Concrete thin-shell structure building

Abstract

The present invention relates to a concrete thin-shell building, comprising: a support structure; a thin-shell structure including a prestressed beam and a shell disposed on the prestressed beam, the end of the prestressed beam being lapped on the top edge of the support structure; a buffer limiting structure including a plurality of seismic isolation bearing bodies, which are distributed between the prestressed beam and the support structure, and the seismic isolation bearing bodies are respectively connected to the prestressed beam and the support structure. It can greatly reduce the adverse effects on the structure caused by the excessive self-weight of the long-span concrete thin-shell structure. In this embodiment, the high-position seismic isolation bearing is mixed with the thin-shell structure system, and large-size spatial thin-shells can be designed on large building structures, giving full play to the advantages of the large size of the thin-shell structure to form buildings with novel and peculiar shapes and adaptable to various planes; the large-area concrete thin-shell structure can transfer loads downward and form a large-range enclosure in space, thus integrating the functions of load-bearing and enclosure and maximizing the advantages of the concrete thin-shell structure.

Description

Technical Field

[0001] The present invention relates to the field of building structure design, in particular to a concrete thin-shell building. Background Art

[0002] In recent decades, with the demand for innovative large-span spatial structures in my country's architectural design, steel spatial structures have been widely used. With the development of society and the advancement of construction technology, people's requirements for architecture have gone beyond simply meeting basic survival and production needs. Instead, they have higher-level demands for architecture—demanding novel and unique forms and pursuing distinctiveness. One of these demands is the demand for building materials. As a result, the large-span concrete shell structure, which was popular in the mid-20th century, has been re-emerged.

[0003] Concrete space shell structures are favored by architects for their rugged, simple texture and strong load-bearing capacity. However, the traditional design method for buildings containing concrete shell structures generally involves connecting the concrete shell structure to the supporting structure below. Concrete shell structures are generally bulky. On the one hand, during an earthquake, they are easily affected by seismic waves transmitted from the supporting structure, bearing horizontal loads and then experiencing large horizontal sway, which poses a risk of detachment from the supporting structure. They cannot provide stable enclosure and are difficult to meet the requirements of seismic design. On the other hand, when the heavy-loaded concrete shell structure transmits force downward, the connection point with the bottom supporting structure is prone to large stress concentration, which poses a great safety hazard and poor reliability, and cannot meet the current high seismic standards. For these reasons, the design size of concrete shell structures cannot be too large, making them unsuitable for large-scale building structures. Summary of the Invention

[0004] Based on this, it is necessary to provide a concrete thin-shell building to address the problems that traditional concrete thin-shell structures are easily detached from the supporting structure and have severe stress concentration.

[0005] A concrete thin shell building, comprising:

[0006] Support structure;

[0007] A thin shell structure comprising a prestressed beam and a shell provided on the prestressed beam, wherein the end of the prestressed beam is overlapped with the top edge of the supporting structure;

[0008] The buffering and limiting structure includes a plurality of seismic isolation bearing bodies distributed between the prestressed beam and the supporting structure, and the seismic isolation bearing bodies are respectively connected to the prestressed beam and the supporting structure.

[0009] The above-mentioned concrete thin shell building has at least the following beneficial technical effects:

[0010] (1) In this embodiment, on the one hand, the buffer and limit structures arranged distributively can deform and absorb seismic waves and reduce the effect of seismic waves from below, evenly reducing the influence of seismic waves and horizontal loads on the upper thin-shell structure. The swaying in the horizontal direction is reduced, and the stability is strong, reducing the risk of detachment. Moreover, when the prestressed beam and the support structure move horizontally relative to each other, the buffer and limit structure can horizontally displace and deform and absorb energy, thereby limiting the relative displacement distance of the connection part between the prestressed beam and the support structure, enhancing the horizontal stability. On the other hand, when the concrete thin-shell structure bears loads, the pressure it receives is evenly distributed to each part of the roof and transmitted to the prestressed beam, and then synchronously buffered and transmitted downward through multiple seismic isolation bearing bodies distributed between the prestressed beam and the support structure. The prestressed beam and the seismic isolation bearing bodies can buffer the stress in sequence. After the load is released, the stress concentration that may occur at the connection part of the concrete thin-shell structure is reduced, thereby improving the reliability of the joint design and improving the internal force distribution of the structure. Through this high-position seismic isolation effect, the adverse effects of the large self-weight of the long-span concrete thin-shell structure on the structure can be greatly reduced.

[0011] (2) In this embodiment, the high-position seismic isolation bearings and the thin-shell structure system are mixedly applied, and the problem of the self-weight of long-span concrete structures will no longer be avoided in high-intensity earthquake areas, expanding the design vision of architects. After adopting this technology, large-sized concrete space thin-shells can be designed on large building structures, giving full play to the advantage of the large size of the concrete thin-shell structure to form buildings with strange and novel shapes and adaptable to various planes; the large-area concrete thin-shell structure can make full use of the material characteristics to evenly distribute the pressure received to each part of the roof and transmit the load downward through the prestressed beam and the buffer and limit structure, with strong bearing capacity and good effect, and can form a stable enclosure with a large range of area in space, thus combining the functions of bearing and enclosure and giving full play to the advantages of the concrete thin-shell structure.

[0012] In one of the embodiments, at least two of the seismic isolation bearing bodies are provided with limit components to make the seismic isolation bearing bodies form limit bearings. The limit components include longitudinal limiters and transverse limiters arranged on the sides of the seismic isolation bearing bodies; the limiting directions of the longitudinal limiters of one of the limit bearings are opposite to those of the longitudinal limiters of at least another limit bearing, and the limiting directions of the transverse limiters of one of the limit bearings are opposite to those of the transverse limiters of at least another limit bearing.

[0013] In one of the embodiments, the limit bearings are distributed between the support structure and the prestressed beam in both the vertical and horizontal directions; the limiting directions of the transverse limiters of the two limit bearings arranged horizontally are opposite, and the limiting directions of the longitudinal limiters of the two limit bearings arranged vertically are opposite.

[0014] In one embodiment, the longitudinal limiter includes two longitudinally adjacent longitudinal limiting portions, and the two longitudinal limiting portions are respectively disposed on the lower surface of the prestressed beam and the upper surface of the support structure; the transverse limiter includes two transversely adjacent transverse limiting portions, and the two transverse limiting portions are respectively disposed on the lower surface of the prestressed beam and the upper surface of the support structure.

[0015] In one embodiment, the limiting portion includes a limiting protrusion integrally cast with the prestressed beam or the support structure.

[0016] In one embodiment, the housing includes a plurality of annular beams arranged side by side and connected longitudinally, and the prestressed beam is disposed between adjacent annular beams.

[0017] In one embodiment, the seismic isolation bearing body includes an upper bearing plate, a lower bearing plate, and a plurality of seismic isolation pads stacked and connected in sequence between the upper bearing plate and the lower bearing plate. The upper bearing plate and the lower bearing plate are respectively fixed to the prestressed beam and the support structure by anchor bars.

[0018] In one embodiment, the seismic isolation bearing body further includes a lead core energy dissipation bearing disposed in the seismic isolation pad and connected to the upper bearing plate and the lower bearing plate at both ends respectively.

[0019] In one embodiment, a steel mesh is provided in the support structure, and the anchor bars sequentially pass through the lower bearing plate and the steel mesh to anchor and connect the lower bearing plate to the support structure.

[0020] In one embodiment, the support structure includes a frame structure or a frame-shear wall structure.

[0021] In one embodiment, the distance between the support structure and the prestressed beam is 250 mm. Description of the Drawings

[0022] Figure 1 The front view of a concrete thin-shell building in one embodiment;

[0023] Figure 2 For Figure 1 The top view of the concrete thin-shell building;

[0024] Figure 3 For Figure 2 The enlarged schematic view of the L position in the concrete thin-shell building;

[0025] Figure 4 For Figure 3 The corresponding front view at the position;

[0026] Figure 5is Figure 4 the left view of

[0027] Figure 6 is Figure 3 the corresponding three-dimensional schematic diagram at the position of

[0028] Figure 7 is Figure 4 the enlarged schematic diagram of the seismic isolation bearing body in

[0029] Figure 8 the schematic diagram of the anchor bar mesh in the support structure.

[0030] In the figure, 100 is the support structure; 110 is the steel bar mesh;

[0031] 200 is the thin shell structure; 210 is the prestressed beam; 220 is the shell; 221 is the ring beam;

[0032] 300 is the buffer and limit structure; 310 is the seismic isolation bearing body; 3101 is the upper bearing plate; 3102 is the lower bearing plate; 3103 is the seismic isolation pad; 3104 is the lead core energy dissipation bearing; 3105 is the anchor bar; 311 is the longitudinal limiter; 311a is the longitudinal limiting part; 312 is the transverse limiter; 312a is the transverse limiting part; 320 is the limit bearing. Specific embodiments

[0033] The present invention will be further described below with reference to the accompanying drawings.

[0034] For the convenience of understanding the present invention, various embodiments defined by the claims of the present invention will be described more comprehensively below with reference to the relevant accompanying drawings. The accompanying drawings show preferred embodiments of the present invention, which include various specific details to facilitate the understanding, but these details should be regarded as merely exemplary. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. Accordingly, those of ordinary skill in the art will recognize that various changes and improvements can be made to the embodiments described herein without departing from the scope of the present invention defined by the appended claims. In addition, for the sake of clarity and conciseness, the description of well-known functions and structures may be omitted.

[0035] It is obvious to those skilled in the art that the following description of various embodiments of the present invention is for the purpose of explanation only and not for limiting the present invention defined by the appended claims.

[0036] Throughout the description and claims of this application document, the words "comprise" and "include" and variations of the words, such as "comprising" and "including", mean "including but not limited to", and are not intended to (and will not) exclude other components, wholes or steps. Features, wholes or characteristics described in connection with a particular aspect, embodiment or example of the present invention will be understood to be applicable to any other aspect, embodiment or example described herein, unless incompatible therewith.

[0037] It should be understood that the singular forms "a", "an" and "the" include plural referents unless the context clearly dictates otherwise. The expressions "comprising" and / or "may comprise" used in the present invention are intended to indicate the presence of corresponding functions, operations or elements, and are not intended to limit the presence of one or more functions, operations and / or elements. Furthermore, in the present invention, the terms "comprising" and / or "having" are intended to indicate the presence of the features, quantities, operations, elements and components disclosed in the application document, or combinations thereof. Therefore, the terms "comprising" and / or "having" should be understood to allow for the additional possibility of the presence of one or more other features, quantities, operations, elements and components, or combinations thereof.

[0038] In the present invention, the expression "or" includes any and all combinations of the words listed together. For example, "A or B" may include A or B, or may include both A and B.

[0039] It should be understood that when an element is referred to as "fixed to" another element, it can be directly on the other element or there may also be an intervening element; when an element is considered to be "connected" or "coupled" to another element, it can be directly or coupled to the other element or there may be intervening elements present simultaneously.

[0040] The "upper", "lower", "left", "right", etc. mentioned in the text are only used to represent the relative positional relationship. When the absolute position of the described object changes, the relative positional relationship may also change accordingly.

[0041] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by those skilled in the technical field to which this invention belongs. It should also be understood that terms (such as those defined in a common dictionary), should be interpreted as having a meaning consistent with the relevant field and the context of this specification, and should not be interpreted in an idealized or overly formal sense unless expressly so defined herein. The term "and / or" used herein includes any and all combinations of one or more of the related listed items.

[0042] In the following description, Figure 2 the left - right extension direction of Figure 2The vertical extension direction is the "lateral direction" in the embodiment.

[0043] As Figure 1 and Figure 2 shown, in an embodiment of the present invention, a concrete thin-shell building is provided, including:

[0044] A support structure 100;

[0045] A thin-shell structure 200, including a prestressed beam 210 and a shell 220 provided on the prestressed beam 210, and the end of the prestressed beam 210 is lapped on the top edge of the support structure 100;

[0046] A buffer and limit structure 300, including a plurality of seismic isolation bearing bodies 310, which are distributed between the prestressed beam 210 and the support structure 100, and the seismic isolation bearing bodies 310 are respectively connected to the prestressed beam 210 and the support structure 100.

[0047] In this embodiment, the large-area thin-shell structure 200 can make full use of the material characteristics to evenly distribute the pressure received to each part of the roof and transmit it to the prestressed beam 210, and then transmit it to the support structure 100 through the distributed buffer and limit structure 300.

[0048] In this embodiment, on the one hand, the distributed buffer and limit structure 300 can deform and absorb seismic waves and reduce the action of seismic waves from below, evenly reducing the influence of seismic waves and horizontal loads received by the upper thin-shell structure 200, reducing the sway in the horizontal direction and having strong stability, reducing the risk of detachment, and when the prestressed beam 210 and the support structure 100 move relatively horizontally, the buffer and limit structure 300 can horizontally stagger and deform and absorb energy to limit the relative movement distance of the connection part between the prestressed beam 210 and the support structure 100, improving the horizontal stability; on the other hand, when the concrete thin-shell structure 200 bears the load, it evenly distributes the pressure received to each part of the roof and transmits it to the prestressed beam 210, and then synchronously buffers and transmits the force downward through the plurality of seismic isolation bearing bodies 310 distributed between the prestressed beam 210 and the support structure 100. The seismic isolation bearing bodies 310 can be distributed at Figure 2 positions A to T. The prestressed beam 210 and the seismic isolation bearing bodies 310 can buffer the stress in sequence, and after the load is released, the stress concentration that may occur at the connection part of the concrete thin-shell structure 200 is reduced, thereby improving the reliability of the joint design and improving the internal force distribution of the structure. Through this high-position seismic isolation effect, the adverse effects of the large self-weight of the long-span concrete thin-shell structure 200 on the structure can be greatly reduced.

[0049] In this embodiment, the high-position isolation bearing and the thin-shell structure 200 system are mixedly applied, and the self-weight problem of long-span concrete structures will no longer be avoided in high-intensity earthquake areas, expanding the design vision of architects. After adopting this technology, large-sized concrete space thin shells can be designed on large building structures, such as Figure 2 The designed ultra-large thin-shell structure 200 has a longitudinal length of 58.8 m and a transverse length of 32.6 m, giving full play to the advantages of the large size of the concrete thin-shell structure 200 to form a building with a novel and peculiar shape and adaptable to various planes; the large-area concrete thin-shell structure 200 can make full use of the material characteristics to evenly distribute the pressure received to each part of the roof and transmit the load downward through the prestressed beam 210 and the buffer limit structure 300, with strong load-bearing capacity and good effect, and can form a stable enclosure with a large area in space, thus integrating the functions of load-bearing and enclosure and bringing the advantages of the concrete thin-shell structure into full play.

[0050] Under the action of extreme strong earthquakes, the horizontal load borne by the thin-shell structure under the action of seismic forces is stronger, and affected by this, the risk of the thin-shell structure falling off the support structure will be further increased. Therefore, referring to Figure 2 and Figure 3 , in some embodiments, at least two of the isolation bearing bodies 310 are provided with limit components so that the isolation bearing bodies 310 form limit bearings 320. The limit components include longitudinal limiters 311 and transverse limiters 312 provided on the sides of the isolation bearing bodies 310. For example, limit components can be provided on the isolation bearing bodies 310 at positions B, I, L, and S to form limit bearings 320. The longitudinal limiter 311 of one of the limit bearings 320 has a limit direction opposite to that of the longitudinal limiter 311 of at least another limit bearing 320. For example Figure 2 the limit direction of the longitudinal limiter 311 of the limit bearing 320 at the L position in Figure 2 is opposite to the limit direction of the longitudinal limiter 311 of the limit bearings 320 at positions B and S. The transverse limiter 312 of one of the limit bearings 320 has a limit direction opposite to that of the transverse limiter 312 of at least another limit bearing 320. For example

[0051] Specifically, more than two limiting supports 320 are provided at the part where the prestressed beam 210 is connected to the support structure 100. The longitudinal limiter 311 and the transverse limiter 312 can limit the thin-shell structure 200 from the longitudinal and transverse directions respectively. Since the limiting directions of the longitudinal limiters 311 of the two limiting supports 320 are opposite, and the limiting directions of the transverse limiters 312 of the two limiting supports 320 are opposite, the thin-shell structure 200 can be effectively and forcibly limited from all directions within the plane. The comprehensive forced limitation can prevent the thin-shell structure 200 from moving in any possible direction, making it more stable and reliable, and reducing the risk of the thin-shell structure 200 falling off the support structure 100.

[0052] In this embodiment, the longitudinal limiter 311 and the transverse limiter 312 are arranged on the side of the seismic isolation bearing body 310. When playing the limiting role, they can block the thin-shell structure 200 to avoid collision between the thin-shell structure 200 and the seismic isolation bearing body 310 when the thin-shell structure 200 moves, thereby protecting the seismic isolation bearing body 310 from being damaged.

[0053] Reference Figure 2 , in some embodiments, the limiting supports 320 are distributed between the frame of the support structure 100 and the prestressed beam 210 in the longitudinal and transverse directions; the limiting directions of the transverse limiters 312 of the two limiting supports 320 arranged in the transverse direction are opposite, and the limiting directions of the longitudinal limiters 311 of the two limiting supports 320 arranged in the longitudinal direction are opposite.

[0054] Exemplarily, limiting supports 320 can be provided at B, I, L, and S. At this time, the limiting directions of the transverse limiters 312 of the two limiting supports 320 arranged in the transverse direction are opposite. For example, the limiting directions of the transverse limiters 312 of the two limiting supports 320 located at B and S are opposite, and the limiting directions of the transverse limiters 312 of the two limiting supports 320 located at I and L are opposite, so as to symmetrically limit the thin-shell structure 200 at both ends in the transverse direction; the limiting directions of the longitudinal limiters 311 of the two limiting supports 320 arranged in the longitudinal direction are opposite. For example, the limiting directions of the longitudinal limiters 311 of the two limiting supports 320 located at L and S are opposite, and the limiting directions of the longitudinal limiters 311 of the two limiting supports 320 located at I and B are opposite, so as to symmetrically limit the thin-shell structure 200 at both ends in the longitudinal direction. In this embodiment, the buffer limiting structure 300 as a whole limits the thin-shell structure 200 symmetrically and balancedly in the longitudinal and transverse directions, and can limit it balancedly during the reciprocating vibration caused by the earthquake, avoiding the rotation or overall offset of the thin-shell structure 200 in the horizontal plane due to asymmetric limiting positions during the earthquake, and ensuring the relative position and relative shape stability between the thin-shell structure 200 and the support structure 100.

[0055] Of course, in some other embodiments, the limit supports 320 can be arranged at other positions among A to T, and each limit support 320 can be distributed between the frame of the support structure 100 and the prestressed beam 210 in both the vertical and horizontal directions, and the functions of this embodiment can be achieved as well.

[0056] Reference Figure 3 , in some embodiments, the longitudinal limiter 311 includes two longitudinally adjacent longitudinal limiting portions 311a, and the two longitudinal limiting portions 311a are respectively arranged on the lower surface of the prestressed beam 210 and the upper surface of the support structure 100; the transverse limiter 312 includes two transversely adjacent transverse limiting portions 312a, and the two transverse limiting portions 312a are respectively arranged on the lower surface of the prestressed beam 210 and the upper surface of the support structure 100. Specifically, when the thin shell structure 200 moves longitudinally, the longitudinal limiting portion 311a on the upper surface of the support structure 100 blocks the longitudinal movement of the thin shell structure 200 by contacting the longitudinal limiting portion 311a on the lower surface of the prestressed beam 210; when the thin shell structure 200 moves transversely, the transverse limiting portion 312a on the upper surface of the support structure 100 blocks the transverse movement of the thin shell structure 200 by contacting the transverse limiting portion 312a on the lower surface of the prestressed beam 210, so that the structure of this embodiment can reliably limit the translation of the thin shell structure 200.

[0057] Reference Figure 6 , in some embodiments, the limiting portion includes a limiting protrusion integrally cast with the prestressed beam 210 or the support structure 100. Specifically, the limiting protrusion is integrally cast with the prestressed beam 210 or the support structure 100, which can ensure that the position of the limiting portion is always firm and stable, and will not fall off from the preset position even in the event of a strong earthquake, so as to continuously play the expected limiting function. It can be understood that in some other embodiments, the limiting protrusion can be separately bonded to the prestressed beam 210 or the support structure 100, which is not limited here; and the limiting portion can adopt various shaped limiting plate structures, which is not limited here either.

[0058] Of course, in some other embodiments, the longitudinal limiter 311 and the transverse limiter 312 can be in the form of limiting rods or damping limiters, which is not limited here.

[0059] Reference Figure 1 , in some embodiments, the shell 220 includes a plurality of annular beams 221 arranged in parallel and connected longitudinally, and the prestressed beam 210 is arranged between adjacent annular beams 221.

[0060] Specifically, the housing 220 is formed by connecting multiple ring beams 221 in parallel. There are a relatively large number of the prestressed beams 210 and the seismic isolation bearing bodies 310 at the ends of the prestressed beams 210, which can absorb seismic waves and horizontal loads as much as possible, and have stronger limiting ability. After arranging multiple ring beams 221, the load borne by the overall housing 220 can be evenly distributed among the multiple ring beams 221. The load borne by each ring beam 221 is the same and has a small value. Therefore, when stressed, the deformation amplitude of each seismic isolation bearing body 310 is small and the deformation degree is consistent, so that the load can be transmitted downward stably and reliably, the stress is released quickly and smoothly, and the bearing capacity is better.

[0061] In this embodiment, the parallel ring beams 221 as a whole form a thin-shell structure 200 in the shape of a large-size cylindrical shell. The ring beams 221 use fair-faced concrete as the inner and outer finishes, which are rough and simple, showing the tension and modern sense of the concrete in a small volume and meeting the modern design requirements.

[0062] Of course, in some other embodiments, the housing 220 can be any one of a circular thin shell, a hyperbolic shallow shell, and a hyperbolic paraboloid housing 220 structure, which is not limited here.

[0063] Reference Figure 7 , in some embodiments, the seismic isolation bearing body 310 includes an upper bearing plate 3101, a lower bearing plate 3102, and a plurality of seismic isolation pads 3103 stacked and connected in sequence between the upper bearing plate 3101 and the lower bearing plate 3102; the upper bearing plate 3101 and the lower bearing plate 3102 are respectively fixed to the prestressed beam 210 and the support structure 100 through anchor bars 3105.

[0064] Specifically, in this embodiment, the seismic isolation pad 3103 has strong deformation ability and has a certain buffering effect, and can absorb the seismic waves transmitted from below. Since it is fixed between the prestressed beam 210 and the support structure 100 through the upper bearing plate 3101 and the lower bearing plate 3102, it can limit the relative movement of the connection part between the prestressed beam 210 and the support structure 100; at the same time, the seismic isolation pad 3103 buffers the stress by transmitting force downward. Further, the seismic isolation pad 3103 is a flat rubber pad.

[0065] Reference Figure 7 , in some embodiments, the seismic isolation bearing body 310 further includes a lead core energy dissipation bearing 3104, which is arranged in the seismic isolation pad 3103 and is connected to the upper bearing plate 3101 and the lower bearing plate 3102 at both ends. The lead core energy dissipation bearing 3104 has a high ability to absorb loads, stronger ability to absorb seismic waves, and at the same time enhances the overall stiffness of the seismic isolation bearing body 310, thereby enhancing the limiting ability.

[0066] Reference Figure 8, in some embodiments, a steel mesh 110 is provided in the support structure 100, and the anchor bars 3105 sequentially pass through the lower bearing plate 3102 and the steel mesh 110 to anchor and connect the lower bearing plate 3102 to the support structure 100. The steel mesh 110 can increase the connection strength between the seismic isolation bearing body 310 and the support structure 100.

[0067] In some embodiments, the support structure 100 includes a frame structure or a frame-shear wall structure. The frame structure or the frame-shear wall structure is a conventional concrete structure system, so that this embodiment can be applied to various types of support structures 100.

[0068] Reference Figure 5 , in some embodiments, the distance between the support structure 100 and the prestressed beam 210 is 250 mm. Keeping an appropriate distance between the support structure 100 and the prestressed beam 210 can leave sufficient deformation space for the relative movement between the two, provide space for the vertical deformation and horizontal dislocation deformation of the buffer limit structure 300, and give full play to the role of buffering and improving stability.

[0069] In the above description, although terms such as "first" and "second" may be used to describe various elements of the present invention, they are not intended to limit the corresponding elements. For example, the above expressions are not intended to limit the order or importance of the corresponding elements. The above expressions are used to distinguish one component from another.

[0070] The terminology set used in the description of the present invention herein is only for the purpose of describing specific embodiments, and is not intended to limit the present invention. The singular expressions include plural expressions, unless there are significant differences in context and scheme.

[0071] The above description is only an exemplary embodiment of the present invention, and is not used to limit the protection scope of the present invention. The protection scope of the present invention is determined by the appended claims.

[0072] Those skilled in the art can understand that the technical features of the above embodiments can be omitted, added or combined in any way. For the sake of brevity of description, not all possible combinations of the technical features in the above embodiments are described. However, as long as the combinations of these technical features do not conflict, and the simple transformation methods that those skilled in the art can think of and the solutions for adapting and functionally transforming the existing technology should be considered to be within the scope described in this specification.

[0073] The embodiments described above merely represent several implementation manners of the present invention. Their descriptions are relatively specific and detailed, but they should not be construed as limitations on the scope of the invention patent. It should be noted that although the present invention has been illustrated and described with reference to various embodiments, for those of ordinary skill in the art, without departing from the concept of the present invention, various modifications and improvements in terms of form and details can still be made, without departing from the scope of the present invention defined by the appended claims. These all fall within the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A concrete thin shell building, characterized in that: include: Support structure; The thin shell structure comprises a prestressed beam and a shell provided on the prestressed beam, wherein the end of the prestressed beam overlaps the top edge of the support structure; the shell comprises a plurality of ring beams arranged in parallel and connected in the longitudinal direction, and the prestressed beam is provided between adjacent ring beams; the thin shell structure is a large-sized spatial thin shell; The buffering and limiting structure includes a plurality of seismic isolation bearing bodies, which are distributed between the prestressed beam and the supporting structure, and the seismic isolation bearing bodies are respectively connected to the prestressed beam and the supporting structure; Among them, at least two of the seismic isolation bearing bodies are provided with limiting assemblies to make the seismic isolation bearing bodies form limiting bearings, and the limiting assemblies include longitudinal limiters and transverse limiters arranged on the sides of the seismic isolation bearing bodies; the longitudinal limiters of one of the limiting bearings are opposite to the limiting direction of the longitudinal limiters of at least another of the limiting bearings, and the transverse limiters of one of the limiting bearings are opposite to the limiting direction of the transverse limiters of at least another of the limiting bearings; the longitudinal limiter includes two longitudinal limiting parts arranged adjacent to each other in the longitudinal direction, and the two longitudinal limiting parts are respectively arranged on the lower surface of the prestressed beam and the upper surface of the supporting structure; the transverse limiter includes two transverse limiting parts arranged adjacent to each other in the transverse direction, and the two transverse limiting parts are respectively arranged on the lower surface of the prestressed beam and the upper surface of the supporting structure.

2. The concrete thin shell building according to claim 1, characterized in that: The limit supports are distributed between the support structure and the prestressed beam in both the longitudinal and transverse directions; the limit directions of the transverse limiters of the two limit supports arranged along the transverse distribution are opposite, and the limit directions of the longitudinal limiters of the two limit supports arranged along the longitudinal distribution are opposite.

3. The concrete thin shell building according to claim 1, characterized in that: The limiting portion includes a limiting protrusion that is integrally cast with the prestressed beam or the supporting structure.

4. The concrete thin shell building according to claim 1, characterized in that: The seismic isolation bearing body includes an upper bearing plate, a lower bearing plate and a plurality of seismic isolation pads stacked and connected in sequence and arranged between the upper bearing plate and the lower bearing plate. The upper bearing plate and the lower bearing plate are respectively fixed to the prestressed beam and the supporting structure through anchor bars.

5. The concrete thin shell building according to claim 4, characterized in that: The seismic isolation support body further includes a lead core energy-absorbing support, which is arranged in the seismic isolation pad and has two ends respectively connected to the upper support plate and the lower support plate.

6. The concrete thin shell building according to claim 4, characterized in that: A steel mesh is provided in the support structure, and the anchor bars pass through the lower support plate and the steel mesh in sequence to anchor the lower support plate to the support structure.

7. The concrete thin shell building according to claim 1, characterized in that: The supporting structure includes a frame structure or a frame-shear structure.

8. The concrete thin shell building according to claim 1, characterized in that: The distance between the support structure and the prestressed beam is 250 mm.

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