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A production process of high-strength anti-penetration foam concrete

A technology of foam concrete and production process, applied in the field of foam concrete, can solve the problems of easy absorption, limited application range, poor permeability resistance of foam cement, etc., and achieve the effects of increasing compressive strength, inhibiting penetration, and expanding the scope

Active Publication Date: 2021-09-03
泰州市康泰建材科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, due to the high open cell ratio of foamed concrete, the compressive strength of foamed concrete is seriously low, which greatly limits its application range. At the same time, due to the destructive effects of Na, K, etc. Most of the pores in it are open pores, that is, the pores inside the concrete are connected, resulting in poor permeability resistance of the foamed cement. When the surface of the foamed concrete is cracked or damaged, it is easy to absorb external moisture, which seriously reduces the quality of the foamed concrete. service life

Method used

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  • A production process of high-strength anti-penetration foam concrete
  • A production process of high-strength anti-penetration foam concrete
  • A production process of high-strength anti-penetration foam concrete

Examples

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Effect test

Embodiment 1

[0051] see figure 1 , a high-strength anti-permeability foam concrete production process, the foam concrete includes the following ingredients according to the mass ratio: 100 parts of water, 120 parts of ordinary Portland cement, 90 parts of coated wollastonite powder, and 35 parts of natural sandstone in the lower reaches of the river 15 parts of fly ash, 10 parts of fiber mixture, 20 parts of cationic surfactant, 6 parts of silane waterproofing agent, 3 parts of antifreeze and early strength agent, 3 parts of water reducing agent, 7 parts of protein foaming agent and foam stabilizer 4 parts of agent, the fiber mixture is made by mixing lignin fiber and tensile fiber according to 1:0.9, the compressive strength of this foam concrete can be regulated by adjusting the ratio of lignin fiber and tensile fiber, with the tensile strength As the fiber content increases, the compressive strength of the foamed concrete will gradually increase, and its production process includes the ...

Embodiment 2

[0060] see figure 1 , a high-strength anti-permeability foam concrete production process, the foam concrete includes the following ingredients according to the mass ratio: 200 parts of water, 180 parts of ordinary Portland cement, 120 parts of coated wollastonite powder, and 40 parts of natural sandstone in the lower reaches of the river 20 parts of fly ash, 15 parts of fiber mixture, 25 parts of cationic surfactant, 8 parts of silane waterproofing agent, 5 parts of antifreeze and early strength agent, 5 parts of water reducing agent, 10 parts of protein foaming agent and foam stabilizer 5 parts of agent, the fiber mixture is mixed by lignin fiber and tensile fiber according to 1:1.2, by adjusting the ratio of lignin fiber and tensile fiber, the compressive strength of this foam concrete can be regulated, with the tensile strength As the fiber content increases, the compressive strength of the foamed concrete will gradually increase, and its production process includes the fol...

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Abstract

The invention discloses a production process of high-strength anti-penetration foam concrete, which belongs to the field of foam concrete. It is a production process of high-strength anti-penetration foam concrete. On the one hand, the step of adding high-strength semi-permeable particles in the production process, on the other hand On the one hand, when pouring into the mold, by mixing carbon fiber mesh into the foam concrete, a micro-skeleton is virtually built inside the foam concrete. Compared with the existing foam concrete with continuous openings, it significantly increases the At the same time, when the foam concrete absorbs external water, the water-soluble film in the high-strength semi-permeable particles can be broken by water, and the mixed particles of water-swellable rubber and silica gel can be sprinkled on the surface In and near the high-strength semi-permeable particles, the mixed particles of water-swellable rubber and silica gel will absorb and store water, and at the same time absorb water and expand to block the pores nearby, effectively inhibiting the penetration of water in the foam concrete.

Description

technical field [0001] The invention relates to the field of foam concrete, in particular to a production process of high-strength anti-permeation type foam concrete. Background technique [0002] Foamed concrete, also known as foamed cement, lightweight concrete, etc., is a new type of building energy-saving material that is waste-friendly, environmentally friendly, energy-saving, inexpensive and non-combustible. Lightweight concrete (foam concrete) is formed by introducing air or nitrogen, carbon dioxide, oxygen and other gases into the concrete slurry according to the application needs through chemical or physical means, and after reasonable maintenance and molding, it is formed to contain a large number of small closed pores, and Concrete products of considerable strength. The production of lightweight concrete (foamed concrete) is usually prepared by mechanical means to prepare foaming agent aqueous solution into foam. The specific operation is: mechanically prepare t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B38/10C04B28/04C04B20/10
Inventor 李金学李松荣
Owner 泰州市康泰建材科技有限公司
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