Spiral ring belt truss and core column combined structural system and building

Abstract

The invention discloses a spiral girdle truss and core column combined structural system and a building. The structural system comprises a girdle cross-layer truss, a cantilever vertical component and a connecting rod piece. The lower end of the girdle cross-layer truss is fixed, the upper end of the girdle cross-layer truss spirally ascends around a central shaft in a cross-layer manner, and the lower chord of the upper layer girdle and the upper chord of the lower layer girdle are coplanar and partially shared; the cantilever vertical component is located at the center axis of the girdle cross-layer truss, the lower end of the cantilever vertical component is fixed, the interior of the cantilever vertical component is a mounting space of a vertical traffic core, and a mounting space of a multi-layer spiral ramp is arranged between the exterior and the girdle cross-layer truss. The connecting rod pieces are tied between the girdle cross-layer truss and the cantilever vertical components and can provide lateral force for the girdle cross-layer truss with the cantilever vertical components as fulcrums, and the connecting rod pieces are arranged along the path of the multi-layer spiral ramp and serve as supporting components of the multi-layer spiral ramp. The structural system is attractive in appearance, the occupied area of the first floor is small, passage facilities are reserved, the internal space can be released to the maximum extent, the structure is stable, and stress is good.

Description

TECHNICAL FIELD

[0001] The present application belongs to the field of building structure, and particularly relates to a structure system of spiral ring belt truss and core column combination and a building. BACKGROUND

[0002] With the development of society and economy, people's requirements for buildings are not only the functional demand, but also the aesthetic demand of building modeling. For example, buildings such as science and technology museums, cultural centers and exhibition centers begin to use large cantilevered special-shaped curved surface building forms to realize creative modeling. However, the current large cantilevered special-shaped curved surface buildings often have problems such as large first floor area, conflict between traffic facilities and internal space, and small space utilization rate. SUMMARY

[0003] The purpose of the present application is to provide a structure system of spiral ring belt truss and core column combination and a building comprising the structure system. The structure system has an attractive appearance, a small first floor area, reserved traffic facilities, maximized internal space, a stable structure and good stress.

[0004] The technical solution adopted by the present application is as follows: A structure system of spiral ring belt truss and core column combination, comprising a ring belt cross-layer truss, a cantilever vertical component and a connecting rod; the lower end of the ring belt cross-layer truss is fixed, and the upper end spirally rises around the central axis; the lower chord of the ring belt of the upper layer is coplanar with the upper chord of the ring belt of the lower layer and partly shares the same; the cantilever vertical component is located at the central axis of the ring belt cross-layer truss, the lower end is fixed, the inside is the installation space of vertical traffic core, and the outside is the installation space of multilayer spiral ramp between the ring belt cross-layer truss; the connecting rod is connected between the ring belt cross-layer truss and the cantilever vertical component and can provide lateral resistance to the ring belt cross-layer truss with the cantilever vertical component as the fulcrum; the connecting rod is arranged along the path of the multilayer spiral ramp and serves as the supporting component of the multilayer spiral ramp.

[0005] Preferably, the height of each layer of the ring belt cross-layer truss and the size of the rod are adjusted to ensure that the ring belt cross-layer truss has sufficient vertical stiffness to bear vertical load.

[0006] Preferably, the shape and size of the cantilever vertical component are determined according to the shape and size of the vertical traffic core and the multilayer spiral ramp, and the cantilever vertical component has sufficient lateral stiffness to bear lateral load.

[0007] Preferably, in the ring belt cross-layer truss, the rod section of the shared area of the lower chord of the ring belt of the upper layer and the upper chord of the ring belt of the lower layer is larger than that of the front and rear sections.

[0008] Preferably, the cantilever vertical member adopts a reinforced concrete cylinder, a reinforced concrete column, a steel structure cylinder, a steel structure column, a circular section steel pipe column or a box section steel pipe column.

[0009] Preferably, the cantilever vertical member adopts a steel structure column combined by a C-shaped column and a truss, the C-shaped column as a main body and the truss spliced at the top end of the C-shaped column, the C-shaped column spliced by steel plates and gradually expanded outward from bottom to top, and the truss gradually narrowed from bottom to top.

[0010] Preferably, the angle of the upper flange of the connecting rod matches the slope arc of the location.

[0011] Preferably, the node of the connecting rod connected to the belt layer truss is located at the node of the belt layer truss itself, and a reinforcing plate is arranged at the node of the connecting rod on the belt layer truss.

[0012] A building comprising the structural system of the spiral belt truss and the core column combination, the belt layer truss arranged at the outer layer of the building and the building outer surface decoration member selected to be installed or not installed as required, the cantilever vertical member penetrating to the top of the building, the vertical traffic core installed in the cantilever vertical member, and the multi-layer spiral ramp installed between the belt layer truss and the cantilever vertical member.

[0013] Preferably, when the building needs to be provided with a vertical member in the range of the structural system of the spiral belt truss and the core column combination, only a single vertical member is allowed to be arranged in the area of the multi-layer spiral ramp.

[0014] The beneficial effects of the present application are: In the structural system, the design that the belt layer truss spirally rises layer by layer around the cantilever vertical member not only has a beautiful appearance, but also makes the first floor of the building have a smaller area, so that more ground area can be released as greening, square and activity space; in the structural system, the inside of the cantilever vertical member is the installation space of the vertical traffic core, and the space between the outside of the cantilever vertical member and the belt layer truss is the installation space of the multi-layer spiral ramp, which not only reserves the passing facilities, but also maximizes the utilization of the space of the multi-layer spiral ramp to release the internal space and use the two sides of the multi-layer spiral ramp as unique display space; in the structural system, the belt layer truss, the cantilever vertical member and the connecting rod jointly form a structure similar to a spring, the cantilever vertical member at the center and the belt layer truss at the periphery are connected by the connecting rod, wherein the cantilever vertical member is mainly used for resisting lateral force and also can resist vertical force, the belt layer truss is mainly used for resisting vertical force, and as long as the vertical stiffness meets the requirements, the vertical force can be resisted, and the lower chord of the upper belt layer and the upper chord of the lower belt layer in the belt layer truss are coplanar and partially shared, so that the overall vertical stiffness of the belt layer truss can be improved, and the vertical stiffness of the belt layer truss is ensured, so that the structure is stable and well stressed under the combined design. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings needed to be used in the embodiments will be briefly introduced as follows. It should be understood that the following drawings only show some of the embodiments of the present application, and therefore should not be considered as a limitation to the scope. For those skilled in the art, other related drawings can also be obtained without creative effort based on these drawings.

[0016] Figure 1 is a combined schematic diagram of the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0017] Figure 2 is a force schematic diagram of the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0018] Figure 3 is a perspective view of the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0019] Figure 4 is a top view of the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0020] Figure 5 is a front view of the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0021] Figure 6 is a perspective view of the cantilever vertical member in Embodiment 1 of the present application.

[0022] Figure 7 is a perspective view of the ring belt cross-layer truss in Embodiment 1 of the present application.

[0023] Figure 8 is a perspective view of all the connecting rod members in Embodiment 1 of the present application.

[0024] Figure 9 is a vertical displacement result schematic diagram when analyzing the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0025] Figure 10 is a horizontal displacement result schematic diagram when analyzing the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0026] Figure 11 is a first-order natural vibration period result schematic diagram when analyzing the structural system of the spiral ring belt truss combined with the core column in Embodiment 1 of the present application.

[0027] Figure 12is a second order natural vibration period result schematic diagram when the structure system of the spiral ring belt truss and the core column combination is analyzed in embodiment 1 of the present application.

[0028] Figure 13 is a third order natural vibration period result schematic diagram when the structure system of the spiral ring belt truss and the core column combination is analyzed in embodiment 1 of the present application.

[0029] Figure 14 is a result schematic diagram of the elastic buckling factor when the structure system of the spiral ring belt truss and the core column combination is analyzed in embodiment 1 of the present application.

[0030] Figure 15 is a building schematic diagram in embodiment 2 of the present application.

[0031] Figure 16 is a building sectional view in embodiment 3 of the present application.

[0032] In the figure: 10-cantilever vertical member; 11-C-shaped column; 12-truss; 20-ring belt cross-layer truss; 30-linking rod member; 40-architectural outer surface decoration member; 50-vertical member. DETAILED DESCRIPTION

[0033] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme in the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are some embodiments of the present application, but not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0034] Therefore, the following detailed description of the embodiments of the present application provided in the drawings is not intended to limit the scope of the claimed present application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without making creative efforts belong to the scope of protection of the present application.

[0035] It should be noted that: similar numbers and letters represent similar items in the following drawings, therefore, once an item is defined in one drawing, it does not need to be further defined and explained in the subsequent drawings.

[0036] The features and performances of the present application are further described in detail below in combination with the embodiments.

[0037] Embodiment 1 The present embodiment discloses a structure system of a spiral ring belt truss and a core column combination, such as Figure 1 , Figures 3 to 5As shown in the drawings, the structure comprises a ring belt cross-layer truss 20, a cantilever vertical member 10 and a connecting rod 30; wherein: Figure 1 , Figures 3 to 5 , Figure 7 As shown in the drawings, the ring belt cross-layer truss 20 is fixed at the lower end and spirally rises along the central axis at the upper end, and the lower chord of the upper ring belt is coplanar with the upper chord of the lower ring belt and partially shared; as shown in the drawings, Figure 1 , Figures 3 to 6 The cantilever vertical member 10 is located at the central axis of the ring belt cross-layer truss 20, and the lower end is fixed, the inside is the installation space of the vertical traffic core, and the outside is the installation space of the multi-layer spiral ramp between the ring belt cross-layer truss 20; as shown in the drawings, Figure 1 , Figures 3 to 5 , Figure 8 The connecting rod 30 is connected between the ring belt cross-layer truss 20 and the cantilever vertical member 10 and can provide lateral force to the ring belt cross-layer truss 20 with the cantilever vertical member 10 as the fulcrum, and the connecting rod 30 is arranged along the multi-layer spiral ramp path and serves as a support member of the multi-layer spiral ramp.

[0038] In this structural system, the design of the ring belt cross-layer truss 20 spirally rising along the cantilever vertical member 10 not only has a beautiful appearance, but also makes the first floor of the building have a smaller area, thereby releasing more ground area for greening, square and activity space. In this structural system, the inside of the cantilever vertical member 10 is the installation space of the vertical traffic core, and the outside is the installation space of the multi-layer spiral ramp between the ring belt cross-layer truss 20, which not only reserves the passing facilities, but also maximizes the utilization of the internal space, and the two sides of the multi-layer spiral ramp can also be used as unique display space.

[0039] As shown in the drawings, Figure 2 The ring belt cross-layer truss 20, the cantilever vertical member 10 and the connecting rod 30 together form a spring-like structure, the central cantilever vertical member 10 is connected with the peripheral ring belt cross-layer truss 20 through the connecting rod 30, wherein the cantilever vertical member 10 is mainly used for resisting lateral force and also can resist vertical force, the ring belt cross-layer truss 20 is mainly used for resisting vertical force, as long as the vertical stiffness meets the requirements, the vertical force can be resisted, and the lower chord of the upper ring belt in the ring belt cross-layer truss 20 is coplanar with the upper chord of the lower ring belt and partially shared, which can improve the overall vertical stiffness of the ring belt cross-layer truss 20 and ensure the vertical stiffness of the ring belt cross-layer truss 20, therefore, the combined design has stable structure and good stress, and simulation analysis shows that: as shown in the drawings, Figure 9 The maximum vertical displacement is 294.437 mm, which meets the specification requirements; as shown in the drawings, Figure 10 The maximum lateral displacement is 62.344 mm, which meets the specification requirements; as shown in the drawings, Figures 11 to 13As shown, the first and second natural periods are close, and the first three natural periods all meet the specifications; Figure 14 As shown, the elastic buckling factor is 32.043, which meets the specification requirements.

[0040] In this embodiment, preferably, the height of each ring in the ring-stretched truss 20 and the size of the members are adjusted to ensure that the ring-stretched truss 20 has sufficient vertical stiffness to withstand vertical loads.

[0041] In this embodiment, preferably, the shape and size of the cantilever vertical member 10 are determined according to the shape and size of the vertical traffic core and the multi-level spiral ramp, and the cantilever vertical member 10 has sufficient lateral stiffness to withstand lateral loads.

[0042] In this embodiment, preferably: Figure 7 As shown, in the ring-belt multi-layer truss 20, the cross-section of the members in the common area of ​​the lower chord of the upper ring and the upper chord of the lower ring is larger than the cross-section of the members in the front and rear sections, ensuring that the overall vertical stiffness is enhanced.

[0043] In this embodiment, the cantilever vertical member 10 can be a reinforced concrete cylinder, a reinforced concrete column, a steel structure cylinder, a steel structure column, a circular cross-section steel pipe column, or a box-section steel pipe column. It can be freely selected as long as the stiffness requirements and architectural design requirements are met.

[0044] In this embodiment, preferably: Figure 6 As shown, the cantilever vertical member 10 is a steel structure column composed of C-shaped column 11 and truss 12. The C-shaped column 11 serves as the main body, and the truss 12 is spliced ​​on the top of the C-shaped column 11. The C-shaped column 11 is made of steel plates and gradually expands outward from bottom to top, while the truss 12 gradually narrows from bottom to top. This design, which expands first and then narrows from bottom to top, has an excellent architectural effect. More importantly, it can also maintain structural stability and provide a certain vertical support for the ring-shaped cross-layer truss 20.

[0045] In this embodiment, preferably, the upper flange angle of the connecting rod 30 matches the curvature of the ramp at its location, which facilitates the installation of the ring track plate.

[0046] In this embodiment, preferably, the node where the connecting member 30 is connected to the ring-shaped cross-layer truss 20 is located at the node of the ring-shaped cross-layer truss 20 itself, and a reinforcing plate is provided at the node of the connecting member 30 on the ring-shaped cross-layer truss 20 to ensure a reliable connection.

[0047] Example 2 This embodiment discloses a building, such as Figure 15As shown, the structural system comprising the spiral belt truss and core column combination in the above-mentioned embodiment 1, the belt layer truss 20 is arranged on the outer layer of the building and the building surface decoration member 40 is installed or not installed according to the need (the building surface decoration member 40 is installed in this embodiment), the cantilever vertical member 10 penetrates to the top of the building, the vertical traffic core is installed inside the cantilever vertical member 10, and the multi-layer spiral ramp is installed between the belt layer truss 20 and the cantilever vertical member 10. This embodiment can be used in exhibition halls, art galleries, parking lots and other buildings.

[0048] Embodiment 3 This embodiment discloses another building, as shown, Figure 16 which is the same as the area of embodiment 2, when the building needs to be provided with vertical members 50 in the range of the structural system of the spiral belt truss and core column combination, only a single vertical member 50 is allowed to be arranged in the multi-layer spiral ramp area, which fully guarantees the space inside the building. The above-described embodiments are part of the embodiments of the present application, not all. The detailed description of the embodiments of the present application is not intended to limit the scope of the claimed application, but only represents selected embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the present application.

Claims

1. A structural system combining a spiral ring truss and a core column, characterized in that, include: A ring-belt truss spanning multiple layers, with its lower end fixed and its upper end spiraling upwards around a central axis. The lower chord of the upper ring and the upper chord of the lower ring are coplanar and partially shared. The cantilever vertical member is located at the central axis of the ring-belt interlayer truss. Its lower end is fixed, its interior is the installation space for the vertical traffic core, and its exterior, between it and the ring-belt interlayer truss, is the installation space for a multi-layer spiral ramp. The connecting member is connected between the ring-belt interlayer truss and the cantilever vertical member and can provide resistance to lateral forces to the ring-belt interlayer truss with the cantilever vertical member as the fulcrum. It is arranged along the path of the multi-layer spiral ramp and serves as a support platform for the multi-layer spiral ramp.

2. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: By adjusting the height of each ring layer and the size of the members in the ring-stretched truss, the vertical stiffness of the ring-stretched truss is ensured to be sufficient to withstand vertical loads.

3. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: The shape and size of the cantilever vertical member are determined based on the shape and size of the vertical traffic core and the multi-level spiral ramp. The cantilever vertical member has sufficient lateral stiffness to withstand lateral loads.

4. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: In a ring-belt truss, the cross-section of the members in the shared area of ​​the lower chord of the upper ring and the upper chord of the lower ring is larger than the cross-section of the members in the preceding and following sections.

5. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: The cantilever vertical components can be reinforced concrete cylinders, reinforced concrete columns, steel structure cylinders, steel structure columns, circular cross-section steel pipe columns, or box-section steel pipe columns.

6. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: The cantilever vertical members are steel structure columns composed of C-shaped columns and trusses. The C-shaped columns serve as the main body, and the trusses are spliced ​​on the top of the C-shaped columns. The C-shaped columns are made of steel plates and gradually expand outward from bottom to top, while the trusses gradually narrow from bottom to top.

7. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: The upper flange angle of the connecting rod is matched with the ramp curvature at its location.

8. The structural system of spiral ring truss and core column combination as described in claim 1, characterized in that: The nodes connecting the connecting members to the ring-shaped cross-layer truss are located at the nodes of the ring-shaped cross-layer truss itself, and the nodes of the connecting members on the ring-shaped cross-layer truss are equipped with reinforcing plates.

9. A building, characterized in that: The structure includes a combination of a spiral ring truss and a core column as described in any one of claims 1 to 8, wherein the ring cross-layer truss is arranged on the outer layer of the building and may or may not be equipped with exterior decorative components as needed, the cantilever vertical member extends to the top of the building, a vertical traffic core is installed inside the cantilever vertical member, and a multi-layer spiral ramp is installed between the ring cross-layer truss and the cantilever vertical member.

10. The building as described in claim 9, characterized in that: When vertical members are required within the structural system of spiral ring trusses and core columns, only a single vertical member is permitted to be placed in the multi-layer spiral ramp area.

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