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Colored porous asphalt pavement and construction method thereof

A technology of asphalt pavement and colored asphalt, applied in the directions of roads, roads, pavement details, etc., can solve the problem of not being able to filter and purify rainwater, etc., and achieve the effect of simple process

Inactive Publication Date: 2019-01-11
TONGJI UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] The present invention avoids the use of drilling to permeate water, but speeds up infiltration by setting a permeable base layer, and at the same time realizes the ability of water storage and cooling through the water storage base layer, and plays the role of filtering rainwater through the filter layer, thereby solving the existing problem. Larger boreholes in technology cannot filter and purify rainwater

Method used

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  • Colored porous asphalt pavement and construction method thereof
  • Colored porous asphalt pavement and construction method thereof
  • Colored porous asphalt pavement and construction method thereof

Examples

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Embodiment 1

[0024] A colored porous asphalt pavement with a structure such as figure 1 As shown, it includes a porous colored asphalt surface layer 1, a permeable base layer 2, a water storage base layer 3, a filter layer 4, and a geotextile 5 from top to bottom, and the geotextile 5 is laid on the soil foundation 6.

[0025] Among them, the porous colored asphalt pavement 1 adopts high-viscosity modified asphalt, and the technical indicators should meet the requirements in Table 1.

[0026] Table 1 Technical indicators of high viscosity modified asphalt

[0027]

[0028]

[0029] Most of the colored porous asphalt pavements of this embodiment are suitable for light traffic areas and do not require large-scale design modifications to the structure. In the case of heavy loads, it is necessary to consider the structural requirements of the roadway system and make appropriate design modifications for the expected loads. Table 2 provides the structural layer weighting factors for poro...

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Abstract

The invention relates to a colored porous asphalt pavement and a construction method thereof. The asphalt pavement successively comprises a porous colored asphalt surface layer, a permeable base layer, a water storage base layer, a filter layer and a geotechnical fabric from top to bottom. The geotechnical fabric is paved on a soil base. Compared with the prior art, the high performance colored porous asphalt pavement has more excellent pavement performance and biological functionality.

Description

technical field [0001] The invention relates to the technical field of asphalt pavement design and construction, in particular to a colored porous asphalt pavement and a construction method thereof. Background technique [0002] Because the colored porous asphalt pavement has a beautiful appearance and a large internal porosity, it can not only beautify the environment but also naturally infiltrate rainfall into the pavement structure, so it has excellent ecological functions (beautiful appearance, noise reduction, drainage, anti-skid, etc.) ). However, a large number of existing studies and engineering practices have shown that porous asphalt pavement is prone to loose peeling, high temperature rutting and pore blockage, which seriously limits the promotion and application of colored porous asphalt pavement. The overall structure of porous asphalt pavement has a large porosity, and rainwater can pass through the pavement structure, which is quite different from the traditi...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C11/22E01C7/32
CPCE01C7/32E01C11/226
Inventor 李辉张恒基
Owner TONGJI UNIV
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