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Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail

A suspension bridge and construction method technology, applied in suspension bridges, bridges, bridge forms, etc., can solve the problems of reducing capital utilization efficiency, long-term idleness of river crossing channels, etc., and achieve the effect of improving resource utilization efficiency, improving spanning capacity, and improving section stiffness.

Active Publication Date: 2014-12-10
林同棪国际工程咨询(中国)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

In reality, the construction of the track route often lags behind the bridge itself, and the river-crossing channel is idle for a long time after it is completed, reducing the efficiency of capital utilization

Method used

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  • Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail
  • Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail
  • Staged implementation method of multi-bridge-floor-layer suspension bridge for highway and rail

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Embodiment Construction

[0022] figure 1 It is a schematic diagram of the recent construction conditions of the present invention; figure 2 It is a schematic diagram of long-term construction conditions of the present invention, image 3 Sectional drawing of the completed suspension bridge, Figure 4 Schematic diagram of the structure of a double-layer truss. As shown in the figure: 1 main cable Ⅰ, 2 main cable Ⅰ boom, 3 middle chord, 4 lower web, 5 lower chord, 6 lower beam, 7 ballast, 8 middle beam, 9 upper chord, 10 upper web , 11 main cable II, 21 main cable II suspender, 12 upper beam, track longitudinal beam 13, 14 mobile assembled tire frame, 15 upper truss, 16 gusset plate reserved for joint. A phased construction method for a multi-layer bridge deck public-rail dual-purpose suspension bridge. The bridge is a three-layer bridge deck suspension bridge composed of double-layer parallel main truss structures. The staged construction method of post-construction rail transit and the rail trans...

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Abstract

The invention discloses a staged construction method of a multi-bridge-floor-layer suspension bridge for a highway and a rail. The suspension bridge is a three-bridge-floor-layer suspension bridge composed of a double-layer parallel main truss structure, rail transit is located on the uppermost layer, and highway traffic is located on the middle layer and the lower layer. The staged construction method of firstly constructing the highway traffic and then constructing the rail transit is adopted, construction on the rail transit can be carried out in the running process of the highway traffic, the scheme of the three-bridge-floor-layer suspension bridge is adopted, structural efficiency can be improved, the adaptive capacity of the structure on terrain is enhanced, the structure can adapt to the requirement for staged construction of the rail transit and the highway traffic, the recent engineering construction investment is effectively reduced, idle resources are avoided, meanwhile, the requirement that existing traffic circulation is not interrupted in the long-term construction period can be met, and the influence of construction on traffic is reduced to the largest extent.

Description

technical field [0001] The invention relates to the field of bridge construction, in particular to a staged implementation method of a multi-layer bridge deck public-rail dual-purpose suspension bridge. Background technique [0002] Urban rail transit usually adopts the way of combined rail and rail, and crosses rivers and valleys together with urban roads to save investment. In order to realize the rail transit crossing the river and meet the higher requirements for the passage of ships under the bridge, a long-span suspension bridge is often used to cross the river. At the same time, the way of co-construction of rails can make better use of scarce bridge resources and improve structural efficiency. However, due to structural force constraints and influences, the main cables and steel truss girders of the suspension bridge are usually completed in one go, and a channel for the track to cross the river is reserved. In reality, the construction of the track route often lag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00E01D11/02
Inventor 邓宇曾光勇陈晓虎蒋中贵
Owner 林同棪国际工程咨询(中国)有限公司
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