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High-strength water seepage brick from building reclaimed material and preparation method of same

A high-strength, permeable brick technology, applied in the field of permeable bricks, can solve the problems of low compressive strength and bending strength of permeable bricks, affect service life, poor water permeability, etc., and achieve UV resistance and weather resistance Improvement and improvement of weather resistance and high strength effect

Inactive Publication Date: 2018-10-02
广东怡兴食品有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Most of the permeable bricks on the market are burnt-free bricks formed by mixing and pressing industrial waste slag or recycled aggregate and cement. This brick uses large-grained raw materials, and the resulting brick has many voids inside and has good water seepage performance. The compressive strength and flexural strength of the permeable bricks obtained from the material are not high, and they are easy to break when under pressure, or produce tiny cracks inside, which affects their service life; in order to improve the strength of the permeable bricks, clay is added as a cementitious material, and the bricks high temperature firing
Due to the small particles of clay, the inside of the formed brick is dense. Although the strength is improved, the clay blocks the gaps inside the brick, and its water permeability is not good.

Method used

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  • High-strength water seepage brick from building reclaimed material and preparation method of same

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Effect test

Embodiment 1

[0024] A high-strength permeable brick prepared from building recycled materials, comprising the following components in parts by mass: 30 parts of recycled fine aggregate, 40 parts of recycled sand, 5 parts of modified aramid fiber, 5 parts of fly ash, and 15 parts of cement , 2 parts of epoxy adhesive, 0.7 part of industrial waste acid residue, 0.5 part of water reducing agent, 2 parts of mineral pigment, 0.5 part of water penetrating agent and 16 parts of water.

[0025] Its preparation method is as follows:

[0026] (1) Cut 5 parts of aramid fibers into short fibers of 10-20mm, soak them in acrylic emulsion containing 2wt% benzotriazole compounds and 1wt% hindered amine compounds for 10min, and dry them to obtain modified aramid fibers fiber, spare;

[0027] (2) Calcinate 5 parts of fly ash at 800°C for 1 hour, cool, add 0.4 parts of limestone powder, 0.2 parts of sodium sulfate and 5 parts of water, mix ball mill, dry to obtain activated fly ash, and set aside;

[0028]...

Embodiment 2

[0031]A high-strength permeable brick prepared from recycled building materials, comprising the following components by mass: 35 parts of recycled fine aggregate, 40 parts of recycled sand, 7 parts of modified aramid fiber, 6 parts of fly ash, and 17 parts of cement , 3 parts of epoxy adhesive, 0.8 part of industrial waste acid residue, 0.6 part of water reducing agent, 2 parts of mineral pigment, 0.5 part of water penetrating agent and 17 parts of water.

[0032] Its preparation method is as follows:

[0033] (1) Cut 7 parts of aramid fibers into short fibers of 10-20mm, soak them in acrylic emulsion containing 1wt% benzotriazole compound and 3wt% hindered amine compound for 5min, and dry to obtain modified aramid fiber fiber, spare;

[0034] (2) Calcinate 6 parts of fly ash at 900°C for 1 hour, cool, add 0.3 parts of limestone powder, 0.3 parts of sodium sulfate and 7 parts of water, mix and ball mill, dry to obtain activated fly ash, and set aside;

[0035] (3) The pre-pr...

Embodiment 3

[0038] A high-strength permeable brick prepared from building recycled materials, comprising the following components in parts by mass: 40 parts of recycled fine aggregate, 32 parts of recycled sand, 5 parts of modified aramid fiber, 5 parts of fly ash, and 17 parts of cement , 3 parts of epoxy adhesive, 0.8 part of industrial waste acid residue, 0.5 part of water reducing agent, 1 part of mineral pigment, 0.3 part of water penetrating agent and 16 parts of water.

[0039] Its preparation method is as follows:

[0040] (1) Cut 5 parts of aramid fibers into short fibers of 10-20mm, soak them in acrylic emulsion containing 2wt% benzotriazole compounds and 1wt% hindered amine compounds for 10min, and dry them to obtain modified aramid fibers fiber, spare;

[0041] (2) Calcinate 5 parts of fly ash at 1000°C for 0.5h, cool, add 0.03 parts of limestone powder, 0.4 parts of sodium sulfate and 6 parts of water, mix ball mill, dry to obtain activated fly ash, and set aside;

[0042] ...

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Abstract

The invention discloses a high-strength water seepage brick from building reclaimed material and a preparation method of same. The high-strength water seepage brick includes 30-40 parts of reclaimed fine aggregate, 30-40 parts of reclaimed sand, 5-10 parts of modified aramid fibers, 3-8 parts of fly ash, 10-20 parts of cement, 2-5 parts of a binder, 0.5-1 part of industrial waste acid residue, 0.3-0.8 parts of a water reducer, 0.5-3 parts of mineral pigment, 0.3-0.5 parts of a water penetrating agent, and 10-20 parts of water. The water seepage brick is improved in compression strength and bending strength, is prepared from environment-friendly and easy-to-obtain raw materials, and is simple in preparation method.

Description

technical field [0001] The invention relates to the technical field of water seepage bricks, in particular to a high-strength water seepage brick prepared from building recycled materials and a preparation method thereof. Background technique [0002] Seepage brick is a green and environment-friendly building material. Its raw materials are mostly cement, sand, slag, fly ash and other materials. After high-pressure molding, it has good water permeability, wear resistance and anti-skid performance. It can penetrate into the ground through permeable bricks and become groundwater, avoiding the phenomenon of urban waterlogging caused by too much rain on the road surface; on sunny days, groundwater and water retained in bricks can evaporate, adjust the air humidity and temperature in the city, and improve the urban "heat island" effect". [0003] Most of the permeable bricks on the market are burnt-free bricks formed by mixing and pressing industrial waste slag or recycled aggre...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B28/04C04B18/16C04B16/06C04B20/10C04B22/00C04B18/08C04B38/00
CPCC04B16/0691C04B18/08C04B18/16C04B20/1033C04B22/0006C04B28/04C04B38/0041C04B2111/00284C04B2201/50C04B24/281C04B2103/302C04B2103/54C04B2103/0068C04B22/002C04B20/1022Y02W30/91
Inventor 沈小葵
Owner 广东怡兴食品有限公司
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