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A kind of permeable foam concrete

A foam concrete, water permeability technology

Active Publication Date: 2019-09-03
河南华泰新材科技股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, the concrete structure of the above-mentioned patent is dense and greasy, with high closed-cell rate, poor effect of continuous pores, and poor water-permeable and drainage effects.

Method used

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  • A kind of permeable foam concrete

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0024] A water-permeable foam concrete is prepared from the following raw materials in parts by weight: 160 parts of cement, 0.2 parts of a foaming agent, 2 parts of a water reducing agent, 1 part of an expanding agent, 1 part of a plasticizer and 90 parts of water.

[0025] The water-cement ratio of the permeable foam concrete is 0.56.

[0026] The cement is PO42.5 grade cement.

[0027] The water reducer is sodium lignosulfonate.

[0028] The swelling agent is ammonium nitrate.

[0029] Described plasticizer is phthalate.

[0030] The foaming agent comprises the following raw materials in parts by weight: 200 parts of foaming agent, 20 parts of foam stabilizer, 3 parts of flocculant, 1 part of thickener, 1.5 parts of preservative and 420 parts of water.

[0031] The foaming agent is fatty alcohol polyoxyethylene ether sodium sulfate AES; the foam stabilizer is coconut oil fatty acid diethanolamide 6501; the flocculant is polyethylene oxide; the thickener is hydroxypropyl ...

Embodiment 2

[0038] A water-permeable foam concrete is prepared from the following raw materials in parts by weight: 190 parts of cement, 0.25 parts of foaming agent, 2.5 parts of water reducing agent, 2 parts of expanding agent, 2 parts of plasticizer and 100 parts of water.

[0039] The water-cement ratio of the permeable foam concrete is 0.53.

[0040] Described cement is PO325 grade cement.

[0041] The water reducing agent is β-naphthalenesulfonate formaldehyde condensation product.

[0042] Described bulking agent is ammonium bicarbonate.

[0043] Described plasticizer is terephthalate.

[0044] The foaming agent comprises the following raw materials in parts by weight: 210 parts of foaming agent, 23 parts of foam stabilizer, 3.5 parts of flocculant, 1.5 parts of thickener, 2 parts of preservative and 430 parts of water.

[0045] The foaming agent is sodium lauryl sulfate K12; the foam stabilizer is coconut oil fatty acid diethanolamide 6501; the flocculant is polyacrylamide; and ...

Embodiment 3

[0051] A water-permeable foam concrete is made from the following raw materials in parts by weight: 200 parts of cement, 0.28 parts of foaming agent, 2.6 parts of water reducing agent, 2.5 parts of expanding agent, 2.5 parts of plasticizer and 100 parts of water.

[0052] The water-cement ratio of the permeable foam concrete is 0.5.

[0053] The cement is PO42.5 grade cement.

[0054] The water reducer is a water-soluble sulfonated acetone-formaldehyde polycondensate.

[0055] The swelling agent is ammonium nitrate.

[0056] Described plasticizer is benzoate.

[0057] The foaming agent comprises the following raw materials in parts by weight: 220 parts of foaming agent, 25 parts of foam stabilizer, 5 parts of flocculant, 1.5 parts of thickener, 2 parts of preservative and 450 parts of water.

[0058] The foaming agent is fatty alcohol polyoxyethylene ether sodium sulfate AES; the foam stabilizer is coconut oil fatty acid diethanolamide 6501; the flocculant is polyethylene oxi...

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Abstract

The invention belongs to the technical field of building materials, and in particular relates to a water-permeable foam concrete. The permeable foam concrete is made of the following raw materials in parts by weight: 160-420 parts of cement, 0.2-0.4 parts of foaming agent, 2-5 parts of water reducing agent, 1-5 parts of expanding agent, and 1-5 parts of plasticizer 5 parts and 90‑150 parts water. The foaming agent is made of the following raw materials in parts by weight: 200-260 parts of foaming agent, 20-30 parts of foam stabilizer, 3-8 parts of flocculant, 1-2 parts of thickener, 1.5 parts of preservative ‑2.5 parts and water 420‑480 parts. The water-permeable foam concrete of the present invention has a loose structure, does not feel greasy, has a good effect of connecting holes, has high water-permeable characteristics, and has high compressive strength at the same time, thereby improving the durability of the product.

Description

technical field [0001] The invention belongs to the technical field of building materials, and in particular relates to a water-permeable foam concrete. Background technique [0002] With the development of the city, after the heavy rain on the urban road surface, there is a great pressure on the water supply and drainage, and the landscape of the urban ocean often appears. The main reason is that the urban municipal pipe network is becoming more and more complicated, the drainage is not timely enough, and the drainage effect is also poor. In recent years, foamed concrete has become more and more popular in urban water supply and drainage. Foamed concrete is made by mechanically foaming the foaming agent through the foaming system of the foaming machine, and uniformly mixing the foam with cement slurry, and then foaming The pumping system of the machine is used for cast-in-place construction or mold forming. After natural curing, it is a new type of lightweight thermal insul...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/04
Inventor 郑胜利孙根生陈新阳秦建禄李科樊双双李果
Owner 河南华泰新材科技股份有限公司
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