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Installation method of double-layer long-span steel structure corridor

An installation method and a large-span technology, which can be used in building construction, building material processing, construction, etc., and can solve problems such as inability to accommodate large-tonnage cranes and installation difficulties.

Active Publication Date: 2020-08-11
CHINA MCC20 GRP CORP +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0003] The purpose of the present invention is to provide a method for installing a double-layer large-span steel structure corridor, so as to solve the problem that the existing double-layer large-span steel structure corridor construction method is difficult to install because the construction site cannot accommodate large-tonnage cranes

Method used

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  • Installation method of double-layer long-span steel structure corridor
  • Installation method of double-layer long-span steel structure corridor
  • Installation method of double-layer long-span steel structure corridor

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Embodiment Construction

[0026] like Figure 1~Figure 4 As shown, a double-layer long-span steel structure corridor installation method includes the following steps:

[0027] a. The brackets 3 supporting the corridor are installed on the ground corresponding to the two ends of the corridor, and concrete construction is performed on the bottom of each bracket 3 when the brackets 3 are installed.

[0028] b. Splicing and assembling the middle and bottom of the lower corridor, and assembling it into a whole, this whole is called the lower corridor semi-integral 1. Two first truck cranes 2 with the same tonnage are selected, and the two first truck cranes are Cranes 2 are located on both sides of the width direction of the mid-span of the lower corridor semi-integral 1, that is, two first truck cranes 2 are located on both sides of the width direction of the lower corridor semi-integral 1 along the middle of its length direction, the first The projection of the boom axis of the automobile crane 2 on the ...

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Abstract

The invention provides a method for installing a double-layer long-span steel structure vestibule. The method comprises the following steps that a, supporting brackets for supporting the vestibule isinstalled at the positions corresponding to both ends of the vestibule on the ground; b, the middle and bottom of the lower layer vestibule are assembled into a lower layer vestibule semi-integral body, two first truck-mounted cranes with the same tonnage are selected, and the two first truck-mounted cranes are located on the two sides at the midspan position of the lower layer vestibule semi-integral body in the width direction; c, after the concrete construction at the bottoms of the supporting brackets is completed, the two first truck-mounted cranes are used for hoisting the lower layer vestibule semi-integral body to the top ends of the supporting brackets; d, a vestibule top plate is prepared and installed; e, a main truss of the upper layer vestibule is divided into three sections for manufacture and transported to a construction site, a third truck-mounted crane is used for hoisting two sections of end main trusses of the upper layer vestibule to the corresponding positions onthe top plate of the vestibule, and a second truck-mounted crane is used for hoisting a middle main truss of the upper layer vestibule to the top plate of the vestibule; connecting beams and tie barsfor enhancing the strength are installed at the main truss of the upper layer vestibule.

Description

technical field [0001] The invention relates to a construction technology of a building corridor, in particular to a method for installing a double-layer long-span steel structure corridor. Background technique [0002] Generally, when installing a long-span steel structure corridor, it is necessary to install the corridor through large-scale lifting equipment, especially for a long-span corridor, more and larger equipment is required for lifting and installation. However, in some remote areas, due to the limitation of geographical conditions, it is impossible to accommodate large-tonnage lifting equipment, which brings great difficulties to the installation of long-span steel structure corridors. Contents of the invention [0003] The purpose of the present invention is to provide a method for installing a double-layer large-span steel structure corridor, so as to solve the problem that the existing double-layer large-span steel structure corridor construction method is d...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): E04G21/14
CPCE04G21/14
Inventor 郭华新刘建
Owner CHINA MCC20 GRP CORP
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