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Static-pressure high-strength wear-resisting concrete anti-blocking and water-permeable brick and preparation method thereof

A technology of concrete and permeable bricks, applied in the field of building materials, can solve the problems of low compressive strength, poor water permeability, easy blockage, etc., achieve high comprehensive utilization index of resources, solve poor water permeability, and ensure the effect of water permeability

Active Publication Date: 2015-12-23
中建五局园林有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the problems of complex production process, low compressive strength, poor water permeability and easy blockage of the existing pavement permeable bricks, and provide a static pressure high-strength wear-resistant concrete anti-blocking permeable brick and its preparation method; The invention effectively solves the problems of poor water permeability and low compressive strength of pavement permeable bricks through optimized component design and reasonable component distribution ratio, and the production process is simple, which is convenient for popularization and application

Method used

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  • Static-pressure high-strength wear-resisting concrete anti-blocking and water-permeable brick and preparation method thereof
  • Static-pressure high-strength wear-resisting concrete anti-blocking and water-permeable brick and preparation method thereof
  • Static-pressure high-strength wear-resisting concrete anti-blocking and water-permeable brick and preparation method thereof

Examples

Experimental program
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Effect test

Embodiment 1

[0031] A static pressure high-strength wear-resistant concrete anti-blocking permeable brick of this embodiment, the proportion of each raw material per cubic meter is: 990kg of basalt gravel, 360kg of low-alkali cement, 34kg of silica fume, 15kg of slag powder, 10.5kg of first-grade Fly ash, 0.95kg pore forming agent, 2.8kg superplasticizer and 120kg clean tap water.

[0032] The permeable brick aggregate used in this example is basalt gravel with a particle size of 7-10mm produced by Ma'anshan Longma Stone Factory. The aggregate has high strength, uniform particle size and no impurities. The low-alkali cement is the model 42.5# low-alkali Portland cement produced by Tangshan Special Cement Factory. The water reducer is the JY-PCA polycarboxylate high-efficiency water reducer produced by Shanghai Lidian New Material Co., Ltd., the silica fume is 800 mesh silica fume produced by Suzhou Zunyue New Material Co., Ltd., and the pore-forming agent is Shanghai Lidian The phenolic r...

Embodiment 2

[0041] A static pressure high-strength wear-resistant concrete anti-blocking permeable brick of this embodiment is basically the same as that of Embodiment 1, except that the proportion of each raw material per cubic meter is: 1000 kg of basalt gravel, 390 kg of low-alkali cement, 36kg of silica fume, 13.5kg of slag powder, 9kg of first-class fly ash, 1.0kg of pore forming agent, 2.8kg of high-efficiency water reducer and 115kg of clean tap water.

[0042] Taking the preparation of anti-blocking permeable bricks with a volume of 1 cubic meter as an example, the process of preparing high-strength wear-resistant concrete anti-blocking permeable bricks in this example is as follows:

[0043] Take 1000kg of basalt gravel, 390kg of low-alkali cement, 36kg of 800-mesh silica fume, 13.5kg of slag powder, 9kg of fly ash and 115kg of water, put them into a gravity-free mixer, and stir them evenly for 5 minutes. Put 1.0kg of pore-forming agent and 2.8kg of water-reducing agent into the ...

Embodiment 3

[0046] A static pressure high-strength wear-resistant concrete anti-blocking permeable brick of this embodiment is basically the same as that of Embodiment 1, except that the proportion of each raw material per cubic meter is: 900 kg of basalt gravel, 260 kg of low-alkali cement, 31kg of silica fume, 8.5kg of slag powder, 7kg of first-class fly ash, 0.9kg of pore forming agent, 2.8kg of high-efficiency water reducer and 100kg of clean tap water.

[0047] Taking the preparation of anti-blocking permeable bricks with a volume of 1 cubic meter as an example, the process of preparing high-strength wear-resistant concrete anti-blocking permeable bricks in this example is as follows:

[0048] Take 900kg of basalt gravel, 260kg of low-alkali cement, 31kg of 800-mesh silica fume, 8.5kg of slag powder, 7kg of fly ash and 100kg of water, put them into a gravity-free mixer, and stir them evenly for 4 minutes. Put 0.9kg of pore-forming agent and 2.8kg of water-reducing agent into the obta...

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Abstract

The invention discloses a static-pressure high-strength wear-resisting concrete anti-blocking and water-permeable brick and a preparation method thereof, belonging to the technical field of building materials. The preparation method comprises the following steps: adding 900-1000 parts of basalt macadam, 260-390 parts of cement, 31-41 parts of silica fume, 8.5-18.5 parts of superfine slag powder, 7-11 parts of coal ash and 100-130 parts of water into a gravity-free stirring machine, and stirring for 3-5 minutes; then feeding 0.9-1.1 parts of a pore-forming agent and 2.8-3.2 parts of a water reducing agent into the mixed material, stirring for 1-2 minutes, and discharging for later use; standing for 2-3 minutes at normal temperature and pressure, charging the material into a static pressing machine, and pressing to form the concrete anti-blocking and water-permeable brick. By virtue of optimized component design and reasonable component ratio, the problems of poor water permeability, low compressive strength and the like of pavement water-permeable bricks are effectively solved, and furthermore, the production process is simple and is convenient to popularize and apply.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a static pressure high-strength wear-resistant concrete anti-blocking permeable brick and a preparation method thereof. Background technique [0002] With the development of economy and the acceleration of urbanization, the surface of modern cities is gradually covered by reinforced concrete buildings and impermeable roads. But these impermeable roads have brought many negative impacts to the ecological environment of the city. Concrete pavements lack the ability to breathe, absorb heat, and infiltrate rainwater compared to natural soil. A series of environmental problems ensued: the rainwater that can infiltrate the surface decreased significantly, and the underground water table in the city dropped sharply; A large amount of rainwater cannot penetrate into the ground in time, which may easily cause social problems such as roads being submerged and traffic paralyzed...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B38/00C04B28/00C04B18/30
CPCY02W30/91
Inventor 谢添锦谢明儿岳承丽
Owner 中建五局园林有限公司
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