CN214463072U - Fourteen-surface body stacked and combined cambered surface space rigid frame structure - Google Patents
Fourteen-surface body stacked and combined cambered surface space rigid frame structure Download PDFInfo
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- CN214463072U CN214463072U CN202120341866.4U CN202120341866U CN214463072U CN 214463072 U CN214463072 U CN 214463072U CN 202120341866 U CN202120341866 U CN 202120341866U CN 214463072 U CN214463072 U CN 214463072U
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 9
- 239000010959 steel Substances 0.000 claims abstract description 9
- 238000003491 array Methods 0.000 claims 1
- 238000005452 bending Methods 0.000 abstract description 9
- 238000010276 construction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000000465 moulding Methods 0.000 abstract 1
- 210000001503 joint Anatomy 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005457 optimization Methods 0.000 description 1
- 230000010076 replication Effects 0.000 description 1
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Abstract
The utility model relates to a fourteen-surface body piles up cambered surface space rigid frame structure of combination forms by a series of fourteen-surface body combinations of three-dimensional space. The construction process of the device comprises a fourteen-surface-body basic unit, an orthogonal array assembly, an array combined rotating body, a plane cutting rigid frame and an arc-surface space rigid frame in sequence. The basic unit of the tetrakaidecahedron consists of 2 tetrakaidecahedrons; the tetrakaidecahedron basic unit is array-copied along three orthogonal directions to generate an orthogonal array assembly; the orthogonal array combination body rotates a certain angle around a coordinate axis to generate an array combination rotating body; generating a plane cutting rigid frame according to the building boundary cutting array combined rotating body; and bending and arching the plane cutting rigid frame to generate the cambered surface space rigid frame. The structure side line of the cutting surface and the edge of the original fourteen-surface body form a space beam system structure together. The utility model relates to a cambered surface space rigid frame structure antidetonation is good, the ductility is high and the molding is graceful, can be applied to space span house roof steel construction such as exhibition hall, gymnasium.
Description
Technical Field
The utility model relates to a fourteen face bodies pile up cambered surface space rigid frame structure of combination belongs to structural engineering technical field.
Background
The idea of stacking assembly comes from the "bubble theory" in physics, and the tetrakaidecahedron stacking assembly belongs to a typical stacking body. The single tetrakaidecahedron consists of 8 regular hexagons and 6 regular quadrilaterals, and only has 1 edge length and 1 cross node type; the basic unit of the tetrakaidecahedron is formed by butting 2 regular hexagonal surfaces of the tetrakaidecahedron and the opposite sides of the tetrakaidecahedron.
The tetrakaidecahedron basic units have the same shape in the directions of three coordinate axes of a top view, a back view and a left view, and can be subjected to array replication along three orthogonal directions to generate an orthogonal array assembly, so that the whole three-dimensional space is filled, and the polyhedron is a space filling polyhedron. The space polyhedron is cut through the building boundary to obtain a smooth and usable rigid frame structure.
Similar to planar grid structures, the span of a planar rigid frame structure is easily limited by large vertical deflection, resulting in a large thickness of the planar rigid frame. In order to improve the bearing performance, increase the structural rigidity and increase the space span, the arc axial pressure stress mode of bending and arching the planar rigid frame structure so as to fully utilize the arch structure is considered, and the method is an effective solution.
The side lines of the fourteen surface bodies cut on the cutting surface of the building respectively form an upper chord and a lower chord of the roof structure, and the edges of the original fourteen surface bodies reserved inside the cutting surface form web members inside the structure to form a plane rigid frame structure. And then the steel plate is bent and arched to finally form a cambered surface space rigid frame structure.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a fourteen face bodies pile up cambered surface space rigid frame structure of combination.
The construction process of the cambered surface space rigid frame structure formed by stacking and combining the fourteen-surface bodies sequentially comprises a fourteen-surface body basic unit, an orthogonal array assembly, an array combined rotating body, a plane cutting rigid frame and a cambered surface space rigid frame. The basic unit of the tetrakaidecahedron is formed by butt joint of 2 tetrakaidecahedrons along the direction of a regular hexagon connecting line of opposite sides; the tetrakaidecahedron basic unit is array-copied along three orthogonal directions to generate an orthogonal array assembly; the orthogonal array combination body rotates a certain angle around a coordinate axis to generate an array combination rotating body; generating a plane cutting rigid frame according to the building boundary cutting array combined rotating body; and bending and arching the plane cutting rigid frame to generate the cambered surface space rigid frame. The structure side line of the cutting surface and the edge of the original fourteen-surface body form a space beam system structure together.
The cambered surface space rigid frame comprises two types of structural members, namely a chord member and a web member, and is a bent beam unit. The chord members are positioned on the surface of the cambered surface space rigid frame and comprise structural sidelines of a cutting surface and surface edges of an original fourteen-surface body; the web member is positioned in the cambered surface space rigid frame and only consists of the inner edge of the original fourteen-surface body; the chord member is box cross-section steel member, and the web member is pipe cross-section steel member.
The cambered surface space rigid frame comprises two types of node forms, namely an internal node and a surface node, and the two types of node forms are rigid connection nodes. The internal node is positioned inside the cambered surface space rigid frame and is a welded hollow ball node; the surface node is positioned on the surface of the cambered surface space rigid frame and is a welded hollow ball node or a drum node.
After the cutting plane rigid frame is subjected to bending and arching, the topological forms of the surface patterns are only 2, and the lengths of the rod pieces and the included angles of the node connecting rod pieces are slightly changed according to the rise-span ratio of the bending and arching.
The utility model provides a fourteen face bodies pile up cambered surface space rigid frame structure of combination is a novel spatial structure form, has repeated array effect, and the node is few with the connecting rod piece, antidetonation ductility is big and advantage such as handsome in appearance can be applied to space span house cover steel construction such as exhibition hall, gymnasium, the prospect is wide.
Drawings
Fig. 1 is a schematic structural view of an embodiment of a cambered-surface spatial rigid frame structure of a fourteen-surface stacking combination of the present invention;
FIG. 2 is a top plan view of the cambered surface space rigid frame structure of the present invention, i.e. the A-A section in FIG. 1;
FIG. 3 is a sectional front view of the cambered surface space rigid frame structure of the present invention, i.e. B-B in FIG. 1 is a sectional schematic view;
fig. 4 is a schematic diagram of the middle construction process of the cambered-surface spatial rigid frame structure of the present invention (fig. 4a, 4b, 4c, and 4d are a tetradecahedron basic unit 1, an orthogonal array assembly 2, an array assembly rotator 3, and a planar cutting rigid frame 4, respectively);
description of reference numerals: 1-tetradecahedron base unit; 2-orthogonal array assembly; 3-array combined rotating body; 4-plane cutting rigid frame; 5-cambered surface space rigid frame; 6-cutting the structural edge line of the surface; 7-surface edge of original tetradecahedron; 8-internal edge of original tetradecahedron; 9-internal nodes; 10-surface nodes; 11-a chord; 12-web member.
Detailed Description
The invention is further illustrated with reference to the following figures and examples.
As shown in fig. 1 and fig. 4a to fig. 4d, the construction process of the cambered surface space rigid frame structure (i.e. cambered surface space rigid frame 5) of the tetrakaidecahedron stacking combination sequentially comprises a tetrakaidecahedron basic unit 1, an orthogonal array assembly 2, an array assembly rotator 3, a plane cutting rigid frame 4 and a cambered surface space rigid frame 5. The basic unit 1 of the tetrakaidecahedron is formed by butt joint of 2 tetrakaidecahedrons along the direction of a connecting line of regular hexagons of opposite sides; the tetrakaidecahedron basic unit 1 is array-copied along three orthogonal directions to generate an orthogonal array combination 2; the orthogonal array assembly 2 rotates a certain angle around the coordinate axis to generate an array assembly rotator 3; generating a plane cutting rigid frame 4 according to the building boundary cutting array combined rotating body 3; and bending and arching the plane cutting rigid frame 4 to generate a cambered surface space rigid frame 5. The structure side line 6 of the cutting surface and the edge (7-8) of the original fourteen-surface body form a space beam system structure together.
As shown in fig. 1, 2 and 3, the cambered surface space rigid frame 5 includes two types of members, namely a chord member 11 and a web member 12, which are both flexural beam units. The chord 11 is positioned on the surface of the cambered surface space rigid frame 5 and corresponds to the structural side line 6 of the cutting surface; the web member 12 is positioned inside the cambered surface space rigid frame 5 and corresponds to the inner edge 8 of the original fourteen-surface body; the surface edge 7 of the original tetrakaidecahedron can be a chord member 11 or a web member 12 according to the condition of a cutting surface; the chord members 11 are box-section steel members, and the web members 12 are circular tube-section steel members.
As shown in fig. 1, 2 and 3, the cambered-surface spatial rigid frame 5 includes two types of node forms, namely an internal node 9 and a surface node 10, which are both rigid connection nodes. The internal node 9 is positioned inside the cambered surface space rigid frame 5 and is a welded hollow ball node; the surface node 10 is positioned on the surface of the cambered surface space rigid frame 5 and is a welded hollow ball node or a drum node.
As shown in fig. 1, 2 and 3, after the cutting plane rigid frame 4 is subjected to bending and arching, the surface pattern topological forms are only 2, and the rod length and the node connecting rod included angle slightly change according to the sagittal ratio of the bending and arching.
For the cambered surface space rigid frame 5, different architectural appearance effects and structural optimization designs can be realized by setting different sizes, rotation angles and cutting positions of the fourteen-surface bodies.
Examples
The goal was to form a cambered surface space rigid frame structure with a span of 40m x 40m, a thickness of 1.5m, and a rise-to-span ratio of 1/5. Adopt the unit of 6m size (the distance between two surfaces of the tetrakaidecahedron is the unit size), form tetrakaidecahedron basic unit 1 by two tetrakaidecahedron hexagonal shape surface coincidence connection, form orthogonal array assembly 2 along three coordinate axis orthogonal direction array again, again around (0, 0, 0) → (1, 1, 1) vector axle rotation 60 degrees forms array combination rotator 3, cut out the building space according to the building boundary of 40 mx 6m again and obtain plane cutting rigid frame 4, bend according to the arrow of 1/5 at last and rise arch cost utility model cambered surface space rigid frame 5.
The formation of the cambered surface space rigid frame structure of the tetrakaidecahedron stacking combination needs to pass through the processes of combination, array, rotation, cutting, arching and the like of the polyhedral units, so that the size, the rotation axis, the rotation angle, the cutting surface, the bending vector-span ratio and the like of the tetrakaidecahedron are important parameters influencing the geometric constitution of the whole structure, and can be properly changed according to actual requirements.
Claims (3)
1. The utility model provides a fourteen face bodys pile up cambered surface space rigid frame structure of combination which characterized in that: the cutting device comprises a fourteen-surface-body basic unit (1), an orthogonal array assembly (2), an array combined rotating body (3), a plane cutting rigid frame (4), an arc-surface space rigid frame (5), a structure side line (6) of a cutting surface, a surface edge (7) of an original fourteen-surface body, an inner edge (8) of the original fourteen-surface body, an inner node (9), a surface node (10), a chord (11) and a web member (12), wherein the fourteen-surface-body basic unit (1) is copied to generate the orthogonal array assembly (2) along three orthogonal direction arrays, the orthogonal array assembly (2) rotates for a certain angle around a coordinate axis to generate the array combined rotating body (3), the plane cutting rigid frame (4) is generated according to a building boundary cutting array combined rotating body (3), the plane cutting rigid frame (4) is bent and arched, and the arc-surface space rigid frame (5) is generated.
2. The fourteen-face body stacked and combined cambered surface space rigid frame structure according to claim 1, wherein: the cambered surface space rigid frame (5) comprises two component forms, namely a chord member (11) and a web member (12); the chord members (11) are positioned on the upper surface and the lower surface of the cambered space rigid frame (5) and correspond to the structural side lines (6) of the cutting surface; the web member (12) is positioned inside the cambered surface space rigid frame (5) and corresponds to the inner edge (8) of the original fourteen-surface body; the surface edge (7) of the original tetrakaidecahedron can be a chord member (11) or a web member (12) according to the condition of a cutting surface; the chord member (11) is a steel member with a box-shaped section, and the web member (12) is a steel member with a circular tube section.
3. The fourteen-face body stacked and combined cambered surface space rigid frame structure according to claim 1, wherein: the cambered surface space rigid frame (5) comprises two node forms of an internal node (9) and a surface node (10); the internal node (9) is positioned inside the cambered surface space rigid frame (5) and is a welded hollow ball node; the surface node (10) is positioned on the surface of the cambered surface space rigid frame (5) and is a welded hollow ball node or a drum node.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120341866.4U CN214463072U (en) | 2021-02-04 | 2021-02-04 | Fourteen-surface body stacked and combined cambered surface space rigid frame structure |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202120341866.4U CN214463072U (en) | 2021-02-04 | 2021-02-04 | Fourteen-surface body stacked and combined cambered surface space rigid frame structure |
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| Publication Number | Publication Date |
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| CN214463072U true CN214463072U (en) | 2021-10-22 |
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| CN202120341866.4U Expired - Fee Related CN214463072U (en) | 2021-02-04 | 2021-02-04 | Fourteen-surface body stacked and combined cambered surface space rigid frame structure |
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2021
- 2021-02-04 CN CN202120341866.4U patent/CN214463072U/en not_active Expired - Fee Related
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| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20211021 Address after: No. 418, Gengwen Road, ningwei street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee after: ZHEJIANG TONGJI VOCATIONAL College OF SCIENCE AND TECHNOLOGY Patentee after: Zhejiang University City College Address before: No. 418, Gengwen Road, ningwei street, Xiaoshan District, Hangzhou City, Zhejiang Province Patentee before: ZHEJIANG TONGJI VOCATIONAL College OF SCIENCE AND TECHNOLOGY |
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| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20211022 |
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| CF01 | Termination of patent right due to non-payment of annual fee |