Double-layer curved concrete thin shell roof structure and building
By adopting a double-layer curved concrete thin-shell roof structure, the problem of limited concrete thin-shell form in the prior art is solved, the effect of adapting to complex building shapes is achieved, and the flexibility and adaptability of construction are improved.
Patent Information
- Application Number
- CN202420725859.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-04-09
- Publication Date
- 2025-04-01
- Estimated Expiration
- 2034-04-09
AI Technical Summary
The existing concrete thin-shell shell form is relatively limited and it is difficult to meet the construction molding needs in special circumstances.
It adopts a double-layer curved concrete thin-shell roof structure, including the top and bottom convex curved concrete shells. The two are combined into a convex curved concrete roof structure, and provide prefabricated assembly or on-site casting during construction.
A new thin shell structure is realized that meets the requirements of building shapes, with high flexibility and good adaptability during construction, which can effectively balance the thrust and simplify the force transmission path.
Smart Images
Figure CN222701307U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of construction, in particular to a double-layer curved surface concrete thin shell roof structure and a building. Background Art
[0002] With the continuous development of the construction industry, the common building appearance can no longer meet people's aesthetic needs. Today, design software tools have also made great progress relying on computer technology. More modern and diverse building modeling schemes have emerged. Structural forms suitable for complex roofs include steel grids, steel trusses, chord structures, cable structures, etc. Concrete thin shell structures have been around for a long time and are used in some architectural forms. They can give full play to the performance of materials while perfectly matching the architectural effect.
[0003] The existing concrete thin shell shell forms mainly include circular bottom rotation shell, hyperbolic flat shell, cylindrical shell, hyperbolic paraboloid torsion shell and membrane flat shell, etc. The existing concrete thin shell shell forms are relatively limited and cannot meet the needs of architectural modeling in special cases. Utility Model Content
[0004] The purpose of the utility model is to overcome the shortcomings of the above-mentioned background technology and provide a double-layer curved concrete thin-shell roof structure and a building, so that it forms a new type of thin-shell structure, which can adapt to the requirements of architectural modeling, and can be prefabricated or cast on site according to actual conditions during construction, with high flexibility and good adaptability.
[0005] The utility model provides a double-layer curved concrete thin shell roof structure, comprising a top convex curved concrete thin shell and a bottom convex curved concrete thin shell, wherein the top convex curved concrete thin shell and the bottom convex curved concrete thin shell are assembled into an overall convex curved concrete roof structure, and the bottom convex curved concrete thin shell is provided with bottom shell internal prestressed tendons.
[0006] In the above technical solution, the connection points on both sides of the top convex curved surface concrete thin shell and the bottom convex curved surface concrete thin shell are the intersection lines of the two thin shells.
[0007] In the above technical solution, there are a plurality of prestressed tendons in the bottom shell, and the plurality of prestressed tendons in the bottom shell are all arranged along the axial direction of the bottom convex curved surface concrete thin shell.
[0008] In the above technical solution, the top convex curved surface concrete thin shell is provided with top shell prestressed tendons.
[0009] In the above technical solution, there are multiple prestressed tendons in the top shell, and the multiple prestressed tendons in the top shell are all arranged along the axial direction of the top convex curved surface concrete thin shell.
[0010] The above technical solution also includes support beams evenly distributed along the axial direction of the curved concrete roof structure, and the support beams are composed of upper support beams and lower support beams, wherein the upper support beams are located at the bottom of the top convex curved concrete thin shell, and the lower support beams are located at the top of the bottom convex curved concrete thin shell.
[0011] In the above technical solution, the intersections of the upper support beam and the lower support beam on both sides are the intersection lines of the two support beams, the upper support beam has the same curvature as the top convex curved concrete thin shell, the lower support beam has the same curvature as the bottom convex curved concrete thin shell, and the support beam is arranged along the cross-section of the curved concrete roof structure.
[0012] In the above technical solution, the prestressed tendons in the bottom shell are arranged in the mid-span area of the bottom convex curved concrete thin shell.
[0013] In the above technical solution, the prestressed tendons in the top shell are arranged in the mid-span area of the top convex curved concrete thin shell, and the prestressed tendons in the top shell span the upper support beam and are arranged on both sides of the upper support beam.
[0014] The utility model also provides a building, which comprises a double-layer curved surface concrete thin shell roof structure.
[0015] The double-layer curved concrete thin shell roof structure and building of the utility model have the following beneficial effects:
[0016] The utility model double-layer curved concrete shell roof structure and building, the convex curved concrete shell in the double shell can effectively balance the thrust in the cross section of the top convex curved concrete shell, and the internal force transmission path of the component is reasonable and simple. This double-layer curved concrete shell roof structure can meet the requirements of architectural modeling, and can be prefabricated or cast on site according to actual conditions during construction, with high flexibility and good adaptability. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 This is the overall structural diagram of the double-layer curved concrete thin shell roof structure of the utility model;
[0018] Figure 2 for Figure 1 Schematic diagram of the structure of the AA section;
[0019] Figure 3 for Figure 1 Schematic diagram of the structure of the middle BB section;
[0020] Figure 4 It is a structural schematic diagram of the utility model building. DETAILED DESCRIPTION
[0021] The present invention will be further described in detail below in conjunction with the accompanying drawings and embodiments, but the embodiments should not be construed as limiting the present invention.
[0022] See also Figure 1 The double-layer curved concrete thin shell roof structure of the utility model comprises a top convex curved concrete thin shell 1 and a bottom convex curved concrete thin shell 2. The top convex curved concrete thin shell 1 and the bottom convex curved concrete thin shell 2 are assembled into an overall convex curved concrete roof structure. In one or more embodiments, the top convex curved concrete thin shell 1 and the bottom convex curved concrete thin shell 2 have the same curvature; the bottom convex curved concrete thin shell 2 is provided with a bottom shell internal prestressed tendon 3.
[0023] See also Figure 2 The connection points on both sides of the top convex curved concrete thin shell 1 and the bottom convex curved concrete thin shell 2 are two thin shell intersection lines 4.
[0024] There are multiple prestressed tendons 3 in the bottom shell, and the multiple prestressed tendons 3 in the bottom shell are all arranged along the axial direction of the bottom convex curved surface concrete thin shell 2.
[0025] The top outer convex curved surface concrete thin shell 1 is provided with a top shell inner prestressed tendon 5. The top shell inner prestressed tendon 5 is multiple, and the multiple top shell inner prestressed tendons 5 are all arranged along the axial direction of the top outer convex curved surface concrete thin shell 1.
[0026] See also Figure 3 The double-layer curved concrete thin shell roof structure of the utility model also includes support beams 6 uniformly distributed along the axial direction of the curved concrete roof structure, and the support beams 6 are composed of an upper support beam 61 and a lower support beam 62, wherein the upper support beam 61 is located at the bottom of the top convex curved concrete thin shell 1, and the lower support beam 62 is located at the top of the bottom convex curved concrete thin shell 2.
[0027] The intersections of the upper support beam 61 and the lower support beam 62 are two support beam intersection lines 63. The upper support beam 61 has the same curvature as the top convex curved concrete shell 1, and the lower support beam 62 has the same curvature as the bottom convex curved concrete shell 2. The support beam 6 is arranged along the cross-section of the curved concrete roof structure.
[0028] The prestressed tendons 3 in the bottom shell are arranged in the mid-span area of the bottom convex curved concrete thin shell 2. The prestressed tendons 5 in the top shell are arranged in the mid-span area of the top convex curved concrete thin shell 1, and the prestressed tendons 5 in the top shell span the upper support beam 61 and are arranged on both sides of the upper support beam 61.
[0029] See also Figure 4The utility model building comprises a double-layer curved concrete thin shell roof structure, and the double-layer curved concrete thin shell roof structure is supported on pillars 7.
[0030] The double-layer curved concrete thin shell roof structure of the embodiment of the utility model can be constructed by prefabrication or on-site casting.
[0031] Obviously, those skilled in the art can make various changes and modifications to the present invention without departing from the spirit and scope of the present invention. Thus, if these modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include these modifications and variations.
[0032] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.
Claims
1. A double-layer curved concrete thin shell roof structure, comprising a top convex curved concrete thin shell (1) and a bottom convex curved concrete thin shell (2), characterized in that: The top outward convex curved surface concrete thin shell (1) and the bottom outward convex curved surface concrete thin shell (2) are assembled into an overall outward convex curved surface concrete roof structure, and the bottom outward convex curved surface concrete thin shell (2) is provided with bottom shell internal prestressed tendons (3).
2. The double-layer curved concrete thin shell roof structure according to claim 1 is characterized in that: The connection points on both sides of the top convex curved surface concrete thin shell (1) and the bottom convex curved surface concrete thin shell (2) are two thin shell intersection lines (4).
3. The double-layer curved concrete thin shell roof structure according to claim 2 is characterized in that: There are a plurality of prestressed tendons (3) in the bottom shell, and the plurality of prestressed tendons (3) in the bottom shell are all arranged along the axial direction of the bottom convex curved surface concrete thin shell (2).
4. The double-layer curved concrete thin shell roof structure according to claim 3 is characterized in that: Top shell prestressed tendons (5) are arranged inside the top convex curved surface concrete thin shell (1).
5. The double-layer curved concrete thin shell roof structure according to claim 4 is characterized in that: There are a plurality of prestressed tendons (5) in the top shell, and the plurality of prestressed tendons (5) in the top shell are all arranged along the axial direction of the top convex curved surface concrete thin shell (1).
6. The double-layer curved concrete thin shell roof structure according to claim 5 is characterized in that: It also includes support beams (6) uniformly distributed along the axial direction of the curved concrete roof structure, wherein the support beams (6) are composed of an upper support beam (61) and a lower support beam (62), wherein the upper support beam (61) is located at the bottom of the top convex curved concrete thin shell (1), and the lower support beam (62) is located at the top of the bottom convex curved concrete thin shell (2).
7. The double-layer curved concrete thin shell roof structure according to claim 6 is characterized in that: The intersections of the upper support beam (61) and the lower support beam (62) on both sides are two support beam intersection lines (63); the upper support beam (61) has the same curvature as the top convex curved concrete thin shell (1); the lower support beam (62) has the same curvature as the bottom convex curved concrete thin shell (2); and the support beam (6) is arranged along the cross section of the curved concrete roof structure.
8. The double-layer curved concrete thin shell roof structure according to claim 7 is characterized in that: The prestressed tendons (3) in the bottom shell are arranged in the mid-span area of the bottom convex curved surface concrete thin shell (2).
9. The double-layer curved concrete thin shell roof structure according to claim 8 is characterized in that: The prestressed tendons (5) in the top shell are arranged in the mid-span area of the top convex curved concrete thin shell (1), and the prestressed tendons (5) in the top shell span the upper support beam (61) and are arranged on both sides of the upper support beam (61).
10. A building, characterized in that: The building comprises a double-layer curved concrete thin shell roof structure as claimed in any one of claims 1 to 9.