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Additive for anti-collapse concrete and preparation method thereof

An additive and concrete technology, applied in the field of anti-slump concrete additive and its preparation, can solve problems such as low cement slump, and achieve the effects of saving equipment cost, facilitating production and increasing output

Inactive Publication Date: 2020-10-09
毕节远大新型环保建材(集团)有限责任公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The invention proposes an additive for anti-slump concrete and its preparation method, which solves the problem of low cement slump

Method used

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  • Additive for anti-collapse concrete and preparation method thereof
  • Additive for anti-collapse concrete and preparation method thereof
  • Additive for anti-collapse concrete and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] An additive for anti-slump concrete, the additive includes an early strength agent, an accelerator and an anti-slump agent, and the raw material weight ratio of the early-strength agent, the accelerator and the anti-slump agent is 2:3:4;

[0031] The early strength agent is calcium chloride 5KG, calcium carbonate 15KG, triethanolamine 80KG;

[0032] As the accelerator, 30KG of bauxite, 30KG of quicklime, and 40KG of sodium carbonate are selected;

[0033] The raw materials of the anti-slump agent include by weight: 40KG of polyether glycol and 60KG of propylene glycol.

[0034] Additives also include high-strength cement.

[0035] A preparation method of an additive for anti-slump concrete, comprising the following steps:

[0036] S1: Heat the mixer, add 80KG triethanolamine to the mixer, then add 15KG calcium carbonate and 5KG calcium chloride in turn, stir, keep the temperature at 50 degrees Celsius and stir for 1 hour, then take it out and store it separately;

[...

Embodiment 2

[0043] An additive for anti-slump concrete, the additive includes an early strength agent, an accelerator and an anti-slump agent, and the raw material weight ratio of the early-strength agent, the accelerator and the anti-slump agent is 2:3:4;

[0044] The early strength agent is calcium chloride 7KG, sodium chloride 3KG, water glass 2KG, sodium aluminate 3KG, calcium carbonate 10KG, triethanolamine 75KG;

[0045] Accelerator selects bauxite 40G, quicklime 35KG, sodium carbonate 25KG;

[0046] The raw materials of the anti-slump agent include by weight: 50KG of polyether glycol and 50KG of propylene glycol.

[0047] Additives also include high-strength cement.

[0048] A preparation method of an additive for anti-slump concrete, comprising the following steps:

[0049] S1: Heat the mixer, add calcium chloride 7KG, sodium chloride 3KG, water glass 2KG, sodium aluminate 3KG, calcium carbonate 10KG, triethanolamine 75KG into the mixer, stir, and keep stirring at 50 degrees Cel...

Embodiment 3

[0056] An additive for anti-slump concrete, the additive includes an early strength agent, an accelerator and an anti-slump agent, and the raw material weight ratio of the early-strength agent, the accelerator and the anti-slump agent is 2:3:4;

[0057] The early strength agent is calcium chloride 10KG, sodium chloride 5KG, water glass 5KG, sodium aluminate 5KG, calcium carbonate 15KG, triethanolamine 60KG;

[0058] Accelerator selects bauxite 50G, quicklime 40KG, sodium carbonate 10KG;

[0059] The raw materials of the anti-slump agent include by weight: 60KG of polyether glycol and 40KG of propylene glycol.

[0060] Additives also include high-strength cement.

[0061] A preparation method of an additive for anti-slump concrete, comprising the following steps:

[0062] S1: Heat the mixer, add calcium chloride 10KG, sodium chloride 5KG, water glass 5KG, sodium aluminate 5KG, calcium carbonate 15KG, triethanolamine 60KG into the mixer, stir, and keep stirring at 50 degrees C...

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Abstract

The invention discloses an additive for anti-collapse concrete and a preparation method thereof, relates to the technical field of concrete additive production, and aims at the problem that existing cement is low in slump. The following scheme is put forward: the additive comprises an early strength agent, an accelerator and an anti-collapse agent, wherein the weight ratio of the early strength agent to the accelerator to the anti-collapse agent is 2: 3:4. The additive is simple in structure and convenient to use, the drying degree of concrete can be improved, meanwhile, the surface drying speed is high, the strength of initial concrete is improved, the surface reaction speed is increased, then the slump of the concrete is increased, certain construction requirements are met, the production efficiency of products is improved to a certain degree, the yield is increased, and production is facilitated.

Description

technical field [0001] The invention relates to the technical field of concrete additive production, in particular to an additive for anti-slump concrete and a preparation method thereof. Background technique [0002] Concrete refers to the collective name of engineering composite materials that use cementitious materials to cement aggregates into a whole. The term concrete usually refers to the use of cement as cementitious material, sand and stone as aggregates; it is mixed with water in a certain proportion, The cement concrete obtained by mixing is widely used in civil engineering. In some different occasions, it is necessary to put forward different requirements for the performance of concrete to meet different work needs. [0003] Especially in the construction process of some complex sites, some parts cannot be well installed and limited by formwork. Because the concrete contains more water, it forms a certain fluidity and its slump is small. Changing the ratio of ce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/32
CPCC04B40/0039C04B22/124C04B22/06C04B22/10C04B22/08C04B22/064C04B24/122C04B24/32C04B24/026C04B12/04
Inventor 潘超
Owner 毕节远大新型环保建材(集团)有限责任公司