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Through tied arch bridge and construction method thereof

A technology for tied arch bridges and construction methods, which is applied to arch bridges, bridges, bridge forms, etc., can solve the problems of inability to make full use of existing bridges, high requirements for on-site construction conditions, and long construction periods, so as to shorten the construction period and shorten the construction period. time, the effect of ensuring construction quality

Active Publication Date: 2017-04-26
HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The above three construction methods all have the disadvantages of long construction period, need to set up temporary facilities (such as brackets, rotating devices or cable devices, etc.), require high construction conditions on site, cannot make full use of existing bridges, and have high costs.

Method used

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  • Through tied arch bridge and construction method thereof
  • Through tied arch bridge and construction method thereof
  • Through tied arch bridge and construction method thereof

Examples

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Embodiment Construction

[0031] Such as figure 1 , figure 2 As shown, the through-type tied arch bridge of the present invention includes piers 1 arranged at intervals, and a bridge body is placed on the pier 1, and the bridge body is composed of two monolithic arch rib units arranged side by side with the same structure The single-piece arch rib unit includes an arch rib 2 in an arched structure and a tie beam 3 horizontally connected between the two ends of the arch rib 2, and the arch rib 2 and the tie beam 3 are longitudinally spaced apart A supporting hanger 4 is provided; the arch ribs 2 of the two monolithic arch rib units are connected together by horizontally spaced cross braces 5, and the tie beams 3 of the two monolithic arch rib units are connected together by horizontally spaced cross beams 6. A bridge deck is erected on the cross beam 6, the arch rib 2 is formed by successively connecting five arc-shaped arch rib segments, and the tie beam 3 is formed by sequentially connecting five horiz...

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PUM

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Abstract

The invention discloses a through tied arch bridge and a construction method thereof. The through tied arch bridge is composed of two single-piece arch rib units. Each single-piece arch rib unit comprises an arch rib and a tie beam, wherein a hanger rod is arranged between the arch rib and the tie beam. The two arch ribs are connected as a whole through transverse supports. The two tie beams are connected as a whole through transverse beams. A bridge deck slab is erected on the transverse beams. Each arch rib is formed by connecting arch rib sections, each tie beam is formed by connecting tie beam sections, and the arch-shaped arch rib sections and the tie beam sections are arranged correspondingly. Each transverse support is formed by connecting two transverse support sections, wherein the two transverse support sections are fixedly connected on the arch ribs of the two single-piece arch rib units correspondingly. Each transverse beam is formed by connecting two transverse beam sections, wherein the two transverse beam sections are fixedly connected on the tie beams of the two single-piece arch rib units correspondingly. By connecting each group of transverse beam sections and each group of transverse support sections on bridge location construction site, the erection work of a bridge main body can be completed, so that the construction period is shortened effectively, capital investment is reduced, and the construction method is especially suitable for bridge construction of crossing important riverways or important lines.

Description

Technical field [0001] The invention relates to highway and municipal bridge technology, in particular to a through-type tied arch bridge that crosses a river or a line, and the invention also relates to a construction method of the tied arch bridge. Background technique [0002] The through-type tied arch bridge combines the two structures of arch and beam to bear the load together, and gives full play to the combined effect of beam bending and arch compression. Therefore, through-type arch bridges are commonly used in new bridges that cross rivers or lines. Type one. [0003] The existing through-type tied arch bridge construction methods mainly include three methods: bracket construction method, rotating construction method and cantilever construction method. The core problem of the above three construction methods is to solve the construction problem of arch ribs. The support construction method is to erect support in the river channel for construction. The advantage of this m...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D4/00E01D21/00
CPCE01D4/00E01D21/00
Inventor 李斐然邓翔张存超莫杰楚斌孙楠李明康健张旭慧
Owner HENAN PROVINCIAL COMM PLANNING & DESIGN INST CO LTD
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