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High-altitude and large-span cantilever structure construction platform and method

A large-span cantilever and construction platform technology, which is applied in the direction of housing structure support, housing structure support, and scaffolding supported by housing structure, etc., to reduce construction safety risks, reduce construction difficulty, and improve construction efficiency.

Active Publication Date: 2022-07-08
CHINA NUCLEAR POWER ENG CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The technical problem to be solved by the present invention is to provide a high-altitude large-span cantilever structure construction platform and a method for the above-mentioned shortcomings in the existing construction methods, which solve the problems of high-altitude large-span cantilever structure construction platform construction difficulty and poor safety. problem

Method used

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  • High-altitude and large-span cantilever structure construction platform and method

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Embodiment 1

[0031] The present embodiment provides a high-altitude large-span cantilever structure construction platform, including: a concrete structure, a column embedded in the concrete structure, a parallel chord truss arranged on the column, an upper chord secondary beam arranged on the upper chord of the truss, a The lower chord secondary beam of the lower chord of the truss, the pressing plate or supporting formwork set on the upper chord secondary beam.

[0032] The present embodiment also provides a construction method for the above-mentioned high-altitude large-span cantilever structure construction platform, comprising the following steps:

[0033] 1) The concrete base module is constructed first, and after the concrete base module reaches the design strength, the column is installed on the concrete base module;

[0034] 2) After the installation of the column is completed, construct the concrete base module on the concrete base module, and part of the column is pre-buried in t...

Embodiment 2

[0041] like figure 1 , 2 As shown, the present embodiment provides a construction platform of a high-altitude large-span cantilever structure 1, comprising: a concrete structure 2, a column 3 embedded in the concrete structure 2, a parallel chord truss 4 arranged on the column 3, a truss arranged on the truss 4. The upper chord sub-beam 51 of the upper chord 42, the lower chord sub-beam 52 arranged on the lower chord 41 of the truss 4, the pressing plate 9 or the supporting template arranged on the upper chord sub-beam 51. The construction platform is arranged below the high-altitude large-span cantilever structure 1 .

[0042] Specifically, the column 3 in this embodiment is a wide flange H-shaped steel column. The parallel chord truss 4 includes a lower chord 41 , an upper chord 42 and a web 43 . The upper chord 42 and the lower chord 41 are parallel to each other, and the upper chord 42 is connected to the lower chord 41 through the web 43 . Specifically, in this embodim...

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Abstract

The invention discloses a high-altitude large-span cantilever structure construction platform and a method. The construction platform comprises: a concrete structure, a column embedded in the concrete structure, a parallel chord truss arranged on the column, and an upper chord arranged on the upper chord of the truss The secondary beam, the lower chord secondary beam arranged on the lower chord of the truss, the pressing plate or the supporting formwork arranged on the upper chord secondary beam. The construction platform in the present invention can be used as a construction platform of a high-altitude and cantilevered concrete structure, and is especially suitable for situations with large suspended height, large span and large construction load. The construction platform is simple in structure, convenient in construction and installation, and can effectively solve the construction problems of high-altitude and large-span cantilevered structures. The cross operation improves the construction efficiency of high-altitude large-span cantilever structures.

Description

technical field [0001] The invention belongs to the technical field of design and construction of building structures, and in particular relates to a high-altitude and large-span cantilever structure construction platform and method. Background technique [0002] The cantilever structure is a suspended structure that projects out of the structure. Generally speaking, the height and span are not large, and the self-weight is also small. However, due to special process and layout requirements, high-altitude and large-span cantilevered concrete structures have appeared in nuclear power plants and other industrial structures. For this kind of structure, due to the lack of construction platforms, it is generally considered to use full-floor scaffolding, cantilevered scaffolding, triangular braces, etc. to set up temporary construction platforms; however, cantilevered scaffolding and triangular braces cannot be used for large spans and construction loads. The erection height of t...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04B1/00E04G13/06E04B1/342E04G3/18
CPCE04B1/00E04G13/06E04B1/342E04G3/18Y02E30/00
Inventor 马英杨建华蔡利建李玉民高爱平赵维民张莉徐国祯王彦超沈亮
Owner CHINA NUCLEAR POWER ENG CO LTD
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