Construction method for goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure

A steel structure construction, horseshoe-shaped technology, applied in the direction of special structures, pillars, building components, etc., can solve the problems of truss core tube collision, corbel butt joint precision is difficult to control, etc., to enhance the bearing capacity of the board surface, facilitate local support reinforcement, The effect of precise positioning

Pending Publication Date: 2021-12-17
中建六局第一建设有限公司 +1
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

The butt joint members are divided into multi-layer circumferential arrangement, the truss is easy to collide with the core tube when lifting, and the corbel butt joint accuracy is difficult to control after the lift is in place

Method used

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  • Construction method for goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure
  • Construction method for goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure
  • Construction method for goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure

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Embodiment Construction

[0070] In order to further understand the invention content, characteristics and effects of the present invention, the following examples are given, and detailed descriptions are as follows in conjunction with the accompanying drawings:

[0071] Please refer to the accompanying drawings, a construction method for a super-long multi-layered horseshoe-shaped curved space steel structure with bottle-shaped supports. The steel structure adopts a plurality of giant steel pipe column core tubes 1 that pass through the basement roof and have a large inclination angle to support a large-span asymmetrical horseshoe-shaped multi-layered truss 2. Each of the core tubes is provided with four giant steel pipe columns 1-1 with a large inclination angle. The cross truss is equipped with multi-layer webs 2-1-3 between the upper chord 2-1-1 and the lower chord 2-1-2, and the inner and outer ring oblique truss , The lower chord is connected by platform beam 2-1-4.

[0072] The construction met...

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Abstract

The invention discloses a construction method for a goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure. The steel structure adopts a plurality of large-dip-angle giant steel pipe column core tubes penetrating through a top plate of a basement to support a large-span asymmetric horseshoe-shaped multilayer truss, and the construction method comprises the following steps: 1) mounting a core tube; pre-burying and fixing steel pipe column foundation bolts through a positioning frame; adopting multi-space accurate positioning on a spatial special-shaped circular tube inclined column of the steel pipe column; adopting multiple-space accurate positioning in positioning and mounting of a large-span overweight steel box girder, and reserving an operation hole in a cover plate, wherein welding is facilitated, and the field welding quality of a butt joint opening of the steel box girder is improved; and 2) mounting a truss: splicing the truss on the ground through a positioning jig frame, integrally lifting the truss through a plurality of lifters mounted on the top of a steel tube column of the core tube, and carrying out butt joint on pre-mounted inward-extending cantilever brackets and outward-extending cantilever brackets on the core tube. The method can meet the field mounting requirements of the goblet-shaped support super-long multi-layer horseshoe-shaped curved surface space steel structure.

Description

technical field [0001] The invention relates to a steel structure construction method, in particular to a bottle-shaped support ultra-long multi-layered horseshoe-shaped curved space steel structure construction method. Background technique [0002] The structural form of an engineering project is a bottle-shaped support super-long multi-layer horseshoe-shaped curved space steel structure. The building height is 24m, with one floor underground and five floors above the ground. The lower part is a concrete steel pipe column and the upper part is a steel structure. The total steel consumption is 7,500 tons. The project is composed of three parts: a giant steel column core tube with a large inclination angle, a large-span asymmetrical horseshoe-shaped multi-layer skew truss and a platform beam. [0003] The project has 7 giant steel column core tubes with large inclination angles as the support structure of the oblique truss. The core tube is a bottle-shaped support system with...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/34E04B1/342E04C3/32E04G21/14E04G21/16E04G21/18
CPCE04B1/34E04B1/342E04C3/32E04G21/14E04G21/16E04G21/1841
Inventor 隗合新郭颖李心雷高璞顾军兵
Owner 中建六局第一建设有限公司
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