CN108018946B - It is a kind of mutually to hold formula reticulated shell-string structure - Google Patents
It is a kind of mutually to hold formula reticulated shell-string structure Download PDFInfo
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- CN108018946B CN108018946B CN201711250607.5A CN201711250607A CN108018946B CN 108018946 B CN108018946 B CN 108018946B CN 201711250607 A CN201711250607 A CN 201711250607A CN 108018946 B CN108018946 B CN 108018946B
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- grid assembly
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- reticulated shell
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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
- E04B1/32—Arched structures; Vaulted structures; Folded structures
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
- E04B7/10—Shell structures, e.g. of hyperbolic-parabolic shape; Grid-like formations acting as shell structures; Folded structures
- E04B7/102—Shell structures
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Abstract
One kind mutually holding formula reticulated shell-string structure, it is related to a kind of space structure system.The present invention is solves the problems, such as that existing reticulated shell-string structure grid configuration is single, strut stability difference and existing mutual to hold formula latticed shell structure stock utilization low.The present invention includes winding up mutually to hold grid assembly, multiple tree-shaped strut components and multiple last quarter ropes, multiple tree-shaped strut components are along the circumferential direction uniformly arranged in the lower end for mutually holding grid assembly of winding up, the lower end of two neighboring tree-shaped strut component is connected by last quarter rope, and the lower end of each tree-shaped strut component passes through last quarter rope respectively and connect with the most proximal end for mutually holding grid assembly edge of winding up.The present invention is for building space structure system.
Description
Technical field
The present invention relates to a kind of latticed shell structures, and in particular to a kind of mutually to hold formula reticulated shell-string structure.
Background technique
Reticulated shell-string structure system be it is a kind of at present common space structure system, by the rigid latticed shell structure that winds up, strut,
Last quarter rope composition, is a kind of more efficient structural system.Mutually holding formula grid shell structure system is mutually supported between a kind of component,
Space structure system on geometry and structure without obvious level.Its rod piece topological relation is changeable, has visual sense of beauty, by
Architect likes.Although all there is certain application in space structure in above two structural system, there are still with
Lower some problems:
1, the grid that winds up of existing reticulated shell-string structure is mostly traditional form single-layer latticed shell, and structure type is single, is lacked
The weary building rhythm and aesthetic feeling.
2, in existing reticulated shell-string structure, the strut for connecting wind up reticulated shell and last quarter rope is single vertical bar, rod piece
Internal force is larger and is easy to happen destabilization problems.
3, mutually holding formula latticed shell structure mainly passes through moment of flexure power transmission, and material use is inefficient, and structural redundancy is relatively low.
Summary of the invention
Existing reticulated shell-string structure grid configuration is single, strut stability difference and existing mutually holds formula in order to solve by the present invention
The low problem of latticed shell structure stock utilization, and then propose that one kind mutually holds formula reticulated shell-string structure.
The technical solution adopted by the present invention to solve the above technical problem is:
It includes winding up mutually to hold grid assembly, multiple tree-shaped strut components and multiple lower edges that one kind, which mutually holding formula reticulated shell-string structure,
Rope, multiple tree-shaped strut components are along the circumferential direction uniformly arranged in the lower end for mutually holding grid assembly of winding up, two neighboring tree-shaped support
The lower end of bar assembly is connected by last quarter rope, and the lower end of each tree-shaped strut component, which passes through last quarter rope respectively and winds up, mutually holds grid
The most proximal end of module edge connects.
The beneficial effects of the present invention over the prior art is:
1, the present invention relatively generally mutually holds formula latticed shell structure, and mechanical property greatly improves, this kind of structure is made to can satisfy design
It is required that.
2, of the invention more traditional beam-string structure and other space structures, it is more aesthetically pleasing mutually to hold formula beam-string structure mesh pattern,
And grid configuration is flexible and changeable, rich in aesthetic feelings of rhythm.
3, chord node is formed by overlapping two-by-two by rod piece in the present invention, and joint structure is simple, and mode of transfer force is direct, especially suitable
It is connect in bamboo structure with timber structure；Upper chord node is overlapped two-by-two by rod piece simultaneously is constituted, and stock utilization is high.
4, tree-shaped strut can effectively reduce single rod piece internal force in the present invention, and structure is avoided to fail because of strut unstability, support
The stability of bar can enhance 70%.
Detailed description of the invention
Fig. 1 is to wind up mutually to hold the axonometric drawing that grid assembly 1 winds up when mutually holding grid assembly for triangular mesh in the present invention；
Fig. 2 is the main view of Fig. 1；
Fig. 3 is the top view of Fig. 1；
Fig. 4 is the axonometric drawing for winding up in Fig. 1 and mutually holding grid assembly 1；
Fig. 5 is the axonometric drawing of dendriform support component 2 in Fig. 1；
Fig. 6 is the axonometric drawing of last quarter rope 3 in Fig. 1；
Fig. 7 is to wind up mutually to hold the axonometric drawing that grid assembly 1 winds up when mutually holding grid assembly for quadrilateral mesh in the present invention；
Fig. 8 is the main view of Fig. 7；
Fig. 9 is the top view of Fig. 7；
Figure 10 is the axonometric drawing for winding up in Fig. 7 and mutually holding grid assembly 1；
Figure 11 is the axonometric drawing of dendriform support component 2 in Fig. 7；
Figure 12 is the axonometric drawing of last quarter rope 3 in Fig. 7；
Figure 13 is initial the putting down of mutually holding that grid assembly 1 is that triangular mesh winds up when mutually holding grid assembly of winding up in the present invention
The structural schematic diagram of surface grids；
Figure 14 is to wind up that mutually to hold grid assembly 1 be that triangular mesh winds up mutually when holding grid assembly by original net in the present invention
Lattice are converted into the structural schematic diagram of the discrete grid of rod piece；
Figure 15 is to wind up mutually to hold grid assembly 1 and wind up to be formed when mutually holding grid assembly for triangular mesh in the present invention to meet
The structural schematic diagram of plane grid that mutually hold formula grid requirement, that rod piece connects two-by-two；
Figure 16 is to wind up that mutually to hold grid assembly 1 be that triangular mesh winds up mutually dendriform support when holding grid assembly in the present invention
The structural schematic diagram of component 2；
Figure 17 is to wind up that mutually to hold grid assembly 1 be that triangular mesh winds up mutually last quarter rope 3 when holding grid assembly in the present invention
Structural schematic diagram.
Specific embodiment
Specific embodiment 1: illustrating that present embodiment, one kind described in present embodiment mutually hold formula in conjunction with Fig. 1 to Figure 12
String latticed shell structure includes winding up mutually to hold grid assembly 1, multiple tree-shaped strut components 2 and multiple last quarter ropes 3, multiple tree-shaped strut groups
Part 2 is along the circumferential direction uniformly arranged in the lower end for mutually holding grid assembly 1 of winding up, and the lower end of two neighboring tree-shaped strut component 2 is logical
The connection of last quarter rope 3 is crossed, the lower end of each tree-shaped strut component 2, which passes through last quarter rope 3 respectively and winds up, mutually holds 1 edge of grid assembly
Most proximal end connection.
The structure is the roofing that winds up mutually to hold formula space lattice, increases the diversity and variation of roofing pattern, has simultaneously
There is aesthetic feelings of rhythm.And the strut of original single rod piece is substituted with tree-shaped strut, reduce single rod piece internal force, and improve its stabilization
Performance.Meanwhile the introducing of string element, improve the mechanical property for mutually holding reticulated shell, it is abundant that material efficiency is utilized.
Specific embodiment 2: illustrating present embodiment in conjunction with Fig. 1 to Figure 12, winds up described in present embodiment and mutually hold grid
The outer ledge of component 1 is equipped with support, and last quarter rope 3 is connected with the support for mutually holding 1 edge most proximal end of grid assembly that winds up by anchor bolt
It connects.Other compositions and connection type are same as the specific embodiment one.
Specific embodiment 3: illustrating present embodiment, tree-shaped strut component described in present embodiment in conjunction with Fig. 1 to Figure 12
2 include that main supporting rod 2-1 and multiple branch's strut 2-2, main supporting rod 2-1 are arranged along the vertical direction, the lower end of multiple branch's strut 2-2
It is connect respectively with the top of main support rod 2-1, the upper end of multiple branch's strut 2-2 is along the circumferential direction uniformly arranged, each branch
The upper end of strut 2-2 is connect with the lower end surface for mutually holding grid assembly 1 of winding up respectively.Other compositions and connection type and specific implementation
Mode one or two is identical.
Branch's strut 2-2 is retractable support lever in present embodiment.
Specific embodiment 4: illustrating present embodiment, the multiple branch's strut of present embodiment in conjunction with Fig. 1 to Figure 12
The quantity of 2-2 is three or more.Other compositions and connection type are the same as the specific implementation mode 3.
Specific embodiment 5: illustrate present embodiment in conjunction with Fig. 1 to Figure 12, main supporting rod 2-1 described in present embodiment
Lower end is equipped with noose, and last quarter rope 3 is connect by noose with the lower end of main supporting rod 2-1.Other compositions and connection type and specific reality
It is identical to apply mode four.
Specific embodiment 6: illustrating present embodiment in conjunction with Fig. 1 to Figure 12, winds up described in present embodiment and mutually hold grid
Component 1 is that triangular mesh winds up and mutually holds grid assembly or quadrilateral mesh winds up and mutually holds grid assembly.Other compositions and connection
Mode is identical as specific embodiment four or five.
Winding up in present embodiment and mutually holding grid assembly 1 is made up of multiple rod pieces, and multiple rod pieces overlap two-by-two, composition
Body shape is that triangle or winding up for quadrangle mutually hold grid assembly.
Specific embodiment 7: illustrating present embodiment in conjunction with Fig. 1 to Fig. 6, on triangular mesh described in present embodiment
It includes the mutual bearing unit 1-1 of multiple triangles and the mutual bearing unit 1-2 of multiple hexagons, the mutual bearing unit of triangle that string, which mutually holds grid assembly,
1-1 and the mutual bearing unit of hexagon are spliced into a circular arc camber, and it is mutual that each tree-shaped strut component 2 is separately positioned on a triangle
The lower end of bearing unit 1-1 or the mutual bearing unit 1-2 of a hexagon.Other compositions and connection type and six phase of specific embodiment
Together.
Winding up in present embodiment and mutually holding grid assembly 1 is made up of multiple rod pieces, and multiple rod pieces overlap two-by-two, composition
Multiple mutual bearing unit 1-1 of triangle, the mutual bearing unit 1-1 of two triangles are staggered setting, every mutual bearing unit 1-1 of six triangles
It is surrounded by an annular, centre forms the mutual bearing unit 1-2 of a hexagon.
The quantity of multiple tree-shaped strut components 2 is six in present embodiment, and six tree-shaped one-to-one correspondence of strut component 2 are set
Set the lower end in the mutual bearing unit 1-1 of six triangles or the mutual bearing unit 1-2 of six hexagons.
Specific embodiment 8: illustrating present embodiment in conjunction with Fig. 1 to Fig. 6, on triangular mesh described in present embodiment
The quantity that string mutually holds branch strut 2-2 in the tree-shaped strut component 2 of grid assembly lower end is three.Other compositions and connection type
It is identical as specific embodiment seven.
Specific embodiment 9: illustrating present embodiment in conjunction with Fig. 7 to Figure 12, on quadrilateral mesh described in present embodiment
It includes the mutual bearing unit 1-3 of multiple quadrangles that string, which mutually holds grid assembly, and multiple mutual bearing unit 1-3 of quadrangle are spliced into a circular arc song
Face, each tree-shaped strut component 2 are separately positioned on the lower end of the mutual bearing unit 1-3 of a quadrangle.Other compositions and connection type
It is identical as specific embodiment six.
Winding up in present embodiment and mutually holding grid assembly 1 is made up of multiple rod pieces, and multiple rod pieces overlap two-by-two, composition
Multiple mutual bearing unit 1-3 of quadrangle, the mutual bearing unit 1-3 of quadrangle are staggered setting, and every mutual bearing unit 1-3 of four quadrangles is surrounded by
One annular, centre form the mutual bearing unit 1-3 of a small quadrangle.
The quantity of multiple tree-shaped strut components 2 is four in present embodiment, and four tree-shaped one-to-one correspondence of strut component 2 are set
It sets in the lower end of the mutual bearing unit 1-3 of four quadrangles.
Specific embodiment 10: illustrating present embodiment in conjunction with Fig. 7 to Figure 12, on quadrilateral mesh described in present embodiment
The quantity that string mutually holds branch strut 2-2 in the tree-shaped strut component 2 of grid assembly lower end is four.Other compositions and connection type
It is identical as specific embodiment nine.
Working principle
Illustrate a kind of mutually to hold formula to wind up mutually to hold grid assembly 1 and be for triangular mesh winds up and mutually holds grid assembly
The production method of string latticed shell structure, its step are as follows:
Step 1: establishing the initial plane grid that plurality of rods part mutually meets at any for a round building plane, such as scheme
Shown in 13；
Step 2: every rod piece is rotated around its midpoint, the discrete grid of rod piece, such as Figure 14 are converted by initial mesh
It is shown；
Step 3: discrete rod piece both ends are extended, extend at another rod piece, formation, which meets, mutually holds formula grid
It is required that, plane grid that rod piece connects two-by-two, as shown in figure 15；
Step 4: rod piece overlapping fraction is arranged to describe the rod piece bonding relation of node to all overlapped joints；
Step 5: making the node overlapping fraction be equal to set bar using rod piece above dichotomy adjustment specific node
Part overlapping fraction；
Step 6: repeating step 5 to all nodes, until planform does not change, winding up mutually, holding formula grid looks for shape
It completes；
Step 7: tree-shaped strut is arranged at each mutual bearing unit, and elastic support is set in strut lower end；
Step 8: being optimized variable with the presence or absence of tree-shaped strut, with rod piece stress is small, rigidity is big, seismic response is excellent less
Change variable to optimize, it is as shown in figure 16 to obtain best strut position；
Step 9: tree-shaped strut is arranged in best strut position, and circumferential and radial cloth rope is arranged in strut lower end,
As shown in figure 17；
Step 10: carrying out section and pre-stress design according to determined model and load, completes final one kind and mutually hold formula
The design of string grid shell structure system.
Claims (10)
1. a kind of mutually hold formula reticulated shell-string structure, it is characterised in that: it includes winding up mutually that described one kind, which mutually holds formula reticulated shell-string structure,
Grid assembly (1), multiple tree-shaped strut components (2) and multiple last quarter ropes (3) are held, multiple tree-shaped strut components (2) are circumferentially square
To being uniformly arranged in the lower end for mutually holding grid assembly (1) of winding up, the lower end of two neighboring tree-shaped strut component (2) passes through last quarter rope
(3) it connects, the lower end of each tree-shaped strut component (2), which passes through last quarter rope (3) respectively and winds up, mutually holds grid assembly (1) edge
Most proximal end connection.
2. a kind of according to claim 1 mutually hold formula reticulated shell-string structure, it is characterised in that: described wind up mutually holds grid assembly
(1) outer ledge is equipped with support, and last quarter rope (3) passes through anchor bolt with the support for mutually holding grid assembly (1) edge most proximal end that winds up
Connection.
3. one kind according to claim 1 or claim 2 mutually holds formula reticulated shell-string structure, it is characterised in that: the tree-shaped strut component
It (2) include main supporting rod (2-1) and multiple branch's struts (2-2), main supporting rod (2-1) is arranged along the vertical direction, multiple branch's struts
The lower end of (2-2) is connect with the top of main support rod (2-1) respectively, and the upper end of multiple branch's struts (2-2) is along the circumferential direction equal
Cloth setting, the upper end of each branch's strut (2-2) are connect with the lower end surface for mutually holding grid assembly (1) of winding up respectively.
4. a kind of according to claim 3 mutually hold formula reticulated shell-string structure, it is characterised in that: the multiple branch's strut (2-
2) quantity is three or more.
5. a kind of according to claim 4 mutually hold formula reticulated shell-string structure, it is characterised in that: under the main supporting rod (2-1)
End is equipped with noose, and last quarter rope (3) is connect by noose with the lower end of main supporting rod (2-1).
6. one kind according to claim 4 or 5 mutually holds formula reticulated shell-string structure, it is characterised in that: described wind up mutually holds grid
Component (1) is that triangular mesh winds up and mutually holds grid assembly or quadrilateral mesh winds up and mutually holds grid assembly.
7. a kind of according to claim 6 mutually hold formula reticulated shell-string structure, it is characterised in that: the triangular mesh winds up mutually
Holding grid assembly includes the mutual bearing unit of multiple triangles (1-1) and the mutual bearing unit of multiple hexagons (1-2), the mutual bearing unit of triangle
(1-1) and the mutual bearing unit of hexagon are spliced into a circular arc camber, and each tree-shaped strut component (2) is separately positioned on a triangle
The lower end of the mutual bearing unit of shape (1-1) or a mutual bearing unit of hexagon (1-2).
8. a kind of according to claim 7 mutually hold formula reticulated shell-string structure, it is characterised in that: the triangular mesh winds up mutually
The quantity for holding branch's strut (2-2) in the tree-shaped strut component (2) of grid assembly lower end is three.
9. a kind of according to claim 6 mutually hold formula reticulated shell-string structure, it is characterised in that: the quadrilateral mesh winds up mutually
Holding grid assembly includes the mutual bearing unit of multiple quadrangles (1-3), and multiple mutual bearing units of quadrangle (1-3) are spliced into a circular arc song
Face, each tree-shaped strut component (2) are separately positioned on the lower end of a mutual bearing unit of quadrangle (1-3).
10. a kind of according to claim 9 mutually hold formula reticulated shell-string structure, it is characterised in that: the quadrilateral mesh winds up
The quantity for mutually holding branch's strut (2-2) in the tree-shaped strut component (2) of grid assembly lower end is four.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201711250607.5A CN108018946B (en) | 2017-12-01 | 2017-12-01 | It is a kind of mutually to hold formula reticulated shell-string structure |
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| CN201711250607.5A CN108018946B (en) | 2017-12-01 | 2017-12-01 | It is a kind of mutually to hold formula reticulated shell-string structure |
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| CN108018946B true CN108018946B (en) | 2019-08-02 |
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| US8863447B2 (en) * | 2011-04-18 | 2014-10-21 | Gregory G. Bischoff | Hybrid geodesic structure |
| CN106013449B (en) * | 2016-07-22 | 2018-07-24 | 中国铁路设计集团有限公司 | Roof of Beijing Southern Railway Station has the cylindrical reticulated shell of greenhouse effects |
| CN106968383A (en) * | 2017-06-05 | 2017-07-21 | 山东建筑大学 | Suspen-shell structure and Cable dome combination dome |
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Effective date of registration: 20210125 Address after: Building 9, accelerator, 14955 Zhongyuan Avenue, Songbei District, Harbin City, Heilongjiang Province Patentee after: INDUSTRIAL TECHNOLOGY Research Institute OF HEILONGJIANG PROVINCE Address before: 150001 No. 92 West straight street, Nangang District, Heilongjiang, Harbin Patentee before: HARBIN INSTITUTE OF TECHNOLOGY |
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Effective date of registration: 20230302 Address after: 150027 Room 412, Unit 1, No. 14955, Zhongyuan Avenue, Building 9, Innovation and Entrepreneurship Plaza, Science and Technology Innovation City, Harbin Hi tech Industrial Development Zone, Heilongjiang Province Patentee after: Heilongjiang Industrial Technology Research Institute Asset Management Co.,Ltd. Address before: Building 9, accelerator, 14955 Zhongyuan Avenue, Songbei District, Harbin City, Heilongjiang Province Patentee before: INDUSTRIAL TECHNOLOGY Research Institute OF HEILONGJIANG PROVINCE |