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Assembled building material concrete composite additive

A compound additive and building material technology, applied in the field of building materials, can solve problems such as low hardness, reduced service life, high compressive strength, etc., and achieve the effect of simple production process, satisfying stability, and uniform use

Inactive Publication Date: 2018-06-12
NANTONG KEDA BUILDING MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Due to the rigid structure of concrete members, the evaluation of known concrete members pays more attention to their compressive strength. However, the existing concrete members have high compressive strength, low hardness, and low flexural strength, and the concrete members are prone to cracks and damage. thus reducing the service life

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment example 1

[0049] A concrete composite additive for prefabricated building materials, comprising the following raw materials in parts by weight: 36 parts of calcium-based bentonite; 18 parts of alunite; 1 part of sodium dodecylsulfonate; 5 parts of hydroxymethylpropyl cellulose; attapulgite 10 parts of soil; 16 parts of montmorillonite; 12 parts of fly ash; 7 parts of calcium fluoride; 3 parts of polyacrylamide; 6 parts of polyvinyl alcohol; 3 parts of gypsum; 1 part of sodium silicate; 4 parts of calcium lignosulfonate parts; 5 parts of triisopropanolamine; 10 parts of silica sol.

[0050] Wherein, the silica sol includes a first silica sol and a second silica sol, the particle diameter of the first silica sol is 20-30nm, the particle diameter of the second silica sol is 100-120nm, and the first silica sol and The weight ratio of the second silica sol is 1:3.

Embodiment example 2

[0052] A concrete composite additive for prefabricated building materials, comprising the following raw materials in parts by weight: 37 parts of calcium-based bentonite; 19 parts of alunite; 1.5 parts of sodium dodecyl sulfonate; 8 parts of hydroxymethyl propyl cellulose; attapulgite 12 parts of soil; 20 parts of montmorillonite; 16 parts of fly ash; 10 parts of calcium fluoride; 4 parts of polyacrylamide; 8 parts of polyvinyl alcohol; 5 parts of gypsum; 2 parts of sodium silicate; 5 parts of calcium lignosulfonate 8 parts of triisopropanolamine; 2 parts of silica sol.

[0053] Wherein, the silica sol includes a first silica sol and a second silica sol, the particle diameter of the first silica sol is 20-30nm, the particle diameter of the second silica sol is 100-120nm, and the first silica sol and The weight ratio of the second silica sol is 1:3.

Embodiment example 3

[0055] A concrete composite additive for prefabricated building materials, comprising the following raw materials in parts by weight:

[0056] 38 parts of calcium-based bentonite; 20 parts of alum stone; 2 parts of sodium dodecyl sulfonate; 10 parts of hydroxymethyl propyl cellulose; 16 parts of attapulgite; 12 parts of calcium chloride; 5 parts of polyacrylamide; 9 parts of polyvinyl alcohol; 7 parts of gypsum; 3 parts of sodium silicate; 7 parts of calcium lignosulfonate; 9 parts of triisopropanolamine; 14 parts of silica sol.

[0057] Wherein, the silica sol includes a first silica sol and a second silica sol, the particle diameter of the first silica sol is 20-30nm, the particle diameter of the second silica sol is 100-120nm, and the first silica sol and The weight ratio of the second silica sol is 1:3.

[0058] The concrete composite additive raw material of the embodiment of the present invention is easy to purchase, the production process is simple, it is convenient an...

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PUM

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Abstract

The invention discloses an assembled building material concrete composite additive, which is prepared from, by weight, 36-38 parts of calcium bentonite, 18-20 parts of alunite, 1-2 parts of sodium dodecyl sulfate, 5-10 parts of hydroxymethyl propyl cellulose, 10-16 parts of attapulgite, 16-22 parts of montmorillonite, 12-18 parts of coal ash, 7-12 parts of calcium fluoride, 3-5 parts of polyacrylamide, 6-9 parts of polyvinyl alcohol, 3-7 parts of gypsum, 1-3 parts of sodium silicate, 4-7 parts of calcium lignosulphonate, 5-9 parts of triisopropanolamine, and 10-14 parts of silicon sol. The concrete composite additive is easy to purchase raw material, simple in production technique, and convenient to uniformly use, and able to meet the production stability; the additive is added in the assembled building material concrete, the intensity and flexibility of concrete can be greatly improved, thus the assembled building material concrete quality is guaranteed.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a concrete composite additive for prefabricated building materials. Background technique [0002] Concrete usually uses cement as the cementitious material, sand and stone as aggregates, mixed with water (may contain admixtures and admixtures) in a certain proportion, and the cement concrete obtained by mixing is also called ordinary concrete. The advantages of forming, low energy consumption, good durability, low price, and combining with steel to make various load-bearing mechanisms are the most widely used building materials in contemporary times and play a very important role in the development of human society. [0003] Due to the rigid structure of concrete members, the evaluation of known concrete members pays more attention to their compressive strength. However, the existing concrete members have high compressive strength, low hardness, and low flexural streng...

Claims

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Application Information

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IPC IPC(8): C04B24/38
CPCC04B40/0039C04B14/104C04B22/142C04B24/383C04B18/08C04B22/126C04B24/2652C04B24/2623C04B22/143C04B12/04C04B24/122C04B24/18C04B14/062
Inventor 薛竣朱斌蔡群
Owner NANTONG KEDA BUILDING MATERIALS
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