Concrete frame type modular building rotating steel plate connecting structure

Abstract

The invention relates to the technical field of modular buildings, in particular to a concrete frame type modular building rotating steel plate connecting structure which comprises two prefabricated module columns which are longitudinally arranged and distributed at intervals, and a connecting assembly used for connecting the two prefabricated module columns to form a whole is arranged between the two prefabricated module columns. The connecting assembly comprises a rotating steel plate arranged between the two prefabricated module columns and embedded grooves reserved in the sides, close to each other, of the two prefabricated module columns, and the two ends of the rotating steel plate are located on the inner sides of the two embedded grooves correspondingly. The influence of part of seismic waves can be counteracted through the rotating steel plates, shear force and vibration caused by the seismic waves are relieved, accordingly, relative dislocation between modules and structural damage are reduced, vibration can be dispersed, seismic wave transmission is effectively reduced, the overall vibration response of a building is reduced, and the effects of connecting two adjacent modules, reducing the seismic wave transmission and improving the building construction quality are achieved. As an external structure, force transmission between adjacent modules is achieved, and the anti-seismic performance of the whole structure is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of modular buildings, and in particular to a rotating steel plate connection structure for a concrete frame modular building. Background Art

[0002] Modular buildings are constructed by producing standardized building modules in a factory and then transporting them to the site for assembly to form a concrete frame. Currently, in order to connect two concrete modular frame structures into a whole, after the adjacent modules at the construction site are spliced, concrete is poured in the reserved part between the columns to eliminate the gap between the adjacent module columns and form a rigid structure. However, considering the repeated action of earthquakes, this repeated stress action will cause fatigue damage to the connection parts between concrete modules, and at the same time, it will generate lateral shear forces on these frame members. The frame structure may experience local buckling or failure, reducing the overall bearing capacity of the structure, and thus affecting the long-term stability of the building structure. Summary of the Invention

[0003] In order to overcome the deficiencies of the prior art, the present invention provides a rotating steel plate connection structure for a concrete frame modular building, which solves the problem that the connection parts between concrete modules in the prior art are subject to fatigue damage and the overall bearing capacity of the structure is reduced.

[0004] To solve the above technical problems, the present invention provides the following technical solution: A rotating steel plate connection structure for a concrete frame modular building, including two longitudinally arranged and spaced-apart precast module columns. A connection assembly is provided between the two precast module columns to connect the two precast module columns into a whole. The connection assembly includes a rotating steel plate disposed between the two precast module columns and an embedded groove reserved on the side of the two precast module columns close to each other. Both ends of the rotating steel plate are located inside the two embedded grooves, and one side surface of the rotating steel plate is flush with the side surface of the precast module column. Limited vertical grooves are integrally formed at both ends of the rotating steel plate, and bolts are slidably disposed at both inner ends of the limited vertical grooves.

[0005] As a further optimized solution of the present invention, front short-span beams are provided on the sides of the two precast module columns away from each other, and rear long-span beams are provided at the ends of the two front short-span beams close to each other.

[0006] As a further optimized solution of the present invention, the two rear long-span beams are spaced apart. One end of the rear long-span beam abuts against one side of the precast module column, and the front short-span beam is perpendicular to the rear long-span beam.

[0007] As a further optimized solution of the present invention, a concrete connecting plate is provided at the top of the precast module column. A first strip-shaped groove is provided on one side of the top of the front short-span beam, and a connecting groove is provided on one side of the top of the precast module column.

[0008] As a further optimized solution of the present invention, a first connecting beam is integrally formed on one side of the concrete connecting plate, and the first connecting beam matches the first strip-shaped groove and the connecting groove.

[0009] As a further optimized solution of the present invention, second strip-shaped grooves are provided on the mutually approaching sides of the rear long-span beams, and a second connecting beam is integrally formed in the middle of the concrete connecting plate. The two sides of the second connecting beam respectively match the two second strip-shaped grooves.

[0010] As a further optimized solution of the present invention, concrete roof plates are respectively provided at both ends of the bottom of the concrete connecting plate, and the two vertical surfaces of the concrete roof plates are respectively connected to the front short-span beam and the rear long-span beam.

[0011] As a further optimized solution of the present invention, one end of the bolt is threadedly connected to a threaded pipe embedded in the precast module column, and the other end of the bolt is provided with an annular gasket in contact with the rotating steel plate.

[0012] By means of the above technical solution, the present invention provides a rotating steel plate connection structure for a concrete frame modular building. Compared with the prior art, it has at least the following beneficial effects: 1. The present invention makes two precast module columns into a whole by setting up a connecting component. Two precast module columns in the horizontal direction are connected by a rotatable steel plate. The rotation of the steel plate can offset part of the influence of seismic waves, relieve the shear force and vibration caused by seismic waves, thereby reducing the relative dislocation between modules and the damage of the structure. At the same time, it can disperse the vibration and effectively reduce the transmission of seismic waves, reduce the overall vibration response of the building. The rotating steel plate also plays the role of connecting adjacent modules and transmitting horizontal forces, improving the seismic performance of the overall structure.

[0013] 2. The present invention forms the connection nodes of the entire concrete frame modular building through two precast module columns, two front short-span beams and two rear long-span beams. At the same time, with the cooperation of the rotating steel plate connection, greater flexibility can be provided between the vertical beams, making the relative displacement between modules during an earthquake easier to control. Through this design, the dislocation between precast module columns will not be overly restricted, avoiding excessive stress caused by rigid connection. Compared with traditional rigid connections, the rotating steel plate connection will not cause the failure of connecting components due to excessive stress concentration. Therefore, the safety of the structure during an earthquake is significantly improved.

[0014] 3. The present invention can simplify the installation process of the rotating steel plate by installing the rotating steel plate in the embedded grooves on two precast module columns, and can be quickly installed at the construction site, which helps to speed up the construction progress and reduce the construction difficulty. At the same time, due to the adjustable nature of the rotating steel plate connection, it can flexibly cope with the installation errors that may occur on site, ensure the connection accuracy and stability, and reduce the deformation and errors during the construction process.

[0015] 4. The rotating steel plate connection structure of the present invention generally requires less materials. Compared with traditional rigid connections, using steel plate connections can reduce the consumption of steel and concrete, lower construction costs. At the same time, due to the strong durability of the structure, the connection components are not easily damaged during long-term use, thus saving the costs of maintenance and replacement of components. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present application and form a part of the present application. The illustrative embodiments of the present application and their descriptions are used to explain the present application and do not constitute an improper limitation to the present application. In the drawings: Figure 1 is a schematic diagram of the overall structure of the present invention; Figure 2 is a schematic diagram of the back structure of the present invention; Figure 3 is a schematic diagram of the partial structure of the present invention; Figure 4 is a schematic diagram of the bottom view structure of the concrete connection plate of the present invention; Figure 5 is an exploded schematic diagram of the connection component of the present invention; Figure 6 is a schematic diagram of the structure of the front short-span beam of the present invention; Figure 7 is a schematic diagram of the structure of the rear long-span beam of the present invention.

[0017] In the figures: 1, precast modular column; 2, front short-span beam; 3, rear long-span beam; 4, connection component; 41, embedded groove; 42, rotating steel plate; 43, limiting vertical groove; 44, bolt; 45, threaded pipe; 46, annular gasket; 5, concrete connection plate; 51, strip groove one; 52, connection groove; 53, connection beam one; 54, strip groove two; 55, connection beam two; 56, concrete top plate. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0019] A concrete frame forms a structural framework through the combination of concrete columns and beams. It has good compressive and seismic resistance and is suitable for bearing large weights. Since the reserved part between the columns of adjacent modules will be filled with concrete to eliminate the gaps between the columns of adjacent modules and form an integral whole, however, when continuous small earthquakes occur, the repeated action on the joints between the modules causes fatigue damage to the connecting parts, affecting the long-term stability of the building structure. In order to relieve the shear force and vibration caused by seismic waves, thereby reducing the relative displacement between the modules and the damage to the structure, referring to Figure 1 - Figure 7 , this embodiment provides a rotating steel plate connection structure for a concrete frame modular building, which is composed of a precast module column 1, a front short-span beam 2, a rear long-span beam 3 and a connection component 4. The concrete frame modular building is composed of multiple connection structures to form an integral framework.

[0020] There are two precast module columns 1, two front short-span beams 2 and two rear long-span beams 3 in this connection structure. The precast module columns 1 are arranged longitudinally and spaced apart. The two front short-span beams 2 are respectively arranged on the sides of the two precast module columns 1 away from each other. The two rear long-span beams 3 are respectively arranged at one end of the two front short-span beams 2 close to each other. The two rear long-span beams 3 are spaced apart. One end of the rear long-span beam 3 abuts against one side of the precast module column 1, and the front short-span beam 2 is perpendicular to the rear long-span beam 3. The connection between the front short-span beam 2 and the rear long-span beam 3 enhances the rigidity of the overall framework, can effectively disperse and transfer external loads, reduce the pressure and torque borne by a single component, and through reasonable layout, the force transmission is more uniform, avoiding local over-concentration and improving the overall stability.

[0021] At the top of the precast modular column 1, there is a concrete connecting plate 5. The threaded steel bars at the top of the precast modular column 1 are embedded in the concrete connecting plate 5. On one side of the top of the front short-span beam 2, there is a first strip-shaped groove 51. On one side of the top of the precast modular column 1, there is a connecting groove 52. On one side of the concrete connecting plate 5, a first connecting beam 53 is integrally formed. The first connecting beam 53 matches the first strip-shaped groove 51 and the connecting groove 52. On the mutually approaching sides of the rear long-span beams 3, there are second strip-shaped grooves 54. In the middle of the concrete connecting plate 5, a second connecting beam 55 is integrally formed. The two sides of the second connecting beam 55 respectively match the two second strip-shaped grooves 54. The design of reserving the first strip-shaped groove 51, the second strip-shaped groove 54, and the connecting groove 52 enables concrete to be directly poured into the first strip-shaped groove 51, the second strip-shaped groove 54, and the connecting groove 52 during on-site construction, forming the first connecting beam 53 and the second connecting beam 55, completing the connection between modules, reducing the complexity of on-site construction, enabling the precise pouring of the concrete connecting plate 5, avoiding the alignment problem in traditional on-site connections, improving the construction efficiency, and at the same time being able to better distribute the load and reduce local stress concentration, effectively avoiding structural damage or instability. At the two ends of the bottom of the concrete connecting plate 5, there are respectively concrete top plates 56. The two vertical surfaces of the concrete top plates 56 are respectively connected to the front short-span beam 2 and the rear long-span beam 3, which can effectively distribute the load from the upper structure, reduce the stress concentration on a single component, help reduce the risk of local damage, enhance the overall stability of the structure, and at the same time improve the durability of the structure.

[0022] Refer to Figure 5 , between two precast modular columns 1, there is a connecting component 4 for connecting the two precast modular columns 1 to make them an integral whole. The connecting component 4 includes a rotating steel plate 42 arranged between the two precast modular columns 1 and an embedded groove 41 reserved on the mutually approaching sides of the two precast modular columns 1. The two ends of the rotating steel plate 42 are respectively located inside the two embedded grooves 41, making one side surface of the rotating steel plate 42 flush with the side surface of the precast modular column 1 without any protruding part. The rotating steel plate 42 can effectively absorb and disperse the impact from dynamic loads. Since it can rotate within a certain range, it slows down the stress concentration generated by sudden loads, improving the performance of the building under special loads, and at the same time playing the role of connecting adjacent modules and transmitting horizontal forces; under the action of dynamic loads such as earthquakes, the rotating steel plate 42 can effectively absorb the energy of seismic waves, reduce the direct impact of seismic waves on the building, thereby improving the seismic resistance of the building, and at the same time making the structure more ductile under vibration and being able to effectively slow down the transmission of vibration.

[0023] Moreover, both ends of the rotating steel plate 42 are integrally formed with limiting vertical grooves 43. At both inner ends of the limiting vertical grooves 43, bolts 44 are slidably arranged. One end of each bolt 44 is threadedly connected to a threaded pipe 45 embedded in the precast module column 1. The bolt 44 passes through the limiting vertical groove 43 and is threadedly connected to the threaded pipe 45, so that the rotating steel plate 42 is fixed on the precast module column 1. The other end of the bolt 44 is provided with an annular gasket 46 in contact with the rotating steel plate 42. During installation, the rotating steel plate 42 is installed on the precast module column 1 through the bolts 44 and gaskets. The standardized connection method is adopted, enabling the rapid installation and fixation of each component at the construction site. Moreover, through the installation method of the bolts 44 and gaskets, the rotating steel plate 42 can effectively avoid structural loosening or damage caused by fatigue or wear of the connection part during long-term use, improving the durability of the overall structure and reducing the maintenance frequency and cost.

[0024] In the present invention, the two precast module columns 1 are made into an integral whole through the connecting component 4. The two precast module columns 1 in the horizontal direction are connected by the rotating steel plate 42. Under the action of dynamic loads such as earthquakes, the rotating steel plate 42 can effectively absorb the energy of seismic waves, reduce the direct impact of seismic waves on the building, relieve the shear force and vibration caused by seismic waves, reduce the overall vibration response of the building, and improve the seismic performance of the overall structure.

[0025] It should be noted that in this article, the terms "including", "comprising" or any other variant thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements not only includes those elements, but also includes other elements not expressly listed, or further includes elements inherent to such process, method, article or device.

[0026] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. The rotating steel plate connection structure of a concrete frame modular building is characterized in that: It includes two longitudinally arranged and spaced precast modular columns (1), and a connecting component (4) is arranged between the two precast modular columns (1) to connect the two precast modular columns (1) into a whole; The connecting component (4) includes a rotating steel plate (42) arranged between the two precast modular columns (1) and an embedded groove (41) reserved on the side of the two precast modular columns (1) close to each other. The two ends of the rotating steel plate (42) are respectively located inside the two embedded grooves (41), and one side of the rotating steel plate (42) is flush with the side of the precast modular column (1). Limited vertical grooves (43) are integrally formed at the two ends of the rotating steel plate (42), and bolts (44) are slidably arranged at the inner ends of the two sides of the limited vertical grooves (43).

2. The rotating steel plate connection structure of the concrete frame modular building according to claim 1, characterized in that: On the side of the two precast modular columns (1) away from each other, a front short-span beam (2) is arranged, and a rear long-span beam (3) is arranged on the side of the two front short-span beams (2) close to each other.

3. The rotational steel plate connection structure of the concrete frame modular building according to claim 2, characterized in that: The two rear long-span beams (3) are spaced apart. One end of the rear long-span beam (3) abuts against one side of the precast modular column (1), and the front short-span beam (2) is perpendicular to the rear long-span beam (3).

4. The rotating steel plate connection structure of the concrete frame modular building according to claim 2, characterized in that: A concrete connecting plate (5) is arranged at the top of the precast modular column (1). A strip-shaped groove one (51) is arranged on one side of the top of the front short-span beam (2), and a connecting groove (52) is arranged on one side of the top of the precast modular column (1).

5. The rotational steel plate connection structure of the concrete frame modular building according to claim 4, characterized in that: A connecting beam one (53) is integrally formed on one side of the concrete connecting plate (5), and the connecting beam one (53) is arranged inside the strip-shaped groove one (51) and the connecting groove (52).

6. The rotating steel plate connection structure of the concrete frame modular building according to claim 2, characterized in that: A strip-shaped groove two (54) is arranged on the side of the rear long-span beam (3) close to each other. A connecting beam two (55) is integrally formed in the middle of the concrete connecting plate (5), and the two sides of the connecting beam two (55) are respectively arranged inside the two strip-shaped grooves two (54).

7. The rotating steel plate connection structure of the concrete frame modular building according to claim 2, characterized in that: Concrete roof plates (56) are respectively arranged at the two ends of the bottom of the concrete connecting plate (5), and the two vertical surfaces of the concrete roof plates (56) are respectively connected to the front short-span beam (2) and the rear long-span beam (3).

8. The rotating steel plate connection structure of the concrete frame modular building according to claim 1, characterized in that: One end of the bolt (44) is threadedly connected to a threaded pipe (45) embedded in the precast modular column (1), and the other end of the bolt (44) is provided with an annular gasket (46) in contact with the rotating steel plate (42).

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