Large-span high-rise building top plate connecting structure

Abstract

The utility model relates to a large-span high-rise building top plate connecting structure. The method is suitable for the technical field of water conservancy and hydropower engineering. The technical problem to be solved by the application is to provide the large-span high-rise building top plate connecting structure. According to the technical scheme, the large-span high-rise building top plate connecting structure is characterized by comprising a building supporting structure, a top plate connecting structure and a top plate connecting structure, the prefabricated top plate structures are arranged at the two ends of the top of the building supporting structure correspondingly, and a pouring gap is reserved between the opposite ends of the prefabricated top plate structures; and the cast-in-place top plate structure is arranged in the pouring gap, and the cast-in-place top plate structure is used for connecting the prefabricated top plate structures at the two ends to form a whole.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy and hydropower engineering, in particular to a roof connection structure of a large-span high-rise building. Background Art

[0002] At present, most of the top slab concrete pouring schemes for large-span high-rise buildings adopt the scheme of erecting a full-frame support concrete formwork from the bottom slab. This scheme uses a full-frame steel structure to support the upper top slab concrete formwork. The steel structure erection workload is large, the construction period is long, the safety risk is high, and the project investment is large. The entire construction surface is densely covered with a large number of steel supports, and the construction space is greatly limited. Utility Model Content

[0003] The technical problem to be solved by the utility model is: in view of the above existing problems, a roof connection structure of a large-span high-rise building is provided.

[0004] The technical solution adopted by the utility model is: a large-span high-rise building top plate connection structure, characterized in that it includes:

[0005] Building support structures;

[0006] Prefabricated top plate structures are arranged at two ends of the top of the building support structure, and a casting gap is reserved between the opposite ends of the prefabricated top plate structures;

[0007] A cast-in-place roof structure is arranged in the casting gap, and the cast-in-place roof structure is used to connect the prefabricated roof structures at both ends to form a whole.

[0008] Through the above-mentioned technical means, by prefabricating part of the top plate, and then using the building support structure to erect the prefabricated top plate structure, the cast-in-place part of the top plate is reduced, thereby reducing the use of full-frame steel supports, saving construction time, and using the reserved gaps between the prefabricated plates as post-casting strips, and using the post-casting strips to cast the top plate, so that the post-casting strips connect the entire top plate system into a whole.

[0009] In some embodiments, the prefabricated top plate structure includes a prefabricated top plate and a first top plate steel bar. The prefabricated top plate is disposed at both ends of the top of the building support structure. The first top plate steel bar is disposed inside the prefabricated top plate. The first top plate steel bar at least partially extends out of the end of the prefabricated top plate.

[0010] In some embodiments, the cast-in-place top plate structure includes a cast-in-place top plate and a second top plate steel bar. The cast-in-place top plate is arranged in the casting gap, and the second top plate steel bar is arranged inside the cast-in-place top plate. The extended parts of the first top plate steel bar at both ends are connected to the second top plate steel bar.

[0011] In some embodiments, the first top plate steel bars are distributed vertically and horizontally in the prefabricated top plate.

[0012] In some embodiments, the building support structure includes a frame base plate, frame columns, frame side walls and frame beams. The frame columns are provided at both ends of the frame base plate. The sides of the frame columns are connected to the frame side walls. The frame beams are connected between the tops of the frame columns at both ends. The prefabricated top plate structure and the cast-in-place top plate structure are provided on the frame beams.

[0013] The beneficial effects of the utility model are:

[0014] 1. The building support structure is used as the support platform for the top plate, and the concrete top plate is made in a prefabricated manner to reduce the cast-in-place part of the top plate. The prefabricated top plate is overlapped on the building support structure, thereby reducing the use of full-frame steel supports during the top plate construction process, saving construction time, reducing safety risks, and saving project investment. A certain gap is reserved between the prefabricated top plates as a post-casting strip, and the post-casting strip is used to connect the entire top plate system into a whole, ensuring the pouring quality of the top plate concrete. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the structure of this application.

[0016] Figure 2 yes Figure 1 Magnified view of area A.

[0017] Description of reference numerals:

[0018] 1. Frame beam; 2. Prefabricated top slab; 3. Frame side wall; 4. Frame column; 5. Frame bottom slab; 6. First top slab reinforcement; 7. Cast-in-place top slab; 8. Second top slab reinforcement.

[0019] This specification includes references to "one embodiment" or "an embodiment." The appearance of the phrase "in one embodiment" or "in an embodiment" does not necessarily refer to the same embodiment. The particular features, structures or characteristics may be combined in any suitable manner consistent with the present disclosure.

[0020] The term "comprising" is open ended. As used in the appended claims, the term does not exclude additional structures or steps.

[0021] "First," "second," etc. As used herein, these terms act as labels for the nouns that precede them and do not imply any type of ordering (e.g., spatial, temporal, logical, etc.). DETAILED DESCRIPTION

[0022] In order to enable those skilled in the art to better understand the technical solution of the present utility model, the technical solution of the present utility model is further described below in conjunction with specific embodiments.

[0023] Combination Figure 1 and Figure 2 As shown, this embodiment is a large-span, high-rise building roof connection structure, including a building support structure, a prefabricated roof structure, and a cast-in-place roof structure. Prefabricated roof structures are respectively provided at both ends of the top of the building support structure, and a casting gap is reserved between the opposite ends of the prefabricated roof structures. The casting gap is used as a post-casting strip, and the cast-in-place roof structure is arranged in the casting gap. The prefabricated roof structures at both ends are connected into a roof as a whole by using the cast-in-place roof structure.

[0024] In some embodiments, such as Figure 1 As shown, the building support structure includes a frame base plate 5, frame columns 4, frame side walls 3 and a frame beam 1. Frame columns 4 are provided at both ends of the frame base plate 5. The sides of the frame columns 4 are connected to the frame side walls 3. The tops of the frame columns 4 at both ends are connected to the frame beam 1. The frame beam 1 is provided with a prefabricated top plate structure and a cast-in-place top plate structure.

[0025] Further, such as Figure 2 As shown, the prefabricated top plate structure includes a prefabricated top plate 2 and a first top plate steel bar 6. The prefabricated top plate 2 adopts the scheme of prefabricated concrete plate in advance, and the prefabricated top plate 2 is overlapped at both ends of the top of the frame beam 1. A certain gap is reserved between the opposite ends of the prefabricated top plate 2 as a post-casting strip. The first top plate steel bar 6 is arranged in the prefabricated top plate 2, and the first top plate steel bar 6 is distributed in the prefabricated top plate 2 in a vertical and horizontal manner. At the same time, the first top plate steel bar 6 in the prefabricated top plates 2 at both ends at least partially extends to expose the opposite ends of the prefabricated top plates 2.

[0026] Further, such as Figure 2 As shown, the cast-in-place roof structure includes a cast-in-place roof slab 7 and a second roof slab reinforcement 8. The cast-in-place roof slab 7 is arranged in the gap between the precast roof slabs 2, and the precast roof slabs 2 at both ends are connected into a whole by the cast-in-place roof slab 7. The second roof slab reinforcement 8 is arranged inside the cast-in-place roof slab 7, and the extension parts of the first roof slab reinforcement 6 in the precast roof slabs 2 at both ends are connected to the second roof slab reinforcement 8.

[0027] By pouring the building support structure under the roof of the tall building, a prefabricated roof slab 2 is formed by using a prefabricated panel solution on part of the top, and the first roof slab steel bars 6 are reserved for exposure at the opposite ends of the prefabricated roof slab 2. The prefabricated roof slab 2 is overlapped on the building support structure, and a certain gap is reserved between the prefabricated roof slabs 2 as a post-casting strip. The roof slab is cast in the post-casting strip, and the prefabricated roof slabs 2 at both ends are connected into a whole by the post-casting strip. With the building support structure as a support platform and the use of the prefabricated roof slab in advance, the use of full-frame steel support can be reduced during the roof slab casting process, saving construction time, reducing safety risks, and saving project investment.

[0028] In some embodiments, the casting scheme of the building support structure in this embodiment includes the following two:

[0029] (1) For cast-in-place beams, full-frame steel structure support can be erected only within the beam range;

[0030] (2) Precast beams: The precast beams are placed on the frame columns 4 at both ends, and the precast beam structure is adopted. Post-cast strips need to be reserved at the intersection of beams and columns to combine the beams and columns into a whole, so that the full-frame supporting steel structure can be eliminated during beam casting.

[0031] The above are all preferred embodiments of the present utility model, and are not intended to limit the protection scope of the present utility model. Therefore, any equivalent changes made based on the structure, shape, and principle of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A large-span high-rise building roof connection structure, characterized in that: include: Building support structures; Prefabricated top plate structures are arranged at two ends of the top of the building support structure, and a casting gap is reserved between the opposite ends of the prefabricated top plate structures; A cast-in-place roof structure is arranged in the casting gap, and the cast-in-place roof structure is used to connect the prefabricated roof structures at both ends to form a whole; The prefabricated top plate structure comprises a prefabricated top plate (2) and a first top plate steel bar (6), wherein the prefabricated top plate (2) is arranged at two ends of the top of the building support structure, and the first top plate steel bar (6) is arranged inside the prefabricated top plate (2), and the first top plate steel bar (6) at least partially extends out of the end of the prefabricated top plate (2); The cast-in-place top plate structure comprises a cast-in-place top plate (7) and a second top plate steel bar (8), wherein the cast-in-place top plate (7) is arranged at the casting gap, the second top plate steel bar (8) is arranged inside the cast-in-place top plate (7), and the extension parts of the first top plate steel bar (6) at both ends are connected to the second top plate steel bar (8); The first top plate steel bars (6) are distributed in a vertical and horizontal manner in the prefabricated top plate (2); The building support structure comprises a frame bottom plate (5), frame columns (4), frame side walls (3) and a frame beam (1); the frame bottom plate (5) is provided with the frame columns (4) at both ends; the sides of the frame columns (4) are connected to the frame side walls (3); the frame beam (1) is connected between the tops of the frame columns (4) at both ends; and the frame beam (1) is provided with the prefabricated top plate structure and the cast-in-place top plate structure.

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