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Construction method of highway pavement structure

A technology of pavement structure and construction method, which is applied in the direction of roads, roads, road repairs, etc. It can solve problems such as easy cracks on the road surface, poor drainage of the road surface, and the impact of road use, so as to enhance the drainage performance and heat dissipation performance, and facilitate the maintenance of the road surface , Strengthen the effect of anti-deformation ability

Active Publication Date: 2021-12-21
中交投资南京有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] Nowadays, when the road surface is being constructed, the water tank is opened after the surface layer is laid, which makes the road surface drainage poor. When the weather is hot, the road surface is prone to cracks due to thermal expansion and contraction, which has a great impact on the use of the road.

Method used

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  • Construction method of highway pavement structure
  • Construction method of highway pavement structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] figure 1 The flow chart of the construction method of the highway pavement structure that this embodiment provides, figure 2 for adoption figure 1 For a schematic diagram of the pavement structure of a highway built with the construction method shown, see figure 1 with figure 2 .

[0031] The construction method of the highway pavement structure provided by this embodiment can be well applied to the construction of semi-rigid bases and sub-bases of roads of all grades, especially for the construction of semi-rigid bases of rural roads, which includes the following steps:

[0032] S1. Laying cushion: Lay a geosynthetic isolation layer on the roadbed, lay gravel and lime cinder on the geosynthetic isolation layer to form a cushion, and lay the cushion to the same width as the roadbed.

[0033] Such as Figure II The highway pavement shown is composed of a cushion layer 1, a base layer 2 and a surface layer 3. The cushion layer 1 is arranged at the bottom of the roa...

Embodiment 2

[0049] figure 1 The flow chart of the construction method of the highway pavement structure that this embodiment provides, figure 2 for adoption figure 1 For a schematic diagram of the pavement structure of a highway built with the construction method shown, see figure 1 with figure 2 .

[0050] The construction method of the highway pavement structure provided by this embodiment can be well applied to the construction of semi-rigid bases and sub-bases of roads of all grades, especially for the construction of semi-rigid bases of rural roads, which includes the following steps:

[0051] S1. Laying cushion: Lay a geosynthetic isolation layer on the roadbed, lay gravel and lime cinder on the geosynthetic isolation layer to form a cushion, and lay the cushion to the same width as the roadbed.

[0052] Such as Figure II The highway pavement shown is composed of a cushion layer 1, a base layer 2 and a surface layer 3. The cushion layer 1 is arranged at the bottom of the roa...

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Abstract

The invention relates to the technical field of advanced environmental protection industry, and in particular relates to a construction method of a highway pavement structure. The construction method comprises the steps that S1 a cushion layer is paved: a geosynthetic material isolation layer is paved on a roadbed, gravel and lime coal slag are paved on the geosynthetic material isolation layer to form the cushion layer, and the cushion layer is paved to the same width as the roadbed; S2 a layer of concrete is laid on the cushion layer, a plurality of concrete prefabricated pipes are arranged on the concrete, and a layer of concrete is laid on the concrete again; and S3 the asphalt mixture is laid on the upper surface of the concrete base layer through an asphalt mixture paver, and a surface layer is formed. The drainage performance and the heat dissipation performance of the highway pavement surface layer can be enhanced, the situation that the surface layer 3 is cracked and use of the highway pavement is affected due to thermal expansion and cold contraction in hot weather is avoided, a water storage tank can store water, heat dissipation of the surface layer is well improved, and by arranging semispherical grooves, the continuity and the deformation resistance of the pavement structure are improved.

Description

technical field [0001] The invention relates to the technical field of advanced environmental protection industry, in particular to a construction method of a highway pavement structure. Background technique [0002] Highway engineering refers to the survey, measurement, design, construction, maintenance, management, etc. of highway structures. Highway engineering structures include: roadbeds, pavements, bridges, culverts, tunnels, drainage systems, safety protection facilities, greening and traffic monitoring facilities , as well as houses, workshops and other service facilities used for construction, maintenance and monitoring. [0003] Nowadays, when the road surface is being constructed, water tanks are opened after the surface layer is laid, which makes the road surface drainage poor. When the weather is hot, the road surface is prone to cracks due to thermal expansion and contraction, which has a great impact on the use of the road. Contents of the invention [0004...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01C7/32E01C11/22E01C11/24E01C11/00E01C11/16E01C19/48E01C11/06E01C23/03C04B26/26
CPCE01C7/32E01C11/224E01C11/226E01C11/24E01C11/00E01C11/16E01C19/4826E01C11/06E01C23/03C04B26/26C04B2111/0075C04B14/042C04B14/14C04B14/022C04B16/0641
Inventor 傅伟金峰刘俊驰赵裕华侯思涵
Owner 中交投资南京有限公司