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Self-leveling concrete castable preparation device

A self-leveling concrete and preparation device technology, applied in the field of concrete, can solve the problems of reducing the speed of preparation, poor mixing uniformity and lower production quality of slurry, so as to reduce the loss of slump, suppress the tendency of segregation, and control the effect of cracks

Active Publication Date: 2022-05-13
珠海市振业混凝土有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In the preparation process of self-leveling concrete slurry in the prior art, each component is put in in batches, and the stacking of different raw materials affects the uniformity of mixing and stirring efficiency, which reduces the speed of preparation, and the coal ash and mineral powder in it are mixed with cement. Poor mixing uniformity reduces slurry production quality

Method used

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  • Self-leveling concrete castable preparation device
  • Self-leveling concrete castable preparation device
  • Self-leveling concrete castable preparation device

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0027] A self-leveling concrete pouring material, 302 parts of cement, 88 parts of coal powder, 97 parts of mineral powder, 765 parts of fine sand, 898 parts of gravel, 10 parts of admixture, 1 part of organic fiber, and 190 parts of water.

[0028] The admixture is composed of the following parts by weight: 10% surfactant, 26% gelling agent, 26% water reducing agent, 12% swelling agent, and 26% curing agent.

[0029] The water reducer is a polycarboxylate high-efficiency water reducer, the gravel particle size is 5mm-10mm continuously graded gravel, and the mud content of the gravel is 0.5%.

Embodiment 2

[0031] A self-leveling concrete pouring material, comprising 315 parts of cement, 95 parts of coal powder, 100 parts of mineral powder, 745 parts of fine sand, 900 parts of gravel, 10 parts of admixture, 1 part of organic fiber, and 190 parts of water.

[0032] The admixture is composed of the following parts by weight: 10% surfactant, 26% gelling agent, 26% water reducing agent, 12% swelling agent, and 26% curing agent.

[0033] The water reducer is a polycarboxylate high-efficiency water reducer, the gravel particle size is 5mm-10mm continuously graded gravel, and the mud content of the gravel is 0.5%.

Embodiment 3

[0035] A self-leveling concrete castable, comprising 336 parts of cement, 97 parts of coal powder, 108 parts of mineral powder, 707 parts of fine sand, 900 parts of gravel, 10 parts of admixture, 1 part of organic fiber, and 190 parts of water.

[0036] The admixture is composed of the following parts by weight: 10% surfactant, 26% gelling agent, 26% water reducing agent, 12% swelling agent, and 26% curing agent.

[0037] The water reducer is a polycarboxylate high-efficiency water reducer, the gravel particle size is 5mm-10mm continuously graded gravel, and the mud content of the gravel is 0.5%.

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Abstract

The invention discloses a self-leveling concrete pouring material and a preparation device thereof, belonging to the technical field of concrete; a self-leveling concrete pouring material is composed of the following parts by weight: 300-350 parts of cement, 80-100 parts of coal powder, ore 90-110 parts of powder, 800-900 parts of fine sand, 700-800 parts of crushed stone, 10-12 parts of admixture, 1-2 parts of organic fiber, and 180-200 parts of water; the invention significantly improves the quality of concrete by adding organic fiber Excellent crack resistance and impermeability, impact resistance, earthquake resistance and fire resistance, prolong the service life of the project and improve the durability of concrete.

Description

technical field [0001] The invention relates to the technical field of concrete, in particular to a preparation device for self-leveling concrete castables. Background technique [0002] Concrete is one of the most important civil engineering materials in contemporary building materials. It has many advantages: abundant raw materials, low price, simple production process, high compressive strength and good durability. However, in ordinary concrete, the porosity of the interface area is higher than that of cement stone, and the pore structure formed by micro-bleeding due to vibration, the accumulation of air bubbles and the local water-cement ratio in the interface area are more serious; in addition, When the slump of conventional concrete exceeds 12cm, it is easy to cause concrete segregation. [0003] Self-leveling concrete can produce fresh concrete that can be easily pumped, does not require vibratory operations for leveling and does not cause segregation, and can produc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/00B28C5/16B28C7/06B28C7/00C04B111/20C04B111/27C04B111/28C04B111/62
CPCC04B28/00B28C5/16B28C7/06B28C7/0007C04B2111/20C04B2111/27C04B2111/28C04B2111/62C04B18/141C04B14/02C04B14/06C04B2103/40C04B2103/0068C04B2103/302C04B14/022
Inventor 王葆霞王永
Owner 珠海市振业混凝土有限公司
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