CN110485566B - Large-span steel structure petal-shaped space truss roof structure system - Google Patents
Large-span steel structure petal-shaped space truss roof structure system Download PDFInfo
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- CN110485566B CN110485566B CN201910866769.4A CN201910866769A CN110485566B CN 110485566 B CN110485566 B CN 110485566B CN 201910866769 A CN201910866769 A CN 201910866769A CN 110485566 B CN110485566 B CN 110485566B
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- trusses
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 16
- 239000010959 steel Substances 0.000 title claims abstract description 16
- 238000010276 construction Methods 0.000 claims abstract description 9
- 238000009434 installation Methods 0.000 abstract description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000012545 processing Methods 0.000 abstract description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 1
- 230000001788 irregular Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008092 positive effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/19—Three-dimensional framework structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B1/3211—Structures with a vertical rotation axis or the like, e.g. semi-spherical structures
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/32—Arched structures; Vaulted structures; Folded structures
- E04B2001/3229—Arched structures; Vaulted structures; Folded structures constructed using a boom
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Rod-Shaped Construction Members (AREA)
Abstract
The invention discloses a large-span steel structure petal-shaped space truss roof structure system, which comprises a plurality of petal structures which are connected into a whole at the top of a roof through a pressure ring, wherein each petal structure is provided with a main truss and a plurality of secondary trusses, the main trusses and the secondary trusses are plane trusses, the main trusses are vertically arranged and are radially arranged along the roof, the plurality of secondary trusses are arranged at intervals along the span direction of the main trusses, each secondary truss structure is symmetrically fixedly connected with the main truss, the overhanging ends of two radially adjacent secondary trusses are connected through a radial connecting beam, and all the radial connecting beams positioned at one side of the petal structure are connected together and are connected with the main trusses at the top of the roof and the bottom of the roof to form a petal structure boundary arc beam; the two adjacent petal structures are connected through cross diagonal braces, and the two adjacent secondary trusses in the circumferential direction are connected through a circumferential connecting beam. The invention has simple structure and regular shape, and is convenient for processing, manufacturing, construction and installation.
Description
Technical Field
The invention belongs to the field of constructional engineering, and particularly relates to a large-span steel structure petal-shaped space truss roof structure system.
Background
With the continuous development of space structure technology in China, the large-span space structure is widely applied to public places such as gymnasiums, exhibition centers, airports and the like, and building shapes are also becoming more abundant. The large-span roof structure has the characteristics of light dead weight, good bearing performance and material saving when adopting a steel structure, and meanwhile, the steel structure roof has good adaptability to building modeling, flexible structural arrangement and easy satisfaction of building appearance effect and use function requirements. The petal-shaped roof structure has the characteristics of attractive appearance and coordination with natural environment, and is more and more popular in the large-span roof structure. However, the petal-shaped roof has a complex structure and irregular shape, and has high requirements on processing, manufacturing, construction and installation precision. Therefore, it is necessary to provide a roof structure system with reasonable stress, simple force transmission path, high bearing capacity, high rigidity and convenient construction.
Disclosure of Invention
The invention provides a large-span steel structure petal-shaped space truss roof structure system for solving the technical problems in the prior art, which has simple structure and regular shape and is convenient to process, manufacture, construct and install.
The invention adopts the technical proposal for solving the technical problems in the prior art that: the large-span steel structure petal-shaped space truss roof structure system comprises a plurality of petal structures which are connected into a whole at the top of a roof through a pressure ring, wherein each petal structure is provided with a main truss and a plurality of secondary trusses, the main trusses and the secondary trusses are plane trusses, the main trusses are vertically arranged and are radially arranged along the roof, the plurality of secondary trusses are arranged at intervals along the span direction of the main trusses, each secondary truss structure is symmetrically fixedly connected with the main truss, overhanging ends of two radially adjacent secondary trusses are connected through a radial connecting beam, and all the radial connecting beams positioned at one side of the petal structure are connected together and are connected with the main trusses at the top of the roof and the bottom of the roof to form a petal structure boundary arc beam; a lower chord horizontal support is arranged between two radially adjacent secondary trusses; two adjacent petal structures are connected through a cross diagonal brace, two adjacent secondary trusses in the circumferential direction are connected through a circumferential connecting beam, a plurality of annular structures with different radiuses and concentric with the pressure ring are formed in the circumferential direction of the roof, and each annular structure is formed by connecting a plurality of circumferential connecting beams with a plurality of secondary trusses.
The petal structures are arranged in pairs in the radial direction, and the main trusses of the two petal structures which are opposite in the radial direction are formed by an arched truss.
The secondary truss adopts a triangular structure.
The pressure ring adopts a plane truss structure, and the height of the pressure ring at the intersection of the pressure ring and the main truss is equal.
And the petal-structure boundary arc-shaped beam is connected with the upper chord member of the main truss at the top of the roof.
The invention has the advantages and positive effects that: the petal structure is adopted, the structure is simple, the installation and construction are convenient, and the construction period can be shortened. The structure has good space stress performance, small structural deformation and high stability in a normal use state; the main truss and the secondary truss are adopted, so that the device has the advantages of definite force transmission and high bearing capacity. And the invention has a wide range of applications.
Drawings
FIG. 1 is a schematic view of the spatial structure of the present invention;
FIG. 2 is a schematic plan view of the present invention;
FIG. 3 is a section view taken from 1-1 of FIG. 2;
FIG. 4 is a schematic diagram of a structural unit of the present invention;
FIG. 5 is a plan view of an arched truss employed in the diametrically opposed two petal configuration of the present invention;
FIG. 6 is a plan view of a secondary truss of the invention;
FIG. 7 is a schematic diagram of the pressure annulus of the present invention;
fig. 8 is an effect diagram of the present invention.
In the figure: 1. a main truss; 2. a secondary truss; 3. a radial connection beam; 4. cross diagonal bracing; 5. a circumferential connection beam; 6. 7, horizontally supporting the lower chord; 8. a pressure ring.
Detailed Description
For a further understanding of the invention, its features and advantages, reference is now made to the following examples, which are illustrated in the accompanying drawings in which:
referring to fig. 1-8, a large-span steel structure petal-shaped space truss roof structure system comprises a plurality of petal structures which are integrally connected at the top of the roof through pressure rings 8, wherein each petal structure is provided with a main truss 1 and a plurality of secondary trusses 2, the main trusses 1 and the secondary trusses 2 are plane trusses, the steel consumption can be remarkably reduced, the main trusses are vertically arranged and are radially arranged along the roof, the plurality of secondary trusses 2 are arranged at intervals along the span direction of the main trusses 1, each secondary truss 2 is symmetrically fixedly connected with the main trusses 1, the integral rigidity of the structure can be improved, the overhanging ends of two radially adjacent secondary trusses 2 are connected through a radial connecting beam 3, all the radial connecting beams 3 positioned at one side of the petal structures are connected together and are connected with the bottom of the main trusses 1 at the top of the roof to form a petal structure boundary arc, the structure deformation coordination can be realized, lower horizontal supports 6 and 7 are arranged between the radially adjacent secondary trusses 2, the lower horizontal supports 6 and 7 are used for connecting the adjacent annular trusses 2 with the annular ring-shaped truss rings, the annular structures are connected with the annular ring-shaped truss rings 4, the annular structures are connected with the annular ring-shaped structures, and the annular structures are formed by connecting the annular ring-shaped structures 4 and the annular structures are connected with the annular structures.
In this embodiment, the petal structures are arranged in pairs in the radial direction, and the main trusses 1 of the two petal structures which are opposite in the radial direction are formed by an arched truss, so that the construction is convenient, the bearing capacity is high, and the rigidity is high. The secondary truss 2 adopts a triangular structure, has a stable structure, is convenient to model and has light weight. The pressure ring 8 adopts a plane truss structure, and the height of the pressure ring 8 at the intersection position with the main truss 1 is equal, so that the structural integrity can be improved, and the deformation coordination and unification can be realized. The petal-structure boundary arc beam is connected with the upper chord member of the main truss 1 at the top of the roof, so that a smooth surface is formed conveniently.
The invention has the advantages that:
1) The load transmission path is clear, and the load is transmitted to the crossed diagonal braces between the main truss and the secondary truss and the petal structure through the roof structure and the annular connecting beam; the main truss and the secondary truss bear most of roof load, the main truss is of a main bearing structure, and the cross diagonal bracing and the annular connecting beam between the petal structures bear a small part of roof load and transmit the load to the annular secondary truss.
2) The structural appearance is like petals, the appearance is attractive, and the flower pot corresponds to the natural intersection; the main truss and the secondary truss are adopted, the structural arrangement is flexible, the aesthetic requirements of the building are met while the reasonable stress is met, the rigidity of the steel structure truss roof is high, the bearing capacity is high, the assembly degree is improved, the construction is simple and convenient, and the construction period can be shortened.
Although the preferred embodiments of the present invention have been described above with reference to the accompanying drawings, the present invention is not limited to the above-described embodiments, which are merely illustrative and not restrictive, and many forms may be made by those having ordinary skill in the art without departing from the spirit of the present invention and the scope of the appended claims, which are within the scope of the present invention.
Claims (5)
1. A large-span steel structure petal-shaped space truss roof structure system is characterized by comprising a plurality of petal structures which are connected into a whole at the top of a roof through a pressure ring;
each petal structure is provided with a main truss and a plurality of secondary trusses, the main trusses and the secondary trusses are plane trusses, the main trusses are vertically arranged and are radially arranged along a roof, the plurality of secondary trusses are arranged at intervals along the span direction of the main trusses, each secondary truss structure is symmetrically fixedly connected with the main trusses, the overhanging ends of two radially adjacent secondary trusses are connected through a radial connecting beam, and all the radial connecting beams positioned on one side of the petal structure are connected together and are connected with the main trusses at the top and the bottom of the roof to form a petal structure boundary arc beam; a lower chord horizontal support is arranged between two radially adjacent secondary trusses;
two adjacent petal structures are connected through a cross diagonal brace, two adjacent secondary trusses in the circumferential direction are connected through a circumferential connecting beam, a plurality of annular structures with different radiuses and concentric with the pressure ring are formed in the circumferential direction of the roof, and each annular structure is formed by connecting a plurality of circumferential connecting beams with a plurality of secondary trusses.
2. The large span steel structure petal space truss roof structure system of claim 1 wherein said petal structures are arranged in radial pairs and the main trusses of diametrically opposed two of said petal structures are formed of an arched truss.
3. The large span steel structure petal space truss roof structure system of claim 1 wherein said secondary truss is of triangular configuration.
4. The large span steel structure petal space truss roof structure system of claim 1 wherein the pressure ring is of planar truss construction, the pressure ring being of equal height at the intersection with the main truss.
5. The large span steel structure petal space truss roof structure system of claim 1 wherein said petal border arc beam is connected to the upper chord of said main truss at the roof top.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866769.4A CN110485566B (en) | 2019-09-12 | 2019-09-12 | Large-span steel structure petal-shaped space truss roof structure system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910866769.4A CN110485566B (en) | 2019-09-12 | 2019-09-12 | Large-span steel structure petal-shaped space truss roof structure system |
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| Publication Number | Publication Date |
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| CN110485566A CN110485566A (en) | 2019-11-22 |
| CN110485566B true CN110485566B (en) | 2024-03-29 |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113931314B (en) * | 2021-09-17 | 2023-03-24 | 中国航空规划设计研究总院有限公司 | Petal-shaped body decorative structure capable of releasing temperature stress and building |
| CN114150807B (en) * | 2021-12-08 | 2023-10-03 | 中国航空规划设计研究总院有限公司 | Roof structure with rigid ring and building |
| CN114458053B (en) * | 2022-02-18 | 2023-05-05 | 中铁建设集团有限公司 | Temporary supporting structure of steel structure building and construction method |
| CN114775801B (en) * | 2022-03-28 | 2023-03-28 | 中建二局安装工程有限公司 | Horseshoe-shaped truss structure steel roof truss and construction method thereof |
| CN115075393B (en) * | 2022-07-21 | 2024-05-31 | 中核能源科技有限公司 | Dome frame based on primary and secondary combined structure |
| CN115874709B (en) * | 2022-12-20 | 2024-05-17 | 浙大城市学院 | Double-group floor cantilever inclined truss-suspension cable supporting combined large-span corridor and assembly method |
| CN116556521B (en) * | 2023-07-11 | 2023-09-22 | 北京建工四建工程建设有限公司 | Construction method of limit high-span ratio steel structure collaborative stress deformation-resistant floor structure |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JPH05331950A (en) * | 1992-12-09 | 1993-12-14 | Ohbayashi Corp | Opening and closing type domed roof |
| JP2002294917A (en) * | 2001-03-30 | 2002-10-09 | National House Industrial Co Ltd | Roof-truss structure of gable roof |
| RU2596228C1 (en) * | 2015-06-19 | 2016-09-10 | Борис Никифорович Сушенцев | Bearing structure of multistorey building structure (versions) and method of erection of multistorey long span structure |
| CN106991248A (en) * | 2017-04-18 | 2017-07-28 | 清华大学建筑设计研究院有限公司 | A kind of wide span house cap coordinates the design method of stress with supporting structure |
| CN107060205A (en) * | 2017-01-24 | 2017-08-18 | 中国建筑第二工程局有限公司 | A kind of many curve petal truss structures and its construction method |
| CN206941809U (en) * | 2017-05-25 | 2018-01-30 | 同济大学建筑设计研究院(集团)有限公司 | A kind of iterative structure of super-span |
| CN211037291U (en) * | 2019-09-12 | 2020-07-17 | 天津大学建筑设计研究院 | Large-span steel structure petal-shaped space truss roof structure system |
-
2019
- 2019-09-12 CN CN201910866769.4A patent/CN110485566B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH05331950A (en) * | 1992-12-09 | 1993-12-14 | Ohbayashi Corp | Opening and closing type domed roof |
| JP2002294917A (en) * | 2001-03-30 | 2002-10-09 | National House Industrial Co Ltd | Roof-truss structure of gable roof |
| RU2596228C1 (en) * | 2015-06-19 | 2016-09-10 | Борис Никифорович Сушенцев | Bearing structure of multistorey building structure (versions) and method of erection of multistorey long span structure |
| CN107060205A (en) * | 2017-01-24 | 2017-08-18 | 中国建筑第二工程局有限公司 | A kind of many curve petal truss structures and its construction method |
| CN106991248A (en) * | 2017-04-18 | 2017-07-28 | 清华大学建筑设计研究院有限公司 | A kind of wide span house cap coordinates the design method of stress with supporting structure |
| CN206941809U (en) * | 2017-05-25 | 2018-01-30 | 同济大学建筑设计研究院(集团)有限公司 | A kind of iterative structure of super-span |
| CN211037291U (en) * | 2019-09-12 | 2020-07-17 | 天津大学建筑设计研究院 | Large-span steel structure petal-shaped space truss roof structure system |
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Address after: 300073 Tianda architectural creative building (Science Park), No.192 Anshan West Road, Nankai District, Tianjin Applicant after: Tianjin University architectural design and Planning Research Institute Co.,Ltd. Address before: No.192 Anshan West Road, Nankai District, Tianjin 300073 Applicant before: TIANJIN University RESEARCH INSTITUTE OF ARCHITECTRUAL DESIGN & URBAN PLANNING |
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