Energy consumption connection assembly type concrete frame structure

Abstract

The invention relates to the technical field of building construction, in particular to an energy consumption connection assembly type concrete frame structure which comprises a prefabricated column and an assembly beam connected with the prefabricated column and is characterized in that a column round web connecting device is installed on the side face of the prefabricated column, and a beam round web connecting device is installed at the end of the assembly beam; each of the column round web connecting device and the beam round web connecting device comprises a concave arc surface, the arc surfaces on the two sides are butted to form a cylindrical cavity, and a damping mechanism is arranged in the cylindrical cavity; first long holes are formed in the arc faces on the two sides, first fastening bolts are arranged in the first long holes, and the damping mechanism is fixedly connected with the first fastening bolts. When the connecting joint between the prefabricated column and the assembly beam rotates, friction energy consumption can be achieved by means of the arc surfaces on the two sides, and meanwhile the rotating performance of the joint is improved.

Description

Technical Field

[0001] The invention relates to the technical field of building construction, in particular to an energy-dissipating connection assembled concrete frame structure. Background Art

[0002] Prefabricated concrete beams and columns are generally connected through methods such as steel bar grouting sleeves. The connection method is relatively complicated. In the event of an earthquake, once the concrete at the beam end is damaged, the concrete at the beam end is crushed, or the steel bar is buckled, it will be difficult for post-earthquake repair. Summary of the invention

[0003] In view of the deficiencies in the prior art, an object of the present invention is to provide an energy-dissipating connection assembled concrete frame structure.

[0004] The technical solution adopted by the present invention to solve the technical problem is: An energy-dissipating connected assembled concrete frame structure comprises a prefabricated column and an assembled beam connected to the prefabricated column, wherein a column circular web connecting device is installed on the side of the prefabricated column, and a beam circular web connecting device is installed on the end of the assembled beam; the column circular web connecting device and the beam circular web connecting device both comprise an inwardly concave arc surface, and a cylindrical cavity is formed when the arc surfaces on both sides are butted, and a damping mechanism is arranged in the cylindrical cavity; a first long hole is opened on the arc surfaces on both sides, a first fastening bolt is arranged in the first long hole, and the damping mechanism is fixedly connected to the first fastening bolt.

[0005] Preferably, a further technical solution of the present invention is: Preferably, the damping mechanism comprises an inner column support and an outer ring support which are arranged concentrically, the outer ring support is adapted to the cylindrical cavity, and a damping unit is radially arranged between the inner column support and the outer ring support; The damping unit includes a support rod fixed on the inner column support, a first connecting rod is hinged on both sides of the support rod on the inner column support, a second connecting rod is hinged on the end of the first connecting rod, and the end of the second connecting rod is hinged to the support rod, and the first connecting rod and the second connecting rod on both sides form a quadrilateral structure; a third connecting rod is hinged between the hinge points of the first connecting rod and the second connecting rod on both sides; support ear plates are hinged on both sides of the outer end of the support rod, a fixed seat plate is arranged between the ends of the support ear plates, the fixed seat plate is abutted against the inner side of the outer ring support, and the first fastening bolt passes through the outer ring support and is fixed to the fixed seat plate; a spring is sleeved on the support rod and between the second connecting rod and the support ear plate.

[0006] Preferably, the top and bottom surfaces of the column circular web connecting device and the beam circular web connecting device are connected with beam-column flange connecting devices; The beam-column flange connection device includes a first lower fixing plate and a first upper clamping plate fixed on the column circular web connection device, a connecting plate clamped and fixed between the first lower fixing plate and the first upper clamping plate, and a second lower fixing plate and a second upper clamping plate clamped and fixed on the upper and lower sides of the connecting plate and fixed to the beam circular web connection device.

[0007] Preferably, the first lower fixing plate, the first upper clamping plate and the connecting plate are all T-shaped plates.

[0008] Preferably, the through hole in the connecting plate used for connecting with the first lower fixing plate and the first upper clamping plate is a long hole.

[0009] Preferably, the column circular web connection device and the beam circular web connection device have the same structure, including a C-shaped support body, a rib plate is arranged in the middle of the inner side of the C-shaped support body, the end of the rib plate is an arc shape adapted to the arc surface, and the arc surface is arranged at the end of the C-shaped support body and the rib plate.

[0010] Preferably, a column foundation connection device is provided at the bottom end of the prefabricated column, and the column foundation connection device is used to fix the prefabricated column to the foundation structure; The column foundation connection device includes a bottom plate and a top plate arranged opposite to each other up and down, a special-shaped support body is arranged on the bottom plate, the top of the special-shaped support body is abutted against the bottom surface of the top plate, and a friction plate is arranged on the bottom surface of the top plate to fit the side of the special-shaped support body; a C-shaped side plate is supported between the bottom plate and the top plate and at the edge position.

[0011] Preferably, the lower part of the special-shaped support body is a hollow structure, and a second long hole is provided on the special-shaped support body and the friction plate relative to each other, and a second fastening bolt is provided in the second long hole to fasten the special-shaped support body to the friction plate.

[0012] Compared with the prior art, the present invention adopting the above technical scheme has the following outstanding features: when the connection node between the prefabricated column and the assembly beam rotates, it can dissipate energy by means of the friction of the arc surfaces on both sides, while increasing the rotation performance of the node; a web shock-absorbing structure is formed by a quadrilateral connecting rod structure, a spring, a fixed seat plate and an outer ring support. When the node rotates, it is first compressed by the spring and then dissipated by bending based on the quadrilateral connecting rod structure, which can effectively reduce the energy dissipation in an earthquake; under the action of an earthquake, the friction plate rubs against the side of the special-shaped support body and, in cooperation with the second long hole structure, can generate sliding friction, which effectively increases the shear resistance of the prefabricated column. The arrangement of the C-shaped side plates around it helps to transmit the axial force of the prefabricated column. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The structure diagram of the energy dissipation connection assembled concrete frame structure in the embodiment of the present invention is as follows: Figure 1 ; Figure 2 The structure diagram of the energy dissipation connection assembled concrete frame structure in the embodiment of the present invention is as follows: Figure 2 ; Figure 3 The structure of the damping mechanism in the embodiment of the present invention is shown in FIG. Figure 1 ; Figure 4 The structure of the damping mechanism in the embodiment of the present invention is shown in FIG. Figure 2 ; Figure 5 2 is a schematic structural diagram of a cylindrical-circular web connection device according to an embodiment of the present invention; Figure 6 is a schematic structural diagram of a beam-column flange connection device in an embodiment of the present invention; Figure 7 The structure diagram of the column foundation connection device in the embodiment of the present invention is as follows: Figure 1 ; Figure 8 The structure diagram of the column foundation connection device in the embodiment of the present invention is as follows: Figure 2 .

[0014] Explanation of the accompanying drawings: 1. prefabricated column; 2. assembled beam; 3. column circular web connection device; 4. beam circular web connection device; 5. arc surface; 6. damping mechanism; 7. first long hole; 8. first fastening bolt; 9. inner column support; 10. outer ring support; 11. damping unit; 12. support rod; 13. first connecting rod; 14. second connecting rod; 15. third connecting rod; 16. support ear plate; 17. fixed seat plate; 18. spring; 19. first lower fixing plate; 20. first upper clamping plate; 21. connecting plate; 22. second lower fixing plate; 23. second upper clamping plate; 24. C-shaped support body; 25. rib plate; 26. column foundation connection device; 27. bottom plate; 28. top plate; 29. ​​special-shaped support body; 30. friction plate; 31. C-shaped side plate; 32. second long hole; 33. second fastening bolt. DETAILED DESCRIPTION

[0015] The present invention is further described below in conjunction with specific embodiments, the purpose of which is only to provide a better understanding of the content of the present invention. Therefore, the examples given do not limit the protection scope of the present invention.

[0016] like Figures 1 to 8As shown, this embodiment provides an energy-dissipating connection assembled concrete frame structure, including a precast column 1 and an assembled beam 2 connected to the precast column 1, a column circular web connection device 3 is installed on the side of the precast column 1, and a beam circular web connection device 4 is installed on the end of the assembled beam 2; the column circular web connection device 3 and the beam circular web connection device 4 both include a concave arc surface 5, and the arc surfaces 5 on both sides are connected to form a cylindrical cavity, and a damping mechanism 6 is arranged in the cylindrical cavity; a first long hole 7 is opened on the arc surfaces 5 on both sides, and a first fastening bolt 8 is arranged in the first long hole 7, and the damping mechanism 6 is fixedly connected to the first fastening bolt 8; when the connection node between the precast column 1 and the assembled beam 2 rotates, it can dissipate energy by means of friction of the arc surfaces 5 on both sides, and at the same time increase the rotation performance of the node.

[0017] During implementation, the column circular web connection device 3 can be installed and fixed to the prefabricated column 1 through the embedded bolts in the prefabricated column 1; the beam circular web connection device 4 can be installed and fixed to the assembled beam 2 through the embedded bolts in the assembled beam 2.

[0018] The damping mechanism 6 comprises an inner column support 9 and an outer ring support 10 which are arranged concentrically, the outer ring support 10 is adapted to the cylindrical cavity, and a damping unit 11 is radially arranged between the inner column support 9 and the outer ring support 10; The damping unit 11 includes a support rod 12 fixed on the inner column support 9, a first connecting rod 13 is hinged on both sides of the inner column support 9 and located on the support rod 12, the end of the first connecting rod 13 is hinged to the second connecting rod 14, the end of the second connecting rod 14 is hinged to the support rod 12, and the first connecting rod 13 and the second connecting rod 14 on both sides form a quadrilateral structure; a third connecting rod 15 is hinged between the hinge points of the first connecting rod 13 and the second connecting rod 14 on both sides; support ear plates 16 are hinged on both sides of the outer end of the support rod 12, and a fixed seat plate 17 is arranged between the ends of the support ear plates 16. The plate 17 is against the inner side of the outer ring support 10, the first fastening bolt 8 passes through the outer ring support 10 and is fixed to the fixed seat plate 17, and a circular hole compatible with the first fastening bolt 8 can be opened on the outer ring support 10; a spring 18 is sleeved on the support rod 12 and located between the second connecting rod 14 and the supporting ear plate 16; the web shock-absorbing structure is formed by the quadrilateral connecting rod structure, the spring 18, the fixed seat plate 17 and the outer ring support 10. When the node rotates, it is first compressed by the spring 18, and then the energy is dissipated by bending based on the quadrilateral connecting rod structure, which can effectively reduce the energy dissipation in the earthquake.

[0019] In implementation, the top and bottom surfaces of the column circular web connection device 3 and the beam circular web connection device 4 are connected with beam-column flange connection devices; The beam-column flange connection device includes a first lower fixing plate 19 and a first upper clamping plate 20 fixed on the column circular web connection device 3, a connecting plate 21 is clamped and fixed between the first lower fixing plate 19 and the first upper clamping plate 20, and a second lower fixing plate 22 and a second upper clamping plate 23 are clamped and fixed on the upper and lower sides of the connecting plate 21 and fixed to the beam circular web connection device 4.

[0020] In practice, the first lower fixing plate 19, the first upper clamping plate 20 and the connecting plate 21 are all T-shaped plates. The through hole in the connecting plate 21 for connecting with the first lower fixing plate 19 and the first upper clamping plate 20 is a long hole.

[0021] During implementation, the column circular web connection device 3 and the beam circular web connection device 4 have the same structure, including a C-shaped support body 24, a rib plate 25 is arranged in the middle of the inner side of the C-shaped support body 24, and the end of the rib plate 25 is an arc shape adapted to the arc surface 5, and the arc surface 5 is arranged at the end of the C-shaped support body 24 and the rib plate 25; the first long hole 7 opened on the arc surface 5 is symmetrically arranged on both sides of the rib plate 25.

[0022] In practice, a column foundation connection device 26 is provided at the bottom end of the prefabricated column 1, and the column foundation connection device 26 is used to fix the prefabricated column 1 to the foundation structure, and can be fixed specifically by pre-embedded bolts in the foundation structure; like Figure 7 and Figure 8 As shown, the column foundation connection device 26 includes a bottom plate 27 and a top plate 28 arranged opposite to each other in the upper and lower parts. A special-shaped support body 29 is arranged on the bottom plate 27. The top of the special-shaped support body 29 abuts against the bottom surface of the top plate 28. The bottom surface of the top plate 28 is provided with a friction plate 30 that is arranged in contact with the side surface of the special-shaped support body 29. A C-shaped side plate 31 is supported between the bottom plate 27 and the top plate 28 and at the edge position. Figure 7 and Figure 8 The front C-shaped side plate 31 is not shown in the figure); the arrangement of the C-shaped side plates 31 around helps to transmit the axial force of the prefabricated column 1.

[0023] During implementation, the cross-section of the special-shaped support body 29 presents a structure in which the top angles of two isosceles triangles are connected, and the lower part of the special-shaped support body 29 presents a hollow structure. The special-shaped support body 29 and the friction plate 30 are provided with second long holes 32 opposite to each other, and the second long holes 32 are provided with second fastening bolts 33, so as to fasten the special-shaped support body 29 and the friction plate 30; an embedded plate is provided on the top surface of the top plate 28 for being embedded in the prefabricated column 1, and the bottom plate 27 is fixed to the foundation structure by embedded bolts in the foundation structure; under the action of an earthquake, the friction plate 30 rubs against the side of the special-shaped support body 29 and, with the cooperation of the second long hole 32 structure, can generate sliding friction, which effectively increases the shear resistance of the prefabricated column 1.

[0024] The above description is only the preferred embodiment of the present invention, and does not limit the scope of rights of the present invention. All equivalent changes made by using the contents of the present invention specification and its drawings are included in the scope of rights of the present invention.

Claims

1. An energy-dissipating connection assembled concrete frame structure, comprising prefabricated columns and assembled beams connected to the prefabricated columns, characterized in that: A column circular web connection device is installed on the side of the prefabricated column, and a beam circular web connection device is installed on the end of the assembled beam; the column circular web connection device and the beam circular web connection device both include concave arc surfaces, and the arc surfaces on both sides are connected to form a cylindrical cavity, and a damping mechanism is arranged in the cylindrical cavity; a first long hole is opened on the arc surfaces on both sides, and a first fastening bolt is arranged in the first long hole, and the damping mechanism is fixedly connected to the first fastening bolt.

2. The energy dissipation connection assembled concrete frame structure according to claim 1 is characterized in that: The damping mechanism comprises an inner column support and an outer ring support which are arranged concentrically, the outer ring support is adapted to the cylindrical cavity, and a damping unit is radially arranged between the inner column support and the outer ring support; The damping unit includes a support rod fixed on the inner column support, a first connecting rod is hinged on both sides of the support rod on the inner column support, a second connecting rod is hinged on the end of the first connecting rod, and the end of the second connecting rod is hinged to the support rod, and the first connecting rod and the second connecting rod on both sides form a quadrilateral structure; a third connecting rod is hinged between the hinge points of the first connecting rod and the second connecting rod on both sides; support ear plates are hinged on both sides of the outer end of the support rod, a fixed seat plate is arranged between the ends of the support ear plates, the fixed seat plate is abutted against the inner side of the outer ring support, and the first fastening bolt passes through the outer ring support and is fixed to the fixed seat plate; a spring is sleeved on the support rod and between the second connecting rod and the support ear plate.

3. The energy dissipation connection assembled concrete frame structure according to claim 1 is characterized in that: The top and bottom surfaces of the column circular web connecting device and the beam circular web connecting device are connected with beam-column flange connecting devices; The beam-column flange connection device includes a first lower fixing plate and a first upper clamping plate fixed on the column circular web connection device, a connecting plate clamped and fixed between the first lower fixing plate and the first upper clamping plate, and a second lower fixing plate and a second upper clamping plate clamped and fixed on the upper and lower sides of the connecting plate and fixed to the beam circular web connection device.

4. The energy dissipation connection assembled concrete frame structure according to claim 3 is characterized in that: The first lower fixing plate, the first upper clamping plate and the connecting plate are all T-shaped plates.

5. The energy dissipation connection assembled concrete frame structure according to claim 3 is characterized in that: The through hole in the connecting plate used for connecting with the first lower fixing plate and the first upper clamping plate is a long hole.

6. The energy dissipation connection assembled concrete frame structure according to claim 1 is characterized in that: The column circular web connection device and the beam circular web connection device have the same structure, including a C-shaped support body, a rib plate is arranged in the middle of the inner side of the C-shaped support body, and the end of the rib plate is an arc shape adapted to the arc surface, and the arc surface is arranged at the end of the C-shaped support body and the rib plate.

7. The energy dissipation connection assembled concrete frame structure according to claim 1 is characterized in that: A column foundation connection device is provided at the bottom end of the prefabricated column, and the column foundation connection device is used to fix the prefabricated column to the foundation structure; The column foundation connection device includes a bottom plate and a top plate arranged opposite to each other up and down, a special-shaped support body is arranged on the bottom plate, the top of the special-shaped support body is abutted against the bottom surface of the top plate, and a friction plate is arranged on the bottom surface of the top plate to fit the side of the special-shaped support body; a C-shaped side plate is supported between the bottom plate and the top plate and at the edge position.

8. The energy dissipation connection assembled concrete frame structure according to claim 7 is characterized in that: The lower part of the special-shaped support body is a hollow structure, and a second long hole is provided on the special-shaped support body and the friction plate relative to each other, and a second fastening bolt is arranged in the second long hole to fasten the special-shaped support body and the friction plate.

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