CN103758209A - Ribbed-type crossed cable supported lattice shell structure with bearing cable crossed layout - Google Patents
Ribbed-type crossed cable supported lattice shell structure with bearing cable crossed layout Download PDFInfo
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- CN103758209A CN103758209A CN201410012822.1A CN201410012822A CN103758209A CN 103758209 A CN103758209 A CN 103758209A CN 201410012822 A CN201410012822 A CN 201410012822A CN 103758209 A CN103758209 A CN 103758209A
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Abstract
The invention relates to a ribbed-type crossed cable supported lattice shell structure with bearing cable crossed layout. The structure comprises a ribbed-type single layer lattice shell, bearing cables, a supporting rod and a lower-portion support. The ribbed-type crossed cable supported lattice shell structure is an annular structure with a large central opening. The upper portion of the ribbed-type crossed cable supported lattice shell structure comprising the ribbed-type single layer lattice shell, the bearing cables and the supporting rod is supported through the lower-portion support. Cables of the supporting cable operate together coordinately; when partial bearing cables are broken, progressive collapse can be prevented from occurring effectively, and safety of constructive structure is guaranteed; each bearing cable is crossed mutually and supplies out-surface binding force to each other, out-surface stability can be maintained mutually, additional out-surface binding components can be omitted, steel material is saved, and bearing force is increased.
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 rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable arranged crosswise.
Background technology
Along with the continuous progress of socialist modernization drive, social life has had and has significantly improved, and grows with each passing day as the demand of gymnasium building, conference and exhibition center's building, traffic station building etc. in large-scale public activity space.Holding of the large-scale games such as Beijing Olympic Games, Shanghai World's Fair, the Guangzhou Asian Games, newly-built or reorganization and expansion large quantities of venue buildings, this has further driven the innovation of large-span space structure system.Large span space building is the landmark in a region often, and target that therefore not only will be using safety, economic dispatch as structure design, the more important thing is that U.S.A of bar structure shows, and realizes the combination of power and beauty.In recent years, large-span cable is held and in latticed shell structure construction of stadium and gymnasium at home and abroad, is applied morely, comes from the feature that rope bearing structure is tempered toughness with gentleness.The bottom of structure has adopted high strength drag-line, has reduced steel using amount when guaranteeing the rigidity of structure; 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, and crosses over the factors such as spacial ability is strong, steel using amount is low, good reliability because of it, in the public buildings such as stadiums, is widely used.The collapse resistant capacity that the weak point of original Suo Cheng latticed shell structure is mainly structure a little less than.The underclad portion of original Suo Cheng latticed shell structure relies on strop that oblique cord and strut are linked together, and makes structure obtain enough rigidity and bearing capacity by stretch-draw strop.Correlative study shows that strop is obvious sensitive components, when strop occurs locally when disrumpent feelings, can cause being connected in all oblique cords and the strut generation Relaxation of prestressing of strop, support cable system cannot provide enough bearing capacities for structure, 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 a kind of Cable-supported Lattice Shells that is applicable to the buildings such as the middle stadium that opens wide periphery awning; This structure is topmost is characterised in that lower floor's track cable intersects mutually, and collaborative work has improved the globality of structure; The two ends of every track cable are directly supported on the outmost turns node of rib-ring-shaped net shell, and load transmission is succinct, direct, and lower support rope system no longer relies on strop, there is no obvious sensitive components; The lower node place of every strut all has two track cables to pass through, and at this moment structure has possessed more load bang path, even if a certain rope deactivated for some reason, remaining rope can continue to bring into play supporting capacity, and structure is not easy to occur integral body and collapses.
For achieving the above object, the technical solution used in the present invention is a kind of rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable arranged crosswise, and 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; 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, and each track cable is centered by the center of circle of annulus, symmetrical and mutually intersect successively; Each crossover location at track cable is equipped with strut, and strut upper end connects ring-like single-layer lattice shell, and strut lower end connects the crossover node of track cable; The top of the rib-ring-shaped intersection Suo Cheng latticed shell structure that rib-ring-shaped single-layer lattice shell, track cable, strut form 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 adopt round steel pipe, square steel pipe, and 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; The top of the rib-ring-shaped Suo Cheng of the intersection latticed shell structure that lower support and rib-ring-shaped single-layer lattice shell, track cable, strut form can be for hinged or rigidly connect; The effect of rib-ring-shaped single-layer lattice shell is for top, to lay roof panel to provide support; The effect of lower support is to bear the gravity direction load that transmit on 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; The effect of strut is that the fractional load of rib-ring-shaped single-layer lattice shell is passed to track cable; The effect of track cable applies prestressing force and the load of strut is passed to the connected node place of track cable and rib-ring-shaped single-layer lattice shell; Rib-ring-shaped single-layer lattice shell has along the outside horizontal thrust effect of circle diameter lower support, and track cable has along the inside horizontal pull effect of circle diameter the connected node of track cable and rib-ring-shaped single-layer lattice shell; With this, realize outside horizontal thrust and inside horizontal pull and cancel out each other, thereby alleviate the burden of lower support.
Compared with prior art, the present invention has following useful feature.
1, in track cable each rope mutually coordinate, co-operation, when track cable is local, occur when disrumpent feelings, all the other intact track cables can serve as standby load bang path, thereby effectively stop Progressive Collapse to occur, and have guaranteed the safety of building structure.
2, 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.
3, by each track cable is applied to prestressing force, by strut, be the rib-ring-shaped single-layer lattice shell power that provides support, increased bearing capacity.
Accompanying drawing explanation
The rib-ring-shaped intersection of Fig. 1 Suo Cheng latticed shell structure axonometric drawing
The top elevation 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 arrangement diagram
In figure: 1, rib-ring-shaped single-layer lattice shell, 2, strut, 3, track cable, 4, lower support.
The specific embodiment
As shown in Figure 1, Figure 2, Figure 3, Figure 4, a kind of rib-ring-shaped intersection Suo Cheng latticed shell structure of track cable arranged crosswise, 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; The top of this rib-ring-shaped intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell 1, track cable 3, strut 2; In track cable 3, the two ends of every rope are connected to the different outermost articulating point of rib-ring-shaped single-layer lattice shell 1, and each track cable 3 is centered by the center of circle of annulus, symmetrical and mutually intersect successively; Each crossover location at track cable 3 is equipped with strut 2, and strut 2 upper ends connect ring-like single-layer lattice shell 1, and strut 2 lower ends connect the crossover node of track cable 3; The top of the rib-ring-shaped intersection Suo Cheng latticed shell structure that rib-ring-shaped single-layer lattice shell 1, track cable 3, strut 2 form is placed in lower 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 can adopt round steel pipe, square steel pipe, and in rib-ring-shaped single-layer lattice shell 1, all rod nodes are and are rigidly connected.
Described lower support 4 can be support column, body of wall; The top of the rib-ring-shaped Suo Cheng of the intersection latticed shell structure that lower support 4 and rib-ring-shaped single-layer lattice shell 1, track cable 3, strut 2 form can be for hinged or rigidly connect.
The effect of rib-ring-shaped single-layer lattice shell 1 is for top, to lay roof panel to provide support.
The effect of lower support 4 is to bear the gravity direction load that transmit on the top of the rib-ring-shaped intersection Suo Cheng latticed shell structure of rib-ring-shaped single-layer lattice shell 1, track cable 3, strut 2 compositions.
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 and the load of strut 2 is passed to the connected node place of track cable 3 and rib-ring-shaped single-layer lattice shell 1;
1 pair of lower support 4 of rib-ring-shaped single-layer lattice shell has along the outside horizontal thrust effect of circle diameter, and 3 pairs of track cables of track cable 3 have along the inside horizontal pull effect of circle diameter with the connected node of rib-ring-shaped single-layer lattice shell 1; With this, realize outside horizontal thrust and inside horizontal pull and cancel out each other, thereby alleviate 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; The top of this rib-ring-shaped intersection Suo Cheng latticed shell structure comprises rib-ring-shaped single-layer lattice shell (1), track cable (3), strut (2); In track cable (3), the two ends of every rope are connected to the different outermost articulating point of rib-ring-shaped single-layer lattice shell (1), and each track cable (3) is centered by the center of circle of annulus, symmetrical and mutually intersect successively; Each crossover location at track cable (3) is equipped with strut (2), and strut (2) upper end connects ring-like single-layer lattice shell (1), and strut (2) lower end connects the crossover node of track cable (3); The top of the rib-ring-shaped intersection Suo Cheng latticed shell structure that rib-ring-shaped single-layer lattice shell (1), track cable (3), strut (2) form is placed in lower support (4).
2. the rib-ring-shaped intersection Suo Cheng latticed shell structure of a kind of track cable arranged crosswise according to claim 1, it is characterized in that: described rib-ring-shaped single-layer lattice shell (1) is by radially combining with two kinds of rod members of hoop, rod member can adopt round steel pipe, square steel pipe, and in rib-ring-shaped single-layer lattice shell (1), all rod nodes are and are rigidly connected;
Described lower support (4) can be support column, body of wall; The top of the rib-ring-shaped Suo Cheng of the intersection latticed shell structure that lower support (4) and rib-ring-shaped single-layer lattice shell (1), track cable (3), strut (2) form can be for hinged or rigidly connect;
The effect of rib-ring-shaped single-layer lattice shell (1) is for top, to lay roof panel 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 track cable (3);
The effect of track cable (3) applies prestressing force and the load of strut (2) is passed to the connected node place of track cable (3) and rib-ring-shaped single-layer lattice shell (1).
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104631621A (en) * | 2015-02-15 | 2015-05-20 | 中国建筑西南设计研究院有限公司 | Saddle-shaped cable carrier single-layer latticed shell structure |
| CN104652680A (en) * | 2015-02-15 | 2015-05-27 | 中国建筑西南设计研究院有限公司 | Rope towing single-layered net shell structure |
| CN104727568A (en) * | 2015-02-28 | 2015-06-24 | 同济大学 | External steel strand net device preventing structure continuous collapse through tensile strength of steel rods |
| 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 |
| CN104806032A (en) * | 2015-02-28 | 2015-07-29 | 同济大学 | Steel strand mesh device with adjustable external resistance for preventing structure from continuous collapsing |
| CN105675242A (en) * | 2016-01-19 | 2016-06-15 | 北京工业大学 | Electromechanical control inhaul cable instant breaking device |
| CN106088440A (en) * | 2016-07-03 | 2016-11-09 | 山东建筑大学 | Traffic circle self-balanced cabled truss structure |
| CN106437170A (en) * | 2016-04-17 | 2017-02-22 | 北京工业大学 | Installation method for annular cross cable system supporting dome structure |
| CN107386513A (en) * | 2017-07-19 | 2017-11-24 | 天津大学 | A kind of big opening type super-span suspended-dome structure |
| CN112095880A (en) * | 2020-11-09 | 2020-12-18 | 湖南大学 | Giant lattice awning structure with prestressed stay cables |
| CN114876068A (en) * | 2022-07-12 | 2022-08-09 | 北京工业大学 | Double-layer three-dimensional large-opening flexible cable net spatial structure system |
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| CN202611068U (en) * | 2012-03-08 | 2012-12-19 | 东南大学 | Dome structure of deployable cable pole |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104631621A (en) * | 2015-02-15 | 2015-05-20 | 中国建筑西南设计研究院有限公司 | Saddle-shaped cable carrier single-layer latticed shell structure |
| CN104652680A (en) * | 2015-02-15 | 2015-05-27 | 中国建筑西南设计研究院有限公司 | Rope towing single-layered net shell structure |
| 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 |
| 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 |
| CN104727568A (en) * | 2015-02-28 | 2015-06-24 | 同济大学 | External steel strand net device preventing structure continuous collapse through tensile strength of steel rods |
| CN104806032A (en) * | 2015-02-28 | 2015-07-29 | 同济大学 | Steel strand mesh device with adjustable external resistance for preventing structure from continuous collapsing |
| 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 |
| 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 |
| CN105675242A (en) * | 2016-01-19 | 2016-06-15 | 北京工业大学 | Electromechanical control inhaul cable instant breaking device |
| CN105675242B (en) * | 2016-01-19 | 2017-12-15 | 北京工业大学 | The instantaneous disrumpent feelings device of Electromechanical Control drag-line |
| CN106437170A (en) * | 2016-04-17 | 2017-02-22 | 北京工业大学 | Installation method for annular cross cable system supporting dome structure |
| 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 |
| CN112095880A (en) * | 2020-11-09 | 2020-12-18 | 湖南大学 | Giant lattice awning structure with prestressed stay cables |
| CN112095880B (en) * | 2020-11-09 | 2021-02-09 | 湖南大学 | Giant lattice awning structure with prestressed stay cables |
| CN114876068A (en) * | 2022-07-12 | 2022-08-09 | 北京工业大学 | Double-layer three-dimensional large-opening flexible cable net spatial structure system |
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