Construction method of multi-line long span inverted trapezoidal space truss roof system

A technology of space truss and construction method, applied in the direction of roofs, building components, buildings, etc., can solve the problems of complex inverted trapezoidal roof structure, high precision requirements for processing and construction, construction and installation, and irregular shapes, so as to achieve reasonable stress, The effect of high stiffness and high bearing capacity

Inactive Publication Date: 2020-10-30
THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
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  • Abstract
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  • Application Information

AI Technical Summary

Problems solved by technology

However, the inverted trapezoidal roof has a complex structure and irregular shape, which requires high precision in processing, manufacturing and construction.

Method used

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  • Construction method of multi-line long span inverted trapezoidal space truss roof system
  • Construction method of multi-line long span inverted trapezoidal space truss roof system
  • Construction method of multi-line long span inverted trapezoidal space truss roof system

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Embodiment

[0030] A construction method for a multi-line large-span inverted trapezoidal space truss roof system, such as figure 1 As shown, the construction method includes:

[0031] S1. Construction preparation: According to the design drawings, understand the design intent and depth, check the amount of materials and components, and review the specifications, models, and materials of the components to ensure that the design and specification requirements are met; according to the construction site, production schedule and structure Form, divide the truss into partitions, such as figure 2 Shown: The roof trusses are generally divided into four construction areas A, B, C, and D. The overall construction sequence is Area A → Area B → Area C → Area D; The hoisting sequence is as follows: install from north (12 axes) to south (1 axis); the hoisting machinery is: use two 400-ton crawler cranes for segmental hoisting; use 250-ton and 150-ton crawler cranes to assist truss assembly, bodile...

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Abstract

The invention provides a construction method of a multi-line long span inverted trapezoidal space truss roof system. The construction method comprises the steps of: S1, a construction preparation; S2,surveying and setting-out: a measurement of a steel trestle axis and a re-measurement of a scaffold position; S3, pre-embedding of roof components; S4, assembling of a steel trestle; S5, assembling of a hoisting machine; S6, installation of an assembling scaffold; S7, assembling of a giant space tube truss; S8, hoisting of the truss; S9, welding at high altitude; and S10, unloading of a structure. The construction method of the multi-line long span inverted trapezoidal space truss roof system has the characteristics of reasonable stress, high bearing capacity, large rigidity and convenient construction.

Description

technical field [0001] The invention relates to the technical field of a large-span space truss roof system, in particular to a construction method for a multi-line large-span inverted trapezoidal space truss roof system. Background technique [0002] With the continuous development of my country's space structure technology, large-span space structures are widely used in public places such as gymnasiums, convention centers, and airports, and architectural shapes are becoming more and more abundant. The long-span roof structure adopts steel structure, which has the characteristics of light weight, good load-bearing performance, and material saving. At the same time, the steel structure roof has better adaptability to architectural shapes, flexible structural layout, and easy to meet the requirements of architectural appearance and functional requirements. Among them, the inverted trapezoidal roof structure has the characteristics of beautiful shape and harmony with the natur...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B1/342E04B1/35E04B7/00
CPCE04B1/342E04B1/35E04B7/00
Inventor 陈刚王思齐徐晓晖全有维
Owner THE THIRD CONSTR OF CHINA CONSTR EIGHTH ENG BUREAU
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