CN110145064A - One kind is rib-ring-shaped to open up scissors central shoring cable dome structure - Google Patents
One kind is rib-ring-shaped to open up scissors central shoring cable dome structure Download PDFInfo
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- CN110145064A CN110145064A CN201910414018.9A CN201910414018A CN110145064A CN 110145064 A CN110145064 A CN 110145064A CN 201910414018 A CN201910414018 A CN 201910414018A CN 110145064 A CN110145064 A CN 110145064A
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- Prior art keywords
- ring
- scissors
- strut
- strop
- open
- Prior art date
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- 210000003458 notochord Anatomy 0.000 claims abstract description 22
- 238000000034 method Methods 0.000 claims description 5
- 238000009434 installation Methods 0.000 claims 2
- 238000010276 construction Methods 0.000 abstract description 14
- 229910000831 Steel Inorganic materials 0.000 description 6
- 230000006835 compression Effects 0.000 description 6
- 238000007906 compression Methods 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000010586 diagram Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 238000004873 anchoring Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- 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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3441—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with articulated bar-shaped elements
-
- 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
- E04B1/343—Structures characterised by movable, separable, or collapsible parts, e.g. for transport
- E04B1/344—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts
- E04B1/3449—Structures characterised by movable, separable, or collapsible parts, e.g. for transport with hinged parts with living hinge
-
- 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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/14—Suspended roofs
Abstract
Rib-ring-shaped scissors central shoring cable dome structure is opened up the invention discloses a kind of, including strop, oblique cord, scissors hinge strut and notochord can be opened up, the new structure is to be substituted for the discontinuous strut in traditional Geiger dome can continuously open up scissors hinge strut, strut continuously arranges that the floor projection of strut is overlapped with strop on circumferential direction.The upper end of strut and oblique cord is articulated and connected with notochord, and interior oblique cord and outer oblique cord are respectively articulated with the top and bottom of adjacent scissors hinge strut, and strop is hingedly with the lower end of the continuous strut of ring, and closed arrangement.By prestressed stretch-draw, prestressing force is established in notochord, strop and oblique cord, belongs to full tension structure system.Compared with traditional cable dome structure, rib-ring-shaped scissors central shoring cable dome structure sagittal plane external stability of opening up can be good, and construction efficiency is high, and overall economic efficiency is good.Suitable for the roof system of long span building, it is suitable for sports building, Exhibition Architecture, is tool prestressed large-span space structure form with broad prospects for development.
Description
Technical field
The invention discloses a kind of completely new full tension structure, it is related to a kind of rib-ring-shaped opening up scissors central shoring Cable dome knot
Structure belongs to the space structure technical field of civil engineering.
Background technique
Prestressed structure experienced from birth, Growth Development and the course to reach its maturity, have become one kind in building work
Universal and widely applied conventional, efficient and advanced utility structure form in the design of journey structure.With economic development, society
The growth of meeting demand, engineers propose the new structure shape for being derived prestressing technique in conjunction with steel structure system
Formula, such as: beam string, rope net, prestressed girder, suspen-shell structure, Cable dome etc., to adapt to these demands.Prestressed steel structure
It is greatly enriched architectural image, improves the bearing capacity of structure, Reducing distortion while alleviates dead load, has outstanding
Mechanical characteristic and good technical-economic index be worth furtheing investigate and simultaneously throw by the concern of scientific and technological circle, various countries and engineering circles
Enter engineer application, contributes for economic construction of China.
In the structure type of numerous prestressed steel structures, prestressing technique is combined and through by three kinds of rope, bar, film units
The cable dome structure of Tension Forming is the newest invention of space structure in the past 30 years, and design philosophy is built from famous American
The tensioning global concept that great master Fuller is proposed.Cable dome structure is a kind of high full tension structure system of structure efficiency, is
The seif-citing rate that is composed of drag-line ocean and strut (compression bar) isolated island, self-balancing, the space without superfluous constraint and geometrical stability
Hinged cable-rod structure system.The earliest engineer application of Cable dome is South Korea Seoul Olympic Games gymnasium and fencing hall in 1988,
Its slim and graceful architectural image and excellent structural behaviour make this brand-new system yield unusually brilliant results.Hereafter, a series of theory
So that this structure is more and more widely used, domestic and foreign scholars have carried out some change to it for progress with engineering practice
Good and innovation.
There are certain shortcomings for traditional cable dome structure: (1) the construction forming mechanism of cable dome structure is complex,
Difficulty of construction is big, and construction requirement is high, causes the large-span cable vaulted work built up at home seldom.(2) traditional cable dome structure
Single vertical strut is only set and sagittal plane external stability is weaker, is not connected between compression bar, thus the stability of compression bar is poor.
(3) side ring beam pressure is big, causes side ring beam section product to increase, has aggravated support construction burden, wastes material.(4) Cable dome knot
Structure is compared to traditional prestressed steel structure, and there are apparent geometrical non-linearity, component will generate big displacement in construction.
Summary of the invention
To solve the above problems, rib-ring-shaped opening up scissors central shoring cable dome structure, sagittal plane the invention discloses a kind of
External stability can be good, and construction efficiency is high, and overall economic efficiency is good.Suitable for the roof system of long span building, built suitable for sport
It builds, Exhibition Architecture, is tool prestressed large-span space structure form with broad prospects for development.
In order to achieve the above objectives, technical scheme is as follows:
It is a kind of it is rib-ring-shaped open up scissors central shoring cable dome structure, including strop, oblique cord, scissors hinge strut and notochord can be opened up, it is described
Scissors hinge strut can be opened up and continuously arrange that and adjacent struts folds are hinged in the vertical direction on circumferential direction, upper folds hinge joint with
Lower folds hinge joint space crossings；Folds hinge joint on scissors hinge strut can be opened up to connect with oblique cord upper end, notochord is connected using floral disc
It connects, folds hinge joint under scissors hinge strut can be opened up and be connected with oblique cord lower end, strop is connected using floral disc, the water of every continuous strut of ring
Flat projection is overlapped with strop, strop circumferential direction closure；Inner ring on any one folds hinge joint respectively with adjacent outer ring one upper folding
Row hinge joint is connected with notochord respectively, and above-mentioned outer ring two upper folds hinge joints are adjacent, and respectively with the upper folds of corresponding inner ring
Hinge joint distance is recently；The lower folds hinge joint of any one of inner ring upper folds hinge joint nearest and on adjacent outer ring uses
Single oblique cord connection.
Preferably, the scissors hinge strut of opening up is arranged by identical unit annular array.
Preferably, the scissors hinge each unit of strut is made of the straight-bar of two equal lengths, and straight-bar center is connected with pin,
Adjacent straight-bar rod end is connected by tightening latch with node.Node is by upper cover plate, lower cover plate and floral disc group at upper and lower folds hinge joint
At, there are two branch to pitch for each floral disc, and each fork is equipped with a monosymmetric open slot, i.e., single notch branch fork, and every group
Scissor folding rod free end is inserted into the open slot of floral disc four single notch branch forks respectively and is hinged by rotation, strop, ridge
Rope and oblique cord pass through cover board and complete connection.
Preferably, the oblique cord, strop are prestressed cable.
Design principle:
The new structure is to be substituted for the discontinuous strut (compression bar) in traditional Cable dome can continuously open up scissors hinge strut, support
Bar continuously arranges that is, floor projection is overlapped with strop on circumferential direction.The upper end of strut and oblique cord is articulated and connected with notochord, interior oblique
Rope and outer oblique cord are respectively articulated with the top and bottom of adjacent scissors hinge strut, and strop closes hingedly with the lower end of the continuous strut of ring
Close arrangement.
The beneficial effects of the present invention are:
(1) after discontinuous strut (compression bar) has been substituted for and can continuously open up scissors hinge strut, it can effectively improve stabilization sagittal plane outside
Performance has better stress performance.
(2) can continuously open up scissors hinge strut can rapid deployment, improve construction efficiency, reduce construction technology difficulty, reduce
Construction cost.
(3) in rib-ring-shaped after being unfolded, rib-ring-shaped scissors central shoring Cable dome of opening up is easy to construct and Tension Forming, has good
Economic benefit, have both the slim and graceful efficient advantage of traditional cable dome structure.The structure type is highly suitable for long span building
Roof system is suitable for gymnasium, and the building such as exhibition center, is a kind of prestressed large-span space structure shape with broad prospect of application
Formula.
Detailed description of the invention
Fig. 1 opens up scissors central shoring cable dome structure three-dimensional axonometric drawing to be rib-ring-shaped；
Fig. 2 opens up scissors central shoring cable dome structure plan view to be rib-ring-shaped；
Fig. 3 is that rib-ring-shaped scissors central shoring cable dome structure scissors of opening up cut with scissors strut cell schematics；
Fig. 4 opens up scissors central shoring cable dome structure strut upper end joint structure schematic diagram to be rib-ring-shaped；
Fig. 5 opens up scissors central shoring cable dome structure strut lower end joint structure schematic diagram to be rib-ring-shaped；
Fig. 6 opens up scissors central shoring rounding state schematic diagram to be rib-ring-shaped；
Fig. 7 opens up scissors central shoring unfolded state schematic diagram to be rib-ring-shaped.
Reference signs list:
1 strop, 2 oblique cords, 3 can open up scissors hinge strut, 4 notochords, 5 floral discs, 6 upper cover plates, 7 lower cover plates.
Specific embodiment
With reference to the accompanying drawings and detailed description, the present invention is furture elucidated, it should be understood that following specific embodiments are only
For illustrating the present invention rather than limiting the scope of the invention.It should be noted that word " preceding " used in the following description,
" rear ", "left", "right", "up" and "down" refer to that the direction in attached drawing, word "inner" and "outside" refer respectively to direction or remote
Direction from geometric center of specific component.
One kind of the present invention is rib-ring-shaped to open up scissors central shoring cable dome structure, sees Fig. 1, can open up scissors hinge strut 3 and exist
Continuous arrangement on circumferential direction, i.e., floor projection is overlapped with strop 1.It is cut with scissors with notochord 4 upper end that scissors hinge strut 3 and oblique cord 2 can be opened up
It connects in succession, oblique cord 2 connects the upper folds hinge joint and lower folds hinge joint of adjacent ring strut 3, and strop 1 is connected with the continuous strut of ring
3 lower end, and circumferential closed arrangement.Outmost turns notochord 4, oblique cord 2 and side ring beam are anchored.
Scissors hinge strut 3 of the present invention of opening up uses high strength seamless steel pole.The central strut absolute altitude is most
Height, continuous strut elevation of top circumferential direction is identical, radial to successively decrease from inside to outside.The strop 1, oblique cord 2 are prestressed cable.Side
Ring beam is compression side ring beam, and using substructure capital collar tie beam, generally reinforced beam, rigidity is big, Compressive Performance is good,
It is easy for construction.The anchoring steel plate of notochord and oblique cord can be embedded on the beam, and tension operation space is spacious, easy to operate.Drag-line
When construction, first have to determine the length under its zero stress state, process rope head, anchorage, in practice of construction, drag-line it is initial pre-
Stress value and design value are it is possible to there is larger gap, so circumferential strut can be designed to the component of adjustable in length, tiltedly
Rope, strop are connected and easy to adjust using adjustable rope.
In the installation process for carrying out Cable dome, temporary towers can be built at center first, then by notochord in ground group
The rope net of certain specification is dressed up, certain altitude is then promoted to by lifting device, then notochord net is connected with outer-ring beam
Get up, and is connected with the support of scissors hinge ring；Entire notochord net, the strut of installation center are continued to lift up, while pressing the suitable of from-inner-to-outer
Sequence installs oblique cord and strop, finally by tensioning oblique cord, so that the support of scissors hinge ring is gradually spread out, until shaping structures and reaching are set
Count Suo Li.
To ensure that structure can be closed, the scissors of hinged adjacent layer should be made to cut with scissors the notochord and oblique cord length of strut top and bottom
The sum of be greater than scissors hinge ring support length.Carry out structure dismounting work when, can when first loosen prestressed cable at side ring beam, with
Successively closure collapses each layer scissors hinge ring support afterwards.
The technical means disclosed in the embodiments of the present invention is not limited only to technological means disclosed in above embodiment, further includes
Technical solution consisting of any combination of the above technical features.
Claims (6)
1. one kind is rib-ring-shaped to open up scissors central shoring cable dome structure, it is characterised in that: including strop (1), oblique cord (2), can open up and cut
Formula cuts with scissors strut (3) and notochord (4), and scissors hinge strut (3) of opening up continuously is arranged on circumferential direction, and adjacent in the vertical direction
Strut folds are hinged, upper folds hinge joint and lower folds hinge joint space crossings；Folds hinge joint in scissors hinge strut (3) can be opened up
It is connect with oblique cord (2) upper end, notochord is connected using floral disc (5), can open up folds hinge joint and oblique cord (2) under scissors hinge strut (3)
Lower end is connected, and strop (1) is connected using floral disc (5), and the floor projection of every continuous strut of ring is overlapped with strop (1), strop (1) ring
To closure；Inner ring on any one folds hinge joint use notochord (4) respectively even with adjacent outer ring one upper folds hinge joint respectively
It connects, above-mentioned outer ring two upper folds hinge joints are adjacent, and nearest with the upper folds hinge joint of corresponding inner ring distance respectively；Inner ring
Any one lower folds hinge joint upper folds hinge joint nearest and on adjacent outer ring is connected using single oblique cord (2).
2. one kind according to claim 1 is rib-ring-shaped to open up scissors central shoring cable dome structure, it is characterised in that: described to open up
Scissors are cut with scissors strut (3) and are arranged by identical unit annular array.
3. one kind according to claim 1 is rib-ring-shaped to open up scissors central shoring cable dome structure, it is characterised in that: described to open up
Scissors hinge strut (3) each unit is made of the straight-bar of two equal lengths, and straight-bar center is connected with pin, adjacent straight-bar rod end
It is connected by tightening latch with node.
4. one kind according to claim 1 is rib-ring-shaped to open up scissors central shoring cable dome structure, it is characterised in that: on described,
Node is made of upper cover plate (6), lower cover plate (7) and floral disc (5) at lower folds hinge joint, and there are two branch to pitch for each floral disc, often
A branch fork is equipped with a monosymmetric open slot, i.e., single notch branch fork, flower is inserted into every group of scissor folding rod free end respectively
It is hinged in the open slot of four, disk single notch branch forks and by rotation, strop, notochord and oblique cord pass through cover board and complete connection.
5. one kind according to claim 1 is rib-ring-shaped to open up scissors central shoring cable dome structure, it is characterised in that: the oblique cord
(2), strop (1) is prestressed cable.
6. a kind of rib-ring-shaped installation method for opening up scissors central shoring cable dome structure, it is characterised in that: build interim tower at center
Then notochord is assembled into rope net on ground by frame, be then promoted to specified altitude assignment by lifting device, then by notochord net and
Outer-ring beam connects, and is connected with the support of scissors hinge ring；Entire notochord net, the strut of installation center are continued to lift up, while being pressed certainly
Interior and outer sequence installation oblique cord and strop, finally by tensioning oblique cord, so that the support of scissors hinge ring is gradually spread out, until knot is constituted
Type simultaneously reaches design Suo Li.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414018.9A CN110145064A (en) | 2019-05-17 | 2019-05-17 | One kind is rib-ring-shaped to open up scissors central shoring cable dome structure |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910414018.9A CN110145064A (en) | 2019-05-17 | 2019-05-17 | One kind is rib-ring-shaped to open up scissors central shoring cable dome structure |
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| CN110145064A true CN110145064A (en) | 2019-08-20 |
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| CN201910414018.9A Pending CN110145064A (en) | 2019-05-17 | 2019-05-17 | One kind is rib-ring-shaped to open up scissors central shoring cable dome structure |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502098A (en) * | 2020-04-15 | 2020-08-07 | 东南大学建筑设计研究院有限公司 | Suspended dome structure suitable for square boundary and calculation method thereof |
| CN111891400A (en) * | 2020-08-12 | 2020-11-06 | 长沙理工大学 | Application method of cylindrical surface mechanism |
| CN113175088A (en) * | 2021-04-30 | 2021-07-27 | 浙江工业大学 | Sliding cable driven deployable cable dome structure |
| CN113779678A (en) * | 2021-09-14 | 2021-12-10 | 中南建筑设计院股份有限公司 | Rib-ring-shaped cable dome structure parametric modeling method based on Grasshopper |
| CN114352040A (en) * | 2022-03-18 | 2022-04-15 | 北京市建筑工程研究院有限责任公司 | Lifting device for ring cable net with branched inclined cables and construction method |
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| US5371983A (en) * | 1992-04-08 | 1994-12-13 | Mamoru Kawaguchi And Maeda Corporation | Dome shaped roof structure |
| CN101225686A (en) * | 2008-02-03 | 2008-07-23 | 浙江大学 | Sunflower-shaped cable dome structure |
| CN201172905Y (en) * | 2008-04-11 | 2008-12-31 | 晟元集团有限公司 | String annular canopy structure |
| CN105804247A (en) * | 2016-04-01 | 2016-07-27 | 北京工业大学 | Cable dome structure with ridge rods and annular support rods |
| CN106284807A (en) * | 2016-09-19 | 2017-01-04 | 东南大学 | Radially retractable roof structure |
| CN106759918A (en) * | 2016-11-15 | 2017-05-31 | 东南大学 | A kind of deployable structure with rigid panel |
-
2019
- 2019-05-17 CN CN201910414018.9A patent/CN110145064A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5371983A (en) * | 1992-04-08 | 1994-12-13 | Mamoru Kawaguchi And Maeda Corporation | Dome shaped roof structure |
| CN101225686A (en) * | 2008-02-03 | 2008-07-23 | 浙江大学 | Sunflower-shaped cable dome structure |
| CN201172905Y (en) * | 2008-04-11 | 2008-12-31 | 晟元集团有限公司 | String annular canopy structure |
| CN105804247A (en) * | 2016-04-01 | 2016-07-27 | 北京工业大学 | Cable dome structure with ridge rods and annular support rods |
| CN106284807A (en) * | 2016-09-19 | 2017-01-04 | 东南大学 | Radially retractable roof structure |
| CN106759918A (en) * | 2016-11-15 | 2017-05-31 | 东南大学 | A kind of deployable structure with rigid panel |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111502098A (en) * | 2020-04-15 | 2020-08-07 | 东南大学建筑设计研究院有限公司 | Suspended dome structure suitable for square boundary and calculation method thereof |
| CN111502098B (en) * | 2020-04-15 | 2021-09-03 | 东南大学建筑设计研究院有限公司 | Suspended dome structure suitable for square boundary and calculation method thereof |
| CN111891400A (en) * | 2020-08-12 | 2020-11-06 | 长沙理工大学 | Application method of cylindrical surface mechanism |
| CN113175088A (en) * | 2021-04-30 | 2021-07-27 | 浙江工业大学 | Sliding cable driven deployable cable dome structure |
| CN113175088B (en) * | 2021-04-30 | 2022-06-17 | 浙江工业大学 | Sliding cable driven deployable cable dome structure |
| CN113779678A (en) * | 2021-09-14 | 2021-12-10 | 中南建筑设计院股份有限公司 | Rib-ring-shaped cable dome structure parametric modeling method based on Grasshopper |
| CN113779678B (en) * | 2021-09-14 | 2023-12-12 | 中南建筑设计院股份有限公司 | Grasshopper-based rib ring type cable dome structure parameterized modeling method |
| CN114352040A (en) * | 2022-03-18 | 2022-04-15 | 北京市建筑工程研究院有限责任公司 | Lifting device for ring cable net with branched inclined cables and construction method |
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Application publication date: 20190820 |
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