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Box girder support system construction process

A technology of support system and construction technology, which is applied in the direction of bridges, bridge materials, bridge construction, etc., can solve problems affecting project quality and construction quality, etc., to improve project quality, eliminate inelastic deformation, improve construction safety and project quality quality effect

Inactive Publication Date: 2021-02-02
THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GRP +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

The quality of the bracket affects the quality of the project. If the quality of the bracket is difficult to meet the construction requirements, it will affect the quality of the construction.

Method used

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  • Box girder support system construction process
  • Box girder support system construction process
  • Box girder support system construction process

Examples

Experimental program
Comparison scheme
Effect test

Embodiment

[0033] Embodiment: A kind of box girder support system construction technology, comprises the following steps:

[0034] Step 1: erection of cast-in-place box girder brackets. Box girder brackets at different positions adopt different erection methods. Common erection methods include full-panel buckle-type bracket structure and door-hole type bracket structure.

[0035] A box girder bracket, see figure 1 , comprising a vertical bar 1, a horizontal bar 2, an oblique bar 3, a disc fitting 4 and a latch 5. The disc fitting 4 is plugged on the pole 1, moved to a fixed position and fixed by welding, and the axis of the disc fitting 4 coincides with the axis of the pole 1. Both ends of the horizontal bar 2 are fixed with a first plug 21 connected to the disc fitting 4 , and both ends of the oblique bar 3 are fixed with a second plug 31 connected with the disc fitting 4 . Both the first plug 21 and the second plug 31 are plugged into the disk fitting 4 and fixed by the pin 5 .

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PUM

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Abstract

The invention discloses a box girder support system construction process, which relates to the field of municipal infrastructure construction, and is characterized by comprising the following steps: step 1, erecting a cast-in-place box girder support; step 2, erecting a side span cast-in-place section support; step 3, erecting an inner mold support; step 4, pre-pressing the support; step 5,adjusting template; step 6, dismounting the support. The situation that the supporting legs cannot meet the construction quality can be reduced, and the effect of improving the engineering quality is achieved.

Description

technical field [0001] The application relates to the field of municipal infrastructure construction, in particular to a construction technique of a box girder support system. Background technique [0002] With the continuous development of bridge (viaduct) construction technology, the construction method of using prefabricated segmental box girders to assemble box girders has been widely used in the field of bridge construction. Beams, transport the prepared segmental box girders to the construction site, and then assemble them to complete the construction of the box girders. When assembling prefabricated segmental box girders, the prior art often uses gantry cranes to hoist prefabricated segmental box girders. Before hoisting prefabricated segmental box girders, steel brackets are placed below the positions where prefabricated segmental box girders will be placed. Now For some steel supports, steel pipes are welded with channel steel on site to form an applicable steel su...

Claims

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Application Information

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IPC IPC(8): E01D21/00E01D2/04G01M99/00E01D101/24
CPCE01D21/00E01D2/04G01M99/007E01D2101/24
Inventor 王有旗朱连臣谢彬张志华刘普前宋昱宇刘承启
Owner THE 5TH ENG CO LTD OF CHINA RAILWAY 25TH BUREAU GRP
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