High-strength easily-compatible concrete reinforcing agent

A concrete and high-strength technology, applied in the field of concrete admixtures, can solve problems such as single function, poor bonding ability, and decreased concrete strength, and achieve the effects of improving durability, reducing sensitivity, and strong compatibility

Inactive Publication Date: 2021-02-02
株洲市中建新材料有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the reinforcing admixture in the existing concrete materials has a single function, mainly to improve the early strength, and has almost no contribution to the later strength. After adding this reinforcing admixture...

Method used

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  • High-strength easily-compatible concrete reinforcing agent
  • High-strength easily-compatible concrete reinforcing agent
  • High-strength easily-compatible concrete reinforcing agent

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] Embodiment 1 A kind of high-strength and easily compatible concrete strengthening agent

[0031] A high-strength and easily compatible concrete strengthening agent, comprising the following raw materials in parts by weight:

[0032] 12 parts by weight of isopentenol polyoxyethylene ether, 22 parts by weight of sodium lignosulfonate, 2 parts by weight of graphene dispersion, 1 part by weight of modified starch, 1 part by weight of polycarboxylate water reducer, 1 part by weight of early strength agent Parts by weight, 2 parts by weight of emulsifier, 2 parts by weight of co-stabilizer, 1 part by weight of activator, 3 parts by weight of epoxy-modified acrylate, 3 parts by weight of polyethylene glycol, 6 parts by weight of filler and 35 parts by weight of water share.

[0033] As a preferred solution of the present invention, the modified starch in the present invention is etherified starch.

[0034] As a preferred solution of the present invention, the early strengthe...

Embodiment 2

[0038] Example 2 A high-strength and easily compatible concrete strengthening agent

[0039] A high-strength and easily compatible concrete strengthening agent, comprising the following raw materials in parts by weight:

[0040] 14 parts by weight of isopentenol polyoxyethylene ether, 24 parts by weight of sodium lignosulfonate, 3 parts by weight of graphene dispersion, 2 parts by weight of modified starch, 2 parts by weight of polycarboxylate water reducer, 2 parts by weight of early strength agent Parts by weight, 3 parts by weight of emulsifier, 3 parts by weight of co-stabilizer, 2 parts by weight of activator, 4 parts by weight of epoxy-modified acrylate, 4 parts by weight of polyethylene glycol, 8 parts by weight of filler and 40 parts by weight of water share.

[0041] As a preferred solution of the present invention, the modified starch in the present invention is etherified starch.

[0042] As a preferred solution of the present invention, the early strengthening ag...

Embodiment 3

[0046] Example 3 A high-strength and easily compatible concrete strengthening agent

[0047] A high-strength and easily compatible concrete strengthening agent, comprising the following raw materials in parts by weight:

[0048] 16 parts by weight of isopentenol polyoxyethylene ether, 26 parts by weight of sodium lignosulfonate, 4 parts by weight of graphene dispersion, 3 parts by weight of modified starch, 3 parts by weight of polycarboxylate water reducer, 3 parts by weight of early strength agent Parts by weight, 4 parts by weight of emulsifier, 4 parts by weight of co-stabilizer, 3 parts by weight of activator, 5 parts by weight of epoxy-modified acrylate, 5 parts by weight of polyethylene glycol, 10 parts by weight of filler and 45 parts by weight of water share.

[0049] As a preferred solution of the present invention, the modified starch in the present invention is etherified starch.

[0050] As a preferred solution of the present invention, the early strengthening a...

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Abstract

The invention discloses a high-strength easily-compatible concrete reinforcing agent which comprises the following raw materials in parts by weight: 12-16 parts of isopentenol polyoxyethylene ether, 22-26 parts of sodium lignin sulfonate, 2-4 parts of graphene dispersion liquid, 1-3 parts of modified starch, 1-3 parts of a polycarboxylate superplasticizer, 1-3 parts of an early strength agent, 2-4parts of an emulsifier and the like. According to the invention, the strength of concrete can be increased by 8%-20%, the workability, bleeding resistance, no segregation and easy pumping of the concrete can be effectively improved, the frost resistance and carbonization resistance are greatly improved, and the concrete reinforcing agent is non-toxic, harmless, pollution-free, radioactivity-freeand free of chloride ions, alkali and the like.

Description

technical field [0001] The invention belongs to the technical field of concrete admixtures, in particular to a high-strength and easily compatible concrete strengthening agent. Background technique [0002] Concrete is currently the most used building material in the world. It has the main advantages of low price, strong bearing capacity and high durability. However, the early strength of concrete develops slowly, and it usually requires extra manpower and material resources for maintenance. At present, industrial wastes are used as basic raw materials in concrete more and more widely, especially in the production of large prefabricated components, a large number of mineral admixtures such as mineral powder and fly ash are used, and the early strength of concrete develops more slowly , affecting process progress such as mold turnover and prestress loading. [0003] In order to further improve the performance of concrete, it is usually used to add a strong agent to it in th...

Claims

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Application Information

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IPC IPC(8): C04B24/38
CPCC04B40/0039C04B24/32C04B24/18C04B14/024C04B24/38C04B2103/302C04B2103/0068C04B24/2641C04B18/08
Inventor 陈新
Owner 株洲市中建新材料有限公司
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