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

A technology of large-span cantilever and construction platform, which is applied in the direction of building structure support, building structure support, building structure support scaffolding, etc., to achieve the effects of convenient construction and installation, avoiding cross operations, and reducing the risk of high-altitude operations

Active Publication Date: 2020-12-08
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 large-span cantilever structure construction platform and method

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Embodiment 1

[0031] This 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, and an upper chord secondary beam arranged on the upper chord of the truss. The lower chord secondary beam of the lower chord of the truss, the profiled plate or supporting formwork arranged on the upper chord secondary beam.

[0032] This embodiment also provides a construction method for the construction platform of the above-mentioned high-altitude large-span cantilevered structure, including the following steps:

[0033] 1) Construct the concrete base module first, and install the column on the concrete base module after the concrete base module reaches the design strength;

[0034] 2) After the column is installed, the concrete base module is constructed on the concrete base mo...

Embodiment 2

[0041] Such as figure 1 , 2 As shown, the present embodiment provides a construction platform for a high-altitude large-span cantilever structure 1, comprising: a concrete structure 2, a column 3 pre-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 secondary beam 51 of the upper chord 42 , the lower chord secondary beam 52 arranged on the lower chord 41 of the truss 4 , the profiled plate 9 or the supporting formwork arranged on the upper chord secondary beam 51 . The construction platform is set under the high-altitude long-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 . Spec...

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Abstract

The invention discloses a high-altitude large-span cantilever structure construction platform and method. The construction platform comprises a concrete structure, a stand column pre-buried in the concrete structure, a parallel chord truss arranged on the stand column, an upper chord secondary beam arranged on a truss upper chord, a lower chord secondary beam arranged on a truss lower chord, and acontour plate or a supporting formwork arranged on the upper chord secondary beam. The construction platform can be used as the high-altitude cantilever concrete structure construction platform, andis particularly suitable for the situations of large suspension height, large span and large construction load. The construction platform is simple in structure and convenient to construct and install, the construction problem of the high-altitude large-span cantilever structure can be effectively solved, the construction method saves materials, the danger of high-altitude operation is reduced, the construction difficulty and the construction safety risk are reduced, meanwhile, cross operation with surrounding structures is avoided, and the construction efficiency of the high-altitude large-span cantilever structure is improved.

Description

technical field [0001] The invention belongs to the technical field of design and construction of building structures, and in particular relates to a construction platform and method for a high-altitude and large-span suspension structure. Background technique [0002] A cantilever structure is a suspended structure that protrudes outward from the structure. Generally speaking, the height and span are not large, and the self-weight is also small. However, due to the special process and layout requirements, nuclear power plants and other industrial structures appear high-altitude and large-span cantilevered concrete structures with large suspension heights, large spans, and self-heavy weight. For this kind of structure, due to the lack of construction platform, it is generally considered to use full hall scaffolding, cantilevered scaffolding, triangular braces, etc. to build temporary construction platforms; however, cantilevered scaffolding and triangular braces cannot be us...

Claims

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Application Information

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Patent Type & Authority Applications(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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