CN115387466B

CN115387466B - Space structure system capable of being combined by floor type giant arch frame and string grid

Info

Publication number: CN115387466B
Application number: CN202211053097.3A
Authority: CN
Inventors: 区彤; 刘雪兵; 张增球; 刘思为
Original assignee: Architectural Design and Research Institute of Guangdong Province
Current assignee: Architectural Design and Research Institute of Guangdong Province
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2023-09-22
Anticipated expiration: 2042-08-31
Also published as: CN115387466A

Abstract

The application provides a space structure system capable of being combined with a landing-type giant arch frame and string stretching grids, which comprises at least 4 supporting legs, a roof and a stand, wherein the roof is sequentially provided with an inner ring truss and string stretching grids from inside to outside; at least two adjacent supporting legs are provided with sightseeing structures. The application adopts the combination of the inner ring truss and the supporting leg to form the floor type huge arch frame, and is matched with the sightseeing structure to form the suspended building structure capable of being used for people, so that the space structure system has multiple functions, the structure is simple, and the excessive complexity of the building structure is avoided.

Description

Space structure system capable of being combined by floor type giant arch frame and string grid

Technical Field

The application relates to a space structure system combining a human-on-ground type huge arch frame and a string grid, in particular to a space structure system of a stadium.

Background

With the vigorous development of sports buildings, stadium space structure systems with various structural forms are layered endlessly, and the selected structure systems are different according to different modeling and different functional requirements of the buildings. As a large-scale public building, the conditions of complicated modeling, large span and large cantilever can not be avoided, and certain conditions are provided for the model selection and innovation of a structural system. However, in all stadium roofs, there is little need for sightseeing, and a space structure system formed by combining a floor-type giant arch and a string grid is not seen.

Disclosure of Invention

The application provides a space structure system capable of combining a human-on-ground type giant arch frame and a string grid, which is used for realizing sightseeing function in the space structure system.

The application provides a space structure system capable of being combined with a landing-type giant arch frame and string stretching grids, which comprises at least 4 supporting legs, a roof and a stand, wherein the roof is sequentially provided with an inner ring truss and string stretching grids from inside to outside; at least two adjacent supporting legs are provided with sightseeing structures.

Further, the inner ring truss is a triangular stereoscopic truss.

Further, the support legs are lattice columns.

Further, 4 supporting legs are altogether, and one supporting leg is different with the straight line distance of two other adjacent supporting legs, the stand includes bottom stand, high-rise stand, the supporting leg sets up on the bottom stand, the stand is equipped with high-rise stand between two supporting legs that straight line distance is great, the roof still is equipped with a plurality of bracing piece, high-rise stand passes through the bracing piece and links to each other with the outer fringe fixed of string net.

Further, the supporting rods can be selected from a combination of all V-shaped supporting rods or part of V-shaped supporting rods and part of single supporting rods.

Further, the outer side of the string grid of the roof is also provided with a ring-shaped tail truss, and the tail truss is fixedly connected with the outer edge of the string grid.

Still further, the tail truss is a triangular truss structure.

Further, the sightseeing structure comprises a sightseeing corridor structure and a traffic core, wherein the sightseeing corridor is connected with the inner ring truss, and the traffic core is connected with the sightseeing corridor and the stand respectively.

Still further, sightseeing corridor structure includes first vertical truss, second vertical truss, connects secondary beam and roof, first vertical truss, second vertical truss comprises upper chord member, lower chord member and web member, first vertical truss, second vertical truss upper end link to each other with the inner ring truss, first vertical truss, second vertical truss lower extreme link to each other with the secondary beam of connection, the roof links to each other with one of first vertical truss, second vertical truss at least.

Further, the traffic core comprises at least one of sightseeing elevators and evacuation stairs.

Compared with the prior art, the application adopts the combination of the inner ring truss and the supporting leg to form the floor type giant arch frame and is matched with the sightseeing structure to form the suspended building structure capable of being used for people, so that the space structure system has multiple functions, the structure is simple, and the excessive complexity of the building structure is avoided.

Drawings

FIG. 1 is a schematic perspective view of an embodiment of the present application;

FIG. 2 is a schematic view showing the positions of the 4 support legs according to the embodiment of the present application;

FIG. 3 is an enlarged schematic view of a sightseeing corridor according to an embodiment of the present application;

FIG. 4 is a schematic cross-sectional view of a sightseeing corridor according to an embodiment of the present application;

FIG. 5 is a schematic view of a traffic core structure according to an embodiment of the present application;

FIG. 6 is a schematic diagram of an embodiment of the present application;

FIG. 7 is a schematic view of a V-shaped support bar according to an embodiment of the present application;

FIG. 8 is a schematic view of a cable clip structure of a string grid according to an embodiment of the present application;

FIG. 9 is a schematic view of a tail truss structure according to an embodiment of the present application;

FIG. 10 is a schematic diagram of an exploded structure according to an embodiment of the present application.

1. Support legs; 2. a roof; 21. an inner ring truss; 22. string grids; 23. a support rod; 24. tail truss; 3. a stand; 31. a bottom layer stand; 32. high-rise stand; 4. a sightseeing structure; 41. a sightseeing corridor structure; 411. a first vertical truss; 412. a second vertical truss; 413. connecting secondary beams; 414. a roof; 42. a traffic core; 421. sightseeing elevator; 422. evacuation stairs.

Detailed Description

In order that those skilled in the art will better understand the present application, a technical solution of the embodiments of the present application will be clearly and completely described below, and it is apparent that the described embodiments are only some embodiments of the present application, not all embodiments.

The embodiment of the application discloses a space structure system capable of combining a floor type giant arch frame and a string stretching grid, which is shown in fig. 1, and comprises supporting legs 1, a roof 2 and at least 4 stand bars 3, wherein the number of the supporting legs 1 is not less than 4, the roof 2 is sequentially provided with an inner ring truss 21 and string stretching grids 22 from inside to outside, the inner ring truss 21 is arranged on the supporting legs 1 and forms a giant arch frame with the supporting legs 1, the string stretching grids 22 are connected with the inner ring truss 21, ring beams are arranged on the supporting legs 1, and the string stretching grids 22 are connected with the ring beams; at least two adjacent support legs 1 are provided with sightseeing structures 4.

The space structure system of the embodiment of the application is particularly a stadium, the long-direction span of the roof 2 of the stand 3 at the east and west sides exceeds 130m, and the short-direction overhanging exceeds 40m; the span of the south side roof 2 is 70m, the span of the north side roof 2 is 105m, the roof 414 with ultra-large or large span belongs to four surfaces of east, west and north, and the vertical supporting condition is limited (the stadium is used for ensuring ornamental value, so that too many supporting rods 23 cannot be arranged on the inner side of the stadium to support the inner ring of the roof 2), and therefore, the arrangement of the sightseeing structure 4 in the stadium is a great challenge.

The space structure system of the embodiment of the application sequentially comprises a stand 3, supporting legs 1 and a roof 2. In the embodiment of the application, the stadium consists of four support legs 1, namely southeast, southwest, northeast and northwest, and each support leg 1 is a huge lattice column. The inner ring of the roof 2 is a complete giant inner ring truss 21 which falls on 4 giant supporting legs 1, so that the requirement that the four sides of the roof are large-span is met, and a stable floor arch structure is formed. The sightseeing structure 4 is partially suspended above the stand 3 and fixedly connected with two adjacent supporting legs 1. As shown in fig. 8, the upper part of the string grid 22 is an X-shaped crossed steel beam, the lower part is a fixed structure formed by combining a prestress stay cable and V-shaped stay bars, one V-shaped stay bar corresponds to two X-shaped crossed beams, the middle part of the V-shaped stay bar is only provided with a stay bar, the stay cable is connected with the V-shaped stay bar through a locking clamp, and two ends of the stay cable are connected with the ends of the X-shaped steel beam through lugs to form the string grid 22 structure.

The embodiment of the application adopts the combination of the inner ring truss 21 and the supporting leg 1 to form a floor type huge arch frame, and is matched with the sightseeing structure 4 to form a suspended building structure capable of being used for people, so that the space structure system has multiple functions, is simple in structure and avoids excessively complex building structure.

Optionally, the inner ring truss 21 is a triangular stereoscopic truss.

Wherein, the inner ring truss 21 adopts a three-dimensional inverted triangle truss, and forms a complete ring along the inner ring of the roof 2. In the embodiment of the application, the upper width of the triangular stereoscopic truss is 7m, and the truss height is 7m-10m, and the triangular stereoscopic truss is formed by combining an upper chord member, a lower chord member, a diagonal web member and an upper chord web member.

According to the embodiment of the application, the strength of the inner ring truss 21 is improved by adopting the triangular three-dimensional truss, so that a stable giant arch is formed with the supporting leg 1.

Optionally, the supporting leg 1 is a lattice column.

One of the support legs 1 consists of two lattice columns. Therefore, eight huge frame lattice columns are adopted for supporting in total, vertical and horizontal supporting rigidity is provided, and stability of a steel structure of the roof 2 is guaranteed; the huge steel frame lattice column consists of chord members, horizontal web members and inclined web members, and the bottom is connected with the platform column of the stand 3.

Optionally, the number of supporting legs 1 is 4, and one supporting leg 1 is different from the straight line distance of two other adjacent supporting legs 1, stand 3 includes bottom stand 31, high-rise stand 32, supporting leg 1 sets up on bottom stand 31, stand 3 is equipped with high-rise stand 32 between two supporting legs 1 that straight line distance is great, roof 2 still is equipped with a plurality of bracing piece 23, high-rise stand 32 passes through bracing piece 23 and the outer fringe fixed connection of string net 22.

As shown in fig. 2, the 4 supporting legs 1 are respectively arranged in the southeast, southwest, northeast and northwest of the stadium, and one supporting leg 1 is divided into two main truss columns, curtain wall columns and stressed building modeling thighs formed by connecting rods. The truss column is specifically a lattice column and comprises truss chords and truss web members. The spacing between the two support legs 1 on the east side is 137.38m, the spacing between the two support legs 1 on the west side is 137.38m, the spacing between the support legs 1 on the south side is 104.9m, and the spacing between the support legs 1 on the north side is 70m. The bottom floor stand 31 has a ring-shaped structure, and the high floor stand 32 has a fan-shaped structure and is provided between the east and west support legs 1, respectively. In the embodiment of the application, 8 support rods 23 (16 in total) are arranged on the east side and the west side.

According to the embodiment of the application, the high-rise stand 32 and the supporting legs 1 are arranged to support the string stretching grid 22 in an auxiliary manner, the string stretching grid 22 structure is adopted above the stand 3 by utilizing 16 supporting columns behind the stands 3 on the east and west sides and a huge ring truss of the roof, and the floor arch and the string stretching grid are perfectly combined together to form common stress, so that the stability of the string stretching grid 22 is improved.

In particular, the support rods 23 may be selected from all V-shaped support rods 23 or a combination of a part of V-shaped support rods 23 and a part of single support rods 23.

The 16 support rods 23 in the embodiment of the present application are partially V-shaped support rods 23 (fig. 7) and partially single support rods 23 (fig. 6). The rear parts of the high-rise stand 32 on the east and west sides are connected with 16 support rods 23, and the outer edges of the string grids 22 are supported by the upper parts of the support rods 23 to provide vertical support.

In the embodiment of the application, the V-shaped supporting rod 23 is adopted, so that the stability of a triangular structure is utilized, and the vertical supporting performance is improved. In addition, one end of the string grid 22 structure is supported on the giant ring truss of the outer ring of the roof 2, and the other end is supported above the support column of the stand 3, so that a overhanging statically determinate structure in the roof 2 above the stand 3 is avoided. According to the embodiment of the application, the steel structural support of the roof 2 of the east-west stand 3 is that a stable triangular stress system is formed by the inclined column at the upper part of the stand 3 and the inclined column at the rear part and the roof 2 beam, and the overall stability is ensured by the peripheral steel truss and the roof 2 beam laterally; the V-shaped supporting rods 23 above the stands 3 on the east and west sides are connected with the giant triangular truss by adopting a string-stretching grid 22 system, the beam span is 28m-38m, the length of the supporting rods is 3-4m, and the structure stably supports the roof 2 during actual testing.

Optionally, as shown in fig. 9, the roof 2 is further provided with a ring-shaped tail truss 24 at the outer side of the string grid 22, and the tail truss 24 is fixedly connected with the outer edge of the string grid 22.

In particular, the tail truss 24 is a delta truss structure.

Wherein, the tail truss 24 is of a vertical structure, so that the stability of the outer edge of the string grid 22 can be improved.

Optionally, the sightseeing structure 4 comprises a sightseeing corridor structure 41 and a traffic core 42, the sightseeing corridor is connected with the inner ring truss 21, and the traffic core 42 is respectively connected with the sightseeing corridor and the stand 3.

In particular, as shown in fig. 3 and 4, the sightseeing corridor structure 41 includes a first vertical truss 411, a second vertical truss 412, a connection sub-beam 413 and a roof 414, where the first vertical truss 411 and the second vertical truss 412 are composed of an upper chord, a lower chord and a web member, the upper ends of the first vertical truss 411 and the second vertical truss 412 are connected with the inner ring truss 21, the lower ends of the first vertical truss 411 and the second vertical truss 412 are connected with the connection sub-beam 413, and the roof 414 is connected with at least one of the first vertical truss 411 and the second vertical truss 412.

Wherein, first vertical truss 411, the both sides of second vertical truss 412 formation sightseeing corridor structure 41 connect the roof-panel of laying on the secondary beam 413, constitute sightseeing corridor structure 41's top surface and bottom surface structure with roof 414, when actual construction, can set up glass in the vertical truss department towards stadium inboard and outside, make things convenient for the consumer to watch the stadium internal and external circumstances in sightseeing corridor structure 41 department.

According to the embodiment of the application, the two supporting legs 1 and the huge ring truss of the roof are utilized, the vertical truss is arranged, and the supporting structure of the sightseeing corridor is formed by matching with the connection of the secondary beams. The sightseeing corridor structure is divided into a first vertical truss 411, a second vertical truss 412, a connecting secondary beam 413 and a roof 414 structure, the stressed mode is that the roof is supported on the vertical trusses and lateral support is provided, and finally the vertical trusses are transmitted to supporting legs on two sides, so that the need of arranging additional supporting columns at the lower part of the sightseeing corridor structure 41 is avoided, and the whole structure is simplified.

Optionally, as shown in fig. 5, the traffic core 42 includes at least one of sightseeing elevator 421 and evacuation stairs 422.

The traffic core 42 comprises a vertical elevator and stairs, and because the supporting legs 1 are of a structure formed by connecting steel columns, sufficient space is reserved in the traffic core, the traffic core 42 is positioned in one supporting leg 1 and is integrated with the supporting leg 1, and people loading and evacuation functions are realized.

In order to test the stability of the structure of the embodiment of the application, the mode calculation is carried out by adopting a multiple-litz-vector method, 30X-direction vibration modes, 30Y-direction vibration modes and 120Z-direction vibration modes are adopted, and finally, the calculation period, the mass participation coefficient and the structure integral model vibration mode are shown in the following sketch, and the mass participation coefficient in each direction is calculated and displayed to exceed 90 percent, so that the standard requirement is met, and the specific process is shown in the following table.

From the table, the structural design of the embodiment of the application is reasonable, the inner ring truss and the string stretching grid are utilized to form a stable roof structure, the force transmission is realized, 4 supporting legs are effectively utilized, the use of excessive supporting column structures is avoided, the effect of simplifying the structure is achieved, and the sightseeing function is realized.

Finally, it should be noted that the above-mentioned embodiments are only for illustrating the technical solution of the present application and not for limiting the same, and although the present application has been described in detail with reference to the above-mentioned embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made to the specific embodiments of the present application after reading the present specification, and these modifications and variations do not depart from the scope of the application as claimed in the pending claims.

Claims

1. The space structure system is characterized by comprising supporting legs, at least 4 roof covers and a stand, wherein the number of the supporting legs is not less than 4, an inner ring truss and a string stretching grid are sequentially arranged on the roof from inside to outside, the inner ring truss is arranged on the supporting legs and forms a giant arch with the supporting legs, the string stretching grid is connected with the inner ring truss, the supporting legs are provided with ring beams, and the string stretching grid is connected with the ring beams; sightseeing structures are arranged on at least two adjacent supporting legs;

the inner ring truss is a triangular three-dimensional truss;

the supporting legs are lattice columns; the number of the supporting legs is 4;

the roof is further provided with a ring-shaped tail truss outside the string stretching grid, and the tail truss is fixedly connected with the outer edge of the string stretching grid;

the tail truss is of a triangular truss structure;

the sightseeing structure comprises a sightseeing corridor structure, and the sightseeing corridor is connected with the inner ring truss;

the sightseeing corridor structure comprises a first vertical truss, a second vertical truss, a connecting secondary beam and a roof, wherein the first vertical truss and the second vertical truss are composed of an upper chord, a lower chord and a web member, the upper ends of the first vertical truss and the second vertical truss are connected with an inner ring truss, the lower ends of the first vertical truss and the second vertical truss are connected with the connecting secondary beam, and the roof is connected with at least one of the first vertical truss and the second vertical truss;

the sightseeing structure part is suspended above the stand and fixedly connected with the two adjacent supporting legs;

the string grid structure comprises: the upper part is X-shaped crossed steel beams, the lower part is a fixed structure formed by combining a prestress stay cable and V-shaped stay bars, one V-shaped stay bar corresponds to two X-shaped crossed beams, the middle part is only provided with the stay bars, the stay cable is connected with the V-shaped stay bars through locking clamps, and two ends of the stay cable are connected with the ends of the X-shaped steel beams through lug plates.

2. The space structure system of the combination of the landing-type giant arch frame and the string grid, which is characterized in that one supporting leg is different from the other two adjacent supporting legs in linear distance, the stand comprises a bottom-layer stand and a high-layer stand, the supporting legs are arranged on the bottom-layer stand, the stand is provided with the high-layer stand between the two supporting legs with larger linear distance, the roof is also provided with a plurality of supporting rods, and the high-layer stand is fixedly connected with the outer edge of the string grid through the supporting rods.

3. The space structure system of the combination of the floor-type giant arch frame and the string grid, as claimed in claim 2, wherein the supporting rods are all V-shaped supporting rods or are a combination of the V-shaped supporting rods and the single supporting rods.

4. The space structure system of the combination of the floor-type giant arch frame and the string grid for the boarding of the application as claimed in claim 1, wherein the sightseeing structure further comprises a traffic core, and the traffic core is respectively connected with the sightseeing corridor and the stand.

5. The space structure system of combination of a floor-type giant arch and a chord grid for people on the space structure system according to claim 4, wherein the traffic core comprises at least one of sightseeing elevators and evacuation stairs.