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Combined large-span orthogonal truss roof structure supported by four corners of double-arch three-dimensional truss on ground, forming method and application

A three-dimensional truss and arch truss technology, applied in truss-type structures, roofs, girders, etc., can solve the problems of complex component composition and complex node connection structure, and achieve the effect of reducing self-weight, ensuring bearing performance, and reasonable structure of the structural system

Inactive Publication Date: 2022-01-14
ZHEJIANG UNIV CITY COLLEGE
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006] In addition, the composite long-span orthogonal truss roof structure system has problems such as complex node connection structure, complex component composition, load-bearing performance and stiffness. The design and composition scheme are also an important factor to ensure its load-bearing performance and normal use

Method used

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  • Combined large-span orthogonal truss roof structure supported by four corners of double-arch three-dimensional truss on ground, forming method and application
  • Combined large-span orthogonal truss roof structure supported by four corners of double-arch three-dimensional truss on ground, forming method and application
  • Combined large-span orthogonal truss roof structure supported by four corners of double-arch three-dimensional truss on ground, forming method and application

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Effect test

Embodiment 1

[0056] Such as Figures 1a-1g as well as Figure 2-Figure 4 As shown, the combined large-span orthogonal truss roof structure supported by the four corners of the double-arch three-dimensional truss includes floor-to-ceiling double-arch three-dimensional trusses, orthogonal plane arc-shaped trusses, roof connecting steel beams, and large-opening boundary arc-shaped arch beams. , single-layer reticulated shells on both sides and boundary structures with small openings; the floor-to-ceiling double-arch three-dimensional truss ( Figure 1b ) is located on both lateral sides, and is composed of 2 large-span oblique facade arc-shaped inverted triangular three-dimensional arch trusses, which are fixedly supported at the four corners and arranged along the longitudinal symmetrical sides; the orthogonal plane arc-shaped trusses ( Figure 1c ) is located in the middle and is composed of multiple orthogonal planar arc-shaped trusses arranged at a certain distance along the transverse di...

Embodiment 2

[0074] Such as Figure 9 As shown, the specific components of the combined large-span orthogonal truss roof structure supported by the four corners of the double-arch three-dimensional truss are as follows:

[0075] S1, the upper chord arch 1 of the landing three-dimensional arch truss, the lower chord arch 2 of the landing three-dimensional arch truss, the horizontal bar 3 of the landing three-dimensional arch truss, the vertical web bar 4 of the landing three-dimensional arch truss, and the inclined web bar 5 of the landing three-dimensional arch truss to form a unit Arc-shaped inverted triangular three-dimensional arch truss;

[0076] S2. Based on the symmetrical arrangement of the central positioning point 22, the inverted triangular three-dimensional arch trusses located on both sides along the longitudinal direction of 2 arcs are fixed and supported by the landing ends 6 of the end-floor three-dimensional trusses, forming the main structure of the two-arch three-dimensio...

Embodiment 3

[0085] The present invention also provides a combined large-span orthogonal truss roof structure supported at the four corners of the double-arch three-dimensional truss. The combined architectural modeling roof is supported at the four corners of the two-way large-span space at the bottom, the two-way arc-shaped curved surface of the roof, and the large opening entrance boundary structure. For structural system design and application in load bearing, the long span refers to the maximum spatial span of the structure not less than 100 meters.

[0086] Compared with the deficiencies of the prior art, the present invention provides a combined large-span orthogonal truss roof structure with double-arch three-dimensional trusses supported at four corners, based on a combination of floor-to-ceiling double-arch three-dimensional trusses and planar arc-shaped trusses. The long-span integral truss structure, the lateral support of the planar arc truss and the ground support boundary tre...

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Abstract

The invention discloses a combined large-span orthogonal truss roof structure supported by four corners of a double-arch three-dimensional truss on the ground. The combined large-span orthogonal truss roof structure comprises the double-arch three-dimensional truss on the ground, an orthogonal plane arc-shaped truss, roof connecting steel beams, large-opening boundary arc-shaped arched beams, two-side single-layer latticed shells and small-opening boundary structures. The double-arch three-dimensional truss on the ground is composed of two inclined vertical face arc-shaped inverted triangular three-dimensional arch trusses. The orthogonal plane arc-shaped truss is composed of multiple orthogonal plane arc-shaped trusses. The roof connecting steel beams comprise the upper chord steel beams and the lower chord steel beams. The large-opening boundary arc-shaped arched beams are composed of two inclined vertical face arc-shaped arched beams. The two-side single-layer latticed shells comprise radial main inclined rods and annular auxiliary rods. The small-opening boundary structures comprise main arc-shaped arches on the ground, longitudinal connecting rods and inclined connecting rods. Based on an overall stress system formed by combining the double-arch three-dimensional truss on the ground and the orthogonal plane arc-shaped truss, component forming modules are clear, force transmission is clear, and the combined large-span orthogonal truss roof structure has the advantages of being large in two-way span space, provided with arc-shaped curved faces and high in bearing capacity.

Description

technical field [0001] The invention belongs to the technical field of structural engineering, and in particular relates to a combined large-span orthogonal truss roof structure supported by four corners of a double-arch three-dimensional truss, a composition method and an application. Large span means that the maximum spatial span of the structure is not less than 100 meters. Background technique [0002] The truss structure system is a large-span building and roof structure system composed of multiple one-way or two-way truss structures connected. It has the advantages of light weight, large span and high bearing capacity. The bending stiffness and spatial span are important for evaluating the mechanical properties of this type of system. factor. This structural system is widely used in large public buildings with long-span spatial functions such as stadiums and exhibition halls, as well as building floors involving long-span indoor space functions. [0003] The three-di...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/00E04C3/02E04G21/14
CPCE04B7/00E04C3/02E04G21/14
Inventor 王震赵阳丁智季泽华杨学林瞿浩川程俊婷
Owner ZHEJIANG UNIV CITY COLLEGE
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