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Multi-stop-block cover beam and construction method thereof

A technology of covering beams and stoppers, applied in bridges, bridge parts, bridge construction, etc., can solve problems such as high risks, reduce the risk of falling beams, and strengthen the effect of lateral restraint

Pending Publication Date: 2019-03-01
SHANGHAI MUNICIPAL TRANSPORTATION DESIGN INST
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

However, in high-intensity areas and prefabricated bridges, only the edge blocks are set, and the risk of falling beams due to earthquakes is greater

Method used

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  • Multi-stop-block cover beam and construction method thereof

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Embodiment Construction

[0026] In order to make it easy to understand the technical means, creative features, goals and effects achieved by the present invention, the following examples are combined with the appended figure 1 A multi-block cap beam provided by the present invention and its construction method are described in detail.

[0027] figure 1 It is a schematic diagram of the overall structure of an embodiment of a multi-stop cover beam of the present invention. In this embodiment, the multi-stop cover beam and its construction method mainly include a small box girder bridge 1, a small box girder 11, and a cross beam 12 , Cover beam 2, middle block 21, side block 22, pier 3.

[0028] The lower end surface of the cover girder 2 is connected with several piers 3, and the upper end surface of the cover girder 2 is provided with two side stoppers 22 and several middle stoppers 21, the middle stoppers 21 and side stoppers 22 are used to laterally restrain the small box girder 11 The setting of m...

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Abstract

The invention discloses a multi-stop-block cover beam and a construction method thereof, and belongs to the technical field of bridge structures. The multi-stop-block cover beam includes a cover beamand a small box beam bridge, wherein a plurality of piers are connected to the lower end face of the cover beam, two side stop blocks and a plurality of middle stop blocks are arranged on the upper end face of the cover beam, the two side stop blocks are arranged on the edges of the two sides of the upper end face of the cover beam correspondingly, and the middle stop blocks are arranged between the two side stop blocks; the lower end face of the small box beam bridge is connected with the upper end face of the cover beam, the small box beam bridge includes a plurality of small box beams and aplurality of cross beams, the corresponding cross beam is connected between every two adjacent small box beams arranged in the width direction of the small box beams, the two side stop blocks are arranged on the two sides of the two small box beams at the edge of the small box beam bridge correspondingly, and the middle stop blocks are arranged on one sides of the small box beams in the middle ofthe small box beam bridge correspondingly. According to the multi-stop-block cover beam and the construction method thereof, transverse restriction on the small box beams is strengthened, and the risk of beam falling under the earthquake action is lowered, so that multi-level fortification to the earthquake is realized.

Description

technical field [0001] The invention relates to the technical field of bridge structures, in particular to a multi-stop cover beam and a construction method thereof. Background technique [0002] The capping beam refers to the beam of reinforced concrete or less-reinforced concrete set on the pier (platform) or row of piles. Its main function is to support the upper structure of the bridge and transfer all the load to the lower structure. Usually, two side stops are set on the cover beam to strengthen the lateral restraint of the cover beam on the small box girder. However, in high-intensity areas and prefabricated bridges, only side blocks are set, and the risk of beam falling under earthquake action is relatively high. Contents of the invention [0003] In view of the above-mentioned problems existing in the prior art, the aim is to provide a multi-block cap beam and its construction method, which can strengthen the lateral restraint of the cap girder on the small box g...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D19/00E01D19/02E01D2/04E01D21/00
CPCE01D2/04E01D19/00E01D19/02E01D21/00
Inventor 蒋垠茏
Owner SHANGHAI MUNICIPAL TRANSPORTATION DESIGN INST
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