CN109826355A - It is a kind of to rotate imitative S-shaped curved surface Cable dome - Google Patents
It is a kind of to rotate imitative S-shaped curved surface Cable dome Download PDFInfo
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- CN109826355A CN109826355A CN201910042438.9A CN201910042438A CN109826355A CN 109826355 A CN109826355 A CN 109826355A CN 201910042438 A CN201910042438 A CN 201910042438A CN 109826355 A CN109826355 A CN 109826355A
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- curved surface
- oblique cord
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- cable dome
- shaped curved
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- 230000006835 compression Effects 0.000 claims abstract description 31
- 238000007906 compression Methods 0.000 claims abstract description 31
- 238000010586 diagram Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 2
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- QCDFBFJGMNKBDO-UHFFFAOYSA-N Clioquinol Chemical compound C1=CN=C2C(O)=C(I)C=C(Cl)C2=C1 QCDFBFJGMNKBDO-UHFFFAOYSA-N 0.000 description 1
- 235000007926 Craterellus fallax Nutrition 0.000 description 1
- 240000007175 Datura inoxia Species 0.000 description 1
- 240000005373 Panax quinquefolius Species 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- 235000005770 birds nest Nutrition 0.000 description 1
- 235000019219 chocolate Nutrition 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 230000000877 morphologic effect Effects 0.000 description 1
- 239000011664 nicotinic acid Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 235000005765 wild carrot Nutrition 0.000 description 1
Abstract
Imitative S-shaped curved surface Cable dome is rotated the invention discloses a kind of.It is by circumferential drag-line, radially oblique cord, radial lower oblique cord, vertical compression bar and connecting node form；Radially oblique cord constitutes the sigmoid curve for possessing both positive and negative curvature, and the sigmoid curve of positive negative cruvature linking rotates the appearance curved surface for being formed and finishing structure about the z axis；In addition to the vertical compression bar of span centre, the lower end of remaining compression bar is connected with radial lower oblique cord and circumferential drag-line, with radial lower oblique cord and radially, oblique cord is connected for upper end, and radially lower oblique cord is fixed on the support of structural perimeter outmost turns with radially oblique cord, is formed and rotates imitative S-shaped curved surface cable dome structure；The rotation is imitated the span of S-shaped curved surface Cable dome and loses high foundation structural modeling, determined using requirements such as function and bearing capacitys.The present invention makes existing Cable dome extend to the curved form that part positive gauss and part negative gauss are combined from spherical shell class curved surface, saddle camber, cylinder, applies Cable dome in the structure of more surface modelings.
Description
Technical field
The present invention relates to a kind of tension integral structure forms, specifically a kind of to rotate imitative S-shaped curved surface Cable dome, are pair
Spherical shell class positive gauss curvature surface, saddle camber curved surface with negative gauss curvature, zero Gaussian curvature curved surface Cable dome of cylinder are in curved-surface shape
On a kind of extension, can be applied to building structure, aerospace structure, ocean structure etc..
Background technique
By the development of recent decades, building structure, aviation of various types of tension integral structures in countries in the world are navigated
Its structure, aquatic bionic fish structure are all widely applied in human-body biological structure.Wherein, Cable dome is as tensioning entirety
A kind of special shape of structure is to be considered a kind of best structural system of structure efficiency so far, existing developed Suo Qiong
Top type mainly has spherical shell class positive gauss curvature surface, saddle camber curved surface with negative gauss curvature, zero Gaussian curvature curved surface Suo Qiong of cylinder
Top, horizontal layout form have rib-ring-shaped, sunflower-shaped and bird-nest type etc..The in-service Cable dome in the whole world is positive gauss curvature shape
Formula.
With the promotion of building or structures function and the diversification of appearance and modeling, the unitary system of existing Cable dome form
About its extensive use in building or structures.So the cable dome structure of more multi-form type is urgently developed.This hair
It is bright to propose a kind of imitative S-shaped curved surface Cable dome of rotation, enrich the form type of existing Cable dome.Imitative S-shaped curved surface is rotated to build
It is widely used in building structure, such as at the top of Russian Sheng Basuo cathedral.After Cable dome type is compared with horn of plenty, Suo Qiong
The advantage of the high-strength light on top can be widely used completely.
Summary of the invention
The object of the present invention is to provide a kind of completely new rotations to imitate S-shaped curved surface Cable dome, to expand, enrich existing Cable dome
Type, expand application range of the Cable dome in engineering structure.
In order to achieve the above object, imitative S-shaped curved surface cable dome structure is rotated the present invention provides a kind of.Its exquisite appearance,
A kind of shape of similar chocolate breaches traditional cable dome structure and only has the negative height of spherical shell class positive gauss curvature surface, saddle camber
The status of this curvature surface, zero Gaussian curvature curved surface of cylinder.A kind of rotate provided by the invention imitates S-shaped curved surface Cable dome by a plurality of
Oblique cord (4) and node (5) form under circumferential drag-line (1), more vertical compression bars (2), a plurality of radially oblique cord (3), a plurality of radial directions.
S-shaped curved surface cable dome structure is imitated in above-mentioned rotation, wherein a plurality of radially oblique cord (3), which joins end to end, forms S-shaped
Curve, sigmoid curve are connected by positive and negative curvature curve, and radially oblique cord (3) joins end to end the sigmoid curve constructed around vertical pivot
It is rotated by 360 ° the curved surface appearance to be formed and rotate imitative S-shaped curved surface Cable dome, the identical sigmoid curve pole of a plurality of shape is symmetrical with
Span centre node, will rotate imitative S-shaped curved surface circumferential direction equal part, and the plane projection of structure is rib-ring-shaped.
S-shaped curved surface cable dome structure outmost turns are imitated in the rotation, and radially oblique cord (3) is fixed on radial lower oblique cord (4)
On the support node on periphery.
The length of above-mentioned vertical compression bar (2) determines that each vertical compression bar (2) is divided in isolation according to prestressed design result
Be dispersed in total, in addition to the vertical compression bar of span centre (2), the upper end of remaining vertical compression bar (2) with two radially oblique cord (3) and
Oblique cord (4) is connected directly under one radial direction, and lower end is connected with oblique cord (4) under a radial direction and two circumferential drag-lines (1).
The internal force of above-mentioned radially oblique cord (3), radial lower oblique cord (4) and circumferential drag-line (1) is pulling force forever；Vertical compression bar
(2) internal force is pressure forever, and the interior force value size of each unit must be determined after morphological analysis, and force value in each unit
Between ratio and the shape of structure, the height of vertical compression bar (2), structure topology-aware.S-shaped curved surface rope is imitated in the rotation
Dome structure needs prestressing force that could form to undertake external load, and it is a mechanism, nothing that when no prestressing force, which rotates imitative S-shaped curved surface Cable dome,
Method undertakes external loads.
Above-mentioned radially oblique cord (3) at sigmoid curve concrete shape must by form finding analysis determine, with vertical compression bar
(2) topology-aware for enclosing number, structure of height, circumferential drag-line (1).
On the basis of radially oblique cord (3) institute is constant at the imitative S-shaped curved surface of rotation for holding, the circle number of circumferential drag-line (1) can
It is adjusted according to actual conditions.
S-shaped curved surface cable dome structure is imitated in above-mentioned rotation, wherein all mountable length adjustment devices of component, with convenient
The length of adjustment member, while prestressed application can also be carried out to component by length adjustment device.
S-shaped curved surface cable dome structure is imitated in above-mentioned rotation, wherein vertical compression bar (2) is manufactured by hollow circular-tube or square tube.
S-shaped curved surface cable dome structure is imitated in above-mentioned rotation, can not only use the long span buildings such as traditional stadiums
On, it may be also used in some aerospace structures, marine structure and lose across in bigger pinnacle of a pagoda building.
The appearance for rotating imitative S-shaped curved surface cable dome structure, enriches the type of existing cable dome structure, has widened Cable dome
The application range of structure.Specific advantage includes: from heavy and light, bearing capacity height, exquisite appearance, adapts to have to rotate and imitate S-shaped curved surface
Architectural image.It is of the present invention to rotate imitative S-shaped curved surface cable dome structure and can be used in a variety of building structure (including stadium
The large-span structures such as shop, terminal, railway station building and some mistakes top or European Architecture across bigger religious architecture
Top), it can also be used in the offshore engineering structure for requiring control stringenter dead load (including seadrome terminal,
Marine city, apparatus for water play field and boatel etc.).
Detailed description of the invention
The following describes the present invention in detail with reference to the accompanying drawings and specific embodiments:
Fig. 1 a is three-dimensional schematic diagram of the invention.
Fig. 1 b is the present invention comprising lower cable bar schematic diagram that radially oblique cord (3) is constituted.
Fig. 1 c is partial component connection relationship diagram of the present invention.
Fig. 2 is top view of the present invention.
Fig. 3 is side view of the present invention.
Fig. 4 is a Pin sectional view in the present invention.
Fig. 5 is the generation schematic diagram of curve form of the present invention.
Specific embodiment
Below in conjunction with attached drawing, specific embodiments of the present invention will be further explained.
The present invention be it is a kind of rotate imitative S-shaped curved surface Cable dome, the traditional cable dome structure curved profile of key breakthrough only has
The status of spherical shell class positive gauss curvature surface, saddle camber curved surface with negative gauss curvature, zero Gaussian curvature curved surface of cylinder, has reached and has protected
Cable dome structure is demonstrate,proved from the basis of heavy and light, bearing capacity height, the purpose being applied in other more appearance curved surface structures.
As shown in figure 1, figure 2, figure 3, figure 4 and figure 5, it is provided by the invention it is a kind of rotate imitative S-shaped curved surface Cable dome, mainly by
Radially oblique cord (3), radial lower oblique cord (4), circumferential drag-line (1) and vertical compression bar (2) form.
As shown in Figure 2 and Figure 3, in addition to the vertical compression bar of span centre (2), the upper end node (5) of remaining vertical compression bar (2) with 2
Mutually not conllinear radially oblique cord (3) and the downward oblique cord of 1 root diameter (4) connection；In addition to inner ring, radially oblique cord (3) is in same circle
It is not connected directly mutually, radial lower oblique cord (4) are not also connected directly mutually in same circle；In addition, in addition to the vertical compression bar of span centre (2),
The lower end node (5) of remaining vertical compression bar (2) is connect with 2 circumferential drag-lines (1) and the downward oblique cord of 1 root diameter (4).Span centre is vertically pressed
The upper end node (5) of bar (2) is only connected with radially oblique cord (3), and lower end node (5) is only connected with radial lower oblique cord (4), company, institute
Radially oblique cord (3) it is equal with the radial lower number of oblique cord (4), be equal to the support node number of structure.Radially oblique cord (3)
Join end to end the sigmoid curve to be formed, and symmetrical radial arrangement forms the warp of curved surface, and quantity is equal to the support node number of structure；
Each ring joins end to end to form regular polygon to drag-line (1), and number of edges is equal to the support node number of structure；Whole radial S-shapeds
Curve and circumferential regular polygon, showed in plane projection it is rib-ring-shaped, it is entire to rotate the flat of imitative S-shaped curved surface cable dome structure
Face projection is also in rib-ring-shaped.
Circumferential drag-line (1) can be made by the distance between adjacent two nodes in practical structures, can also be bent by whole closing
The length of line makes as a drag-line.The circle number of strop is determined according to the span of concrete engineering in structure.
As shown in Figure 2 and Figure 3, radially oblique cord (3) and radial lower oblique cord (4) are connected to the support node on periphery to outmost turns
(6) on.
As shown in Figure 1, Figure 2 and shown in Fig. 3, whole radially oblique cords (3), circumferential drag-line (1), are vertically pressed at radial lower oblique cord (4)
Bar (2) assembling is finished and is fixed on after the support node (6) on periphery, and each drag-line is both needed to apply by the change of length with compression bar
After adding certain prestressing force, total just can enter loaded state.Radially oblique cord (3), radial lower oblique cord (4) and circumferential drawing
The internal force of rope (1) is pulling force forever；The internal force of vertical compression bar (2) is pressure forever.
The basic principles, main features and advantages of the present invention have been shown and described above.The technology of the industry
Personnel are not departing from spirit and scope of the invention it should be appreciated that merely illustrate the principles of the invention described in description above
Under the premise of, various changes and improvements may be made to the invention, these changes and improvements both fall within scope of the claimed invention
It is interior.The scope of the present invention is defined by the appended claims and its equivalents.
Claims (9)
1. a kind of rotate imitative S-shaped curved surface cable dome structure, which is characterized in that
Include oblique cord (4) under a plurality of circumferential drag-line (1), more vertical compression bars (2), a plurality of radially oblique cord (3), a plurality of radial directions；
In addition to the vertical compression bar (2) of span centre, the upper end of remaining vertical compression bar (2) and the upward oblique cord of 2 root diameters (3) and the downward oblique cord of 1 root diameter
(4) it is connected, lower end is connected with the downward oblique cord of 1 root diameter (3) and 2 circumferential drag-lines (1).
2. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that a plurality of radially oblique cord (3) joins end to end
Sigmoid curve is formed, sigmoid curve is connected by both positive and negative curvature curve；A plurality of sigmoid curve pole is arranged symmetrically the rope net to be formed
Curved surface is to rotate imitative S-shaped curved surface, and the bus of curved surface is sigmoid curve, and bus is also the warp for rotating imitative S-shaped curved surface, and curved surface is led
Line is annulus, and curvature is greater than zero, and conducting wire is also the weft for rotating imitative S-shaped curved surface, and entire curved surface is positive negative Gaussian curvature phase group
The space curved surface of conjunction.
3. rotating imitative S-shaped curved surface Cable dome as claimed in claim 2, which is characterized in that described radially oblique cord (3) the head and the tail phase
The space curved surface circumferential direction equal part that the sigmoid curve even formed combines positive negative Gaussian curvature.
4. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that in addition to the vertical compression bar of span centre (2), remaining
The upper end node (5) of vertical compression bar (2) is connect with 2 mutual not conllinear radially oblique cords (3) and the downward oblique cord of 1 root diameter (4)；It removes
Outside inner ring, radially oblique cord (3) is not connected directly mutually in same circle, and radial lower oblique cord (4) are not also connected directly mutually in same circle；
In addition, in addition to the vertical compression bar of span centre (2), the lower end node (5) of remaining vertical compression bar (2) with 2 circumferential drag-lines (1) and 1
Radial lower oblique cord (4) connection.
5. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that the upper end node of the vertical compression bar of span centre (2)
(5) only it is connected with radially oblique cord (3), lower end node (5) is only connected with radial lower oblique cord (4), connected radially oblique cord (3)
It is equal with the radial lower number of oblique cord (4), it is equal to the support node number of structure.
6. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that radially oblique cord (3) joins end to end to be formed
Sigmoid curve, symmetrical radial arrangement forms the warp of curved surface, and quantity is equal to the support node number of structure；Each ring is to drag-line
(1) it joins end to end to form regular polygon, number of edges is equal to the support node number of structure；Whole radial sigmoid curves and circumferential direction
Regular polygon, shows rib-ring-shaped in plane projection, and the entire plane projection for rotating imitative S-shaped curved surface cable dome structure is also in rib
It is ring-like.
7. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that three-dimensional is cut with scissors on identical support node (6)
The upward oblique cord of 1 root diameter (3) and the downward oblique cord of 1 root diameter (4) are connect.
8. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that the length foundation of vertical compression bar (2) is answered in advance
The design result of power determines that each vertical compression bar (2) is independently dispersed in total, each vertical not direct phase of compression bar (2)
It connects；Radial lower oblique cord (4) are also independently dispersed in total, and radial lower oblique cord (4) are not also directly connected to each other.
9. rotating imitative S-shaped curved surface Cable dome as described in claim 1, which is characterized in that radially oblique cord (3), radial lower oblique cord
(4) internal force with circumferential drag-line (1) is pulling force forever；The internal force of vertical compression bar (2) is pressure forever.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042438.9A CN109826355B (en) | 2019-01-17 | 2019-01-17 | Rotary S-shaped curved cable dome |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910042438.9A CN109826355B (en) | 2019-01-17 | 2019-01-17 | Rotary S-shaped curved cable dome |
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| CN109826355A true CN109826355A (en) | 2019-05-31 |
| CN109826355B CN109826355B (en) | 2023-10-31 |
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Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201024561Y (en) * | 2007-03-30 | 2008-02-20 | 北京工业大学 | Cable rod cord supported dome |
| US20090044459A1 (en) * | 2005-06-21 | 2009-02-19 | Arpad Kolozsvary-Kiss | Roof arches without bending moments |
| CN101630344A (en) * | 2009-07-31 | 2010-01-20 | 东南大学 | Gradual recursion method for determining initial equilibrium state of cable dome |
| CN201649393U (en) * | 2010-04-27 | 2010-11-24 | 上海海事大学 | Cable-stayed suspend-dome |
| US20120159872A1 (en) * | 2009-09-03 | 2012-06-28 | Xin Zhuo | Layer-by-layer double-hoop sunflower-shaped cable dome structure and its construction method |
| CN103334529A (en) * | 2013-06-17 | 2013-10-02 | 东南大学 | Full-tension cable-strut roof structural system and construction method thereof |
| WO2013189275A1 (en) * | 2012-06-18 | 2013-12-27 | 中国航空规划建设发展有限公司 | Asymmetrical open type integral tension cable membrane structure and method for construction and design therefor |
| CN104947838A (en) * | 2015-06-11 | 2015-09-30 | 上海海事大学 | Method for finding feasible prestress of cable-pole structure |
| CN105952049A (en) * | 2016-05-10 | 2016-09-21 | 北京工业大学 | Dual-strut cable dome structure |
-
2019
- 2019-01-17 CN CN201910042438.9A patent/CN109826355B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20090044459A1 (en) * | 2005-06-21 | 2009-02-19 | Arpad Kolozsvary-Kiss | Roof arches without bending moments |
| CN201024561Y (en) * | 2007-03-30 | 2008-02-20 | 北京工业大学 | Cable rod cord supported dome |
| CN101630344A (en) * | 2009-07-31 | 2010-01-20 | 东南大学 | Gradual recursion method for determining initial equilibrium state of cable dome |
| US20120159872A1 (en) * | 2009-09-03 | 2012-06-28 | Xin Zhuo | Layer-by-layer double-hoop sunflower-shaped cable dome structure and its construction method |
| CN201649393U (en) * | 2010-04-27 | 2010-11-24 | 上海海事大学 | Cable-stayed suspend-dome |
| WO2013189275A1 (en) * | 2012-06-18 | 2013-12-27 | 中国航空规划建设发展有限公司 | Asymmetrical open type integral tension cable membrane structure and method for construction and design therefor |
| CN103334529A (en) * | 2013-06-17 | 2013-10-02 | 东南大学 | Full-tension cable-strut roof structural system and construction method thereof |
| CN104947838A (en) * | 2015-06-11 | 2015-09-30 | 上海海事大学 | Method for finding feasible prestress of cable-pole structure |
| CN105952049A (en) * | 2016-05-10 | 2016-09-21 | 北京工业大学 | Dual-strut cable dome structure |
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Inventor after: Guo Jiamin Inventor after: Zhao Yu Inventor after: Zhou Guangen Inventor after: Cui Pengfei Inventor after: Li Zhizhong Inventor after: Cheng Rui Inventor after: Xu Wenchao Inventor after: Hou Xianrui Inventor after: Liu Guangzhong Inventor before: Guo Jiamin Inventor before: Zhao Yu Inventor before: Zhou Guangen Inventor before: Cui Pengfei Inventor before: Li Zhizhong Inventor before: Cheng Rui Inventor before: Xu Wenchao Inventor before: Hou Xianrui Inventor before: Liu Guangzhong |
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