacrylamide and staining agent are mixed, then while stirring mixed material is evenly sprinkled in water, standing 5-10 minute fully dissolves base-material, again stirs, and completes the preparation of slurries.
In slurries process for preparation, must evenly be sprinkled into while stirring material, avoid material to form block insolubles; After the standing 5min of slurries, there is one deck bubble in slurry surface, and now base-material dissolves completely; In standing process, base-material further dissolves, and again stirs slurries are mixed; Slurries have been prepared, and present the class colloidal state of homogeneous.
Embodiment 2
High-viscosity dispersion-resistant grouting material, formulated by polyacrylamide base-material, water and staining agent, polyacrylamide base-material is 1: 100 with the quality of water than scope, the mass ratio of staining agent and water 1: 300.Staining agent is that polyacrylamide solution mixes in mass ratio post-drying with poinsettia solution and makes at 1: 1; In described polyacrylamide solution polyacrylamide with quality than 1: 10; In poinsettia solution poinsettia with quality than 1: 4.
Compound method: embodiment 1 simultaneously.
Embodiment 3
High-viscosity dispersion-resistant grouting material, formulated by polyacrylamide base-material, water and staining agent, polyacrylamide base-material is 1: 200 with the quality of water than scope, the mass ratio of staining agent and water 1: 200.Staining agent is that polyacrylamide solution mixes in mass ratio post-drying with poinsettia solution and makes at 1: 1; In described polyacrylamide solution polyacrylamide with quality than 1: 10; In poinsettia solution poinsettia with quality than 1: 3.
Compound method: embodiment 1 simultaneously.
Embodiment 4
High-viscosity dispersion-resistant grouting material, formulated by polyacrylamide base-material, water and staining agent, polyacrylamide base-material is 1: 500 with the quality of water than scope, the mass ratio of staining agent and water 1: 200.Staining agent is that polyacrylamide solution mixes in mass ratio post-drying with poinsettia solution and makes at 1: 1; In described polyacrylamide solution polyacrylamide with quality than 1: 10; In poinsettia solution poinsettia with quality than 1: 3.
Compound method: embodiment 1 simultaneously.
Performance test
Under the condition of 18 ℃, laboratory, adopt staining agent and and quality than 1: 200, base-material and quality are such as the proportioning of following table makes 9 kinds of different slurries, purposes-4 viscometer is measured the kinematic viscosity v of slurries, with densometer, measure serum density ρ, by formula μ=v * ρ, calculate slurries kinetic viscosity μ, the results are shown in Table 1.
Table 1 size performance table
Precaution:
One, high-viscosity dispersion-resistant grouting material, its slurry viscosity temperature influence can change, and should keep slurry temperature to change in 5 ℃, and complete at the same temperature the measurement to performances such as slurry viscosities during test.
Two, need to adopt special stain therefor dyeing, avoid because staining agent impacts slurry viscosity, and slurry viscosity is changed.Also can suitably regulate staining agent consumption, obtain applicable Color.
Claims (3)
1. high-viscosity dispersion-resistant grouting material, is characterized in that, it is formulated by polyacrylamide base-material, water and staining agent, and polyacrylamide base-material is 1:30～500 with the quality of water than scope, mass ratio 1:100～300 of staining agent and water; Described staining agent be polyacrylamide solution with poinsettia solution in mass ratio 1:1 mix post-drying and make; In described polyacrylamide solution polyacrylamide with quality than 1:8～10; In poinsettia solution poinsettia with quality than 1:2～4; Preparation method, for first polyacrylamide base-material and staining agent being mixed, is then evenly sprinkled into mixed material in water while stirring, and standing 5-10 minute fully dissolves base-material, again stirs, and completes the preparation of slurries.
2. high-viscosity dispersion-resistant grouting material according to claim 1, is characterized in that, described polyacrylamide base-material is 1:30～200 with the quality of water than scope.
3. high-viscosity dispersion-resistant grouting material according to claim 1, is characterized in that, the mass ratio 1:200 of described staining agent and water.
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| CN201110129919.7A CN102321465B (en) | 2011-05-18 | 2011-05-18 | High-viscosity dispersion-resistant grouting material |
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| CN201110129919.7A CN102321465B (en) | 2011-05-18 | 2011-05-18 | High-viscosity dispersion-resistant grouting material |
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| CN104895525B (en) * | 2015-06-17 | 2017-06-13 | 中国地质大学（北京） | A kind of gas drive formula grouting method |
| CN112697652A (en) * | 2020-11-30 | 2021-04-23 | 云南建设投资控股集团有限公司 | Experimental device for be used for indoor simulation soil body splitting slip casting |
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Non-Patent Citations (2)
| Title |
|---|
| 用聚丙烯酰胺水溶液驱替油溶液的粘性指进现象的研究;谢刚等;《应用化学》;19991220;第16卷(第6期);第68页第2-3段 * |
| 谢刚等.用聚丙烯酰胺水溶液驱替油溶液的粘性指进现象的研究.《应用化学》.1999,第16卷(第6期),第68-70页. |
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