Construction method adopting column top integral-type operating platform in concrete pouring of prefabricated vertical column
A technology of operation platform and construction method, which is applied in the direction of manufacturing tools, buildings, ceramic molding machines, etc., to achieve the effect of solving safety protection problems
Inactive Publication Date: 2020-09-08
SHANGHAI NO 4 CONSTR
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Problems solved by technology
[0005] In view of the defects in the prior art, the purpose of the present invention is to provide a construction method for the integral operation platform on the top of the prefabricated column concrete pouring, which can provide the operation platform and safety for the operators when the prefabricated column concrete is poured vertically in the factory. Protective measures, which solve the safety protection problem of high-altitude operations during the concrete pouring of prefabricated columns
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[0032] The present invention will be described in detail below in conjunction with specific embodiments. The following examples will help those skilled in the art to further understand the present invention, but do not limit the present invention in any form. It should be noted that those skilled in the art can make several modifications and improvements without departing from the concept of the present invention. These all belong to the protection scope of the present invention.
[0033] Referring to 1-4, it is a schematic diagram of the construction steps of the column top integral operating platform of the prefabricated column concrete pouring in a preferred embodiment of the present invention. The construction method includes the following steps:
[0034] refer to figure 1 As shown, after the column reinforcement cage 103 is closed, the column formwork 102 and the column reinforcement cage 103 are lifted and transported to the pouring platform as a whole for fixing, and ...
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Abstract
The invention provides a construction method adopting a column top integral-type operating platform in concrete pouring of a prefabricated vertical column. The construction method comprises the steps:a vertical column formwork and a vertical column reinforcement cage are overall hoisted to a pouring pedestal for fixing; the operating platform is mounted at the top of the vertical column formwork,the center of the operating platform is provided with a hollow frame, an annular passage provided for walking of a constructor is formed in the periphery of the hollow frame, the operating platform is hoisted to the position over the vertical column formwork through a hoisting device, and the hollow frame sleeves the top of the vertical column formwork and is supported on a steel horizontal arrisat the top of the vertical column formwork; after mounting of the operating platform is completed, the constructor is conveyed onto the operating platform for concrete pouring construction; and afterconcrete pouring construction is completed, the operating platform is lifted upwards through the hoisting device and separated from the vertical column formwork, and the operating platform is dismantled. The construction platform and safety protection measures are provided for an operator in concrete vertical pouring of the prefabricated vertical column in a factory, and the safety protection problem of aloft work in concrete pouring of the prefabricated vertical column is solved.
Description
technical field [0001] The invention relates to the technical field of safety protection construction of prefabricated column concrete pouring in factory in the prefabricated bridge construction technology, and in particular relates to a construction method of a column top integral operation platform for prefabricated column concrete pouring. Background technique [0002] The column is an important part of the bridge structure. In the past, the traditional installation method was cast-in-place, the steel bars were bound on site, and the concrete construction relied on the scaffolding platform. However, this process has disadvantages such as long construction period, high construction cost, and difficult quality assurance. With the promotion of construction industrialization, bridge engineering is gradually replacing traditional crafts with prefabricated assembly construction methods, and columns have also begun to be constructed by factory prefabricated on-site installation. ...
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IPC IPC(8): B28B23/02E01D19/02E01D101/26
CPCB28B23/02B28B23/024E01D19/02E01D2101/26
Inventor郑晏华李申杰干华铭孙俊周君李晨辉姚艳曹佳雯张剑宇董少白王冬张锡霖王灏
OwnerSHANGHAI NO 4 CONSTR