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A green environmental protection high-strength permeable brick

A green and environmentally friendly permeable brick technology, applied in the field of building materials, can solve the problems of reduced water permeability and low compressive strength of permeable bricks, and achieve good economic and social benefits, suitable for popularization and application, and convenient construction

Active Publication Date: 2018-04-06
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 this permeable brick is generally low, and the water permeability does not change much in the first year. However, in rainy and snowy weather, when encountering muddy water, the mud in the muddy water will block the gaps inside the permeable brick, and the water permeability is between the second and the second. It will drop by 50% in 3 years, greatly reducing the water permeability

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0035] Water-permeable and wear-resistant layer ratio (parts by weight): cement 18, quartz sand 12, porous fine aggregate 65, silica fume 2, water 4.5, reinforcing agent 4 and pigment (iron oxide red) 5.5;

[0036] Permeable layer ratio (parts by weight): calcium carbide mud 10, fly ash 6, mineral powder 6, cement 2, ceramsite 8, porous coarse aggregate 70, water-permeable agent 3, water 5.5;

[0037] The mass ratio of the water-permeable wear-resistant layer to the water-permeable layer is 1:8.

[0038] Porous fine aggregate, porous coarse aggregate: After high-temperature smelting and calcination of blast furnace slag, the calcination temperature of high-temperature calcination is 1300 ° C, and the calcination time is 30 minutes. The mineral components include tricalcium silicate, dicalcium silicate, tricalcium aluminate, etc. The active material has hydraulic properties, and the surface of the particles is rough. The internal structure itself is covered with a variety of na...

Embodiment 2

[0045]Permeable and wear-resistant layer ratio (parts by weight): cement 20, quartz sand 15, porous fine aggregate 70, silica fume 3, water 6, reinforcing agent 5 and pigment (iron oxide yellow) 8;

[0046] Permeable layer ratio (parts by weight): calcium carbide mud 15, fly ash 8, mineral powder 8, cement 3, ceramsite 10, porous coarse aggregate 75, water-permeable agent 4, water 8;

[0047] The mass ratio of the water-permeable wear-resistant layer to the water-permeable layer is 1:8.

[0048] The porous fine aggregate and porous coarse aggregate: after high-temperature smelting and calcining of steel slag, the calcining temperature of high-temperature calcining is 1250°C, and the calcining time is 35 minutes. The mineral components include tricalcium silicate, dicalcium silicate and tricalcium aluminate The active substances such as granules are hydraulically hard, and the surface of the particles is rough. The internal structure itself is covered with a variety of naturall...

Embodiment 3

[0055] Permeable and wear-resistant layer ratio (parts by weight): cement 15, quartz sand 10, porous fine aggregate 60, silica fume 1, water 3, reinforcing agent 3 and pigment (iron oxide red) 3;

[0056] Permeable layer ratio (parts by weight): calcium carbide mud 5, fly ash 5, mineral powder 5, cement 1, ceramsite 5, porous coarse aggregate 65, water-permeable agent 2, water 3;

[0057] The mass ratio of the water-permeable wear-resistant layer to the water-permeable layer is 1:8.

[0058] The porous fine aggregate and porous coarse aggregate: after high-temperature smelting and calcination of coal slag, the calcination temperature of high-temperature calcination is 1350° C., and the calcination time is 25 minutes. The mineral components include tricalcium silicate, dicalcium silicate and tricalcium aluminate The active substances such as granules are hydraulically hard, and the surface of the particles is rough. The internal structure itself is covered with a variety of nat...

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Abstract

The invention discloses an environment-friendly high-strength permeable brick which comprises permeable abrasion-resistant layers and permeable layers. The permeable abrasion-resistant layers comprise cement, quartz sand, porous fine aggregate, silica fume, water, reinforcing agents and pigment; the permeable layers comprise carbide slurry, fly ash, mineral powder, cement, ceramsite, porous coarse aggregate, permeable agents and water. The environment-friendly high-strength permeable brick has the advantages that permeable gaps and holes can be prevented from being blocked by dust or slurry owing to closed holes and the water absorption of the porous fine aggregate, the porous coarse aggregate and the ceramsite, and accordingly the pollution resistance and the permeability of the environment-friendly high-strength permeable brick can be enhanced; the compressive strength of the environment-friendly high-strength permeable brick is higher than or equal to 40.0 Mpa, the lengths of abrasion pits are shorter than or equal to 28 mm, the water retention of the environment-friendly high-strength permeable brick is higher than 0.8 g / cm<3>, the permeability coefficient of the environment-friendly high-strength permeable brick (at the temperature of 15 DEG C) is larger than 7.2*10<-2> cm / s, and decrease of the permeability of the environment-friendly high-strength permeable brick is lower than or equal to 20% after the environment-friendly high-strength permeable brick is used for 3 years.

Description

technical field [0001] The invention relates to a green and environment-friendly high-strength permeable brick, which belongs to the technical field of building materials. Background technique [0002] At present, in our country, most of the permeable bricks are sand-free concrete permeable bricks composed of natural gravel as the main resource through the interaction of cementitious materials, gravel and admixtures, or the bottom layer is fine aggregate and the surface layer is coarse Aggregate, realize the function of water permeability. The compressive strength of this permeable brick is generally low, and the water permeability does not change much in the first year. However, in rainy and snowy weather, when encountering muddy water, the mud in the muddy water will block the gaps inside the permeable brick, and the water permeability is between the second and the second. It will drop by 50% in 3 years, greatly reducing the water permeability. [0003] High-strength, hi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04
CPCC04B28/04C04B2201/50C04B14/06C04B18/08C04B22/002C04B22/126C04B14/308C04B22/10C04B18/142C04B14/46C04B18/141C04B2103/0068
Inventor 常秀丽韩金涛么传杰齐建忠李云峰邵永庆
Owner SHANDONG JINYI GARDEN SHARES CO LTD
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