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Special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof and assembling method

A steel frame, variable section technology, applied in the direction of roofs, building components, building structures, etc., can solve the problems of complex node connection structure and component composition, and achieve the effect of ensuring bearing performance, beautiful shape, and high lateral stiffness.

Pending Publication Date: 2022-07-01
ZHEJIANG UNIV CITY COLLEGE
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0006]In addition, the long-span steel frame roof structure system has problems such as complex node connection structure, complex component composition, load-bearing performance and stiffness, etc. Reasonable and effective special-shaped plane double cantilever The form design and composition scheme of the narrow-flange variable-section steel frame roof structure is also an important factor to ensure its load-bearing performance and normal use.

Method used

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  • Special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof and assembling method
  • Special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof and assembling method
  • Special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof and assembling method

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Effect test

Embodiment 1

[0061] like Figure 1-1 to Figure 1-6 , figure 2 , image 3 and Figure 4 As shown, the special-shaped plane double cantilevered narrow-flange variable-section steel frame roof structure includes a central main steel beam, a double-cantilevered main steel beam on both sides, a vertical supporting steel column, a horizontal lateral strut, a bottom The base column pier; the middle main steel beam ( Figure 1-2 ) is located between the vertical supporting steel columns in the middle, and is composed of steel frame beams connecting the vertical supporting steel columns and steel secondary beams connecting the steel frame beams, all of which are steel beam members of equal section with narrow flanges rigidly connected at both ends; The double cantilever main steel beams on both sides ( Figure 1-3 ) located outside the vertical supporting steel columns on both sides, including the cantilevered steel frame beams connecting the vertical supporting steel columns, and the cantilev...

Embodiment 2

[0080] like Figure 9 As shown, the specific component composition process of the special-shaped plane double cantilevered narrow flange variable section steel frame roof structure is as follows:

[0081] S1. Both ends of the span-direction steel frame beam 1, the orthogonal steel frame beam 2 and the corner inclined steel frame beam 3 are rigidly connected to the top of the vertical supporting steel column 14, and the span is to the two sides of the steel secondary beam 4. The ends are rigidly connected to the orthogonal steel frame beam 2 to form the main steel beam in the middle;

[0082] S2. The span-direction cantilevered steel frame 1 5, the span-direction cantilevered steel frame 2 6, the orthogonal cantilevered steel frame beam 7 and the cantilevered root of the corner oblique cantilevered steel frame beam 8 are rigidly connected to the vertical support The top of the steel column 14, the cantilevered root of the span-direction cantilevered steel secondary beam 1 9 an...

Embodiment 3

[0089] The invention also provides the application of a special-shaped plane double cantilevered narrow flange variable-section steel frame roof structure in the design and bearing of a plane special-shaped composite building with a large bottom space and a double-sided large cantilevered steel frame roof structure system design , the double cantilever means that the maximum steel beam cantilever span on both sides of the structure is not less than 10m. A typical application case of the present invention is the steel frame roof structure of the roof of the main building of the Taizhou Hospital New Campus Project.

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Abstract

The invention relates to a special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof which comprises a core supporting framework, vertical supporting steel stand columns, horizontal lateral supporting rods and bottom base column piers. The core supporting framework is supported on the multiple vertical supporting steel stand columns through box-type conversion nodes on the tops of the steel stand columns. The core supporting framework is composed of a middle main steel beam and double-cantilever main steel beams on the two sides. The horizontal lateral supporting rods are located between the double-cantilever main steel beams on the two sides and serve as lateral supporting steel members of the double-cantilever main steel beams on the two sides. The special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof has the beneficial effects that the structural system is reasonable in structure, the bottom of the special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof is provided with a large space, the two sides of the special-shaped plane double-cantilever narrow-flange variable-cross-section steel framework roof are provided with large cantilevers (the maximum steel beam cantilever span on the two sides of the narrow-flange variable-cross-section steel framework roof is not smaller than 10 m), and the large cantilevers are arranged on the two sides. And the modeling function advantages of the planar special-shaped combined building with high lateral stiffness and narrow-flange variable-cross-section dense grids can be brought into full play.

Description

technical field [0001] The invention belongs to the technical field of structural engineering, in particular to a special-shaped plane double cantilevered narrow flange variable-section steel frame roof and an assembling method. Background technique [0002] The long-span steel frame roof structure is a large-space roof structure system composed of steel beams and steel column members. It has the advantages of light weight, large span, and high lateral and torsional stiffness. This structural system is widely used in roof steel frame buildings with commercial, office and other functions. [0003] When there is a large space requirement at the bottom of the long-span steel frame roof structure, it is a more reasonable and effective solution to set up two-way large cantilevered steel beam members to realize the function of large space at the bottom under the arrangement of fewer columns. In order to reduce the self-weight of the roof structure and make full use of the mechani...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E04B7/00E04C3/32E04C3/04E04B1/58E04G21/14
CPCE04B7/00E04C3/32E04C3/04E04B1/58E04G21/14
Inventor 王震赵阳陈志青许翔丁智葛攀杨冠
Owner ZHEJIANG UNIV CITY COLLEGE
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