A rigid-flexible composite steel bridge deck pavement structure and pavement method thereof

Abstract

The invention belongs to the technical field of bridge deck pavement, and in particular relates to a rigid-flexible composite steel bridge deck pavement structure and a pavement method thereof. The rigid-flexible composite steel bridge deck pavement structure provided by the present invention consists of RAC-10 high-strength cold-mix epoxy resin coagulation and LGA-10 gradient function pouring asphalt concrete from top to bottom. The lower layer of the present invention utilizes the density difference between light aggregates and ordinary aggregates and cementing materials, so that the top surface and bottom surface of the pavement are respectively enriched with light aggregates and ordinary aggregates, so as to enhance the shear resistance between layers and give full play to deformation Follow-up effect. By adopting gradient function pouring asphalt concrete and high-strength cold-mix epoxy resin concrete, the steel bridge deck pavement can be lifted by 1cm~3cm in thickness while the constant load remains unchanged, so as to increase the rigidity of the bridge deck pavement and improve the pavement The purpose of force.

Description

technical field [0001] The invention belongs to the field of steel bridge deck pavement, and in particular relates to a rigid-flexible composite steel bridge deck pavement structure and a pavement method thereof. Background technique [0002] In recent years, with the vigorous development of the domestic transportation industry, the number of bridges has increased year by year. At the same time, the bridges built in the early stage have entered the aging stage, and more and more bridges need to be reinforced and reconstructed. In the process of reconstructing aging bridges, bridge deck pavement is one of the important factors affecting the quality of reconstruction. Compared with the subgrade pavement, the bridge deck pavement has more severe stress conditions, and needs better road performance to meet the durability requirements; The design impact is significant. Therefore, the bridge deck pavement pursues a thinner thickness to reduce its own dead load, but the thinner ...

AI Technical Summary

Problems solved by technology

Therefore, the bridge deck pavement is all pursuing a thinner thickness to reduce its own dead load, but the thickness of the bridge deck pavement is thinner, which will inevitably lead to a reduction in bearing capacity and durability