A composite structure of asphalt pavement and its construction method

Abstract

The invention provides an asphalt pavement composite structure and a construction method. One side of the pavement sequentially includes an asphalt upper layer, an asphalt lower layer, an asphalt pavement base layer and an embankment structure from top to bottom, and the other side of the pavement is from top to bottom It includes a concrete pavement layer, a concrete pavement base layer and an embankment structure in sequence; a first filling body, the asphalt lower layer, the asphalt pavement base layer and the asphalt upper layer, the asphalt lower layer and the concrete pavement layer are arranged A second filling body is arranged between the concrete pavement base layer, and an elastic filling body is arranged between the asphalt upper layer and the concrete pavement layer. The asphalt pavement composite structure provided by the present invention can effectively prevent Controlling the impact of temperature stress and differential deformation on the road structure, blocking the reflection channel of cracks.

Description

technical field [0001] The invention relates to the technical field of road construction, in particular to an asphalt pavement composite structure and construction method that can effectively prevent and control the influence of temperature stress and differential deformation on road structures and effectively block crack reflection channels. Background technique [0002] With the rapid development of urban construction in our country, residents have higher and higher requirements for the performance of roads, and often encounter road reconstruction and expansion problems, and connection problems of different pavement materials or structures. Constrained by material strength, density, bearing capacity, etc., contact cracks often appear at the joints between asphalt pavement structures and other pavement structures. The infiltration channel and stress concentration release area of ​​the water body are formed, which seriously affects the mechanical performance, durability and ...

AI Technical Summary

Problems solved by technology

The pavement structure achieves the purpose of delaying the occurrence of reflective cracks on the pavement to a certain extent, but it does not involve the waterproof and drainage problems at the joints, which is prone to water damage.

[0004] To sum up, the existing pavement structure and construction technology have achieved certain construction effects under suitable working conditions, but there is room for improvement in improving the integrity of the pavement structure, reducing stress concentration at joints and sudden changes in stiffness.

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