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Water permeable brick prepared from construction waste and preparation method of water permeable brick

A technology of construction waste and permeable bricks, applied in the field of building materials, can solve the problems of low water permeability of permeable bricks, waste of construction waste resources, poor sound absorption effect, etc., achieve good sound absorption effect, obvious sound absorption effect, and improve sound absorption effect

Active Publication Date: 2019-05-24
NEIJIANG NORMAL UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The purpose of the present invention is to provide a permeable brick prepared by using construction waste and its preparation method. On the one hand, it solves the problem of waste of construction waste resources, and on the other hand, it solves the problems of low water permeability and poor sound absorption effect of existing permeable bricks.

Method used

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  • Water permeable brick prepared from construction waste and preparation method of water permeable brick
  • Water permeable brick prepared from construction waste and preparation method of water permeable brick
  • Water permeable brick prepared from construction waste and preparation method of water permeable brick

Examples

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Embodiment 1

[0036] The permeable brick prepared from construction waste in this embodiment is made of the following raw materials: 100 parts by weight of construction waste aggregate, 15 parts of kaolin, 40 parts of fly ash, 2 parts of water reducing agent and 20 parts of water; wherein, the construction waste aggregate includes: waste concrete, waste bricks and tiles, waste stone, ceramsite, waste gypsum and waste glass, the mass ratio of which is 1:1:0.8:1.2:0.5:0.4.

[0037] The ceramsite in this embodiment includes primary ceramsite with a particle size of 6mm and secondary ceramsite with a particle size of 3mm prepared according to the above method, the primary ceramsite accounts for 60% of the total mass of the ceramsite, and the Secondary ceramsite accounts for 40% of the total mass of ceramsite.

[0038] The preparation method of the permeable brick prepared by utilizing construction waste in this embodiment includes:

[0039] (1) Construction waste aggregate pretreatment

[004...

Embodiment 2

[0048] The preparation method of this embodiment is the same as that of Example 1, except that the raw materials are different.

[0049] The permeable brick prepared from construction waste in this embodiment is made of the following raw materials: 100 parts by weight of construction waste aggregate, 10 parts of kaolin, 50 parts of fly ash, 1 part of water reducer and 30 parts of water; wherein, the construction waste aggregate includes: waste concrete, waste bricks and tiles, waste stone, ceramsite, waste gypsum and waste glass, the mass ratio of which is 1:0.8:0.5:1:0.4:0.5.

[0050] The ceramsite in this embodiment includes primary ceramsite with a particle size of 6mm and secondary ceramsite with a particle size of 3mm prepared according to the above method, the primary ceramsite accounts for 60% of the total mass of the ceramsite, and the Secondary ceramsite accounts for 40% of the total mass of ceramsite.

Embodiment 3

[0052] The preparation method of this embodiment is the same as that of Example 1, except that the raw materials are different.

[0053] The permeable brick prepared from construction waste in this embodiment is made of the following raw materials: 100 parts by weight of construction waste aggregate, 20 parts of kaolin, 30 parts of fly ash, 5 parts of water reducing agent and 15 parts of water; wherein, the construction waste aggregate includes: waste concrete, waste bricks and tiles, waste stone, ceramsite, waste gypsum and waste glass, the mass ratio of which is 1:0.9:0.6:1.5:0.6:0.6.

[0054] The ceramsite in this embodiment includes primary ceramsite with a particle size of 6mm and secondary ceramsite with a particle size of 3mm prepared according to the above method, the primary ceramsite accounts for 60% of the total mass of the ceramsite, and the Secondary ceramsite accounts for 40% of the total mass of ceramsite.

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Abstract

The invention discloses a water permeable brick prepared from construction waste and a preparation method of the water permeable brick, and belongs to the technical field of building materials. According to the water permeable brick, the construction waste serves as an aggregate, and kaolin, fly ash, water reducing agents and water are added, wherein the construction waste aggregate mainly comprises waste concrete, waste tiles, waste stone, ceramsite, waste gypsum and waste glass. The water permeable brick has the advantages that the problem of resource waste is solved, and resources are recycled; the air permeable brick with high water permeability, high strength and good sound absorption effect is obtained through reasonable material selection and raw material grading, and has a good reduction effect on noise pollution caused by urban pavement construction, especially noise pollution caused by vehicles on the road to surrounding houses; due to the good absorbing effect on low frequency noise, the water permeable brick can be also applied to pavement laying for tunnel lights to reduce tunnel noise pollution. The preparation process of the water permeable brick is simple, and production and manufacture are facilitated.

Description

technical field [0001] The invention relates to the technical field of building materials, in particular to a permeable brick prepared from construction waste. Background technique [0002] Permeable brick is an urban permeable pavement material that has developed rapidly in recent years, and is favored by municipal departments of various cities. With the rise and development of sponge city construction, the demand for permeable bricks is increasing. However, the existing permeable bricks can only meet the general water permeability requirements, the water permeability is not high, the flexural strength is low and the function is relatively single. In addition, with the rapid development of urban construction and the sharp increase of urban traffic, the construction of traffic roads and residential houses has been accelerated. Due to the widening of roads and people's large demand for residential houses, many houses are built close to the roads, causing serious noise pollu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C04B33/132C04B33/13C04B33/135C04B38/08C04B38/02
CPCY02P40/60
Inventor 祝云华文泉霖周丽李讯李达伟
Owner NEIJIANG NORMAL UNIV
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