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Colored concrete as well as preparation method and application method thereof

A technology of colored concrete and white cement, applied in the field of concrete, can solve the problems of no-suggestion, and achieve the effects of high durability, uniform color distribution, and improved durability.

Inactive Publication Date: 2017-05-17
BEIJING TAIPINGYANG CEMENT PROD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, there is no solution to the fading problem. Fading of colored concrete will make it lose its colorful meaning and be no different from ordinary concrete. Therefore, slowing down the fading of colored concrete is very important for evaluating the overall durability of colored concrete.

Method used

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  • Colored concrete as well as preparation method and application method thereof
  • Colored concrete as well as preparation method and application method thereof

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Experimental program
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Embodiment

[0050] The preparation method of colored concrete is as follows:

[0051] Step 1: Put white cement, fly ash, mineral powder, pigment, natural sand, crushed pebbles, slump retaining agent and polycarboxylate water reducer into their respective raw material bins for pre-homogenization;

[0052] Step 2: Carry out continuous batching according to weight ratio;

[0053] Step 3: Mix the prepared white cement, admixtures, pigments, coarse and fine aggregates in a forced mixer for 0.5-1 minute;

[0054]Step 4: Add water and admixture and stir for 0.5-1 minute to get colored concrete wet material.

[0055] The application method of colored concrete is as follows:

[0056] S1: After the colored concrete is poured, vibrate until the density is 2350-2450kg / cm 3 ;

[0057] S2: After finishing the vibration in S1, evenly brush a layer of protective agent on the surface of the colored concrete.

[0058] The difference of each embodiment is only that the quality of each component is diff...

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Abstract

The invention discloses colored concrete which comprises the following components in parts by weight: 180-220 parts of white cement, 150-200 parts of a mineral admixture, 800-900 parts of fine aggregate, 900-1100 parts of coarse aggregate, 6-10 parts of pigments, 8-12 parts of additives and 170-180 parts of water. A preparation method of the colored concrete comprises the following steps: adding different components into respective raw material cabins, pre-homogenizing, performing continuous blending according to a weight ratio, stirring the blended white cement, the material admixture, the pigments and the fine aggregate for 0.5-1 minute in a compulsive stirring machine, adding water and the additives, and stirring for 0.5-1 minute. An application method of the colored concrete comprises the following steps: casting the colored concrete, vibrating the colored concrete till the density is 2350-2450kg / cm<3>, and coating the surface of the colored concrete with a protection agent. The colored concrete is not liable to fade, and the overall durability can be improved.

Description

technical field [0001] The invention relates to the technical field of concrete, more specifically, it relates to a colored concrete and its preparation method and application method. Background technique [0002] As one of the most important building materials at present, concrete can not only be used as a building material, but also has a certain decorative effect. With the development of the construction industry, the decoration requirements for the ground and building exterior walls are also increasing. In order to create a more comfortable And humanized working and living environment, the application of colored concrete is more and more extensive. [0003] Colored concrete is mostly made of white cement, colored cement mixed with colored pigments, colored aggregate and white or light-colored aggregate in a certain proportion. If color pigments are added during the preparation of ordinary concrete, due to the high viscosity of the concrete, the particle size of the pigm...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2201/20C04B2201/50
Inventor 查显跃邱永侠
Owner BEIJING TAIPINGYANG CEMENT PROD CO LTD
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