High-upright formwork integrated construction technology

A construction technology and column technology, which is applied in the field of high column formwork integrated construction technology, can solve the problems of high foundation requirements, high construction risks, high scaffold erection costs, etc., and achieve the effect of saving construction measures and ensuring construction safety

Active Publication Date: 2016-09-21
CCCC FIRST HARBOR ENG +1
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

At present, the mainstream operation platform is erecting steel pipe fastener scaffolding and portal scaffolding. Scaffolding erection cost is high, foundation requirements are high, and construction risk is high, which has always been a problem in the engineering field.

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0019] The high column formwork integrated construction process is characterized in that it includes the following steps:

[0020] (1) Install the hoop and the operating platform, hoist the hoop and its operating platform as a whole, insert it from the top of the column, and when it reaches the corresponding elevation position, put a rubber pad inside the hoop, and then tighten the bolts of the hoop to operate The platform is welded with channel steel. When the hoop is placed, the operating platform and the hoop are fixed with U-shaped clips. The height of the fence of the operating platform is 1.2m, and the surrounding area is covered with dense mesh;

[0021] (2) The formwork worker stands on the hoop operating platform, installs and fastens the lower formwork in pieces, and the height of the lower formwork wrapping column is greater than 30cm;

[0022] (3) During the installation process, the personnel stand on the formwork of the lower section, and each formwork is equippe...

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PUM

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Abstract

The invention discloses a high-upright formwork integrated construction technology suitable for construction of an upright with the height over 3 m. A hoop and an operation platform which are assembled are integrally lifted and arranged on the upright from the top in a sleeving manner to the corresponding elevation so as to be fixedly installed; a lower-section formwork is then installed; an operator stands on the lower-section formwork, so that an upper-section formwork and the operation platform are integrally lifted; then a maintenance net and a vase-section formwork are integrally lifted and installed in sequence, and the operator gets on and off the operation platform through an elevator cage; then reinforcing steel bars are bound upwards from the bottoms in the formworks, and concrete is poured after binding is conducted; and finally, the vase-section formwork, the upper-section formwork, the lower-section formwork and the operation platform are detached. Compared with erection of a conventional scaffold, the formwork integrated construction technology can be used for reducing the measure cost by over 90%, and the construction safety and the construction quality can be guaranteed.

Description

technical field [0001] The invention relates to the technical field of bridge engineering, in particular to a high column formwork integrated construction process. Background technique [0002] The construction of high columns is an unavoidable sub-project in bridge construction. Due to the limitation of formwork and vibration, the construction of high columns needs to be poured in multiple times. At present, the more common high column construction technology is the overturning construction technology. The main principle of overturning formwork construction is that after the concrete pouring of the one-step column is completed, the upper section formwork is reserved without dismantling, as a supporting base form, and the lower section formwork is turned up and installed on it, and the process of turning up one by one. The main measures of this process The cost and safety risk point is to set up the operation platform. The current mainstream operating platforms are steel p...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E01D21/00
CPCE01D21/00
Inventor 覃宇宁任智辉
Owner CCCC FIRST HARBOR ENG
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