CN103758209B - A kind of rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable arranged crosswise - Google Patents
A kind of rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable arranged crosswise Download PDFInfo
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- CN103758209B CN103758209B CN201410012822.1A CN201410012822A CN103758209B CN 103758209 B CN103758209 B CN 103758209B CN 201410012822 A CN201410012822 A CN 201410012822A CN 103758209 B CN103758209 B CN 103758209B
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Abstract
The rib-ring-shaped intersection Suo Cheng latticed shell structure that the present invention relates to a kind of track cable arranged crosswise, this structure comprises rib-ring-shaped single-layer lattice shell, track cable, strut and lower support; This rib-ring-shaped intersection Suo Cheng latticed shell structure is the circular ring of a large opening of central authorities; The top of this rib-ring-shaped intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell, track cable, strut; The top of the rib-ring-shaped intersection Suo Cheng latticed shell structure of rib-ring-shaped single-layer lattice shell, track cable, strut composition is placed in lower support; In track cable, each rope mutually coordinated, jointly worked, and in the time that the local generation of track cable is disrumpent feelings, can effectively stop Progressive Collapse to occur, and ensured the security of building structure; Each track cable intersects mutually, and out of plane constraint power is provided each other, can mutually maintain lateral stability, does not need extra out of plane constraint member, thereby has realized steel saving, and increased bearing capacity.
Description
Technical field
The present invention relates to large-span cable and hold grid shell roof structure field, be specifically related to a kind of track cableThe rib-ring-shaped intersection Suo Cheng latticed shell structure of arranged crosswise.
Background technology
Along with the continuous progress of socialist modernization drive, social life has had and has significantly improved,Large-scale public activity space is as gymnasium building, conference and exhibition center's building, traffic station buildingDeng demand grow with each passing day. The large-scale matches such as Beijing Olympic Games, Shanghai World's Fair, the Guangzhou Asian GamesHolding of thing, newly-built or reorganization and expansion large quantities of venue buildings, this has further driven large spanThe innovation of space structure system. The large span space building often terrestrial reference in a region is builtBuild, target that therefore not only will be using safety, economic dispatch as structural design, the more important thing is handleU.S.A of structure shows, and realizes the combination of power and beauty. In recent years, large-span cable is held net shell knotIn structure construction of stadium and gymnasium at home and abroad, apply morely, come from the spy that rope bearing structure is tempered toughness with gentlenessPoint. The bottom of structure has adopted high strength drag-line, when ensureing the rigidity of structure, has reduced and has used steelAmount; Top has adopted latticed shell structure, handsome in appearance, economical rationality.
Suo Cheng latticed shell structure is a kind of combining structure of tempering toughness with gentleness, because it crosses over spacial abilityBy force, the factor such as low, the good reliability of steel using amount, in the public buildings such as stadiums, be widely used.The collapse resistant capacity that the weak point of original Suo Cheng latticed shell structure is mainly structure a little less than. FormerThe underclad portion of some Suo Cheng latticed shell structures relies on strop that oblique cord and strut are linked together, andMake structure obtain enough rigidity and bearing capacity by stretch-draw strop. Correlative study shows that strop isSignificantly sensitive components, when strop occurs locally when disrumpent feelings, can cause being connected in all of stropOblique cord and strut generation Relaxation of prestressing, support cable system cannot provide enough carryings for structurePower, the rigidity of structure declines obviously, even causes structural entity to collapse.
Summary of the invention
The object of the invention is to improve above not enough, proposes one and is applicable to the middle periphery cloth of opening widePut the Cable-supported Lattice Shells of the building such as stadium of awning; The topmost feature of this structureBe that lower floor's track cable intersects mutually, collaborative work, has improved the globality of structure; Every is heldThe two ends of heavy rope are directly supported on the outmost turns node of rib-ring-shaped net shell, and load transmission is succinct, straightConnect, lower support rope system no longer relies on strop, there is no obvious sensitive components; Every strutLower node place all has two track cables to pass through, and at this moment structure has possessed more load transmission roadFootpath, even if a certain rope deactivated for some reason, remaining rope can continue to bring into play bearing capacity, knotStructure is not easy to occur entirety and collapses.
For achieving the above object, the technical solution used in the present invention is a kind of track cable arranged crosswiseRib-ring-shaped intersection Suo Cheng latticed shell structure, this structure comprise rib-ring-shaped single-layer lattice shell, track cable,Strut and lower support.
This rib-ring-shaped intersection Suo Cheng latticed shell structure is the circular ring of a large opening of central authorities; This ribThe top of Ring intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell, track cable, strut;In track cable, the two ends of every rope are connected to the different outermost articulating point of rib-ring-shaped single-layer lattice shell,Each track cable centered by the center of circle of annulus, symmetrical and successively mutually intersect; In load-bearingEach crossover location of rope is equipped with strut, and strut upper end connects ring-like single-layer lattice shell, under strutEnd connects the crossover node of track cable; The rib of rib-ring-shaped single-layer lattice shell, track cable, strut compositionThe top of Ring intersection Suo Cheng latticed shell structure is placed in lower support.
Described rib-ring-shaped single-layer lattice shell is by radially combining with two kinds of rod members of hoop, and rod member can be adoptedWith round steel pipe, square steel tube, in rib-ring-shaped single-layer lattice shell, all rod nodes are and are rigidly connected.
Described lower support can be support column, body of wall; Lower support and rib-ring-shaped single-layer lattice shell,The top of the rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable, strut composition can be hinged or firmConnect; The effect of rib-ring-shaped single-layer lattice shell is to lay roof boarding for top to provide support; Lower supportEffect be the rib-ring-shaped intersection Suo Cheng that bears rib-ring-shaped single-layer lattice shell, track cable, strut compositionThe gravity direction load that transmit on the top of latticed shell structure; The effect of strut is by rib-ring-shaped individual layer netThe fractional load of shell passes to track cable; The effect of track cable applies prestressing force by the load of strutBe passed to the connected node place of track cable and rib-ring-shaped single-layer lattice shell; Rib-ring-shaped single-layer lattice shell underPortion is supported with the horizontal thrust effect outside along circle diameter, and track cable is to track cable and rib-ring-shapedThe connected node of single-layer lattice shell has the horizontal pull effect inside along circle diameter; With this, realizeOutside horizontal thrust and inside horizontal pull are cancelled out each other, thereby alleviate the negative of lower supportLoad.
Compared with prior art, the present invention has following useful feature.
1, in track cable, each rope mutually coordinated, jointly worked, and occurs to break when track cable is localWhen disconnected, all the other intact track cables can serve as load bang path for subsequent use, thereby effectively stopProgressive Collapse occurs, and has ensured the security of building structure.
2, each track cable intersects mutually, and out of plane constraint power is provided each other, can mutually maintain faceOuter stable, do not need extra out of plane constraint member, thereby realized steel saving.
3, by each track cable applied to prestressing force, be rib-ring-shaped single-layer lattice shell by strutThe power that provides support, has increased bearing capacity.
Brief description of the drawings
The rib-ring-shaped intersection of Fig. 1 Suo Cheng latticed shell structure axonometric drawing
The top front view of the rib-ring-shaped intersection of Fig. 2 Suo Cheng net shell
Fig. 3 top rib-ring-shaped net shell top view
Fig. 4 track cable and strut layout drawing
In figure: 1, rib-ring-shaped single-layer lattice shell, 2, strut, 3, track cable, 4, lower support.
Detailed description of the invention
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of track cable arranged crosswise is rib-ring-shapedIntersection Suo Cheng latticed shell structure, this structure comprises rib-ring-shaped single-layer lattice shell 1, track cable 3, strut2 and lower support 4.
This rib-ring-shaped intersection Suo Cheng latticed shell structure is the circular ring of a large opening of central authorities; This ribThe top of Ring intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell 1, track cable 3, supportBar 2; In track cable 3, the two ends of every rope are connected to the different of rib-ring-shaped single-layer lattice shell 1Outer shroud contact, each track cable 3 is centered by the center of circle of annulus, symmetrical and mutual successivelyIntersect; Each crossover location at track cable 3 is equipped with strut 2, strut 2 upper end connecting ringsType single-layer lattice shell 1, strut 2 lower ends connect the crossover node of track cable 3; Rib-ring-shaped individual layer netThe top of the rib-ring-shaped intersection Suo Cheng latticed shell structure that shell 1, track cable 3, strut 2 form is placed inLower support 4.
Described rib-ring-shaped single-layer lattice shell 1 is by radially combining with two kinds of rod members of hoop, and rod member canAdopt round steel pipe, square steel tube, in rib-ring-shaped single-layer lattice shell 1, all rod nodes are rigid connectingConnect.
Described lower support 4 can be support column, body of wall; Lower support 4 and rib-ring-shaped individual layerThe top of the rib-ring-shaped intersection Suo Cheng latticed shell structure that net shell 1, track cable 3, strut 2 form canThink hinged or rigidly connect.
The effect of rib-ring-shaped single-layer lattice shell 1 is to lay roof boarding for top to provide support.
The effect of lower support 4 is to bear rib-ring-shaped single-layer lattice shell 1, track cable 3, strut 2The gravity direction load that transmit on the top of the rib-ring-shaped intersection Suo Cheng latticed shell structure of composition.
The effect of strut 2 is that the fractional load of rib-ring-shaped single-layer lattice shell 1 is passed to track cable 3.
The effect of track cable 3 applies prestressing force the load of strut 2 is passed to track cable 3 and ribThe connected node place of ring-like single-layer lattice shell 1;
Rib-ring-shaped single-layer lattice shell 1 has along the outside horizontal thrust of circle diameter and does lower support 4With, track cable 3 has along annulus straight to track cable 3 and the connected node of rib-ring-shaped single-layer lattice shell 1The horizontal pull effect that footpath is inside; With this, realize outside horizontal thrust and inside level and drawPower is cancelled out each other, thereby alleviates the burden of lower support 4.
Claims (2)
1. a rib-ring-shaped intersection Suo Cheng latticed shell structure for track cable arranged crosswise, is characterized in that:This structure comprises rib-ring-shaped single-layer lattice shell (1), track cable (3), strut (2) and lower support (4);
This rib-ring-shaped intersection Suo Cheng latticed shell structure is the circular ring of a large opening of central authorities; This gilled ringsThe top of type intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell (1), track cable (3), supportBar (2); In track cable (3), the two ends of every rope are connected to rib-ring-shaped single-layer lattice shell (1) noWith outermost articulating point, each track cable (3) is centered by the center of circle of annulus, symmetrical and comply withInferior mutual intersection; Be equipped with strut (2) at each crossover location of track cable (3), strut (2)Upper end connects the bottom of ring-like single-layer lattice shell (1), strut (2) lower end connection track cable (3)Crossover node; Rib-ring-shaped single-layer lattice shell (1), track cable (3), strut (2) are consitutionalTop is placed on lower support (4).
2. the rib-ring-shaped intersection Suo Cheng net of a kind of track cable arranged crosswise according to claim 1Shell structure, is characterized in that: described rib-ring-shaped single-layer lattice shell (1) by radially with two kinds of rod members of hoopCombine, rod member can adopt round steel pipe, square steel tube, all bars in rib-ring-shaped single-layer lattice shell (1)Part node is and is rigidly connected;
Described lower support (4) is support column, body of wall; Lower support (4) and rib-ring-shaped individual layerThe rib-ring-shaped intersection Suo Cheng latticed shell structure of net shell (1), track cable (3), strut (2) composition upperPortion is hinged or rigidly connects;
The effect of rib-ring-shaped single-layer lattice shell (1) is to lay roof boarding for top to provide support;
The effect of strut (2) is that the fractional load of rib-ring-shaped single-layer lattice shell (1) is passed to load-bearingRope (3);
The effect of track cable (3) applies prestressing force the load of strut (2) is passed to track cable (3)Connected node place with rib-ring-shaped single-layer lattice shell (1).
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Families Citing this family (11)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104631621B (en) * | 2015-02-15 | 2017-04-05 | 中国建筑西南设计研究院有限公司 | Saddle-shape cable support single-layer latticed shell |
| CN104652680B (en) * | 2015-02-15 | 2017-03-22 | 中国建筑西南设计研究院有限公司 | Rope towing single-layered net shell structure |
| CN104727568B (en) * | 2015-02-28 | 2017-02-01 | 同济大学 | External steel strand net device preventing structure continuous collapse through tensile strength of steel rods |
| CN104806032B (en) * | 2015-02-28 | 2017-02-22 | 同济大学 | Steel strand mesh device with adjustable external resistance for preventing reinforced concrete structure from continuous collapsing |
| CN104727564A (en) * | 2015-04-17 | 2015-06-24 | 中亿丰建设集团股份有限公司 | Method for installation construction of roof free-form surface single-layer latticed shell structure of super high-rise building |
| CN105675242B (en) * | 2016-01-19 | 2017-12-15 | 北京工业大学 | The instantaneous disrumpent feelings device of Electromechanical Control drag-line |
| CN106437170B (en) * | 2016-04-17 | 2019-12-20 | 北京工业大学 | Installation method of annular crossed cable system supporting dome structure |
| CN106088440A (en) * | 2016-07-03 | 2016-11-09 | 山东建筑大学 | Traffic circle self-balanced cabled truss structure |
| CN107386513A (en) * | 2017-07-19 | 2017-11-24 | 天津大学 | A kind of big opening type super-span suspended-dome structure |
| CN112095880B (en) * | 2020-11-09 | 2021-02-09 | 湖南大学 | Giant lattice awning structure with prestressed stay cables |
| CN114876068B (en) * | 2022-07-12 | 2022-09-23 | 北京工业大学 | Double-layer three-dimensional large-opening flexible cable net spatial structure system |
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| JP2003184217A (en) * | 2001-12-14 | 2003-07-03 | Mitsubishi Heavy Ind Ltd | Open-close type dome roof and its open-close driving device |
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