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Large-span steel gallery structure with annular rigid pieces on cross section

A large-span, steel corridor technology, applied in building structures, buildings, etc., to achieve the effects of increased ultimate load, increased stiffness, and increased natural vibration frequency

Inactive Publication Date: 2016-04-06
SUZHOU INDAL PARK DESIGN & RES INST
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  • Summary
  • Abstract
  • Description
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  • Application Information

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Problems solved by technology

[0003] technical problem: In order to realize the large span of the steel corridor, reduce redundant structural components, and make the structure light and beautiful, the present invention provides a new structural system with a ring-shaped rigid piece in section, and the rigid connection between nodes increases the rigidity and strength of the steel corridor. span, reducing the vertical deformation of the steel corridor

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  • Large-span steel gallery structure with annular rigid pieces on cross section
  • Large-span steel gallery structure with annular rigid pieces on cross section
  • Large-span steel gallery structure with annular rigid pieces on cross section

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Embodiment Construction

[0023] The structure of the present invention is as figure 1 - Figure 6 As shown: the large-span steel corridor structure includes two upper chord longitudinal members 1, two lower chord longitudinal members 2, upper chord transverse secondary beams 3 and web members 4, and the upper chord transverse secondary beams 3 and web members 4 are connected together to form a ring-shaped rigid structure. The sheet 5 surrounds the upper chord longitudinal rod 1 and the lower chord longitudinal rod 2 along the cross section, and makes the distance between the two upper chord longitudinal rods 1 greater than the distance between the two lower chord longitudinal rods 2, so that the ring-shaped rigid sheet 5 as a whole has a One approximates an inverted triangle shape. A plurality of ring-shaped rigid plates 5 are provided, distributed symmetrically from the middle to the supports for fixing the corridor structure along the direction of the upper chord longitudinal bar 1 and the lower c...

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Abstract

The invention discloses a large-span fish-bellied steel gallery structure which is provided with annular rigid pieces on the cross section and is suitable for an outdoor large-span gallery and a pedestrian bridge. The structural system is clear in force transmission, the structural rigidity and the natural vibration frequency of a gallery are changed through node rigid connection of the annular rigid pieces (5), large span of the gallery is achieved, and the design requirements are met. The large-span steel gallery structure has the advantages that the structural system is novel, no cross diagonal rod is arranged between web members (4), the model is complex and unique, the different loading requirements can be met by regulating the size and thickness of the annular rigid pieces (5), and a novel structural system is supplied to satisfaction of the requirements of the gallery for large span and comfortability.

Description

technical field [0001] The invention relates to the technical field of design and construction of large-span fish-bellied steel corridors. Background technique [0002] In recent years, with the development of engineering technology, the forms of high-rise buildings have become more and more diverse. High-altitude corridors are loved by architects because of their grandeur and modern atmosphere. How to efficiently and accurately analyze and design the structural system of long-span corridors has become an urgent issue to be solved. Looking at the corridors at home and abroad, the corridors with a small span (less than 30 meters) generally adopt a prestressed beam-slab structure or a composite beam-slab structure and the main structure to be integrally cast in place. Structural truss form or tension string structure system. Although the steel truss structure is widely used in long-span corridor structures, the current domestic engineering upper and lower chords and web memb...

Claims

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Application Information

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IPC IPC(8): E04B1/00E04B1/342
CPCE04B1/0046E04B1/342E04B2001/0069E04B2001/0084
Inventor 杨小敬朱小寒王伟
Owner SUZHOU INDAL PARK DESIGN & RES INST
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