CN107268791B - Combined tension dome structure of rigidity roofing - Google Patents
Combined tension dome structure of rigidity roofing Download PDFInfo
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- CN107268791B CN107268791B CN201710555767.4A CN201710555767A CN107268791B CN 107268791 B CN107268791 B CN 107268791B CN 201710555767 A CN201710555767 A CN 201710555767A CN 107268791 B CN107268791 B CN 107268791B
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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
- E04B1/3211—Structures with a vertical rotation axis or the like, e.g. semi-spherical structures
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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
- E04B7/00—Roofs; Roof construction with regard to insulation
- E04B7/08—Vaulted roofs
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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
- E04G21/12—Mounting of reinforcing inserts; Prestressing
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A40/00—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production
- Y02A40/10—Adaptation technologies in agriculture, forestry, livestock or agroalimentary production in agriculture
- Y02A40/25—Greenhouse technology, e.g. cooling systems therefor
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Abstract
The invention discloses a rigid roof combined tension dome structure which comprises an outer cable truss structure and an inner cable dome structure, wherein the outer cable truss structure comprises an outer ring, a cable truss ridge cable, a cable truss upper ring cable, a cable truss lower ring cable and a cable truss inclined cable, and the inner cable dome structure comprises an inner pull ring and at least one ring of annular assemblies arranged between the inner pull ring and the outer cable truss structure. The invention supports the external cable truss structure through the internal cable dome structure, forms a tension structure by combination, utilizes the stress principle and the structural characteristics of tension cables, the tension cables are tightened, the tension cables are tensioned, and the stay bars are pressed, adopts the annular components to form an annular lateral force resisting system, strengthens the capacity of the structure for resisting torsion and asymmetric load, well makes up the defects of poor torsion resistance and poor plane external stability caused by not adopting a tension membrane roof, and simultaneously can reduce the span of a roof system by adopting a denser structural arrangement than the internal cable dome structure, thereby being beneficial to paving a rigid roof. The invention is suitable for various environments and has wider applicability in large public buildings such as gymnasiums and the like.
Description
Technical Field
The invention belongs to the technical field of building engineering, and particularly relates to a rigid roof combined type tension dome structure which can be applied to large-span buildings such as gymnasiums and exhibition halls.
Background
The cable dome structure is a tension structure proposed by American engineer Geiger according to the tension integral structure idea of Fuller. As early as 40 years in the 20 th century, fuller thought that the universe's operation was based on the principle of tensioning the whole, and therefore he assumed that a truly efficient structural system would be a self-balanced system of pressure and tension. In 1984, a student, snelson, completed the first tension integral model, and designed an urban sculpture on the basis of the first tension integral model, and the assumption of Fuller is proved to be recognized as a starting point of the development of a modern tension integral structure. Fuller was thus encouraged and inspired more, and the concept and initial theory of tension integration systems was published in the early 60's of the 20 th century. He described his structural idea in greater detail in the 1962 patent: namely, the pressure state is reduced as much as possible in the structure, so that the structure is in a continuous tension state, thereby realizing the assumption that the pressure rod island exists in the sea of the tension rod, and the Tensegrity concept is proposed for the first time. Since the proposition of the tensegrity concept, various researchers (Emmerich, vilay, pugh, motro, hanaor and the like) have studied tensegrity structures in various structural forms, but such structures have been mainly used for artistic sculptures and model tests for a long time and no functional buildings have appeared.
In 1986, geiger, a famous American engineer, based on the tension integral structure idea of Fuller, invented a cable-rod prestressed dome structure supported on a peripheral compression ring beam, and successfully applied to gymnasiums and fencing halls of Seal Olympic Games. The cable dome is then further developed and used successively in a plurality of large projects, such as georgia dome in the united states, sky dome in japan, larpaga stadium in argentina, etc.
Although the cable dome structure is developed rapidly abroad, the development in China is relatively lagged, on one hand, the cable dome structure is caused by great technical difficulty, on the other hand, the cable dome roof covering material is usually made of a film material, and the film material has the advantages of good permeability and the like, but limits the form of a building, is sensitive to wind load, has high requirements on environment, cannot be used for hanging other loads at will, has high cost, and reduces the application range of the cable dome. If the cable dome is made of rigid roof covering materials, the application range of the cable dome is expanded, the manufacturing cost of the cable dome structure is greatly reduced, and the cable dome is favorable for popularization.
Disclosure of Invention
The invention aims to: aiming at the problems, the tension dome structure has the advantages of direct force transmission, good rigidity, good stability and simple structure, and is suitable for laying a rigid roof.
The technical scheme of the invention is realized in the following manner: a combined tension dome structure of rigidity roofing which characterized in that: comprises an outer cable truss structure and an inner cable dome structure;
the external cable truss structure comprises an outer ring, a cable truss ridge cable, a cable truss upper ring cable, a cable truss lower ring cable and a cable truss inclined cable, wherein one end of the cable truss ridge cable is connected with an outer ring pivot, the other end of the cable truss ridge cable is connected with the cable truss upper ring cable, one end of the cable truss inclined cable is connected with the outer ring pivot, the other end of the cable truss inclined cable is connected with the cable truss lower ring cable, the cable truss ridge cable and the cable truss inclined cable are radially arranged, a plurality of vertically arranged cable truss support rods are arranged between the cable truss upper ring cable and the cable truss lower ring cable, and the cable truss support rods are arranged between the corresponding cable truss ridge cable and the cable truss inclined cable;
the inner cable dome structure comprises an inner pull ring and at least one ring of annular assemblies arranged between the inner pull ring and an outer cable truss structure, the annular assemblies divide the space between the inner pull ring and the outer cable truss structure into at least two-stage structures, cable dome ridge cables radially arranged are arranged between the inner pull ring and the outer cable truss structure, one end of each cable dome ridge cable is connected with the inner pull ring, the other end of each cable dome ridge cable is connected with an upper ring cable of the cable truss structure of the outer cable truss structure, the middle of each cable dome ridge cable is connected with the upper end of the corresponding annular assembly, cable dome inclined cables are arranged between the annular assemblies and the upper ring cables of the cable truss structures and between the annular assemblies and the inner pull ring, if the annular assemblies are multiple rings, cable dome inclined cables are arranged between adjacent annular assemblies, and the cable dome inclined cables are radially arranged.
The invention relates to a rigid roof combined tension dome structure, wherein a hoop component comprises a cable dome ring cable and a cable dome stay rod, an inner ring cable is arranged below an inner pull ring, a plurality of vertically arranged inner stay rods are arranged between the inner pull ring and the inner ring cable, the middle part of the cable dome stay cable is connected with the upper end of the cable dome stay rod of a corresponding hoop component, one end of the cable dome inclined cable at the innermost ring is connected with the inner ring cable, the other end of the cable dome inclined cable at the innermost ring is connected with the upper end of the cable dome stay rod of the corresponding hoop component, one end of the cable dome inclined cable at the outermost ring is connected with an upper ring cable of a cable truss, the other end of the cable dome inclined cable at the outermost ring is connected with the cable dome ring cable of the corresponding hoop component, if the hoop component is multi-ring, one end of the cable dome inclined cable at the middle part is connected with the upper end of the cable dome stay rod of the hoop component close to the outer ring, and the other end of the cable dome inclined cable dome stay cable at the inner ring is connected with the cable dome ring of the hoop component close to the inner ring.
According to the rigid roof combined tension dome structure, continuous cable dome ring rods are arranged above the cable dome ring cables, the cable dome support rods are vertically arranged between the cable dome ring rods and the cable dome ring cables, and cable dome cross support cables are arranged between the cable dome ring rods and the cable dome ring cables and between the inner pull rings and the inner ring cables of each annular assembly at intervals.
The cable dome ring cable, the lower end part of the cable dome stay rod and the inner end part of the corresponding cable dome inclined cable are connected together through the ring cable node connecting member.
According to the rigid roof combined tension dome structure, cable truss cross supporting cables are arranged between the cable truss upper ring cables and the cable truss lower ring cables.
According to the rigid roof combined tension dome structure, the external fulcrum of the outer ring is in a pressure ring structure form.
According to the rigid roof combined type tension dome structure, the cable dome ridge cables are arranged in a penetrating manner in the radial direction from the inner pull ring to the cable truss upper ring cables in an integral structure or a sectional structure, the cable dome inclined cables which are arranged in a multi-ring mode are arranged below the corresponding cable dome ridge cables, and the cable dome supporting rods are arranged between the corresponding cable dome ridge cables and the cable dome inclined cables.
The invention relates to a rigid roof combined tension dome structure, wherein a roof of the cable dome structure is covered by a rigid roof system, an auxiliary structure for supporting the rigid roof comprises cable dome main purlins arranged at the top ends of cable dome supporting rods of an annular assembly along cable dome ridge cables and cable truss main purlins arranged at the top ends of cable truss supporting rods along cable truss ridge cables, the cable dome main purlins and the cable truss main purlins are radially arranged, secondary purlins are respectively arranged between the cable dome main purlins and between the cable truss main purlins, and the secondary purlins are annularly arranged in a plurality of circles.
According to the rigid roof combined tension dome structure, a roof of the cable dome structure is covered by a rigid roof system, an auxiliary structure for supporting the rigid roof comprises a plurality of circles of annularly arranged cable dome annular purlins and cable truss annular purlins, the cable dome annular purlins are directly connected to cable dome ridge cables through purlin connecting pieces, and the cable truss annular purlins are directly connected to the cable truss ridge cables through the purlin connecting pieces.
The invention supports the external cable truss structure through the internal cable dome structure, forms a tensioning structure by combination, utilizes the stress principle and the structural characteristics of the tensioning cable, the tensioning cable is tensioned, and the stay bar is pressed, adopts the annular components to form an annular lateral force resisting system, strengthens the capacity of resisting torsion and asymmetric load of the structure, well makes up the defects of poor torsion resistance and poor out-of-plane stability caused by not adopting a tensioning membrane material, and is beneficial to paving a rigid roof. The invention has the advantages of direct structure force transfer, full play of the high strength characteristic of the stay cable, high material utilization rate, good rigidity, good stability, simple structure, quick construction and the like, and simultaneously, the adopted rigid roof has mature technology and lower price, is suitable for various environments and has wider applicability in large public buildings such as gymnasiums and the like.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a top view of the present invention.
Fig. 3 is a schematic view of the combination of the outer cable truss structure and the inner cable dome structure of the present invention.
Fig. 4 is a partially enlarged view of the present invention.
Fig. 5 is a schematic view of a cable dome ridge node connection in the internal cable dome structure of the present invention.
Fig. 6 is a schematic view of the connection structure at a cable node of the cable dome loop in the internal cable dome structure of the present invention.
FIG. 7 is a schematic view of a cable dome ridge cable having a connector for connecting to an annular purlin of a cable dome in an internal cable dome structure of the present invention.
The labels in the figure are: the cable truss joint connection structure comprises an outer ring 1, a cable truss ridge cable 2, a cable truss upper ring cable 3, a cable truss lower ring cable 4, a cable truss inclined cable 5, a cable truss brace 6, a cable truss cross support cable 7, an inner pull ring 8, a cable dome ridge cable 9, a cable dome inclined cable 10, a cable dome ring cable 11, a cable dome brace 12, an inner ring cable 13, an inner brace 14, a cable dome ring rod 15, a cable dome cross support cable 16, a ridge cable joint connection member 17, a ring cable joint connection member 18 and a purlin connection member 19.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings.
In order to make the objects, technical solutions and advantages of the present invention more apparent, the following description of the present invention with reference to the accompanying drawings and embodiments will be made in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and do not limit the invention.
As shown in fig. 1-4, a rigid roofing combination tension dome structure includes an outer cable truss structure and an inner cable dome structure.
The external cable truss structure comprises an outer ring 1, a cable truss ridge cable 2, a cable truss upper ring cable 3, a cable truss lower ring cable 4 and a cable truss inclined cable 5, wherein an external fulcrum of the outer ring 1 adopts a structural form of a pressure ring to form a self-balancing system, one end of the cable truss ridge cable 2 is connected with the fulcrum of the outer ring 1, the other end of the cable truss ridge cable is connected with the cable truss upper ring cable 3, one end of the cable truss inclined cable 5 is connected with the fulcrum of the outer ring 1, the other end of the cable truss inclined cable is connected with the cable truss lower ring cable 4, the cable truss ridge cable 2 and the cable truss inclined cable 5 are radially arranged, a plurality of vertically arranged cable truss support rods 6 are arranged between the cable truss upper ring cable 3 and the cable truss lower ring cable 4, the cable truss support rods 6 are arranged between the corresponding cable truss ridge cable 2 and the cable truss inclined cable 5, and a cable truss cross support cable 7 is arranged between the cable truss upper ring cable 3 and the cable truss lower ring cable 4.
The inner cable dome structure comprises an inner pull ring 8 and at least one ring of annular components arranged between the inner pull ring 8 and an outer cable truss structure, the annular components divide the space between the inner pull ring 8 and the outer cable truss structure into at least two-stage structures, cable dome ridge cables 9 radially arranged are arranged between the inner pull ring 8 and the outer cable truss structure, one end of each cable dome ridge cable 9 is connected with the inner pull ring 8, the other end of each cable dome ridge cable is connected with a cable truss upper ring cable 3 of the outer cable truss structure, the middle of each cable dome ridge cable 9 is connected with the upper end of the corresponding annular component, cable dome inclined cables 10 are respectively arranged between the annular components and the cable truss upper ring cables 3 and between the annular components and the inner pull ring 8, if the annular components are multiple rings, cable dome inclined cables 10 are arranged between adjacent annular components, the cable dome inclined cables 10 are radially arranged, the cable dome ridge cables 9 are of an integral structure or a sectional type structure and are arranged from the inner pull ring cables 8 to the cable truss upper ring cables 3 in a radial direction, and the multiple rings of the dome inclined cables 10 are arranged below the corresponding dome inclined cables 9 in a radial direction.
Wherein, the annular assembly comprises a cable dome annular cable 11 and a cable dome stay 12, a continuous cable dome annular cable 15 is arranged above the cable dome annular cable 11, the cable dome stay 12 is vertically arranged between the cable dome annular cable 15 and the cable dome annular cable 11 and is positioned between the corresponding cable dome ridge cable 9 and the cable dome inclined cable 10, an inner annular cable 13 is arranged below the inner pull ring 8, a plurality of vertically arranged inner stay bars 14 are arranged between the inner pull ring 8 and the inner annular cable 13, the middle part of the cable dome ridge cable 9 is connected with the upper end of the cable dome stay 12 of the corresponding annular assembly, one end of the cable dome inclined cable 10 of the innermost ring is connected with the inner annular cable 13, the other end of the cable dome inclined cable of the innermost ring is connected with the upper end of the cable dome stay 12 of the corresponding annular assembly, if the annular assembly is a plurality of rings, one end of the cable dome inclined cable 10 of the middle part is connected with the annular cable 12 of the annular assembly of the truss, the other end of the cable dome inclined cable dome stay bar of the outermost ring is connected with the cable dome annular cable dome assembly of the annular cable dome, and the annular cable dome stay bar 12 of the annular cable of the annular assembly is connected with the inner ring 13, and the annular cable dome inclined cable 10 of the annular cable dome assembly is arranged between the inner ring 14 and the inner ring 16 of the inner ring assembly, and the inner ring cable dome inclined cable dome assembly, and the inner ring 14, if the annular cable dome inclined cable dome assembly is arranged at intervals, and the annular cable dome inclined cable of the annular cable of the inner ring assembly, and the annular cable dome inclined cable of the annular cable 11.
As shown in fig. 5, the cable dome ring rods 15, the upper ends of the cable dome stay rods 12, the cable dome stays 9, and the outer ends of the corresponding cable dome stay cables 10 are connected together by a stay node connecting member 17; as shown in fig. 6, the cable dome reeds 11, the lower ends of the cable dome struts 12, and the inner ends of the corresponding cable dome stay wires 10 are connected together by a reeve node connecting member 18. All the components are connected in a hinged mode.
In this embodiment, the roof of the cable dome structure is covered with a rigid roofing system, such as upright lockrand panels, aluminum panels, or the like. A attached structure for supporting rigid roofing includes the main purlin of cable dome that sets up along cable dome ridge 9 on the 12 tops of cable dome vaulting pole of hoop subassembly and the main purlin of cable truss that sets up along cable truss ridge 2 on 6 tops of cable truss vaulting pole, the main purlin of cable dome and the main purlin of cable truss all are radial arrangement be provided with inferior purlin between the main purlin of cable dome and between the main purlin of cable truss respectively, inferior purlin is many rings of hoop arrangements.
As another structure, shown in fig. 7, the attachment structure for supporting a rigid roof includes a plurality of rings of annularly arranged cable dome annular purlins directly connected to the cable dome ridge 9 by purlin connectors 19, and cable truss annular purlins directly connected to the cable truss ridge 2 by purlin connectors 19.
The external cable truss structure can be used for encrypting cable truss ridge cables and cable truss inclined cables, so that the span of rigid roof purlines at the outermost periphery can be reduced, and the self weight of the roof can be reduced.
The invention has the following stress principle and structural characteristics: the inner cable dome is supported by the outer cable truss structure and combined to form a tension structure. The stay cable is tensioned by stretching the stay cable, the stay cable is tensioned, and the stay bar is pressed. When a downward load is applied, the internal force of the inclined cable and the lower ring cable is increased, the internal force of the ridge cable is reduced, and the external load is resisted; when the load is upwards loaded, the internal force of the ridge cable and the upper ring cable is increased, the internal force of the inclined cable and the lower ring cable is reduced, and the external load is resisted. The crossed supporting cables, the ring rods and the ring cables form a circumferential lateral force resisting system, the capacity of resisting torsion and asymmetric load of the structure is enhanced, the defects of poor torsion resistance and poor out-of-plane stability caused by the fact that a stretching film material is not adopted are well overcome, meanwhile, the external cable truss structure can be arranged in a structure which is denser than the internal cable dome structure, the span of a roof system can be reduced, and the rigid roof is favorably paved.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. A combined tension dome structure of rigidity roofing which characterized in that: comprises an outer cable truss structure and an inner cable dome structure;
the external cable truss structure comprises an outer ring (1), a cable truss ridge cable (2), a cable truss upper ring cable (3), a cable truss lower ring cable (4) and a cable truss inclined cable (5), one end of the cable truss ridge cable (2) is connected with a fulcrum of the outer ring (1), the other end of the cable truss ridge cable is connected with the cable truss upper ring cable (3), one end of the cable truss inclined cable (5) is connected with the fulcrum of the outer ring (1), the other end of the cable truss ridge cable is connected with the cable truss lower ring cable (4), the cable truss ridge cable (2) and the cable truss inclined cable (5) are radially arranged, a plurality of vertically arranged cable truss support rods (6) are arranged between the cable truss upper ring cable (3) and the cable truss lower ring cable (4), and the cable truss support rods (6) are arranged between the corresponding truss ridge cable (2) and the cable truss inclined cable (5);
the inner cable dome structure comprises an inner pull ring (8) and at least one circle of annular assemblies arranged between the inner pull ring (8) and an outer cable truss structure, an inner ring cable (13) is arranged below the inner pull ring (8), the annular assemblies divide the space between the inner pull ring (8) and the outer cable truss structure into at least two stages of structures, cable dome ridge cables (9) radially arranged are arranged between the inner pull ring (8) and the outer cable truss structure, one end of each cable dome ridge cable (9) is connected with the inner pull ring (8), the other end of each cable dome ridge cable is connected with an upper cable ring (3) of a cable truss of the outer cable truss structure, the middle part of each cable dome ridge cable (9) is connected with the upper end of the corresponding annular assembly, dome cable inclined cables (10) are respectively arranged between the annular assemblies and the upper cable rings (3) of the cable truss structures and between the annular assemblies and the inner pull rings (8), if the annular assemblies are multi-ring, inclined dome cable dome cables (10) are arranged between adjacent annular assemblies, the dome cable inclined cables (10) are radially arranged, and the number of the dome ridge cables (9) is larger than that the dome inclined cables (2) are arranged;
the annular assembly comprises a cable dome annular cable (11) and a cable dome stay bar (12), and a continuous cable dome annular bar (15) is arranged above the cable dome annular cable (11); the cable dome supporting rods (12) are vertically arranged between the cable dome ring rods (15) and the cable dome ring cables (11), cable dome cross supporting cables (16) are arranged between the cable dome ring rods (15) and the cable dome ring cables (11) of each annular assembly at intervals and between the inner pull rings (8) and the inner ring cables (13), and cable truss cross supporting cables (7) are arranged between the cable truss upper ring cables (3) and the cable truss lower ring cables (4);
the cable dome ring rods (15), the upper end parts of the cable dome stay rods (12), the cable dome ridge cables (9) and the outer end parts of the corresponding cable dome stay cables (10) are connected together through ridge cable node connecting members (17), and the cable dome ring cables (11), the lower end parts of the cable dome stay rods (12) and the inner end parts of the corresponding cable dome stay cables (10) are connected together through ring cable node connecting members (18).
2. A rigid roofing composite tension dome structure according to claim 1, wherein: a plurality of inner support rods (14) which are vertically arranged are arranged between the inner pull ring (8) and the inner ring cable (13), the middle part of the cable dome ridge cable (9) is connected with the upper end of a cable dome support rod (12) of the corresponding annular component, one end of the cable dome inclined cable (10) at the innermost ring is connected with the inner ring cable (13), the other end of the cable dome inclined cable is connected with the upper end of the cable dome support rod (12) of the corresponding annular component, one end of the cable dome inclined cable (10) at the outermost ring is connected with the cable truss upper ring cable (3), the other end of the cable dome inclined cable is connected with the cable dome ring cable (11) of the corresponding annular component, if the annular component is multi-ring, one end of the cable dome inclined cable (10) at the middle part is connected with the upper end of the cable dome support rod (12) of the annular component close to the outer ring, and the other end of the cable dome inclined cable (10) at the annular component close to the inner ring is connected with the cable dome ring.
3. A rigid roofing composite tension dome structure according to claim 1, wherein: the external fulcrum of the outer ring (1) adopts the structural form of a pressure ring.
4. A rigid roofing combination type tension dome structure according to claim 2, wherein: the cable dome ridge cable (9) is of an integral structure or a sectional structure and is arranged from an inner pull ring (8) to an upper ring cable (3) of the cable truss in a penetrating mode in the radial direction, cable dome inclined cables (10) which are arranged in a multi-circle mode are arranged below the corresponding cable dome ridge cable (9), and the cable dome supporting rods (12) are arranged between the corresponding cable dome ridge cable (9) and the cable dome inclined cables (10).
5. A rigid roofing combination tension dome structure according to any one of claims 1 to 4, wherein: the cable dome structure is characterized in that the roof of the cable dome structure is covered by a rigid roof system, the auxiliary structure for supporting the rigid roof comprises a cable dome main purline and a cable truss main purline, the cable dome main purline is arranged on the top end of a cable dome supporting rod (12) of the annular assembly along a cable dome ridge cable (9), the cable truss main purline is arranged on the top end of a cable truss supporting rod (6) along a cable truss ridge cable (2), the cable dome main purline and the cable truss main purlines are radially arranged, secondary purlines are arranged between the cable dome main purlines and between the cable truss main purlines respectively, and the secondary purlines are arranged in a multi-circle annular mode.
6. A rigid roofing combination tension dome structure according to any one of claims 1 to 4, wherein: the cable dome structure is characterized in that a roof of the cable dome structure is covered by a rigid roof system, an auxiliary structure for supporting the rigid roof comprises a plurality of rings of annular cable dome purlins and annular cable truss purlins which are arranged annularly, the annular cable dome purlins are directly connected to cable dome ridge cables (9) through purlin connecting pieces (19), and the annular cable truss purlins are directly connected to cable truss ridge cables (2) through the purlin connecting pieces (19).
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