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Installation method for annular steel structure

An installation method and steel structure technology, applied in building structure, building material processing, construction, etc., can solve the problems of vertical deformation and large load, shorten the installation period, and reduce installation costs, so as to improve installation efficiency and shorten the installation time. Effect of installation cycle and construction cost reduction

Inactive Publication Date: 2014-03-26
SHANGHAI MECHANIZED CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to provide an installation method in the installation of an annular steel structure, to solve the problems of relatively large vertical deformation and load when installing the top ring of the annular steel structure in the prior art, by adding a temporary support frame for Lift the top ring part of the ring steel structure as a whole to improve the overall rigidity and stability of the ring steel structure during installation, avoiding the use of multiple large cranes, so as to achieve the purpose of shortening the installation cycle and reducing installation costs

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  • Installation method for annular steel structure
  • Installation method for annular steel structure

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Embodiment 1

[0024] figure 1 It is a structural schematic diagram of the temporary support frame 200 used in the installation of the ring steel structure 100 in this embodiment. Attached below figure 1 The structure of the temporary support frame 200 in the installation of the ring steel structure 100 will be described in detail.

[0025] The annular steel structure 100 includes a main ring part 12 on the support surface 11 and a top ring part 13 connected to the opening of the main ring part 12, wherein the main ring part 12 includes several main ring segments connected in sequence. The temporary support frame 200 includes two groups of first temporary support frames 21a and 21b arranged in the ring of the main ring portion 12. connection, the other ends of the first temporary support frames 21a and 21b are respectively connected to the main ring segments 121c and 121d near the opening of the main ring part 12, and the two groups of first temporary support frames 21a and 21b are symmetr...

Embodiment 2

[0033] This embodiment is the installation method of the annular steel structure 100 of Embodiment 1, combined below Figure 1 to Figure 2 The installation method of the ring steel structure 100 will be described in detail.

[0034] Step a: hoist and install the main ring segments in sequence to form the main ring part on the support surface, and install them in the ring of the main ring part to form two sets of first temporary support frames, and the two sets of first temporary support frames are symmetrical It is arranged on both sides of the axis of the main ring part; specifically, it includes the following steps:

[0035] Step a1: Install two sets of main ring segments 121a and 121b symmetrical about the axis ax on the supporting surfaces 11 on both sides of the main ring part 12 with the axis ax;

[0036] Step a2: install temporary support sections on the two sets of main ring segments 121a and 121b in step a1 respectively;

[0037] Step a3: In order to ensure the latera...

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Abstract

The invention provides an installation method for an annular steel structure, and belongs to the technical field of building construction. The installation method for the annular steel structure aims to solve the problem that in the prior art, vertical deformation and a load ratio are large when a top ring part of the annular steel structure is installed. The annular steel structure installation method comprises the following steps: step a, a plurality of main ring sections are sequentially hoisted, installed and connected to form a main ring part located on a supporting surface, and two first temporary supporting frames are installed in the ring of the main ring part; step b, the top ring part is assembled on the supporting surface; step c, the top ring part is lifted to an opening of the main ring part through the two first temporary supporting frames; step d, the top ring part is connected with the main ring part to form the annular steel structure. By the adoption of the annular steel structure installation method, the situation that multiple large cranes are used can be avoided, the installation period is greatly shortened, and installation cost is lowered.

Description

technical field [0001] The invention relates to the technical field of building construction, in particular to an installation method in the installation of a ring-shaped steel structure. Background technique [0002] At present, large-scale variable-section steel structures have been widely used in the construction field, and large-scale variable-section steel structures are irregular in shape. How to choose a reasonable and safe structural installation technical route during the installation process to avoid massive reinforcement of the structure and at the same time Ensuring that the structure is safe and reliable during installation is a difficult point in the installation technology of large-scale variable-section steel structures. [0003] Taking the installation and construction of the ring-shaped steel structure as an example, when hoisting the lower half of the ring-shaped steel structure in sections, because the main ring of the ring-shaped steel structure itself h...

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Application Information

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IPC IPC(8): E04G21/14
Inventor 许海峰吴欣之陈晓明曹辉胡诗珠季卫峰
Owner SHANGHAI MECHANIZED CONSTR GRP
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