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Environment-friendly pollution-free concrete exposed-aggregate agent and preparation method thereof

A pollution-free, concrete technology, applied in the field of concrete dew stone agent and its preparation, can solve the problems of semi-rigid base layer with weak rain erosion resistance, structural instability of road surface, high cost, etc., achieve environmental protection and pollution-free effect, and low engineering cost , strong practical effect

Inactive Publication Date: 2018-03-27
夏放军
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] At present, most of the expressways in our country adopt the structure form of paving asphalt surface on the semi-rigid base. The ability is weak. Once the base layer is severely washed by rainwater, it is easy to cause structural instability of the road surface. Especially in the rainy areas in the south, the maintenance cost is relatively high

Method used

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  • Environment-friendly pollution-free concrete exposed-aggregate agent and preparation method thereof
  • Environment-friendly pollution-free concrete exposed-aggregate agent and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0022] A preparation method of an environmentally friendly and pollution-free concrete dew stone agent, comprising the following steps:

[0023] 1) Dissolve hydroxypropyl methylcellulose by dissolving in hot water. The specific steps are: A. Add clean water with a volume of one-third of the beaker in the beaker, and heat it on an alcohol lamp for 15 minutes to make the clean water Heat the water from room temperature to 70°C, then slowly add 60 parts of hydroxypropyl methylcellulose into the beaker, and stir the hydroxypropyl methylcellulose with a glass rod for 15 minutes to disperse it into the hot water to obtain Hot water slurry, set aside; B. Continue to add cold water with a volume of one-third of the beaker to the beaker, and use a glass rod to stir for 15 minutes again to make it mix with the hot water slurry, and then let it stand for 24 hours to make the hydroxypropyl The base methyl cellulose is completely dissolved in water and set aside;

[0024] 2) Take 13 parts...

Embodiment 2

[0032] A preparation method of an environmentally friendly and pollution-free concrete dew stone agent, comprising the following steps:

[0033] 1) Dissolve hydroxypropyl methylcellulose by dissolving in hot water. The specific steps are: A. Add clean water with a volume of one-third of the beaker in the beaker, and heat it on an alcohol lamp for 15 minutes to make the clean water Heat the water from room temperature to 70°C, then slowly add 30 parts of hydroxypropyl methylcellulose into the beaker, and stir the hydroxypropyl methylcellulose with a glass rod for 15 minutes to disperse it into the hot water to obtain Hot water slurry, set aside; B. Continue to add cold water with a volume of one-third of the beaker to the beaker, and use a glass rod to stir for 15 minutes again to make it mix with the hot water slurry, and then let it stand for 24 hours to make the hydroxypropyl The base methyl cellulose is completely dissolved in water and set aside;

[0034] 2) Take 18 parts...

Embodiment 3

[0042] A preparation method of an environmentally friendly and pollution-free concrete dew stone agent, comprising the following steps:

[0043] 1) Dissolve hydroxypropyl methylcellulose by dissolving in hot water. The specific steps are: A. Add clean water with a volume of one-third of the beaker in the beaker, and heat it on an alcohol lamp for 15 minutes to make the clean water Heat the water from room temperature to 70°C, then slowly add 45 parts of hydroxypropyl methylcellulose into the beaker, and stir the hydroxypropyl methylcellulose with a glass rod for 15 minutes to disperse it into the hot water to obtain Hot water slurry, set aside; B. Continue to add cold water with a volume of one-third of the beaker to the beaker, and use a glass rod to stir for 15 minutes again to make it mix with the hot water slurry, and then let it stand for 24 hours to make the hydroxypropyl The base methyl cellulose is completely dissolved in water and set aside;

[0044] 2) Take 13-18 pa...

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Abstract

The invention discloses an environmentally friendly and pollution-free concrete dew stone agent, which is made of the following materials in proportion by weight: hydroxypropyl methylcellulose, liquid sodium silicate, hydroxyl, carboxylate, protein, fatty acid, glucose, Urea, sodium carboxymethylcellulose, tricalcium silicate, dicalcium silicate, tricalcium aluminate, tetracalcium aluminoferrite, β-naphthalenesulfonate formaldehyde condensation product water reducer and pour point depressant; this type of concrete The dew stone agent has the advantages of low engineering cost, strong practicability, environmental protection, no pollution and stable effect.

Description

technical field [0001] The invention relates to an environment-friendly and pollution-free concrete dew stone agent and a preparation method thereof. Background technique [0002] Exposed cement concrete pavement is a form of cement concrete pavement in which coarse aggregate particles are partially exposed on the surface. Compared with traditional cement concrete pavement, it has a richer surface microstructure and macroscopic depth. It was researched and applied in the late 1980s and early 1990s by the United Kingdom, Belgium, and Denmark. In 1976, Denmark took the lead in paving the exposed stone cement concrete pavement test section. In 1992, Austria disclosed a low-noise cement concrete pavement paving method. , the pavement mainly adopts a new type of pavement exposed aggregate surface. Then Belgium, the United Kingdom, etc. built exposed cement concrete pavement test sections on expressways. A large number of studies have shown that exposed stone pavement has better...

Claims

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Application Information

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IPC IPC(8): C04B28/26
CPCC04B28/26C04B2111/00017C04B2111/00482C04B24/126C04B24/383C04B22/002C04B14/043C04B14/36C04B14/363C04B24/226C04B2103/0068C04B24/06C04B24/14C04B24/10C04B24/08
Inventor 夏放军
Owner 夏放军
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