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Construction method of track gauge variation block slippage of long span spatial composite roof truss

A construction method and pipe truss technology, which is applied in the processing of building materials, construction, building construction, etc., can solve the problems of large hoisting radius, difficulty, and wide cross-construction operations on site, and achieve broad application prospects and improve construction quality , the effect of high construction precision

Active Publication Date: 2013-07-24
JIANGSU HUNING STEEL MECHANISM
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Problems solved by technology

Due to the long roof structure, the large hoisting radius of this project, the high precision requirements for the on-site docking of the nine-tube truss, and the extensive cross-construction operations on site, it has brought great difficulties to choose a reasonable and economical hoisting scheme. The hoisting of large steel pipe columns that cannot be realized by existing machinery

Method used

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  • Construction method of track gauge variation block slippage of long span spatial composite roof truss
  • Construction method of track gauge variation block slippage of long span spatial composite roof truss
  • Construction method of track gauge variation block slippage of long span spatial composite roof truss

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Embodiment

[0027] like figure 1 The long-span space pipe truss roof is described, and the roof is divided into five sliding partitions and three hoisting partitions; the construction method of the large-span space pipe truss roof variable amplitude and block sliding, the specific steps as follows:

[0028] (1) Divide the large-span space tube truss roof into five sliding partitions and three hoisting partitions;

[0029] (2) Set up an assembly site in the airside area of ​​the lobby to assemble the sliding supports for the sliding of each sliding area and auxiliary sliding area;

[0030] (3) After the sliding partition is assembled, it is disassembled into sliding blocks, and the sliding track is laid on the floor to be installed in the hall according to the radial position of the arc, and the sliding bracket and the sliding block are hoisted on the sliding track , and then carry out radial cumulative sliding together; the method of radial cumulative sliding installation is: sliding on...

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Abstract

The invention discloses a construction method of track gauge variation block slippage of a long span spatial composite roof truss, namely, the roof is divided into a plurality of slippage zones in the radial direction, the slippage zones are assembled on a hall hollow side and are mounted through a radial accumulation slippage method, and lastly the remained lifting zones are lifted and mounted through a combined installation method of slippage and lifting. The construction method of track gauge variation block slippage of the long span spatial composite roof truss can be applied to the construction of the long span spatial composite roof truss which weights more than 10000 tons, the problem that oversized profile steel pillars can not be lifted and mounted is solved, and the construction method can be widely used in the field of long-span construction of a steel structure and has wide popularization and application prospects.

Description

technical field [0001] The invention relates to a construction of on-site installation of a steel structure, in particular to a construction method for sliding of large-span space pipe truss roof gauge variable amplitude blocks. Background technique [0002] The land side of Nanjing Lukou International Airport is composed of three parts: the terminal building, the parking building and the transportation center, and the three parts are under construction at the same time. Seismic joints are set between the steel structure main building of the terminal building and the porches, and the main building part is close to fan-shaped (such as figure 1 As shown), the maximum longitudinal length is 471m, and the maximum horizontal width is about 188m. The roof structure adopts a curved space grid structure system. The peak part is a double-layer grid. The trough part is matched with the skylight of the building to adopt a single-layer structure. The overhanging part and the two sides...

Claims

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Application Information

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IPC IPC(8): E04G21/14
Inventor 殷巧龙
Owner JIANGSU HUNING STEEL MECHANISM
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