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Open rib steel bridge deck pavement structure and preparation method thereof

A bridge deck pavement and pavement technology, which is applied to bridges, bridge construction, bridge parts, etc., can solve problems such as hidden dangers, maintenance and repair effects, and safety of steel bridge deck damage, so as to improve the stress of pavement and strengthen the interlayer Shear performance, effect of impermeable steel bridge decks

Pending Publication Date: 2022-07-29
JIANGSU SINOROAD ENG TECH RES INST CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] In the existing steel bridge deck pavement process, the effective connection between the steel bridge deck and the steel deck is often realized by welding shear rivets on the steel bridge deck. However, when welding the rivets, it will cause a certain degree of damage to the steel deck. Larger safety hazards, and the setting of the studs will also have a greater impact on later maintenance and repairs

Method used

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  • Open rib steel bridge deck pavement structure and preparation method thereof
  • Open rib steel bridge deck pavement structure and preparation method thereof
  • Open rib steel bridge deck pavement structure and preparation method thereof

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0068] like Figures 1 to 3 The open-ribbed steel bridge deck pavement structure includes a negative bending moment position pavement structure and a positive bending moment position pavement structure, wherein the positive bending moment position pavement structure and the negative bending moment position pavement structure The strips are crossed and arranged, and the paving structure at the positive bending moment position is arranged between two parallelly arranged paving structures at the negative bending moment position;

[0069] The pavement structure at the negative bending moment position is, from top to bottom, an epoxy ESMA upper layer with a thickness of 3 cm, an ERB resin bonding oil, an LPGA light-weight high-performance cast asphalt concrete lower layer with a thickness of 4 cm, and an R-S independent layer. Super waterproof adhesive layer;

[0070] The pavement structure at the positive moment position is, from top to bottom, the epoxy ESMA upper layer with a t...

Embodiment 2

[0087] like Figures 1 to 3 The open-ribbed steel bridge deck pavement structure includes a negative bending moment position pavement structure and a positive bending moment position pavement structure, wherein the positive bending moment position pavement structure and the negative bending moment position pavement structure The strips are crossed and arranged, and the paving structure at the positive bending moment position is arranged between two parallelly arranged paving structures at the negative bending moment position;

[0088] The pavement structure at the negative bending moment position is, from top to bottom, an epoxy ESMA upper layer with a layer thickness of 3 cm, ERB resin bonding oil, an LPGA lightweight high-performance cast asphalt concrete lower layer with a layer thickness of 3 cm, and an R-S freestanding layer. Super waterproof adhesive layer;

[0089] The paving structure at the positive moment position is, from top to bottom, the epoxy ESMA upper layer w...

Embodiment 3

[0106] like Figures 1 to 3 The open-ribbed steel bridge deck pavement structure includes a negative bending moment position pavement structure and a positive bending moment position pavement structure, wherein the positive bending moment position pavement structure and the negative bending moment position pavement structure The strips are crossed and arranged, and the paving structure at the positive bending moment position is arranged between two parallelly arranged paving structures at the negative bending moment position;

[0107] The pavement structure at the negative bending moment position is, from top to bottom, a 3.2cm-thick epoxy ESMA upper layer, ERB resin bonding oil, a 3.8cm-thick LPGA lightweight high-performance cast asphalt concrete lower layer, R-S Independent super waterproof adhesive layer;

[0108] The pavement structure at the positive bending moment position is, from top to bottom, the upper layer of epoxy ESMA with a layer thickness of 3.2cm, the ERB re...

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Abstract

The invention relates to the technical field of steel bridge deck pavement, in particular to an open rib steel bridge deck pavement structure and a preparation method thereof.The open rib steel bridge deck pavement structure comprises a hogging moment position pavement structure and a sagging moment position pavement structure, and the sagging moment position pavement structure and the hogging moment position pavement structure are arranged in a strip-shaped crossed mode; the sagging moment position paving structure is arranged between the two hogging moment position paving structures which are arranged in parallel; the negative moment position paving structure comprises an epoxy ESMA upper surface layer, ERB resin bonding oil, an LPGA light high-performance pouring type asphalt concrete lower surface layer and an R-S independent super-strong waterproof bonding layer from top to bottom; the sagging moment position paving structure comprises an epoxy ESMA upper surface layer, ERB resin bonding oil, an HRAC ultrahigh-toughness quick-curing epoxy resin concrete lower surface layer and an R-S independent super-strong waterproof bonding layer from top to bottom. The high-temperature heavy load bearing capacity, the crack resistance, the fatigue resistance and the pavement bearing capacity of the open rib bridge deck are enhanced, and the pavement service life is prolonged.

Description

technical field [0001] The invention relates to the technical field of steel bridge deck paving, in particular to an open rib steel bridge deck paving structure and a preparation method thereof. Background technique [0002] In recent years, steel bridge decks in service in China are facing a severe situation, including increasing traffic volume, gradually heavier vehicles and prolonged service time, which have resulted in an increase in the stress amplitude of the orthotropic plate and an increase in the number of cycles. As a result, the bridge deck pavement and the orthotropic slab are prone to fatigue damage, and the open rib orthotropic steel bridge deck emerges as the times require. According to the existing literature research and preliminary finite element simulation analysis, it is found that the open rib orthotropic plate can effectively alleviate the weld stress damage problem of the traditional closed rib steel bridge deck and prolong the pavement life. [0003]...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/08E01D21/00
CPCE01D19/083E01D21/00
Inventor 张辉李娣周橙琪徐晓雪赵梦龙
Owner JIANGSU SINOROAD ENG TECH RES INST CO LTD