CN107034992B - A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar - Google Patents
A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar Download PDFInfo
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- CN107034992B CN107034992B CN201710421890.7A CN201710421890A CN107034992B CN 107034992 B CN107034992 B CN 107034992B CN 201710421890 A CN201710421890 A CN 201710421890A CN 107034992 B CN107034992 B CN 107034992B
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- notochord
- strut
- stiffening ring
- winds
- ring bar
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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
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
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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
- E04B2001/3294—Arched structures; Vaulted structures; Folded structures with a faceted surface
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Bridges Or Land Bridges (AREA)
- Suspension Of Electric Lines Or Cables (AREA)
Abstract
It winds up the Geiger dome structure of stiffening ring bar the invention discloses a kind of band, including central strut, notochord and oblique cord, which join end to end, constitutes several center cable-truss of a shared central strut, peripheral strut, notochord and oblique cord, which join end to end, constitutes several peripheral cable-truss, the peripheral strut top of peripheral cable-truss is connected at the notochord and oblique cord node of center cable-truss, the peripheral strut top of peripheral cable-truss adjacent thereto is connected at the notochord and oblique cord node of the peripheral cable-truss of inner ring, the stiffening ring bar that winds up is connected with between the peripheral strut top of two adjacent peripheral cable-truss of circle, also disclose the construction method of the cable dome structure.Band of the invention winds up the Geiger dome structure and construction method of stiffening ring bar, due to being equipped with the stiffening ring bar that winds up, ring beam pressure, cable tension and structural cost is effectively reduced, most of construction step is completed on ground or Near Ground, difficulty of construction is reduced, is easy to guarantee construction quality.
Description
Technical field
The present invention relates to a kind of cable dome structure and construction methods, and in particular to Geiger dome structure and construction forming
Method.
Background technique
Existing Geiger dome structure is made of notochord, oblique cord, strop and strut, is applied prestressing force by drag-line and is mentioned
For rigidity, in order to guarantee the necessary rigidity of structure, the prestressing force of drag-line especially outer ring strop is often larger, general at support
The biggish circumferential concrete being pressurized in section or steel structure girder is needed to carry out tail rope pulling force, for the construction forming of Cable dome,
Since existing cable dome structure is only made of the hinged strut of flexible cable and both ends, planform has the internal force of component
Higher sensibility, the drag-line and strut for applying pretension, which need, and outmost turns ring beam forms equilibrium system could have structure rigid
Degree, internal part drag-line and strut can not independently form the self equilibrium systems with rigidity, by existing Cable dome knot
The composition and mechanics feature of structure carry out research and learn, the fabrication error and drag-line prestressing force error of dome component are to its construction forming
Have a significant impact, this is also one of the main bottleneck problem for restricting cable dome structure and being widely applied.
Summary of the invention
Goal of the invention: it winds up stiffening ring bar in view of the above-mentioned deficiencies in the prior art, it is an object of the present invention to provide a kind of band
The construction forming method of Geiger dome structure and the cable dome structure, by existing Geiger dome structural system and
The transformation of its construction forming method can reduce drag-line section and prestressing force, reduce pressure and the section of outmost turns ring beam, reduce
Component fabrication error and influence of the drag-line prestressing force error to its construction forming, make that its construction forming is simpler, construction quality
More preferably, construction cost is lower.
Technical solution: a kind of band of the present invention winds up the Geiger dome structure of stiffening ring bar, including center support
Bar, peripheral strut, notochord, oblique cord and strop, the central strut, notochord and oblique cord, which join end to end, constitutes shared center support
Several center cable-truss of bar, the notochord and oblique cord are in that divergent shape is connected at the top and bottom of central strut respectively, institute
It states peripheral strut, notochord and oblique cord and joins end to end and constitute several peripheral cable-truss, the notochord of each center cable-truss and tiltedly
The peripheral strut top of peripheral cable-truss is connected at socket point, positioned at the notochord and oblique cord section of the peripheral cable-truss of inner ring
The peripheral strut top of peripheral cable-truss adjacent thereto is connected at point, it is described with the outer of two adjacent peripheral cable-truss of circle
It encloses between at the top of strut and is connected with the stiffening ring bar that winds up, be connected with strop between bottom.
The central strut is equipped with the adjusting sleeve for adjustment length.
The strop is equipped with the adjusting sleeve for adjustment length.
The stiffening ring bar surface of winding up is outward extended with lug and connecting cleat, the periphery strut and oblique cord and lug
Hingedly, the connecting cleat is inserted in notochord, clamps notochord by the bolt adjusted on connecting cleat, and then fix notochord and wind up
Stiffening ring bar.
Band wind up stiffening ring bar Geiger dome structure construction forming method, comprising the following steps:
1) notochord, oblique cord, central strut and innermost circle the stiffening ring bar that winds up are assembled to obtain and shares one on the ground
The center cable-truss of several interconnections of a central strut, then by notochord, oblique cord, strop, peripheral strut and rigidity of winding up
Ring bar assembles to obtain the peripheral cable-truss of several interconnections, and every notochord for connecting central strut top and support is one whole
Root drag-line adjusts the bolt on connecting cleat and connecting cleat is made to clamp notochord, and then fixed notochord and the stiffening ring bar that winds up, group
The adjusting sleeve that central strut is adjusted when dress makes the length of central strut be less than its nought state design length, adjusts every ring rope
Adjusting sleeve make every ring rope length be greater than its nought state design length, peripheral strut, notochord, oblique cord and the stiffening ring that winds up
The length of bar is nought state design length；
2) moulding bed is set on the ground, each moulding bed has mutually level supporting point, by step 1) it is assembled most
The inner ring stiffening ring bar that winds up is placed horizontally on moulding bed, adjusts the adjusting sleeve of central strut, so that central strut extends, in
The connected notochord of heart strut and oblique cord are pressurized by tensioning, notochord and oblique cord tension, central strut and the stiffening ring bar that winds up in turn, ridge
Self equilibrium systems are collectively formed in rope, oblique cord, central strut and innermost circle the stiffening ring bar that winds up；
3) the stiffening ring bar that winds up is enclosed by the second of stiffening ring bar adjacent ring of winding up in step 2) with innermost circle to be placed horizontally at
On moulding bed, using tensioning equipment and adjust sleeve, tensioning inner ring strop, after tensioning, second circle wind up stiffening ring bar and
Its internal notochord, oblique cord, peripheral strut and central strut form self equilibrium systems；
4) it when the stiffening ring bar that winds up is no less than two circles, will successively have been formed in the outmost turns of self equilibrium systems from inside to outside
The adjacent outer ring of the string stiffening ring bar stiffening ring bar that winds up is placed horizontally on moulding bed, using tensioning equipment and adjusts sleeve,
Its adjacent inner ring strop is drawn, after tensioning, notochord, oblique cord, the peripheral strut of wind up stiffening ring bar and its inside of the circle
Self equilibrium systems are formed with central strut；
5) cable dome structure that self equilibrium systems are formed obtained in step 4) is promoted near ring beam height, it will be outermost
It is fixed at the node of circle notochord and oblique cord with ring beam support, using tensioning equipment and adjusts sleeve, tensioning outmost turns strop, dome
Structure formation.
The Geiger dome structure and construction forming method of stiffening ring bar the utility model has the advantages that band of the invention winds up increase
Can tension, the stiffening ring bar that winds up that is pressurized the notochord of same circle connect into the node of strut cyclization, composition band winds up stiffening ring
The Geiger dome structure of bar:
(1) the stiffening ring bar that winds up can be also pressurized with tension, had biggish rigidity, be can effectively improve the whole of Cable dome
Body rigidity reduces drag-line section and prestressing force, due to the list of drag-line to reduce the demand of Cable dome rigidity provided to drag-line
Position cost is much higher compared to the unit price of rigid steel pipes, therefore can reduce structure total cost, while the prestressed reduction of drag-line
It can effectively reduce the pressure to ring beam, to reduce the section of ring beam, reduce dead load and total cost；
(2) the prestressed reduction of drag-line can be convenient construction stretching；
(3) the stiffening ring bar that winds up clamps notochord by several high-strength bolts adjusted on its connecting cleat, to rigidity of winding up
Ring bar is fixed, this kind construction and connection type avoid every section of notochord both ends setting rope head, saves cost；
(4) simplify the construction forming method of existing cable dome structure complexity, stiffening ring bar can be with tension due to winding up
Be pressurized, drag-line apply prestressing force after, it is any one circle wind up stiffening ring bar both can within the stiffening ring bar that winds up of the circle
Drag-line, strut form self equilibrium systems, drag-line, strut and the outermost ring that can also be winded up other than stiffening ring bar with the circle
Beam forms self equilibrium systems, is linked to be the cricoid stiffening ring bar that winds up since Cable dome of the invention is equipped with, can be by from inside to outside
The construction forming method of layer-by-layer tensioning strop, and most of construction stretching can be carried out apart from ground lower, remove final step
Promotion installation process, the installation or tensioning of remaining each construction step are completed on ground or Near Ground, without setting up scaffold,
Difficulty of construction and cost are reduced, is easy to guarantee construction quality.
Detailed description of the invention
Fig. 1 is the schematic three dimensional views of step 2) self-balancing part in work progress of the invention；
Fig. 2 is the schematic three dimensional views of step 3) self-balancing part in work progress of the invention；
Fig. 3 is that the structure three-dimensional schematic diagram after shape is completed in construction of the invention；
Fig. 4 is the connecting node schematic diagram of of the invention wind up stiffening ring bar and notochord, oblique cord and peripheral strut.
Specific embodiment
Technical solution of the present invention is described in detail below, but protection scope of the present invention is not limited to the implementation
Example.
As shown in Figures 1 to 4, a kind of band of the invention winds up the Geiger dome structure of stiffening ring bar, including center support
Bar 1, peripheral strut 2, notochord 3, oblique cord 4 and strop 5, central strut 1, notochord 3 and oblique cord 4, which join end to end, to be constituted in shared one
Several center cable-truss of heart strut, notochord 3 and oblique cord 4 are connected to 1 top and bottom of central strut in divergent shape respectively,
Peripheral strut 2, notochord 3 and oblique cord 4, which join end to end, constitutes several peripheral cable-truss, 3 He of notochord of each center cable-truss
2 top of peripheral strut of peripheral cable-truss is connected at 4 node of oblique cord, positioned at 3 He of notochord of the peripheral cable-truss of inner ring
2 top of peripheral strut of peripheral cable-truss adjacent thereto is connected at 4 node of oblique cord, with two adjacent peripheral cable-truss of circle
The top of peripheral strut 2 between be connected with the stiffening ring bar 6 that winds up, strop 5 is connected between bottom, central strut 1, which is equipped with, to be used
In the adjusting sleeve of adjustment length, strop 5 is equipped with the adjusting sleeve for adjustment length, and 6 surface of stiffening ring bar of winding up is to extension
Stretching has lug 7 and connecting cleat 8, and peripheral strut 2 and oblique cord 4 and convex 7 ear are hinged, and connecting cleat 8 is inserted in notochord 3, passes through adjusting
Bolt on connecting cleat 8 clamps notochord 3, and then fixed notochord 3 and the stiffening ring bar 6 that winds up.
Band wind up stiffening ring bar Geiger dome structure construction forming method, comprising the following steps:
1) notochord 3, oblique cord 4, central strut 1 and innermost circle the stiffening ring bar 6 that winds up are assembled and is total on the ground
With the center cable-truss of several interconnections of a central strut 1, then by notochord 3, oblique cord 4, strop 5,2 and of peripheral strut
The stiffening ring bar 6 that winds up assembling obtains the peripheral cable-truss of several interconnections, connects every of 1 top of central strut and support
Notochord 3 is one whole drag-line, and notochord 3 clamps notochord 3 by the bolt adjusted on connecting cleat 8 with the stiffening ring bar 6 that winds up and carries out
It is fixedly connected, the adjusting sleeve of central strut 1 is adjusted when assembling, the length of central strut 1 is made to be less than its nought state design length,
Adjust every ring rope 5 adjusting sleeve make every ring rope 5 length be greater than its nought state design length, peripheral strut 2, notochord 3,
The length of oblique cord 4 and the stiffening ring bar 6 that winds up is nought state design length；
2) moulding bed is set on the ground, each moulding bed has mutually level supporting point, by step 1) it is assembled most
The inner ring stiffening ring bar 6 that winds up is placed horizontally on moulding bed, adjusts the adjusting sleeve of central strut 1, so that central strut 1 extends,
The notochord 3 and oblique cord 4 being connected with central strut 1 are in turn by tensioning, 4 tension of notochord 3 and oblique cord, central strut 1 and rigidity of winding up
Ring bar 6 is pressurized, and self equilibrium systems are collectively formed in notochord 3, oblique cord 4, central strut 1 and innermost circle the stiffening ring bar 6 that winds up；
3) it is horizontal positioned the second of 6 adjacent ring of stiffening ring bar of winding up in step 2) with innermost circle to be enclosed the stiffening ring bar 6 that winds up
On moulding bed, using tensioning equipment and sleeve is adjusted, tensioning inner ring strop 5, after tensioning, second encloses the stiffening ring bar that winds up
6 and its internal notochord 3, oblique cord 4, peripheral strut 2 and central strut 1 form self equilibrium systems；
4) when the stiffening ring bar 6 that winds up is no less than two circles, the outmost turns of self equilibrium systems will have successively been formed from inside to outside
The adjacent outer ring stiffening ring bar 6 that winds up of stiffening ring bar 6 of winding up is placed horizontally on moulding bed, utilizes tensioning equipment and adjusting set
Cylinder, its adjacent inner ring strop 5 of tensioning, after tensioning, the circle wind up stiffening ring bar 6 and with itself and its internal notochord 3,
Oblique cord 4, peripheral strut 2 and central strut 1 form self equilibrium systems；
5) cable dome structure that self equilibrium systems are formed obtained in step 4) is promoted near ring beam height, it will be outermost
It is fixed at the node of circle notochord 3 and oblique cord 4 with ring beam support, using tensioning equipment and adjusts sleeve, tensioning outmost turns strop 5,
Dome structure forming.
The present invention also may include Levy type and Kai Weite type cable dome structure, Levy type and Kai Weite type Cable dome
Corresponding position in structure is also equipped with stiffening ring bar and adjusts sleeve, and uses identical construction method, non-stop layer strut
The method also can be used in Cable dome.
As described above, must not be explained although the present invention has been indicated and described referring to specific preferred embodiment
For the limitation to invention itself.It without prejudice to the spirit and scope of the invention as defined in the appended claims, can be right
Various changes can be made in the form and details for it.
Claims (4)
- The Geiger dome structure of stiffening ring bar 1. a kind of band winds up, which is characterized in that including central strut, peripheral strut, Notochord, oblique cord and strop, the central strut, notochord and oblique cord, which join end to end, constitutes several centers of a shared central strut Cable-truss, the notochord and oblique cord are in that divergent shape is connected at the top and bottom of central strut respectively, the periphery strut, ridge Rope and oblique cord, which join end to end, constitutes several peripheral cable-truss, is connected at the notochord and oblique cord node of each center cable-truss The peripheral strut top of peripheral cable-truss, be connected at the notochord and oblique cord node of the peripheral cable-truss of inner ring and its The peripheral strut top of adjacent peripheral cable-truss is connected between the peripheral strut top for enclosing two adjacent peripheral cable-truss Wind up stiffening ring bar, is connected with strop between bottom；It is winded up the construction forming method of the Geiger dome structure of stiffening ring bar based on the band, comprising the following steps:1) notochord, oblique cord, central strut and innermost circle the stiffening ring bar that winds up are assembled to obtain and is shared in one on the ground The center cable-truss of several interconnections of heart strut, then by notochord, oblique cord, strop, peripheral strut and the stiffening ring bar that winds up Assembling obtains the peripheral cable-truss of several interconnections, and every notochord for connecting central strut top and support is one whole drawing Rope adjusts the bolt on connecting cleat and connecting cleat is made to clamp notochord, and then fixed notochord and the stiffening ring bar that winds up, when assembling The adjusting sleeve for adjusting central strut makes the length of central strut be less than its nought state design length, adjusts the tune of every ring rope Section sleeve makes the length of every ring rope be greater than its nought state design length, peripheral strut, notochord, oblique cord and the stiffening ring bar that winds up Length is nought state design length；2) moulding bed is set on the ground, and each moulding bed has mutually level supporting point, by innermost circle assembled in step 1) The stiffening ring bar that winds up is placed horizontally on moulding bed, adjusts the adjusting sleeve of central strut, so that central strut extends, is supportted with center The connected notochord of bar and oblique cord are pressurized by tensioning, notochord and oblique cord tension, central strut and the stiffening ring bar that winds up in turn, notochord, Self equilibrium systems are collectively formed in oblique cord, central strut and innermost circle the stiffening ring bar that winds up；3) the stiffening ring bar that winds up is enclosed by the second of stiffening ring bar adjacent ring of winding up in step 2 with innermost circle be placed horizontally at moulding bed On, using tensioning equipment and sleeve is adjusted, tensioning inner ring strop, after tensioning, the second circle winds up stiffening ring bar and its interior Notochord, oblique cord, peripheral strut and the central strut in portion form self equilibrium systems；4) when the stiffening ring bar that winds up is no less than two circles, successively the outmost turns for having formed self equilibrium systems are winded up just from inside to outside Property ring bar the adjacent outer ring stiffening ring bar that winds up be placed horizontally on moulding bed, using tensioning equipment and adjust sleeve, tensioning its Adjacent inner ring strop, after tensioning, the notochord of wind up stiffening ring bar and its inside of the circle, oblique cord, peripheral strut and in Heart strut forms self equilibrium systems；5) cable dome structure that self equilibrium systems are formed obtained in step 4) is promoted near ring beam height, by outmost turns ridge It is fixed at the node of rope and oblique cord with ring beam support, using tensioning equipment and adjusts sleeve, tensioning outmost turns strop, dome structure Forming.
- The Geiger dome structure of stiffening ring bar 2. band according to claim 1 winds up, it is characterised in that: the center Strut is equipped with the adjusting sleeve for adjustment length.
- The Geiger dome structure of stiffening ring bar 3. band according to claim 1 or 2 winds up, it is characterised in that: described Strop is equipped with the adjusting sleeve for adjustment length.
- The Geiger dome structure of stiffening ring bar 4. band according to claim 3 winds up, it is characterised in that: described to wind up Stiffening ring bar surface is outward extended with lug and connecting cleat, and the periphery strut and oblique cord and lug are hinged, and the connection is pressed from both sides Sleeve-board enters notochord, clamps notochord, and then fixed notochord and the stiffening ring bar that winds up by the bolt adjusted on connecting cleat.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710421890.7A CN107034992B (en) | 2017-06-07 | 2017-06-07 | A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201710421890.7A CN107034992B (en) | 2017-06-07 | 2017-06-07 | A kind of band winds up the Geiger dome structure and construction forming method of stiffening ring bar |
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| CN107034992B true CN107034992B (en) | 2019-10-18 |
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| CN109750779B (en) * | 2019-01-17 | 2023-10-31 | 上海海事大学 | Rotary conical surface rib ring type cable dome |
| CN111088867A (en) * | 2019-07-23 | 2020-05-01 | 北京工业大学 | Large-span assembled prestressing force ridge pole ring stay cable dome structural system |
| CN112144725B (en) * | 2020-09-16 | 2022-06-03 | 北京市建筑工程研究院有限责任公司 | Method for forming cable dome structure with limited installation space |
| CN113175088B (en) * | 2021-04-30 | 2022-06-17 | 浙江工业大学 | Sliding cable driven deployable cable dome structure |
| 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 |
| CN114856068B (en) * | 2022-04-11 | 2023-02-03 | 浙江大学 | Cable dome structure adopting continuous ridge cables |
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| JPH01125478A (en) * | 1987-07-23 | 1989-05-17 | L Berger Horst | Cable dome structure in which main cable is arranged along chord |
| JPH10204997A (en) * | 1997-01-27 | 1998-08-04 | Ohbayashi Corp | Cable dome erecting method |
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| CN107034992A (en) | 2017-08-11 |
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