Construction method for overall support removal

A construction method and overall technology, applied in the erection/assembly of bridges, bridges, buildings, etc., can solve problems such as slow construction speed, large construction site, and inability to carry out construction

Active Publication Date: 2016-10-12
江苏燕宁工程科技集团有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0002] The construction method of the overall support frame is mainly to dismantle and turn over the formwork of the support after the pouring of the cast-in-place box girder is completed. The construction method in the prior art uses a large crane for construction, which requires a large construction site and slow construction speed. Steep, complex terrain, and even individual piers located on cliffs, existing methods cannot be used for construction

Method used

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  • Construction method for overall support removal
  • Construction method for overall support removal
  • Construction method for overall support removal

Examples

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Embodiment

[0026] see figure 1 and figure 2 , the present embodiment provides a construction method for supporting the overall falling frame, which is mainly used for dismantling the support template 200 of the cast-in-place box girder 100. The cast-in-place box girder 100 is a kind of middle beam in bridge engineering, and the interior is hollow, with two sides on the upper part. The flange 112 is similar to a box, hence the name.

[0027] The cast-in-place box girder 100 in this embodiment includes a beam surface 110, a beam bottom 120 and a pier body 130, wherein the beam surface 110 is fixedly connected to the beam bottom 120, the pier body 130 is fixedly connected to the beam bottom 120, and the beam surface 110 and the beam bottom 120 is arranged coaxially, and the width of the beam surface 110 is greater than the width of the beam bottom 120 , so that both ends of the beam surface 110 protrude from the beam bottom 120 to form the flange 112 of the beam surface 110 . During the ...

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Abstract

The invention provides a construction method for overall support removal and relates to the field of bridges. A cast-in-place box beam comprises a beam surface, a beam bottom and a pier body. A support formwork comprises sand boxes, a distributive beam, bailey beams and brackets. The construction method for overall support removal includes the steps that holes are formed, specifically, the through holes are formed in the beam surface; removal equipment is mounted, specifically, the removal equipment comprises hanging belts, collecting and releasing mechanisms and a control mechanism, the collecting and releasing mechanisms are mounted on the beam surface and close to the through holes, and the hanging belts penetrate through the through holes to hang a main cross beam; the support formwork is separated, specifically, the sand boxes and the brackets are removed, and the hanging belts hang the support formwork to suspend the support formwork; and the support formwork is dismounted, specifically, the collecting and releasing mechanisms continuously retract to release the hanging belts, and the support formwork is dismounted after slowly falling to an operation height. The removal equipment provided by the invention is simple, easy to transfer and small in occupied space, greatly reduces land, can be used at narrow construction sites or bridges on cliffs, and is wide in application area.

Description

technical field [0001] The invention relates to the field of bridges, in particular to a construction method for integrally dropping a bracket. Background technique [0002] The construction method of the overall support frame is mainly to dismantle and turn over the formwork of the support after the pouring of the cast-in-place box girder is completed. The construction method in the prior art uses a large crane for construction, which requires a large construction site and slow construction speed. Steep, complex terrain, and even individual piers located on cliffs, cannot be constructed by existing methods. Contents of the invention [0003] The object of the present invention is to provide a construction method for integrally falling stents, which is not affected by the surrounding environment of construction, can adapt to various construction environments, can be used for construction of bridges in mountainous areas, speeds up construction and saves costs. [0004] Emb...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 缪建新耿小平朱宏伟刘国庆李丰年周加思
Owner 江苏燕宁工程科技集团有限公司
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