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Wind-resistant and shock-absorbing structure of the main arch suspender

A boom and structure technology, which is applied in the field of wind-resistant and shock-absorbing structures of main arch booms, can solve the problems of low wind resistance of arch bridge booms, reduce natural frequency, improve wind resistance and shock absorption, and drive comfort Improved effect

Active Publication Date: 2020-01-31
GUANGXI ROAD & BRIDGE ENG GRP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The object of the present invention is to provide a wind-resistant and shock-absorbing structure of arch suspenders to solve the technical problem of low wind resistance of arch bridge suspenders in view of the above problems

Method used

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  • Wind-resistant and shock-absorbing structure of the main arch suspender
  • Wind-resistant and shock-absorbing structure of the main arch suspender
  • Wind-resistant and shock-absorbing structure of the main arch suspender

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Embodiment Construction

[0028] Such as figure 1 As shown, the present invention discloses a wind-resistant and shock-absorbing structure of a main arch suspender, comprising a main arch 1, a deck beam 4 and a suspender 2, the main arch 1 includes arch ribs on both sides, and the arch ribs on each side include The upper chord 101 and the lower chord 103, the upper chord 101 is set above the lower chord 102, the upper chord 101 and the lower chord 102 of the arch ribs on each side are connected by web bars, and the upper chords 101 of the arch ribs on both sides are provided with The upper chord horizontal tube, the lower chord horizontal tube 11 is arranged between the lower chord tubes 102 of the arch ribs on both sides. The lower part of the main arch 1 is horizontally provided with a bridge deck beam 4, and the two ends of the bridge deck beam 4 are respectively installed on the main arch 1, and there are several suspenders 2 arranged vertically between the main arch 1 and the bridge deck. The upp...

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Abstract

The invention discloses a main arch boom wind-resistant shock absorbing structure. The main arch boom wind-resistant shock absorbing structure comprises a main arch, a floor beam and booms. The floorbeam is laterally disposed at the lower portion of the main arch, the two ends of the floor beam are respectively mounted on the main arch, a plurality of vertically disposed booms are evenly distributed between the main arch and the floor beam, and the upper ends of the booms are fixedly connected with the main arch, and the lower ends of the booms are fixedly connected with the floor beam. The floor beam is provided with a floor panel. The main arch boom wind-resistant shock absorbing structure further comprises a wind-resistant damper device, wherein the wind-resistant damper device comprises an anti-wind cable, rope bayonets, and a reaction force frame. The anti-winding cable is disposed laterally, and the anti-winding cable is fixedly connected to the booms by the rope bayonets, the two ends of the anti-winding cable are respectively connected to the main arch through the reaction force frame, and a limiting device is arranged between the floor beam and the main arch. The structure can solve the technical problem that the arch bridge booms have low wind resistance.

Description

technical field [0001] The invention relates to the technical field of shock absorbing devices for arch bridges, in particular to a wind-resistant and shock-absorbing structure of a main arch suspender. Background technique [0002] Concrete-filled steel tube arch bridges have the advantages of reasonable stress, economy, good durability, and convenient construction. They have developed rapidly in my country and are widely used. So far, more than 400 bridges have been built. In recent years, the span of concrete-filled steel tube arch bridges has become larger and larger, and the length of the main arch suspension cables has also become longer and longer. At present, the maximum suspension cable length of arch bridges has exceeded 100 meters. The dynamic response of loads such as driving and earthquakes is becoming more and more difficult to coordinate. Therefore, in order to improve the overall performance of the main arch suspension structure, increase the natural frequenc...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E01D4/00E01D19/00
CPCE01D4/00E01D19/00
Inventor 孙辉李彩霞王建军蒋严波吴刚刚杜海龙
Owner GUANGXI ROAD & BRIDGE ENG GRP CO LTD
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