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Water-permeable agent for water-permeable bricks or water permeable concrete and application of water-permeable agent

A technology of permeable concrete and water-permeable agent, which is applied in the field of building materials. It can solve the problems of mud easily blocking the gaps of permeable bricks, low compressive strength of permeable bricks, and poor water-permeable effect, and achieve low cost, good water absorption, and enhanced water permeability. Effect

Active Publication Date: 2017-01-25
SHANDONG JINYI GARDEN SHARES CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The compressive strength of the permeable bricks is generally low, and the mud is easy to block the gaps inside the permeable bricks, resulting in a greatly reduced water permeability, so the later maintenance costs are higher
At present, the admixtures used in permeable bricks are mainly to increase their strength, and the permeable effect is poor.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0036] Embodiment 1 (water-permeable agent for permeable brick)

[0037] Formula: polycarboxylate superplasticizer 85, desulfurized gypsum 200, dispersible latex powder 120, rosin air-entraining agent 60 and water 60.

[0038] Preparation method: Mix the above-mentioned raw materials uniformly by mechanical stirring to obtain the product.

Embodiment 2

[0051] Embodiment 2 (water-permeable agent for permeable concrete)

[0052] Formula: polycarboxylate superplasticizer 90, desulfurized gypsum 220, dispersible latex powder 120, rosin air-entraining agent 65 and water 80.

[0053] Preparation method: Mix the above-mentioned raw materials uniformly by mechanical stirring to obtain the product.

Embodiment 3

[0056] Embodiment 3 (water-permeable agent for permeable brick)

[0057] Formula: polycarboxylate water reducer 80, desulfurized gypsum 180, dispersible latex powder 100, rosin air-entraining agent 55 and water 55

[0058] Preparation method: Mix the above-mentioned raw materials uniformly by mechanical stirring to obtain the product.

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Abstract

The invention discloses a water-permeable agent for water-permeable bricks or water permeable concrete and application of the water-permeable agent. The water-permeable agent comprises, by weight, 75-110 parts of water reducing agent, 150-300 parts of retarder, 100-150 parts of binder, 55-70 parts of air entraining agent and 55-100 parts of water. The water-permeable agent has the advantages that the water-permeable agent can increase the workability of a water-permeable layer, increase water permeability and increase the durability and later strength of the water-permeable bricks and is low in adding amount and low in cost. The water-permeable bricks have the advatnages that the bricks use haycite and regenerated porous coarse aggregate as the aggregate of the water-permeable layer and use the water-permeable agent, the features of porosity, good water absorption performance and high strength of the aggregate and the good performance of the water-permeable agent are utilized to increase the strength and water permeability of the water-permeable bricks, and the bricks are lightweight and convenient to carry.

Description

Technical field [0001] The invention relates to a water-permeable agent for permeable bricks or permeable concrete and its application, and belongs to the technical field of building materials. Background technique [0002] Permeable bricks and permeable concrete can absorb and utilize rainfall on site, quickly replenish groundwater resources, reduce the waste of urban water resources, and alleviate the drainage pressure of urban sewers. With the construction of sponge cities in various cities, permeable bricks and permeable concrete will have broad market prospects. During the preparation process of permeable bricks and permeable concrete, admixtures that improve their properties need to be used. [0003] Permeable concrete has the characteristics of low water-cement ratio and no fine aggregate. Currently, most permeable concrete and permeable bricks are replaced by ordinary concrete admixtures, such as cementing agents. The use of the above-mentioned cementing agents can...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B24/34C04B38/08C04B28/04
CPCC04B28/04C04B40/0039C04B2111/00284C04B2111/00612C04B2201/50C04B2103/302C04B22/145C04B2103/0057C04B24/34C04B14/06C04B18/027C04B18/146C04B2103/0068C04B14/308C04B38/08C04B18/0418C04B18/08C04B18/12C04B18/023
Inventor 孙忠伟么传杰常秀丽李云峰鲁萌萌
Owner SHANDONG JINYI GARDEN SHARES CO LTD
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