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Simply supported to continuous cross-connected box girder structure

A simply supported to continuous and cross-connected technology, which is applied in the field of simply supported to continuous cross-connected box girder structures, can solve problems such as tensioning and replacement, small spacing between box girders, and the inability of workers to enter steel strands, so as to improve stability Effect

Active Publication Date: 2015-10-14
ZHEJIANG CTB WAVEFORM STEEL WEB
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention aims at the disadvantages in the prior art that the anchorage position of the steel cable is located between the box girders, and because the distance between the box girders is small, the staff cannot enter to tension and replace the steel cable in the box girder, etc., and provides a The anchorage position of the steel cable is set in the adjacent box girder, and the staff can tension and replace the steel cable in the adjacent box girder. At the same time, the steel cable can also play the role of connecting the adjacent box girder, which improves the Stability of connections between box girders in simple-supported to continuous cross-connected box girder structures

Method used

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  • Simply supported to continuous cross-connected box girder structure
  • Simply supported to continuous cross-connected box girder structure
  • Simply supported to continuous cross-connected box girder structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0022] Simply supported to continuous cross-connected box girder structures, such as figure 1 , 2 As shown, more than one group of box girders 1 are included, and one end of the main steel cable 13 in the box girder 1 is connected with the adjacent box girders. Move the anchorage position of the main steel cable to the adjacent beam end, because the space inside the box girder is large enough for the staff to enter, so the steel cable can be tightened twice or replaced.

[0023] Adjacent box girder comprises right adjacent box girder 3, and right adjacent box girder 3 is right hollow space 31, and right first anchorage position 32 is provided in right hollow space 31, and main steel cable 13 right ends are connected with right first anchorage position 32. The left end of the main steel cable 13 is connected with the main anchoring position 14 arranged outside the box girder 1 . The main steel cable 13 spans two adjacent box girders, which improves the connection strength bet...

Embodiment 2

[0030] Simply supported to continuous cross-connected box girder structures, such as figure 1 , 2 As shown, more than one group of box girders 1 are included, and one end of the main steel cable 13 in the box girder 1 is connected with the adjacent box girders.

[0031] An anchoring position is set in the adjacent box girder, and the main steel cable 13 is connected with the anchoring position set in the adjacent box girder. Therefore, when replacing or tensioning the steel cables, it is only necessary to perform corresponding operations in the adjacent box girder.

[0032] Adjacent box girder comprises right adjacent box girder 3, and right adjacent box girder 3 is right hollow space 31, and right first anchorage position 32 is provided in right hollow space 31, and main steel cable 13 right ends are connected with right first anchorage position 32.

[0033] The adjacent box girder also includes the left adjacent box girder 2, the left adjacent box girder 2 is a left hollow...

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Abstract

The invention relates to a box girder connection structure and discloses a simply-supported to continuously-crossly-connected box girder structure, which comprises more than one group of box girders (1). One ends of main steel ropes (13) in the box girders (1) are connected with adjacent box girders. By arranging the anchoring positions of the steel ropes in the adjacent box girders, working personnel can perform tensioning, secondary tensioning or replacement the steel ropes in larger spaces in the adjacent box girders. Moreover, the steel ropes can also play a role of connecting the adjacent box girders and the connection stability of the box girders is improved.

Description

technical field [0001] The invention relates to a box girder connection structure, in particular to a simply supported to continuous cross connection box girder structure. Background technique [0002] In the prior art, since the anchorage positions of the steel hinge cables are distributed at both ends of the box girder, and the steel hinge cables equipped with the box girder itself are loose, the staff cannot access, so the steel strands inside the box girder cannot be re-tensioned or replaced. The significance of setting the external cable lies in the secondary tension and replacement, which cannot be realized due to the small space, and also makes the design of the external cable meaningless. Contents of the invention [0003] The present invention aims at the disadvantages in the prior art that the anchorage position of the steel cable is located between the box girders, and because the distance between the box girders is small, the staff cannot enter to tension and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/12E01D21/00E04B1/58
Inventor 孙天明上官兴
Owner ZHEJIANG CTB WAVEFORM STEEL WEB