Pervious concrete

A technology for permeable concrete and waste concrete, applied in the field of concrete, can solve problems such as ecological environment imbalance, and achieve the effects of reducing mining, increasing economic added value, and maintaining ecological balance.

Inactive Publication Date: 2019-11-29
北京普林德科技发展有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, for a long time, the development of the traditional construction industry has mostly been realized at the cost of

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Example Embodiment

[0022] Example 1

[0023] The embodiment of the present invention discloses an environmentally friendly permeable concrete, which is prepared from the following raw materials in parts by weight: prepared from the raw materials in the following optimal parts by weight: 245 parts of waste concrete aggregate, gypsum powder 168 parts, 132 parts of cement, 46 parts of ferrochrome slag powder, 42 parts of silica fume, 23 parts of nano fillers and 5 parts of polycarboxylic acid water reducing agent;

[0024] Among them, the waste concrete aggregate is crushed from the waste concrete and manually sieved to remove large particles and grit impurities, washed with water to remove the clay, dust and grit and other impurities adhering to the aggregate itself, then dried, and then further sieved into granules Recycled fine aggregates with a diameter range of 3.23mm and recycled coarse aggregates of 5.68mm; the weight ratio of recycled fine aggregates to the recycled coarse aggregates is 1:4; nan...

Example Embodiment

[0025] Example 2

[0026] The embodiment of the present invention discloses an environmentally friendly permeable concrete, which is prepared from the following raw materials in parts by weight: prepared from the raw materials in the following optimal parts by weight: 210 parts of waste concrete aggregate, gypsum powder 152 parts, 108 parts of cement, 40 parts of ferrochrome slag powder, 30 parts of silica fume, 10 parts of nano fillers and 2 parts of polycarboxylic acid water reducing agent;

[0027] Among them, the waste concrete aggregate is crushed from the waste concrete and manually sieved to remove large particles and grit impurities, washed with water to remove the clay, dust and grit and other impurities adhering to the aggregate itself, then dried, and then further sieved into granules Recycled fine aggregate with a diameter range of 2.36mm and recycled coarse aggregate of 4.75mm; the weight ratio of recycled fine aggregate to the recycled coarse aggregate is 1:4; nano-fi...

Example Embodiment

[0028] Example 3

[0029] The embodiment of the present invention discloses an environmentally-friendly permeable concrete, which is prepared from the following raw materials in an optimal weight ratio: 305 parts of waste concrete aggregate, 183 parts of gypsum powder, 155 parts of cement, and 50 parts of ferrochrome slag powder , 50 parts of silica fume, 32 parts of nano fillers and 10 parts of polycarboxylic acid water reducing agent;

[0030] Among them, the waste concrete aggregate is crushed from the waste concrete and manually sieved to remove large particles and grit impurities, washed with water to remove the clay, dust and grit and other impurities adhering to the aggregate itself, then dried, and then further sieved into granules Recycled fine aggregate with a diameter range of 4.75mm and recycled coarse aggregate of 9.5mm; the weight ratio of recycled fine aggregate to the recycled coarse aggregate is 1:4; nano-filler is copper oxalate and copper tungstate, the mass rati...

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Abstract

The invention discloses a pervious concrete, which is prepared from the following raw materials by weight: 210-305 parts of waste concrete aggregate, 152-183 parts of gypsum powder, 108-155 parts of cement, 40-50 parts of ferrochrome slag powder, 30-50 parts of silica fume, 10-32 parts of nano-filler and 2-10 parts of a water reducing agent. The environment-friendly pervious concrete provided by the invention is prepared with industrial waste as the main raw material, avoids the pollution of industrial waste to the environment, and at the same time saves grit stone, land and other natural resources.

Description

technical field [0001] The invention relates to the technical field of concrete, and more specifically relates to a kind of permeable concrete. Background technique [0002] In the process of urbanization, the surface of modern cities is gradually hardened and covered by water-blocking materials such as buildings and concrete, forming an ecological "artificial desert". At the same time of great convenience, these impermeable pavements also have a great negative impact on the ecological environment of the city. First of all, the traditional ground pavement emphasizes the durability and usability of the ground, but this kind of pavement is impermeable, completely blocking the natural precipitation from the underlying soil and groundwater, and most of the precipitation is discharged into rivers and lakes through the urban drainage system pipe network In surface water sources such as the sea, coupled with the excessive extraction of urban groundwater, the urban groundwater leve...

Claims

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Application Information

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IPC IPC(8): C04B28/14C04B38/00C04B111/20C04B111/40
CPCC04B28/14C04B2111/00284C04B2111/2038C04B2111/40C04B2201/50C04B18/167C04B7/00C04B18/144C04B18/146C04B2103/302C04B22/16C04B22/08C04B38/0041C04B24/04
Inventor 胡新华
Owner 北京普林德科技发展有限公司
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