CN113802695A - Spherical reticulated shell roof structure stiffened by crossed cables - Google Patents
Spherical reticulated shell roof structure stiffened by crossed cables Download PDFInfo
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- CN113802695A CN113802695A CN202111010953.2A CN202111010953A CN113802695A CN 113802695 A CN113802695 A CN 113802695A CN 202111010953 A CN202111010953 A CN 202111010953A CN 113802695 A CN113802695 A CN 113802695A
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- ring
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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
- E04B1/342—Structures covering a large free area, whether open-sided or not, e.g. hangars, halls
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
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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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- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Tents Or Canopies (AREA)
- Installation Of Indoor Wiring (AREA)
Abstract
The invention relates to a cross cable system stiffened spherical reticulated shell roof structure, which belongs to the technical field of large-span space structures and comprises ring rods, inhaul cables, radial rods and inclined rods, wherein the ring rods are connected to form a ring, a plurality of groups of rings are concentrically arranged from inside to outside, and the diameters of the rings in each group are different. The rings are fixed by a plurality of radial rods. And a ring rod node is arranged between the radial rod and the circular ring. And a reticulated shell unit is formed between two adjacent groups of circular rings and two adjacent radial rods. The inclined rod is connected and arranged between the inclined ring rod node of each reticulated shell unit and the inclined rod. The inhaul cables are symmetrically arranged on the ring rod nodes of the partial circular rings, and two ends of each inhaul cable are respectively tied and arranged on two non-adjacent ring rod nodes on the same circular ring. The invention omits the use of a brace rod, the force transmission is direct, and the guy cables in the crossed cable system are independent from each other, and the reliability is good.
Description
Technical Field
The invention relates to a cross cable system stiffened spherical reticulated shell roof structure, belonging to the technical field of large-span spatial structures.
Background
Along with the increase of the span of the spherical reticulated shell, the pressure borne by the outermost ring rod piece of the reticulated shell and the support is suddenly increased, so that the inhaul cable is more and more applied to the large-span spherical reticulated shell structure. The prior application mode of the guy cable in the latticed shell structure comprises a rib ring type multi-strut-rod suspended dome, a spoke type single-layer or double-layer mixed cable net structure and an installation method of a spherical building steel structure. The existing structure all has some problems at present, and many vaulting pole string vault of rib ring type are equipped with the vaulting pole, and the construction is comparatively loaded down with trivial details. The stress of the chain lock mainly depends on the ring cable, the force transmission is complex, and the chain lock reaction can cause large-range prestress loss once the ring cable fails, so that the structure is easy to collapse continuously, and the reliability of the structure is poor. The spoke type single-layer and double-layer mixed cable net structure consists of an inner cable net and an outer annular truss, is suitable for buildings with large openings, and has poor applicability to buildings with the requirement of roof sealing. The spherical building steel structure is an installation method of an existing structural system, the structure is an independent latticed shell, and prestress is not applied. In summary, the technical defects of the existing structural form mainly include: (1) the construction is complicated due to the arrangement of the stay bars. (2) The cable force transfer is complex. (3) The stress mainly depends on the ring cable, and the ring cable is easy to cause the continuous collapse of the structure once the ring cable fails.
Disclosure of Invention
Aiming at the defects in the prior art, the invention provides a cross cable system stiffened spherical reticulated shell roof structure, which is used for solving the problems of complex force transmission and continuous collapse of the structure.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides a sphere net shell room lid structure that alternately cable system was stiffened, sphere net shell room lid structure includes loop bar, cable, radial pole and down tube, many the loop bar is connected and is constituted a ring, and multiunit ring sets up by inside to outside with one heart, and each group's ring diameter is different. The multiple groups of rings are fixed through a plurality of radial rods, and then the spherical reticulated shell roof structure is formed. And a ring rod node is arranged between the radial rod and the circular ring. And a reticulated shell unit is formed between two adjacent groups of circular rings and two adjacent radial rods. The inclined rod is connected and arranged between the ring rod node at the upper left corner and the ring rod node at the lower right corner of each reticulated shell unit, or the inclined rod is connected and arranged between the ring rod node at the upper right corner and the ring rod node at the lower left corner of each reticulated shell unit. The inhaul cables are symmetrically arranged on the ring rod nodes of the partial circular rings, and two ends of each inhaul cable are respectively tied and arranged on two non-adjacent ring rod nodes on the same circular ring.
Further, the length of the stay cable is smaller than the diameter of the ring.
Furthermore, in the spherical reticulated shell roof structure, the part of the ring close to the inner center is not provided with the inhaul cable.
Furthermore, in the spherical reticulated shell roof structure, the inhaul cables are arranged on odd groups of circular rings arranged from outside to inside, and the continuous multiple groups of circular rings arranged close to the center of the inside and even groups of circular rings arranged close to the outside from outside to inside are not provided with the inhaul cables.
Furthermore, in the spherical reticulated shell roof structure, the ring of the 1 st group, the 3 rd group, the 5 th group and the 7 th group are provided with the inhaul cable, and each inhaul cable on the ring of the 1 st group and the ring of the 3 rd group which are arranged from outside to inside spans 5 ring rod nodes, and each inhaul cable on the ring of the 5 th group and the ring of the 7 th group which are arranged from outside to inside spans 2 ring rod nodes.
Furthermore, in the spherical reticulated shell roof structure, no inhaul cable is arranged on n groups of circular rings close to the inner center, n is int (the total number of circular ring groups in the spherical reticulated shell roof structure/2) -1, and int is an integer function.
Furthermore, the stay cable and the ring are positioned on the same horizontal plane, and the stay cable is used as a string of the ring; the inhaul cable is arranged on each circular ring or alternatively arranged on partial circular rings at intervals according to actual stress requirements.
Furthermore, in the ring provided with the inhaul cables, all ring rod nodes are symmetrically tied with the inhaul cables, and the number and the length of the ring rod nodes at intervals of each inhaul cable on the same ring are equal.
Furthermore, the stay cable and the stay cable adopt a U-shaped clamp connection form or a lap joint form of a bidirectional stay cable; and the stay cable and the ring rod node are connected by a node steel plate.
Further, when the lap joint mode is adopted, a plastic leather pipe is sleeved on the inhaul cable at the cross part to reduce the abrasion of the inhaul cable.
Compared with the prior art, the invention has the following beneficial effects:
compared with the prior art, the stay cable is directly connected with the ring rod node, so that the stress of the ring rod and the thrust of the structure to the support are effectively reduced, and the stay cable is simple and direct in force transmission. The independent work of each guy cable does not influence each other, and if a certain guy cable fails, the influence on the rest guy cables and the whole structure is small, and the structure cannot collapse continuously. In addition, the invention combines the crossed cable system and the spherical reticulated shell, omits the use of a stay bar, and the stay cable is directly connected with the node of the ring bar, so that the force transmission is direct, and the stay cables in the crossed cable system are independent from each other, thereby having good reliability.
Drawings
FIG. 1 is a 45 degree top view of the cross-rigged stiffened spherical reticulated shell roof structure of the present invention.
FIG. 2 is a top view of the present invention.
Fig. 3 is a front view of fig. 2.
Fig. 4 is a sectional view a-a of fig. 2.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Example 1
Referring to fig. 1-4, the cross cable system stiffened spherical reticulated shell roof structure of the invention comprises ring rods 1, inhaul cables 2, radial rods 3 and inclined rods 4, wherein a plurality of ring rods 1 are connected to form a ring 5, a plurality of groups of rings 5 are concentrically arranged from inside to outside, and the diameters of the rings 5 are different. The rings 5 are fixed by a plurality of radial rods 3 to form a spherical reticulated shell roof mechanism. And a ring rod node 6 is arranged between the radial rod 3 and the circular ring 5. And a reticulated shell unit is formed between two adjacent groups of circular rings 5 and two adjacent radial rods 3. An inclined rod 4 is connected between the ring rod node 6 at the upper left corner of each reticulated shell unit and the ring rod node 6 at the lower right corner, or an inclined rod 4 is connected between the ring rod node 6 at the upper right corner of each reticulated shell unit and the ring rod node 6 at the lower left corner. Inhaul cables 2 are symmetrically arranged on ring rod nodes 6 of the partial rings 5, two ends of each inhaul cable 2 are respectively tied and arranged on two non-adjacent ring rod nodes 6 of the same ring 5, and the rings 5 with the inhaul cables 2 and the rings 5 without the inhaul cables 2 are alternately arranged at intervals. The inhaul cable 2 and the ring 5 are located on the same horizontal plane, and the inhaul cable 2 can be used as a string of the ring 5. In the ring 5 that sets up cable 2, all its ring pole nodes 6 equal symmetry drawknot have cable 2, and every 2 spaced ring pole nodes 6's of cable quantity and length homoenergetic on same ring 5.
As shown in fig. 1-4, the inhaul cable 2 is arranged on the partial circular ring 5 at intervals according to actual stress requirements. In this embodiment, as shown in fig. 2, the length of the cable 2 is smaller than the diameter of the ring 5, and it cannot directly cross the ring 5. As shown in fig. 2, the rings 5 of the spherical reticulated shell roof structure are 12 groups, wherein the groups 1, 3, 5 and 7 are provided with the guy cable 2, and the rings 5 of the other groups are not provided with the guy cable 2, i.e. the continuous groups 5 of rings 5 near the inner center and the groups 2, 4 and 6 are not provided with the guy cable 2 near the outer side.
In addition, each guy cable 2 on the 1 st and 3 rd groups of circular rings 5 arranged from outside to inside spans 5 ring rod nodes 6, and each guy cable 2 on the 5 th and 7 th groups of circular rings from outside to inside spans 2 ring rod nodes 6.
In the embodiment, the guy cable 2 and the guy cable 2 adopt a U-shaped clamp connection form or a lap joint form of a bidirectional guy cable; and the inhaul cable 2 and the ring rod node 6 are connected by a node steel plate. When the lap joint mode is adopted, the plastic leather pipe is sleeved on the inhaul cable 2 at the cross part to reduce the abrasion of the inhaul cable 2.
Example 2
In this embodiment, the stay cable 2 is disposed on each ring 5 according to actual force requirements (not shown in the figure). Other structures are connected with the same embodiment 1 and are not described in detail here.
The above embodiments are only preferred embodiments of the present invention, but are not limited to the above embodiments, and it should be understood that various changes, modifications, substitutions and alterations can be made by those skilled in the art without departing from the principle and spirit of the present invention, and fall within the protection scope of the present invention.
Claims (10)
1. A cross cable system stiffened spherical reticulated shell roof structure comprises ring rods (1), inhaul cables (2), radial rods (3) and inclined rods (4), wherein the ring rods (1) are connected to form a ring (5), a plurality of groups of rings (5) are concentrically arranged from inside to outside, and the diameters of the rings (5) are different; the multiple groups of rings (5) are fixed through a plurality of radial rods (3) to form the spherical reticulated shell roof structure; a ring rod node (6) is arranged between the radial rod (3) and the circular ring (5); the method is characterized in that: a reticulated shell unit is formed between two adjacent groups of circular rings (5) and two adjacent radial rods (3); the inclined rod (4) is connected and arranged between the ring rod node (6) at the upper left corner and the ring rod node (6) at the lower right corner of each reticulated shell unit, or the inclined rod (4) is connected and arranged between the ring rod node (6) at the upper right corner and the ring rod node (6) at the lower left corner of each reticulated shell unit; the inhaul cables (2) are symmetrically arranged on the ring rod nodes (6) of the partial circular rings (5), and two ends of each inhaul cable (2) are respectively tied and arranged on two non-adjacent ring rod nodes (6) on the same circular ring (5).
2. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 1, wherein: the length of the inhaul cable (2) is smaller than the diameter of the ring (5).
3. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 2, wherein: in the spherical reticulated shell roof structure, the part of the circular ring (5) close to the center of the interior is not provided with the inhaul cable (2).
4. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 3, wherein: in the spherical reticulated shell roof structure, the inhaul cables (2) are arranged on odd groups of rings (5) arranged from outside to inside, and the inhaul cables (2) are not arranged on continuous groups of rings (5) arranged close to the center of the inside and even groups of rings (5) arranged close to the outside from outside to inside.
5. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 4, wherein: in the spherical reticulated shell roof structure, the 1 st group, the 3 rd group, the 5 th group and the 7 th group of rings (5) are provided with the stay cable (2), and the 1 st group and the 3 rd group of rings (5) are provided with the stay cable (2) in a crossing manner by the outer ring and the inner ring, so that the ring rod nodes (6) are provided with the 5 th group and the 7 th group of rings in a crossing manner by the outer ring and the 5 th group of rings and the 2 th group of rings in a crossing manner by the outer ring and the 7 th group of rings, so that the ring rod nodes (6) are provided with the same structure.
6. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 1, wherein: in the spherical reticulated shell roof structure, n groups of rings (5) close to the inner center are not provided with inhaul cables (2), n is int (the total number of groups of rings/2 in the spherical reticulated shell roof structure) -1, and int is an integer function.
7. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 1, wherein: the stay cable (2) and the ring (5) are positioned on the same horizontal plane, and the stay cable (2) is used as a string of the ring (5); the inhaul cable (2) is arranged on each circular ring (5) according to actual stress requirements or alternatively arranged on partial circular rings (5) at intervals.
8. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 1, wherein: set up cable (2) in ring (5), all its ring pole nodes (6) all symmetry be articulated cable (2), and every on same ring (5) the quantity and the length of cable (2) spaced ring pole node (6) are all equal.
9. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 1, wherein: the guy cable (2) and the guy cable (2) adopt a U-shaped clamp connection form or a lap joint form of a bidirectional guy cable; and the inhaul cable (2) and the ring rod node (6) are connected by a node steel plate.
10. A cross-rigged stiffened spherical reticulated shell roof structure according to claim 9, wherein: when the lap joint mode is adopted, the plastic leather pipe is sleeved on the inhaul cable (2) at the cross part to reduce the abrasion of the inhaul cable (2).
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| Application Number | Priority Date | Filing Date | Title |
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| CN202111010953.2A CN113802695B (en) | 2021-08-31 | 2021-08-31 | Spherical reticulated shell roof structure stiffened by crossed cables |
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| CN202111010953.2A CN113802695B (en) | 2021-08-31 | 2021-08-31 | Spherical reticulated shell roof structure stiffened by crossed cables |
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| CN113802695A true CN113802695A (en) | 2021-12-17 |
| CN113802695B CN113802695B (en) | 2022-10-11 |
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Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757650A (en) * | 1986-09-30 | 1988-07-19 | Berger Horst L | Cable dome system with main cables oriented along chords |
| CN101255749A (en) * | 2008-03-21 | 2008-09-03 | 河南大学 | Rectangle plane net shell structure and rectangle plane string supporting dome |
| CN101906815A (en) * | 2010-07-19 | 2010-12-08 | 天津大学 | Suspended support arch shell structure |
| CN202324184U (en) * | 2011-10-13 | 2012-07-11 | 中国民航大学 | Steel-wood composite structure Schwedler type single-layer spherical reticulated shell |
| CN103469890A (en) * | 2013-09-26 | 2013-12-25 | 南京林业大学 | Bamboo-structure single-layer spherical latticed shell and assembling method |
| CN105507477A (en) * | 2016-01-19 | 2016-04-20 | 北京工业大学 | Rotary intersection cable system supporting dome structure |
| CN105937327A (en) * | 2016-06-28 | 2016-09-14 | 中国电力工程顾问集团中南电力设计院有限公司 | Steel structure cooling tower containing oppositely-pulling cables |
| CN107201778A (en) * | 2017-06-09 | 2017-09-26 | 东北农业大学 | A kind of oblique rod-pulling type individual layer spherical greenhouse grid shell structure system and its design method |
| CN109972739A (en) * | 2017-12-28 | 2019-07-05 | 烟台大学 | The spherical rib-ring-shaped intersection Suo Cheng latticed shell structure of single layer |
| CN215888789U (en) * | 2021-08-31 | 2022-02-22 | 烟台大学 | Spherical reticulated shell roof structure stiffened by crossed cables |
-
2021
- 2021-08-31 CN CN202111010953.2A patent/CN113802695B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4757650A (en) * | 1986-09-30 | 1988-07-19 | Berger Horst L | Cable dome system with main cables oriented along chords |
| CN101255749A (en) * | 2008-03-21 | 2008-09-03 | 河南大学 | Rectangle plane net shell structure and rectangle plane string supporting dome |
| CN101906815A (en) * | 2010-07-19 | 2010-12-08 | 天津大学 | Suspended support arch shell structure |
| CN202324184U (en) * | 2011-10-13 | 2012-07-11 | 中国民航大学 | Steel-wood composite structure Schwedler type single-layer spherical reticulated shell |
| CN103469890A (en) * | 2013-09-26 | 2013-12-25 | 南京林业大学 | Bamboo-structure single-layer spherical latticed shell and assembling method |
| CN105507477A (en) * | 2016-01-19 | 2016-04-20 | 北京工业大学 | Rotary intersection cable system supporting dome structure |
| CN105937327A (en) * | 2016-06-28 | 2016-09-14 | 中国电力工程顾问集团中南电力设计院有限公司 | Steel structure cooling tower containing oppositely-pulling cables |
| CN107201778A (en) * | 2017-06-09 | 2017-09-26 | 东北农业大学 | A kind of oblique rod-pulling type individual layer spherical greenhouse grid shell structure system and its design method |
| CN109972739A (en) * | 2017-12-28 | 2019-07-05 | 烟台大学 | The spherical rib-ring-shaped intersection Suo Cheng latticed shell structure of single layer |
| CN215888789U (en) * | 2021-08-31 | 2022-02-22 | 烟台大学 | Spherical reticulated shell roof structure stiffened by crossed cables |
Non-Patent Citations (2)
| Title |
|---|
| 张中昊等: "拉索加强式温室单层球面网壳稳定性分析", 《农业工程学报》 * |
| 王秀丽等: "新型拉索―单层柱面网壳结构屈曲荷载分析", 《甘肃科学学报》 * |
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