CN211735743U

CN211735743U - Full-assembly type concrete beam-column joint based on long round holes and T-shaped connecting pieces

Info

Publication number: CN211735743U
Application number: CN201921971283.9U
Authority: CN
Inventors: 胡淑军; 廖志勇; 黄海; 熊进刚; 姜俊
Original assignee: Nanchang University
Current assignee: Nanchang University
Priority date: 2019-11-14
Filing date: 2019-11-14
Publication date: 2020-10-23
Anticipated expiration: 2029-11-14

Abstract

The utility model discloses a full assembled concrete beam column node based on slotted hole and T shape connecting piece, including full assembled concrete column and full assembled concrete beam, full assembled concrete beam is located the right side setting of full assembled concrete column. The fully-assembled concrete beam-column joint based on the oblong holes and the T-shaped connecting pieces can effectively ensure the reliability of stress and energy consumption of the fully-assembled concrete beam-column joint, and ensure that all embedded parts and concrete on the fully-assembled concrete column and the fully-assembled concrete beam are always in elasticity when forced horizontal stress is applied by large acting force, when an earthquake damages the opening parts of the second horizontal steel plate and the second vertical steel plate, only the second horizontal steel plate and the second vertical steel plate are replaced, so that the earthquake resistance, the ductility and the bearing capacity of the combined joint can be effectively improved, and the fully-assembled concrete beam-column joint based on the oblong holes and the T-shaped connecting pieces has the advantages of high ductility, strong energy consumption, high-efficiency assembly, good earthquake resistance, considerable function restorability and the like, and can realize the effect of economic benefit.

Description

Full-assembly type concrete beam-column joint based on long round holes and T-shaped connecting pieces

Technical Field

The utility model relates to a full assembled concrete beam column node technical field specifically is a full assembled concrete beam column node based on slotted hole and T shape connecting piece.

Background

The fully-assembled concrete frame structure mainly comprises a fully-assembled concrete column, a fully-assembled concrete beam and a fully-assembled concrete beam column joint. Fully assembled concrete column and fully assembled concrete beam belong to common component, and all are comparatively ripe in aspects such as design and preparation. However, it is one of the problems that needs to be solved at present to set up reliable node connection between a fully assembled concrete column and a fully assembled concrete beam so that the fully assembled concrete column and the fully assembled concrete beam meet the requirements of easy assembly, strong connection, high ductility and the like. In addition, the current country puts higher requirements on the seismic performance and the post-earthquake function recovery capability of the structure, the performance, the energy consumption capability and the rigidity of the fully-assembled concrete beam-column joint need to be further improved, and the damage is controlled on the energy consumption component which can be quickly replaced, so that the corresponding joint and the fully-assembled concrete frame structure meet the current seismic requirements. Therefore, the fully-assembled concrete beam-column joint based on the oblong hole and the T-shaped connecting piece has the advantages of high ductility, high energy consumption, efficient assembly, good anti-seismic performance, function restorability and the like, the horizontal T-shaped connecting piece I, the horizontal T-shaped connecting piece II and the vertical T-shaped connecting piece are expected to jointly bear the bending moment and the shearing force of the fully-assembled concrete beam-column joint under the action of an earthquake, the high-strength bolt between the horizontal T-shaped connecting piece II and the vertical T-shaped connecting piece slides in the oblong hole, the energy consumption capability of the joint can be effectively improved, and member damage is guaranteed to be only caused on the replaceable connecting piece. Based on this, the invention provides a full-assembly type concrete beam-column joint based on the slotted holes and the T-shaped connecting pieces.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The utility model provides a not enough to prior art, the utility model provides a full assembled concrete beam column node based on slotted hole and T shape connecting piece has solved and can not effectual solution repair fast between the current full assembled concrete beam to and assemble difficult and not have ductile problem.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: a full-assembly type concrete beam column node based on a long circular hole and a T-shaped connecting piece comprises a full-assembly type concrete column and a full-assembly type concrete beam, wherein the full-assembly type concrete beam is arranged on the right side of the full-assembly type concrete column, longitudinal steel bars and stirrups in the column are arranged in the full-assembly type concrete column, longitudinal steel bars and stirrups in the beam are arranged in the full-assembly type concrete beam, embedded sleeves in two groups of columns penetrate through the side face of the full-assembly type concrete column, each group of the full-assembly type concrete column is composed of two embedded sleeves in the columns, the two groups of the embedded sleeves in the columns are symmetrically arranged above and below the full-assembly type concrete beam respectively, a steel plate embedded in the second column penetrates through the left side surface of the embedded sleeve in each group of the columns, a steel plate embedded in the first column penetrates through the right side surface of the embedded sleeve in each group of the columns, the embedded steel plates in the first columns and the embedded steel plates in the second columns are embedded and cast in place on two sides of the interior of the fully assembled concrete column, two first vertical steel plates are arranged on the right side of the fully assembled concrete column, the side faces of the two first vertical steel plates are respectively in extrusion contact with the right sides of the embedded steel plates in the two first columns, a first thread pull rod penetrates through the middle of an embedded sleeve in the column, fastening nuts are sleeved on two sides of the surface of the first thread pull rod in a threaded manner, embedded webs in the columns are fixedly welded on the right sides of the embedded steel plates in the second columns, the left sides of the embedded webs in the columns are embedded in the interior of the fully assembled concrete column and cast, the right sides of the embedded webs in the columns penetrate through the side faces of the embedded steel plates in the first columns and the first vertical steel plates and extend to the exterior of the fully assembled concrete column, and the embedded webs in the two columns are respectively attached to the top and the bottom of the fully assembled concrete column, the length of an embedded web plate in the upper column is greater than that of an embedded web plate in the lower column, embedded steel plates in a second beam are poured at the top and the bottom of an inner cavity of the fully-assembled concrete beam in an embedded mode, the top of the embedded steel plate in the upper second beam is in contact with the bottom of the embedded web plate in the column in an attached mode, a first horizontal steel plate is in contact with the bottom of the embedded steel plate in the lower second beam in an attached mode, the embedded web plate in the beam is fixedly connected between the embedded steel plates in the two second beams, two embedded sleeves in the beam are arranged on the top of the fully-assembled concrete beam in a penetrating mode, the middle of each embedded sleeve in the beam is cast in the fully-assembled concrete beam in a embedded mode, the top of each embedded sleeve in the beam penetrates through the surfaces of the embedded web plate in the column and the embedded steel plates in the second beam, and two second vertical steel plates are fixedly connected, the beam is characterized in that a second thread opposite pull rod penetrates through the inside of the embedded sleeve, a fastening nut is sleeved on the surface thread of the second thread opposite pull rod, the second thread opposite pull rod is in extrusion contact with a second vertical steel plate, the left side of the second horizontal steel plate is fixedly connected with the right side of the first vertical steel plate, two high-strength bolts penetrate through the side surface of the second vertical steel plate symmetrically, and high-strength anti-slip nuts are respectively sleeved at the two ends of the high-strength bolts in a threaded manner.

Preferably, the right side of the pre-buried steel plate in the first column is fixedly connected with two arc-shaped shear plates, and the two arc-shaped shear plates are respectively distributed in bilateral symmetry with the middle of the pre-buried steel plate in the first column.

Preferably, both sides of the second horizontal steel plate are fixedly connected with stiffening ribs, and the left sides of the stiffening ribs are fixedly connected with the right sides of the first vertical steel plates.

Preferably, the surface of the high-strength bolt is provided with a plurality of gaskets, and the surface of each gasket is in pressing contact with the surface of the high-strength anti-slip nut.

(III) advantageous effects

The utility model provides a full assembled concrete beam column node based on slotted hole and T shape connecting piece. The method has the following beneficial effects:

(1) the fully assembled concrete beam-column joint based on the oblong hole and the T-shaped connecting piece is characterized in that the stress and energy consumption reliability of the fully assembled concrete beam-column joint can be effectively ensured by matching the pre-embedded steel plates in the first column, the pre-embedded steel plates in the second column, the pre-embedded web plate in the column, the pre-embedded sleeves in the column, the first vertical steel plate, the first horizontal steel plate, the second horizontal steel plate and the second vertical steel plate, and the pre-embedded web plate in the beam, the pre-embedded sleeves in the beam, the first vertical steel plate, the first horizontal steel plate, the second horizontal steel plate and the second vertical steel plate are used, all the pre-embedded parts and the concrete on the fully assembled concrete column and the fully assembled concrete beam are always in elasticity when forced horizontal stress is applied to the large acting force, when an earthquake damages are caused to the opening parts of the second horizontal steel plate and the second vertical steel plate, only the second horizontal steel plate and the second vertical steel plate are replaced, therefore, the anti-seismic performance, ductility and bearing capacity of the combined node can be effectively improved, and the combined node has the advantages of high ductility, high energy consumption, high-efficiency assembly, good anti-seismic performance, function restorability and the like, and can realize the effect of considerable economic benefit.

Drawings

FIG. 1 is a front view of the structure of the present invention;

FIG. 2 is an enlarged schematic view of the point A of the structure of FIG. 1 of the present invention;

FIG. 3 is an enlarged schematic view of the point B in the structure of FIG. 1 of the present invention;

FIG. 4 is a schematic cross-sectional view taken along line E-E of FIG. 1;

FIG. 5 is a schematic cross-sectional view taken along line C-C of FIG. 1;

FIG. 6 is a schematic cross-sectional view taken along line D-D of FIG. 1;

FIG. 7 is a schematic sectional view taken along line F-F of FIG. 1;

FIG. 8 is a schematic front view of a second horizontal steel plate according to the present invention;

fig. 9 is a schematic front view of the second vertical steel plate of the present invention.

In the figure: 1. a fully fabricated concrete column; 2. a fully fabricated concrete beam; 3. embedding a steel plate in the first column; 4. embedding a steel plate in the second column; 5. embedding a web plate in the column; 6. embedding a sleeve in the column; 7. an arc-shaped shear plate; 8. the first thread is opposite to the pull rod; 9. longitudinal steel bars in the column; 10. hooping; 11. the second thread is opposite to the pull rod; 12. high-strength anti-slip screw caps; 13. a gasket; 14. a high-strength bolt; 15. embedding a steel plate in the second beam; 16. pre-burying a web plate in the beam; 17. embedding a sleeve in the beam; 18. a stiffening rib; 19. longitudinal ribs in the beam; 20. a first vertical steel plate; 21. a first horizontal steel plate; 22. a second horizontal steel plate; 23. and a second vertical steel plate.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-9, the utility model provides a technical solution: a full-assembly type concrete beam column node based on a long circular hole and a T-shaped connecting piece comprises a full-assembly type concrete column 1 and a full-assembly type concrete beam 2, wherein the full-assembly type concrete beam 2 is arranged on the right side of the full-assembly type concrete column 1, a longitudinal steel bar 9 and a stirrup 10 in the column are arranged inside the full-assembly type concrete column 1, a longitudinal steel bar 19 and a stirrup 10 in the beam are arranged inside the full-assembly type concrete beam 2, embedded sleeves 6 in two groups of columns are embedded in the side face of the full-assembly type concrete column 1 in a penetrating mode, each group is composed of embedded sleeves 6 in the two groups of columns, the embedded sleeves 6 in the two groups of columns are symmetrically arranged above and below the full-assembly type concrete column 2 respectively, embedded steel plates 4 in the second column are fixedly penetrated through the left side surfaces of the embedded sleeves 6 in each group of columns, embedded steel plates 3 in the first column are fixedly penetrated through the right side surfaces of the embedded sleeves 6 in each group of columns, the embedded steel plates 3 in the first column and the embedded steel plates 4 in the second column are embedded and cast on two sides of the inside of the fully assembled concrete column 1 in a cast-in-place mode, two first vertical steel plates 20 are arranged on the right side of the fully assembled concrete column 1, the side faces of the two first vertical steel plates 20 are in extrusion contact with the right sides of the embedded steel plates 3 in the two first columns respectively, a first thread pair pull rod 8 penetrates through the middle part of an embedded sleeve 6 in the column, fastening nuts are sleeved on the two sides of the surface of the first thread pair pull rod 8 in a threaded manner, embedded webs 5 in the column are fixedly welded on the right side of the embedded steel plates 4 in the second column, the left sides of the embedded webs 5 in the column are embedded in the fully assembled concrete column 1 in a casting mode, the right sides of the embedded webs 5 in the column penetrate through the side faces of the embedded steel plates 3 in the first column and the first vertical steel plates 20 and extend to the outside of the fully assembled concrete column 1, the embedded webs 5 in the two, the length of the embedded web 5 in the upper column is greater than that of the embedded web 5 in the lower column, the right side of the embedded steel plate 3 in the first column is fixedly connected with two arc-shaped shear plates 7, the two arc-shaped shear plates 7 are respectively distributed in bilateral symmetry in the middle of the embedded steel plate 3 in the first column, and the arrangement of the arc-shaped shear plates 7 enhances the connection strength between the embedded steel plate 3 in the first column and the first vertical steel plate 20, the embedded steel plate 15 in the second beam is embedded and cast at the top and the bottom of the inner cavity of the fully-assembled concrete beam 2, the top of the embedded steel plate 15 in the upper second beam is in contact with the bottom of the embedded web 5 in the column in a laminating manner, the bottom of the embedded steel plate 15 in the lower second beam is in contact with the first horizontal steel plate 21 in a laminating manner, the embedded web 16 in the beam is fixedly connected between the embedded steel plates 15 in the two second beams, the top of the fully-assembled concrete beam 2 is provided with two embedded sleeves 17 in the two, the middle part of an embedded sleeve 17 in a beam is embedded and cast in place in the fully assembled concrete beam 2, the top part of the embedded sleeve 17 in the beam penetrates through the surface of an embedded web 5 in a column and an embedded steel plate 15 in a second beam, the bottom part of a first horizontal steel plate 21 is fixedly connected with two second vertical steel plates 23, a second thread pull rod 11 penetrates through the inside of the embedded sleeve 17 in the beam, a fastening nut is sleeved on the surface thread of the second thread pull rod 11, the two second vertical steel plates 23 are in extrusion contact with a second horizontal steel plate 22, the left side of the second horizontal steel plate 22 is fixedly connected with the right side of the first vertical steel plate 20, stiffening ribs 18 are fixedly connected with the two sides of the second horizontal steel plate 22, the left side of the stiffening rib 18 is fixedly connected with the right side of the first vertical steel plate 20 below, and the connecting strength of the first vertical steel plate 20 and the second horizontal steel plate 22 below is enhanced through the arrangement of the stiffening rib 18, two high-strength bolts 14 symmetrically penetrate through the side face of the second vertical steel plate 23, the two ends of each high-strength bolt 14 are respectively in threaded sleeve connection with a high-strength anti-slip nut 12, a plurality of gaskets 13 are arranged on the surface of each high-strength bolt 14, the surface of each gasket 13 is in extrusion contact with the surface of each high-strength anti-slip nut 12, and the gaskets 13 are arranged, so that the effect of improving the stability of the high-strength bolts 14 is achieved.

When the fully assembled concrete beam column joint is used, whether parts are damaged or not are not firmly connected is firstly checked, the fully assembled concrete beam column joint is used after error is checked, the fully assembled concrete column 1 is pre-embedded with the steel plate 3 in the first column, the steel plate 4 in the second column, the web 5 in the column and the sleeve 6 in the column, then the fully assembled concrete beam 2 is pre-embedded with the steel plate 15 in the second beam, the web 16 in the beam and the sleeve 17 in the beam, concrete is respectively poured, so that the fully assembled concrete column 1 and the fully assembled concrete beam 2 are formed, then the pull rod 11 is connected with the drawing figure 1 through the first thread 8 and the second thread, the pull rod is mutually tied and fixed through the thread cap, the second horizontal steel plate 22 is butt-jointed with the first vertical steel plate 20 through the high-strength bolt 14, under the action of an earthquake, the second horizontal steel plate 22 and the second vertical steel plate 23 can effectively transfer bending moment and shearing force of the fully-assembled concrete beam-column joint, the high-strength bolt 14 slides in the horizontal long circular hole to consume energy, and the rotation capacity and ductility of the joint are improved, so that the seismic performance and the post-seismic function recovery capacity of the beam-column joint are improved, and the fully-assembled concrete beam-column joint has the advantages of high ductility, high energy consumption, efficient assembly, good seismic performance, function recovery and the like, and meanwhile, the content which is not described in detail in the specification belongs to the prior art known by professional technicians in the field.

To sum up, the fully assembled concrete beam-column joint based on the oblong hole and the T-shaped connecting piece has the advantages that the reliability of stress and energy consumption of the fully assembled concrete beam-column joint can be effectively ensured by using the pre-embedded steel plates 3 in the first column, the pre-embedded steel plates 4 in the second column, the pre-embedded web plates 5 in the column, the pre-embedded sleeves 6 in the column, the first thread pair pull rod 8, the second thread pair pull rod 11, the high-strength anti-slip screw caps 12, the high-strength bolts 14, the pre-embedded steel plates 15 in the second beam, the pre-embedded web plates 16 in the beam, the pre-embedded sleeves 17 in the beam, the first vertical steel plates 20, the first horizontal steel plates 21, the second horizontal steel plates 22 and the second vertical steel plates 23 in a matching way, all the pre-embedded parts and the concrete on the fully assembled concrete column and the fully assembled concrete beam are always in elasticity when forced horizontal stress is carried out under a large acting force, and when an earthquake causes damage to the opening parts of the second, only the second horizontal steel plate 22 and the second vertical steel plate 23 are replaced, so that the anti-seismic performance, ductility and bearing capacity of the combined node can be effectively improved, the combined node has the advantages of high ductility, high energy consumption, high-efficiency assembly, good anti-seismic performance, function restorability and the like, and the effect of considerable economic benefit can be realized.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a full assembled concrete beam column node based on slotted hole and T shape connecting piece, includes full assembled concrete post (1) and full assembled concrete beam (2), its characterized in that: the fully-assembled concrete column is characterized in that the fully-assembled concrete beam (2) is arranged on the right side of the fully-assembled concrete column (1), longitudinal steel bars (9) and stirrups (10) in the column are arranged in the fully-assembled concrete column (1), longitudinal bars (19) and stirrups (10) in the beam are arranged in the fully-assembled concrete beam (2), embedded sleeves (6) in two groups of columns penetrate through the side surface of the fully-assembled concrete column (1), each group of the fully-assembled concrete column is composed of two embedded sleeves (6) in the column, the two groups of the embedded sleeves (6) in the column are symmetrically arranged above and below the fully-assembled concrete column (2), embedded steel plates (4) in the second column penetrate through the left side surface of each group of the embedded sleeves (6) in the column, a first embedded steel plate (3) in the column penetrates through the surface of the right side of each group of the embedded sleeves (6) in the column, the cast-in-place concrete column is characterized in that both sides of embedded steel plates (3) in the first column and embedded steel plates (4) in the second column are embedded in advance and cast in the whole assembled concrete column (1), the right side of the whole assembled concrete column (1) is provided with two first vertical steel plates (20), the side faces of the first vertical steel plates (20) are in extrusion contact with the right sides of the embedded steel plates (3) in the two first columns respectively, a first thread pair pull rod (8) penetrates through the middle of an embedded sleeve (6) in the column, fastening nuts are sleeved on the two sides of the surface of the first thread pair pull rod (8) in a threaded manner, embedded webs (5) in the column are fixedly welded on the right sides of the embedded steel plates (4) in the second column, the left side of the embedded webs (5) in the column is embedded in the whole assembled concrete column (1), the right sides of the embedded webs (5) in the column penetrate through the side faces of the embedded steel plates (3) in the first column and the first vertical steel plates (20) and extend to The concrete column is characterized in that two embedded webs (5) in the column are respectively attached to the top and the bottom of a fully assembled concrete beam (2) outside the concrete column (1), the length of the embedded web (5) in the column above is larger than that of the embedded web (5) in the column below, second beam embedded steel plates (15) are embedded and poured in the top and the bottom of an inner cavity of the fully assembled concrete beam (2), the top of the embedded steel plate (15) in the second beam above is in contact with the bottom of the embedded web (5) in the column in an attaching manner, a first horizontal steel plate (21) is in contact with the bottom of the embedded steel plate (15) in the second beam below in an attaching manner, an in-beam embedded web (16) is fixedly connected between the two second beam embedded steel plates (15), two in-beam embedded sleeves (17) are arranged on the top of the fully assembled concrete beam (2) in a penetrating manner, and the embedded concrete in the beam (17) is cast in place in the fully assembled concrete beam (2), the top of pre-buried sleeve (17) in the roof beam runs through the surface of pre-buried web (5) in the post and pre-buried steel sheet (15) in the second roof beam, the bottom fixedly connected with two vertical steel sheet (23) of second of first horizontal steel sheet (21), the inside of pre-buried sleeve (17) in the roof beam runs through second screw thread to pull rod (11), the surface screw thread of second screw thread to pull rod (11) has cup jointed fastening nut, two the extrusion contact of second vertical steel sheet (23) has second horizontal steel sheet (22), the left side of second horizontal steel sheet (22) and the right side fixed connection of first vertical steel sheet (20), the side symmetry of second vertical steel sheet (23) has run through two high strength bolts (14), the both ends of high strength bolt (14) have respectively screw thread to cup joint high strength anti-skidding nut (12).

2. A fully assembled concrete beam and column joint based on oblong holes and T-shaped connectors according to claim 1, characterized in that: two arc shear plates (7) are fixedly connected to the right side of the embedded steel plate (3) in the first column, and the two arc shear plates (7) are distributed in a bilateral symmetry mode in the middle of the embedded steel plate (3) in the first column respectively.

3. A fully assembled concrete beam and column joint based on oblong holes and T-shaped connectors according to claim 1, characterized in that: the two sides of the second horizontal steel plate (22) are fixedly connected with stiffening ribs (18), and the left side of each stiffening rib (18) is fixedly connected with the right side of the first vertical steel plate (20).

4. A fully assembled concrete beam and column joint based on oblong holes and T-shaped connectors according to claim 1, characterized in that: the surface of the high-strength bolt (14) is provided with a plurality of gaskets (13), and the surface of each gasket (13) is in pressing contact with the surface of the high-strength anti-slip nut (12).