Surface cleaning agent dedicated to exposed pervious concrete and preparation and application methods thereof

A technology of permeable concrete and surface cleaning agent, applied in the field of surface cleaning agent, can solve the problems of environmental temperature change, high sensitivity to fluctuation of spraying amount, affecting the construction quality of exposed permeable concrete, uncontrollable penetration depth, etc., so as to inhibit the hydration process. , delaying the setting and hardening time, the effect of good treatment effect

Active Publication Date: 2013-12-04
广西中建西部建设有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at present, commercially available concrete surface cleaning agents have the disadvantages of high sensitivity to environmental temperature changes, spraying volume fluctuations, unco

Method used

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  • Surface cleaning agent dedicated to exposed pervious concrete and preparation and application methods thereof
  • Surface cleaning agent dedicated to exposed pervious concrete and preparation and application methods thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1~8

[0025] A special surface cleaning agent for exposed permeable concrete, which consists of three components: composition a, colorant b and filler c. The composition a contains cement retarder, water reducer, consistency regulator, water retention agent and Water, calculated by mass percentage, is 5-25% of cement retarder, 0.5-2% of water-reducing agent, 0.05-50% of consistency regulator, 0.05-0.5% of water-retaining agent, and 44-90% of water; the colorant b The mass of the filler c accounts for 10-50% of the composition a, and the mass of the filler c accounts for 50-200% of the composition a.

[0026] Table 1 is the composition and the proportioning of each component of the surface cleaning agent dedicated to exposed permeable concrete described in Examples 1 to 8 of the present invention, wherein the sum of the mass fractions of each component in composition a is 100%, a: b is the mass ratio of composition a to colorant b, and a:c is the mass ratio of composition a to filler...

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Abstract

The invention discloses a surface cleaning agent dedicated to exposed pervious concrete, which comprises a composition a, a coloring agent b and a filling material c, wherein the composition a comprises the following raw materials by weight: 5 to 25 % of a cement retarder, 0.5 to 2 % of a water reducer, 0.05 to 50 % of a consistence modifier, 0.05 to 0.5% of a water-retaining agent and 44 to 90 % of water; the mass of the coloring agent b is 10 to 50 % of that of the composition a; the mass of the filling material c is 50 to 200 % of that of the composition a. The surface cleaning agent is stable in property, the spray quantity is fluctuated in a certain range, the effect influence by the environmental temperature change is small, sound washing effect can be realized in 20 to 48 h after the spraying, the penetration depth is appropriate, the condition that the surface cleaning agent penetrates into root parts of stones can be prevented, the normal development of the cement paste strength at the root parts of the stones cannot be influenced, and the condition that the surface layer stones of the exposed pervious concrete fall off is avoided.

Description

technical field [0001] The invention relates to a concrete surface treatment agent, in particular to a special surface cleaning agent for exposed and permeable concrete. Background technique [0002] Permeable concrete is a kind of porous concrete made by mixing coarse aggregate, cementitious materials (including cement, mineral admixtures, etc.), water and admixtures, etc. It has the characteristics of air permeability and water permeability. [0003] Compared with ordinary permeable concrete, exposed permeable concrete adds a surface treatment process, that is, after the permeable concrete is formed, a layer of surface cleaning agent is evenly sprayed on the surface immediately to ensure that the cement paste does not condense within a certain period of time. Hardening, it is easy to wash and expose the true color of the surface layer coarse aggregate, so that it has a good natural pavement decoration effect, and does not affect the normal hardening of the cement paste at ...

Claims

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Application Information

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IPC IPC(8): C04B41/50C04B40/06
Inventor 陈景徐芬莲卢佳林赵晚群王业江王凤玲王晶晶
Owner 广西中建西部建设有限公司
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