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Water pervious concrete and producing method thereof

A technology for permeable concrete and cement, applied in the field of permeable concrete and its production, can solve the problems of high cost, unfavorable energy saving and market promotion, etc.

Inactive Publication Date: 2008-03-26
天津工众生物技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The permeable brick formed by sintering method requires high temperature, resulting in high cost, which is not conducive to energy saving and market promotion

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0016] Example 1: The raw materials of the permeable concrete of the present invention are river sand with a weight ratio of 30%, gravel chips with a weight ratio of 40%, cement with a weight ratio of 20%, water with a weight ratio of 9%, and a polymer with a weight ratio of 1%. Ether (alkyl phenyl polyoxyethylene ether or polyether polyol). Among the total weight of river sand and gravel chips, the pellets with a particle diameter of 0.1-1 mm account for 50%, and the pellets with a particle diameter of 1-5 mm account for 50%. The production method is that the additives are first mixed in water, then mixed with other materials that have been mixed in advance, pressurized or vibrated to form.

Embodiment 2

[0017] Example 2: The raw materials of the permeable concrete of the present invention are river sand with a weight ratio of 30%, gravel chips with a weight ratio of 40%, cement with a weight ratio of 20%, water with a weight ratio of 9%, and a polymer with a weight ratio of 1%. Vinyl alcohol 1788-1799. Among the total weight of river sand and gravel chips, the granules with a particle size of 0.1-1 mm account for 40%, and the granules with a particle diameter of 1-5 mm account for 60%. The production method is that the additives are first mixed in water, then mixed with other materials that have been mixed in advance, pressurized or vibrated to form.

Embodiment 3

[0018] Example 3: The raw materials of the permeable concrete of the present invention are river sand with a weight ratio of 30%, gravel chips with a weight ratio of 40%, cement with a weight ratio of 20%, water with a weight ratio of 9%, and spit with a weight ratio of 1%. Temperature 80. Among the total weight of river sand and gravel chips, the pellets with a particle diameter of 0.1-1 mm account for 60%, and the pellets with a particle diameter of 1-5 mm account for 40%. The production method is that the additives are first mixed in water, then mixed with other materials that have been mixed in advance, pressurized or vibrated to form.

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PUM

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Abstract

The pervious concrete has materials including river sand, broken rock, cement and water as well as additive, which accounts for 0.5-5 wt% of the materials and includes water soluble tween, span, PVA, polyglycol, polyether and polyoxyethylene ether as well as sodium lignosulfonate and methanol. Of the river sand and broken rock, the grains of size in 0.1-1 mm account for 40-60 wt%, and the grains of size in 1-5 mm account for the rest. The pervious concrete has high water permeability, long service life, low cost and high mechanical strength, and makes it possible for rain water to be permeated to underground fast.

Description

Technical field [0001] The invention relates to a concrete, in particular to a permeable concrete and a production method thereof. Background technique [0002] Cement concrete is usually used as a material with good impermeability or good impermeability in various buildings (structures). It is also characterized by high strength, good wear resistance and durability, convenient construction, and low cost. Selected as the main material for municipal engineering. With the rapid development of municipal construction, in addition to green areas, urban areas are gradually covered by urban buildings and cement (asphalt) concrete roads. When it rains, there are often problems such as overloading of municipal facilities, traffic safety, and environmental pollution. A large amount of rainwater was discharged into the river, and the groundwater could not be replenished in time, which seriously affected the water environment balance system of the entire city. Therefore, it is imperative to ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/00C04B14/02C04B14/06
CPCC04B2111/00284C04B28/02
Inventor 马维马榴强
Owner 天津工众生物技术有限公司