Road and bridge joint structure and method using structure for eliminating non-uniform settlement

Abstract

The invention discloses a road and bridge joint structure which comprises a road and a bridge. The road comprises a roadbed natural debris layer on a base layer, a roadbed limestone soil layer, a road asphalt macadam layer and a road surface asphalt layer, wherein the roadbed limestone soil layer is arranged on the upper portion of the roadbed natural debris layer, the road asphalt macadam layer is arranged on the upper portion of the limestone soil layer, and the road surface asphalt layer is arranged on the upper portion of the macadam layer. The bridge comprises a foundation pedestal foot, a reinforced concrete bridge pier is fixedly arranged above the foundation pedestal foot, a reinforced concrete bridge plate is erected on the bridge pier, a bridge surface asphalt macadam layer is laid on the upper portion of the bridge plate, a bridge surface asphalt layer is arranged on the bridge surface asphalt macadam layer, and a grading crushed-gravel layer is vertically arranged between the foundation pedestal foot and the upper surface of the reinforced concrete bridge plate in a filling mode. A road and bridge asphalt settlement seam is reserved in a road and bridge joint, and an asphalt layer is filled in the road and bridge asphalt settlement seam to achieve smooth transition connection between the road and the bridge. The thickness of the bridge surface asphalt macadam layer of the bridge is the maximum settlement height of the road and bridge joint. The road and bridge joint structure has the advantages of being not limited by seasons, dynamically eliminating the settlement altitude difference of a shear seam of the road and bridge joint, and effectively ensuring the fact that a running car is not damaged by the shear force of the settlement altitude difference.

Description

technical field [0001] The invention solves the potential safety hazards caused by bridge deck cement bosses (height difference between the road surface and the bridge deck joint) formed by the uneven settlement of the shear joints at both ends of the road-bridge joint under the condition of soft ground. The invention belongs to the technical field of road and bridge construction. Specifically, it relates to a structure of a road-bridge joint and a method for eliminating uneven settlement by using the structure. Background technique [0002] Due to the geological characteristics of the southeast coast of my country: high groundwater level, high moisture content of the soil layer, high compressibility, low strength, high sensitivity and low water permeability. All the roads and bridges in active service have the phenomenon of cars jumping to the bridge head in different degrees, which is a technical problem that plagues the road and bridge field. This is because during road...

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Problems solved by technology

[0004] The method currently adopted has the following deficiencies: 1. This method is affected by the ambient temperature, and usually cannot be constructed until summer; 2. Once there is a settlement height difference at the junction of the road-bridge junction, the exposed and prominent bridge deck is a right-angled face of concrete. It will cause huge shearing force to the high-speed car tires, and cause accident hazards to the driving car

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