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High-strength environment-friendly water-permeable material, preparation method thereof, and pavement prepared from the material

A permeable material and environmentally friendly technology, which is applied in clay preparation devices, chemical instruments and methods, and coagulation pavement for on-site paving, etc., can solve the problem of low overall strength of pavement materials, reduce urban heat island effect, and extend service life. , the effect of improving toughness

Active Publication Date: 2022-04-22
CHANGAN UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] Aiming at the above-mentioned problem of low overall strength of pavement materials used in existing permeable pavements, the present invention proposes a high-strength environment-friendly permeable material, a preparation method thereof and a pavement prepared by the material, which is improved by adding plastic ribs to the material. The toughness of pavement panels, by adding steel slag and reinforcing fibers to the material to increase the strength of pavement panels

Method used

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  • High-strength environment-friendly water-permeable material, preparation method thereof, and pavement prepared from the material
  • High-strength environment-friendly water-permeable material, preparation method thereof, and pavement prepared from the material
  • High-strength environment-friendly water-permeable material, preparation method thereof, and pavement prepared from the material

Examples

Experimental program
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Effect test

preparation example Construction

[0049] The preparation method of the above-mentioned high-strength environment-friendly water-permeable material comprises the following steps:

[0050] A) Melt the base asphalt and raise the temperature to 170-190°C, mix waste rubber powder and plastic ribs into the base asphalt, and shear and mix for 40-50 minutes at a shear speed of 2000-5000 rpm, Add surfactant and keep stirring for 5-10 minutes, grind with shear colloid mill for 10-20 minutes, add cross-linking agent, keep stirring for 2-3 hours to form rubber composite modified asphalt;

[0051] B) mixing steel slag, reinforcing fiber, coarse aggregate, fine aggregate, cement and water for 30 to 60 seconds to prepare a mixed base material;

[0052] C) Add the rubber composite modified asphalt prepared in step A) to the mixed base material prepared in step B), and stir for 3-5 minutes under the condition of 175-185°C to obtain a high-strength environment-friendly permeable material.

[0053] Preferably, step B) is specif...

Embodiment 1

[0055] The high-strength environment-friendly water-permeable material of this embodiment is formed by the following components and their weight ratios:

[0056]

[0057]Waste rubber powder is crushed and sieved from waste tires. The mesh size of the sieve is 20 mesh. Rod-shaped structure, steel slag is formed by crushing industrial scrap steel, its particle size is 2mm, the surfactant is a non-ionic surfactant, of which the non-ionic surfactant is alkyl alcohol amide polyoxyethylene ether, cross-linked The agent is sulfur powder, the reinforcing fiber is glass fiber, the coarse aggregate and fine aggregate are both basalt, the cement is 42.5 grade Portland cement, and the matrix asphalt is No. 70 A grade petroleum asphalt.

[0058] The preparation method of the high-strength environment-friendly water-permeable material of this embodiment comprises the following steps:

[0059] A) Melt the base asphalt at 130°C and heat it up to 170°C, mix waste rubber powder and plastic ...

Embodiment 2

[0063] The high-strength environment-friendly water-permeable material of this embodiment is formed by the following components and their weight ratios:

[0064]

[0065]

[0066] Waste rubber powder is crushed and sieved from waste tires. The mesh size of the sieve is 20 mesh. Rod-shaped structure, steel slag is formed by crushing industrial scrap steel, its particle size is 2mm, the water reducer is naphthalene-based water reducer, and the surfactant is non-ionic surfactant, of which the non-ionic surfactant is alkane Alcohol amide polyoxyethylene ether, crosslinking agent is sulfur powder, reinforcing fiber is glass fiber, coarse aggregate and fine aggregate are both basalt, cement is 42.5 grade Portland cement, base asphalt is No. 70 A grade petroleum asphalt .

[0067] The preparation method of the high-strength environment-friendly water-permeable material of this embodiment comprises the following steps:

[0068] A) Melt the base asphalt at 130°C and heat it up ...

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Abstract

The invention proposes a high-strength environment-friendly water-permeable material, a preparation method thereof, and a pavement prepared by the material, which belong to the technical field of pavement paving material preparation. The pavement structure includes the following components and their weight ratios: waste rubber powder: 30-40 parts; plastic ribs: 13‑18 parts; matrix asphalt: 30‑40 parts; reinforcing fiber: 6‑10 parts; crosslinking agent: 0.1‑0.3 parts; base material: 140‑185 parts; ; Water: 20‑30 parts. The high-strength environment-friendly permeable pavement of the invention can improve the strength of the pavement and prolong the service life of the pavement.

Description

technical field [0001] The invention belongs to the technical field of preparation of pavement paving materials, in particular to a high-strength environment-friendly water-permeable material, a preparation method thereof and a pavement prepared by the material. Background technique [0002] The traditional pavement is impermeable. The purpose is to prevent groundwater from infiltrating into the pavement structure and causing damage to the pavement structure. However, this pavement structure will cause a large amount of water to accumulate in the road area in rainy weather, which will not only affect traffic operation and pedestrian travel, At the same time, rainwater runoff will be formed on the road surface, resulting in damage to the surface of the road surface; and the traditional road surface cannot absorb the noise generated during the driving of vehicles, resulting in the urban heat island effect. With the increasing awareness of the importance of sustainable developm...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): C04B28/04C04B24/32C04B24/24C04B24/22C04B24/16C04B18/22C04B18/20C04B18/14C04B16/12C04B14/42B28C5/40E01C7/14E01C11/22
CPCC04B28/04C04B16/12C04B18/20C04B18/22C04B18/142C04B14/42C04B24/32C04B24/24C04B24/226C04B24/16E01C11/226E01C7/142B28C5/402C04B2111/0075C04B2201/50C04B2111/00284C04B24/36C04B14/14C04B22/02C04B2103/302C04B22/066Y02W30/91
Inventor 裴建中董永康汤涵宇温永李蕊马骁
Owner CHANGAN UNIV
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