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Support for cast-in-place box girder and construction method thereof

A cast-in-place box and support frame technology, applied in bridges, bridge construction, erection/assembly of bridges, etc., can solve problems such as unfavorable construction, occupation of construction sites, and unfavorable safe and civilized construction.

Pending Publication Date: 2021-05-18
THE GUANGDONG NO 3 WATER CONSERVANCY & HYDRO ELECTRIC ENG BOARD CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At the same time, when the lower bracket is installed on site, there are a large number of high-altitude welding operations, and the construction risk is extremely high. A large number of materials are piled up on site, which is not conducive to safe and civilized construction. Conducive to construction

Method used

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  • Support for cast-in-place box girder and construction method thereof
  • Support for cast-in-place box girder and construction method thereof
  • Support for cast-in-place box girder and construction method thereof

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Embodiment Construction

[0040] In order to enable those skilled in the art to better understand the technical solution of the present invention, the present invention will be described in further detail below in conjunction with the accompanying drawings and specific embodiments. And the features in the embodiments can be combined with each other.

[0041] In describing the present invention, it is to be understood that the terms "center", "longitudinal", "transverse", "length", "width", "thickness", "upper surface", "lower surface", "front" , "Back", "Left", "Right", "Vertical", "Horizontal", "Top", "Bottom", "Inner", "Outer", "Forward", "Reverse", "Axial ", "radial", "circumferential" and other indicated orientations or positional relationships are based on the orientations or positional relationships shown in the drawings, which are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying the referred device Or that an elemen...

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PUM

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Abstract

The invention discloses a support for a cast-in-place box girder and a construction method thereof. The support for the cast-in-place box girder is characterized by comprising a pile foundation, a cross beam, a supporting frame and a bailey frame, wherein the bailey frame is supported on the supporting frame, a supporting point is located at a web member of the bailey frame, the supporting frame is arranged on the cross beam, the cross beam is arranged at the upper end of the pile foundation, and the lower end of the pile foundation extends into the ground. The construction method comprises the steps of building of the supporting frames, construction of the pile foundations, installation of the cross beams, hoisting of the supporting frames, installation of the adjacent pile foundations and hoisting of the bailey frame. According to the support, the supporting stress point of the bailey frame can be accurately located at the position of the web member through adjustment of the pile top cross beam, and therefore the supporting effect can be achieved; compared with traditional on-site support installation and welding, installation time is saved, and the support can be disassembled for multiple times to be recycled and is more economical and reasonable; in addition, due to overall installation, welding of the supporting frame at high altitude can be avoided, and higher safety guarantee is achieved.

Description

technical field [0001] The invention relates to the construction field of a cast-in-place box girder, in particular to a support for a cast-in-place box girder and a construction method thereof. Background technique [0002] Bailey beam support is widely used in cast-in-place box girders, but the substructure of the entire support is welded on site using the same pipe piles as the foundation, which requires a lot of work at heights, difficult site welding, slow installation speed, and safe construction cannot be guaranteed. At the same time, once the foundation positioning is not accurate or the position is adjusted due to geological reasons, the top beam cannot be accurately positioned at the web member of the Bailey frame, and the bracket collapses due to the partial instability of the Bailey frame under load. Thunder beam support is used in cast-in-place concrete box girder construction system. Bailey frame is the main force-bearing member. During the construction proces...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D2/04E01D21/00
CPCE01D2/04E01D21/00
Inventor 唐辉刘望奇李刘双魏伟汤敏林权富张亮谭文栋钟龙伍辉刘小东刘志郑子宏林永康徐富强
Owner THE GUANGDONG NO 3 WATER CONSERVANCY & HYDRO ELECTRIC ENG BOARD CO LTD
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