Intersection rubber asphalt anti-rutting pavement detection and design method based on ground penetrating radar

Abstract

The invention discloses an intersection rubber asphalt anti-rutting pavement detection and design method based on a ground penetrating radar, and the method comprises the steps: 1, dividing a left-turning vehicle parking region, a straight-going vehicle parking region and a bus parking region into dynamic-static load regions according to the principle of dynamic and static load separation and in combination with the distribution characteristics of intersection traffic flow; and dividing a right-turning lane into a dynamic load area; and 2, measuring the thickness of the residual road surface at the damaged parts by utilizing a reflection coefficient method at the damaged parts of the base layers and the damaged parts of the surface layers of the dynamic-static load areas and the dynamic load areas. The road surface thickness is calculated based on the ground penetrating radar, the problems that the number of samples is limited, the road surface is seriously damaged and the whole damage range cannot be measured in a core drilling sampling method are solved, meanwhile, a corresponding transformation scheme is set according to the non-uniform coefficient range, and the defects that traditional intersection transformation, partial damage and overall removal are needed, the workload is large; and the repairing effect is poor are overcome.

Description

technical field [0001] The invention relates to the technical field of road engineering pavement structures, in particular to a ground-penetrating radar-based detection and design method for rubber asphalt anti-rutting pavement at intersections. Background technique [0002] There are a large number of rubber asphalt pavement intersections on national and provincial arterial highways, and the durability of the pavement is crucial to the operation quality of the entire arterial road. The problem of vehicle channelization and heavy load and overload has become prominent, and rutting has become one of the main damage forms of rubber asphalt pavement in my country, and it also induces further damage to the pavement. The existence of ruts seriously shortens the service life of the pavement, reduces the service level of the expressway, and constitutes a safety hazard of vehicle sideslip in rainy days. The "Assessment Standard" stipulates the road rutting detection method for expr...

AI Technical Summary

Problems solved by technology

[0005] The purpose of the present invention is to solve the problem of labor-intensive and low efficiency in the prior art, and propose a rubber asphalt anti-rutting road surface at intersections based on ground penetrating radar Assay and Design Methods

Images