CN114960947B - An Assembled Steel Structure Reinforced Ring Plate Flange Beam-Column Joint and Its Application Method - Google Patents

Abstract

The invention discloses an assembled steel structure like reinforced ring-plate flange beam-column joint and a method of use thereof, belonging to the technical field of assembled building column joints, including upper steel columns and lower steel columns installed inside symmetrically arranged two sets of joint connection seats. For the steel column, the two groups of node connecting seats are provided with a reinforced ring plate on the side far away from each other. The reinforced ring plate is installed correspondingly to the flanges of the upper steel column and the lower steel column. The reinforced ring plate and the flange are correspondingly provided with mounting holes. And fixed connection by bolts, steel beams are installed around the two groups of node connection seats, the end faces of the steel beams are in contact with the upper and lower two sets of reinforced ring plates, and reinforced steel plates are installed between the two sides of the steel beams and the node connection seats, and through The screw is connected with the connecting hole on the node connecting seat, and the screw passes through the node connecting seat and is installed in the upper steel column and the lower steel column. A kind of beam column disclosed by the invention is improved through the mutual cooperation between the node connecting seat and the reinforced steel plate. The bearing capacity of beam-column joints and effective energy consumption are convenient for beam-column joints to be repaired after damage.

Description

An Assembled Steel Structure Reinforced Ring Plate Flange Beam-Column Joint and Its Application Method

technical field

The invention relates to the technical field of assembled building column joints, in particular to an assembled steel structure reinforced ring-plate flange beam-column joint and a method of use.

Background technique

Prefabricated buildings adopt standardized design, factory production, and assembly construction. A large number of on-site operations in traditional construction are transferred to the factory for prefabrication. They can be assembled and installed on site after being transported to the site during construction. It has many advantages such as low pollution and greatly reducing the number of construction workers on site, which is currently recognized as the future development trend of the construction industry.

Beam-column joints are important force-bearing and force-transmitting components in the structural system. Traditional construction methods often use simple bolts or welding to connect beams and columns. Their bearing capacity and energy consumption are insufficient. Nodes are easily damaged and poorly repairable.

Contents of the invention

In order to overcome the defects of the prior art, the technical problem to be solved by the present invention is to propose a mutual cooperation between the beam-column connection seat and the reinforced steel plate, which improves the bearing capacity of the beam-column joints and effective energy consumption, and facilitates later damage repair beam-column node.

For reaching this purpose, the present invention adopts following technical scheme:

The invention provides an assembled steel structure reinforced ring-plate flange beam-column joint, including an upper steel column and a lower steel column installed inside symmetrically arranged two sets of joint connection seats, and the two sets of joint connection seats are far away from each other One side is provided with a reinforcing ring plate, and the reinforcing ring plate is installed correspondingly to the flanges of the upper steel column and the lower steel column, and the reinforcing ring plate and the flange are correspondingly provided with mounting holes, and are fixedly connected by bolts;

Steel beams are installed around the two groups of node connecting seats, and the end faces of the steel beams are in contact with the upper and lower two sets of reinforced ring plates respectively. Reinforced steel plates are installed between the two sides of the steel beams and the node connecting seats, and pass through The screw is connected with the connecting hole on the node connection seat, and the screw passes through the node connection seat and is installed in the upper steel column and the lower steel column. Through the cooperation between the flange plate and the reinforcing ring plate, the upper steel column and the lower steel column are improved. The connection strength between the lower steel column and the steel beam, combined with the use of reinforced steel plates and bolts and screws, improves the bearing capacity and effective energy consumption of the steel beam connection, replacing the traditional simple bolt fixing or welding form, in strengthening The strength and supporting force of the beam-column joints are at the same time, which facilitates the repair of later damages and improves the convenience and efficiency of construction.

The preferred technical solution of the present invention is that the steel beam includes a beam and a support beam, the beam is located at the upper and lower ends of the support beam, and is in contact with the reinforcing ring plate, and the mounting holes on both sides of the beam are connected with bolts to further improve The strength of the steel beam connection.

The preferred technical solution of the present invention is that the end of the support beam close to the node connection seat passes through the node connection seat and is provided with a connection pressure plate, the connection pressure plate abuts against the inner walls of the upper steel column and the lower steel column, and the connection pressure plate increases To stabilize the connecting end of the upper steel column and the lower steel column, and improve the bearing capacity between the steel beams.

The preferred technical solution of the present invention is that one end of the upper steel column and the lower steel column passes through the reinforcing ring plates of the two sets of node connecting seats respectively, and moves to the inside of the two sets of node connecting seats until the flange plate and the reinforcing ring The plates are butted against each other, and are fixedly connected to the steel beam by bolts, which improves the stability of the installation of the upper steel column and the lower steel column, and further improves the connection strength with the steel beam.

The preferred technical solution of the present invention is that the reinforced steel plate includes a side plate that is fixedly connected to the supporting beam and the node connection seat by screws, and a top plate that is fixedly connected to the upper and lower two sets of beams by bolts, and the steel beam and the upper steel column are raised through the top plate. and the connection strength of the lower steel column, thereby improving the overall bearing capacity and energy consumption of the steel column.

The preferred technical solution of the present invention is that the end surfaces of the two groups of node connection seats are in contact with each other, and an occlusal groove is provided on the end surface toward the reinforcing ring plate, and the occlusal groove is set corresponding to the support beam for installing and fixing the steel beam, which is convenient Post damage repair.

The preferred technical solution of the present invention is that an installation groove is provided at the ends of the upper steel column and the lower steel column that are close to each other, and the installation groove is arranged along the periphery of the upper steel column and the lower steel column, and is arranged corresponding to the occlusal groove, so as to improve the height of the steel column. The strength and stability of the connection between the beam and the upper and lower steel columns.

The preferred technical solution of the present invention is that the height of the connecting platen is the same as the height of the support beam, and its width is greater than the width of the occlusal groove, so as to increase the supporting area of the connecting platen, the upper steel column and the lower steel column, and improve the connection between the steel beam and the upper steel column. The supporting role of the column and the lower steel column.

A method for using a prefabricated steel structure reinforced ring plate flange beam-column joint, comprising the following steps:

Step 1: Install the upper end of the lower steel column in a group of node connecting seats, so that the flange of the lower steel column and the reinforcing ring plate on the group of node connecting seats are fixed by bolts, but not completely locked;

Step 2: Install the four sets of steel beams around the node connecting seat, the supporting beam passes through the occlusal groove and the installation groove and is installed inside the node connecting seat, and the connecting pressure plate is in contact with the inner wall of the lower steel column, on both sides of the steel beam Install the upper reinforced steel plate, and fix and lock the flange plate, the reinforced ring plate, the beam and the lower top plate of the reinforced steel plate through bolts, and fix and lock the side plate of the reinforced steel plate with the node connection seat and the lower steel column through screws, and the steel plate The reinforced steel plates on both sides of the beam are fixedly connected by bolts;

Step 3: Install the lower end of the upper steel column in another group of node connecting seats, so that the flange of the upper steel column and the reinforcing ring plate on the group of node connecting seats are fixed by bolts, but not completely locked;

Step 4: Align the occlusal grooves around the node connecting seat and the installation grooves around the upper steel column in step 3 to the supporting beam and install, so that the reinforcing ring plate on the node connecting seat is in contact with the upper beam of the steel beam, and through the bolts Fix and lock the flange plate, reinforced ring plate, cross beam and the upper top plate of the reinforced steel plate, and contact the reinforced steel plate around the node connection seat, and fix and lock the upper steel column with screws to complete the beam column of the assembled steel structure Node assembly.

Through the above technical scheme, the steel beam is connected to the upper steel column and the lower steel column under the action of the node connection seat, and the stability and bearing capacity of the beam column are enhanced through the cooperation of the reinforced steel plate with bolts and screws. The connection between the ring plate and the beam improves the connection strength and effective energy consumption between beams and columns, which facilitates later damage repair and reduces construction difficulty.

The beneficial effects of the present invention are as follows: the present invention installs the upper steel column and the lower steel column in two groups of node connecting seats, makes the flange plate and the reinforcing ring plate correspondingly installed, and passes the supporting beams of the four groups of steel beams through the occlusal groove and The installation groove is installed in the two sets of node connecting seats, and the inner wall of the upper steel column and the lower steel column is abutted by the connecting pressure plate, so as to increase the contact area with the upper steel column and the lower steel column, and ensure that the upper steel column and the lower steel column The stability of the column installation, through the reinforcement effect of the reinforced steel plate 8, and the use of bolts and screws, the bearing capacity of the steel beam connection and the effective energy consumption are improved. At the same time as the joint strength and supporting force, it is convenient for the repair of later damage and improves the convenience and efficiency of construction.

The invention provides a beam-column joint that improves the bearing capacity and effective energy consumption of the beam-column joint through the cooperation of the joint connecting seat and the reinforced steel plate between the beam-column joints, and is convenient for later damage repair of the beam-column joint.

Description of drawings

Fig. 1 is a schematic diagram of a beam-column joint assembly structure provided in a specific embodiment of the present invention;

Fig. 2 is a cross-sectional view of the beam-column joint assembly structure provided in the specific embodiment of the present invention;

Fig. 3 is a top view of the beam-column joint assembly structure provided in the specific embodiment of the present invention;

Fig. 4 is a schematic structural diagram of a node connection seat provided in a specific embodiment of the present invention;

Fig. 5 is a schematic diagram of the structure of the upper steel column provided in the specific embodiment of the present invention.

In the accompanying drawings, the list of parts represented by each label is as follows:

1. Upper steel column; 11. Installation groove; 12. Installation hole; 2. Lower steel column; 3. Node connection seat; 31. Occlusion groove; 4. Steel beam; 41. Beam; 42. Supporting beam; 43. Connection Pressing plate; 5. Connecting hole; 6. Strengthening ring plate; 7. Flange; 8. Reinforced steel plate; 81. Top plate; 82. Side plate; 83. Screw; 9. Bolt.

Detailed ways

The technical solutions of the present invention will be further described below in conjunction with the accompanying drawings and through specific implementation methods.

An assembled steel structure reinforced ring-plate flange beam-column joint, including an upper steel column 1 and a lower steel column 2 installed inside symmetrically arranged two groups of node connection seats 3, the two groups of node connection seats are far away from each other A reinforcing ring plate 6 is arranged on the side, and the reinforcing ring plate 6 is installed correspondingly to the flanges 7 of the upper steel column 1 and the lower steel column 2, and the reinforcing ring plate 6 and the flange 7 are correspondingly provided with mounting holes 12 , and fixedly connected by bolts 9, steel beams 4 are installed around the two groups of node connecting seats 3, and the end faces of the steel beams 4 abut against the upper and lower two groups of reinforcing ring plates 6 respectively, and the two sides of the steel beams 4 A reinforced steel plate 8 is installed between the node connection seat 3 and connected to the connection hole 5 on the node connection seat 3 through a screw 83. The screw 83 passes through the node connection seat 3 and is installed on the upper steel column 1 and the lower steel column In 2, the upper steel column 1 and the lower steel column 2 are fixedly connected to the steel beam 4 through the joint connection seat 3, and the cooperation between the flange plate 7 and the reinforcing ring plate 6 improves the upper steel column 1 and the lower steel column. The connection strength between steel column 2 and steel beam 4, combined with the use of reinforced steel plate 8, bolt 9 and screw 83, improves the bearing capacity and effective energy consumption of steel beam connection, replacing traditional simple bolt fixing or welding The form, while enhancing the strength and supporting force of the beam-column joints, facilitates the repair of later damages and improves the convenience and efficiency of construction.

As a possible implementation of this solution, preferably, the steel beam 4 includes a cross beam 41 and a supporting beam 42, the cross beam 41 is located at the upper and lower ends of the supporting beam 42, and abuts against the reinforcing ring plate 6, the The mounting holes 12 on both sides of the beam 41 are connected with the bolts 9, and the steel beam 4 is fixedly connected with the beam 41, the reinforcing ring plate 6 and the flange 7 through the bolts 9, which further improves the strength of the steel beam connection.

As a possible implementation of this solution, preferably, the end of the supporting beam 42 close to the node connection seat 3 passes through the node connection seat 3 and is provided with a connection pressing plate 43, which is connected to the upper steel column 1 and the lower steel column 1. The inner walls of the steel columns 2 are in contact with each other, and the stability of the connecting ends of the upper steel column 1 and the lower steel column 2 is increased by connecting the pressure plate 43, and the bearing capacity between the steel beams is improved.

As a possible implementation of this solution, preferably, the lower end of the upper steel column 1 and the upper end of the lower steel column 2 pass through the reinforcing ring plates 6 of the two sets of node connecting seats 3 respectively, and The inside of the node connecting seat 3 moves until the flange 7 abuts against the reinforcing ring plate 6, and is fixedly connected with the steel beam 4 through the bolt 9, and the node connecting seat 3 is installed through the upper steel column 1 and the lower steel column 2, And under the action of the flange plate 7 and the reinforcing ring plate 6, the stability of the installation of the upper steel column 1 and the lower steel column 2 is improved, and the connection strength with the steel beam 4 is further improved.

As a possible implementation of this solution, preferably, the reinforced steel plate 8 includes a side plate 82 that is fixedly connected with the support beam 42 and the node connection seat 3 through screws 83, and is fixed with the upper and lower sets of beams 41 through bolts 9 The connected top plate 81 improves the connection strength between the steel beam 4 and the node connection seat 3 through the side plate 82, and improves the connection strength between the steel beam 4 and the upper steel column 1 and the lower steel column 2 through the top plate 81, thereby improving the overall support of the steel column power and energy consumption.

As a possible implementation of this solution, preferably, the end surfaces of the two groups of node connecting seats 3 are in contact with each other, and an occlusal groove 31 is provided on the end surface toward the reinforcing ring plate 6, and the occlusal groove 31 corresponds to the support beam 42, the occlusal groove 31 is offset against the support beam 42, and is used to install and fix the steel beam 4, which is convenient for later damage repair.

As a possible implementation of this solution, preferably, one end of the upper steel column 1 and the lower steel column 2 close to each other is provided with a mounting groove 11, and the mounting groove 11 is along the upper steel column 1 and the lower steel column 2. It is arranged around and corresponding to the occlusal groove 31. The upper steel column 1 and the lower steel column 2 are installed in cooperation with the steel beam 4 through the installation groove 11, and the connecting platen 43 is used to further limit the position, thereby improving the steel beam 4 and the upper steel column. 1 and the connection strength and stability of the lower steel column 2.

As a possible implementation of this solution, preferably, the height of the connecting platen 43 is the same as that of the support beam 42, and its width is greater than the width of the occlusal groove 31, so as to increase the connection between the connecting platen 43 and the upper steel column 1 and the lower steel column. The supporting area of the column 2 improves the supporting effect of the steel beam 4 and the upper steel column 1 and the lower steel column 2.

A method for using a prefabricated steel structure reinforced ring plate flange beam-column joint, comprising the following steps:

Step 1: Install the upper end of the lower steel column 2 in a group of node connecting seats 3, and fix the flange 7 of the lower steel column 2 with the reinforcing ring plate 6 on the group of node connecting seats 3 through bolts 9, but Not fully locked;

Step 2: Install the four sets of steel beams 4 around the node connecting seat 3, the supporting beam 42 passes through the occlusal groove 31 and the installation groove 11 and is installed inside the node connecting seat 3, and connects the connecting plate 43 with the inner wall of the lower steel column 2 butt against each other, install reinforcing steel plates 8 on both sides of the steel beam 4, and fix and lock the flange plate 7, reinforcing ring plate 6, beam 41 and lower end top plate 81 of the reinforcing steel plate 8 through bolts 9, and make the reinforcing steel plate 8 through screws 83 The side plate 82 of 8 is fixed and locked with the node connection seat 3 and the lower steel column 2, and the reinforced steel plates 8 on both sides of the steel beam 4 are fixedly connected by bolts 9;

Step 3: Install the lower end of the upper steel column 1 in another group of node connecting seats 3, and fix the flange plate 7 of the upper steel column 1 with the reinforcing ring plate 6 on the group of node connecting seats 3 through bolts 9, but not fully locked;

Step 4: Align the occlusal groove 31 around the node connection seat 3 and the installation groove 11 around the upper steel column 1 in step 3 to the support beam 42 and install it so that the reinforcement ring plate 6 on the node connection seat 3 is aligned with the steel beam 4 The upper beam 41 is in contact with each other, and the flange 7, the reinforcing ring plate 6, the beam 41 and the upper top plate 81 of the reinforced steel plate 8 are fixed and locked by bolts 9, and the surroundings of the node connection seat 3 are in contact with the reinforced steel plate 8, and are connected by screws. 83 is fixed and locked with the upper steel column 1, and the beam-column node assembly of the fabricated steel structure class is completed.

Through the above technical scheme, the steel beam 4 is connected to the upper steel column 1 and the lower steel column 2 under the action of the node connection seat 3, and the stability and bearing capacity of the beam column are enhanced through the cooperation of the reinforced steel plate 8, the bolt 9, and the screw 83 , through the connection between the flange plate 7 and the reinforcing ring plate 6 and the beam 41, the connection strength and effective energy consumption between beams and columns are improved, which facilitates later damage repair and reduces construction difficulty.

The present invention has been described through preferred embodiments, and those skilled in the art know that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of the present invention. The present invention is not limited by the specific embodiments disclosed here, and other embodiments falling within the claims of the present application all belong to the protection scope of the present invention.

Claims (7)

1. An assembled steel construction class reinforcing ring plate type flange beam column node which is characterized in that: the steel column structure comprises an upper steel column (1) and a lower steel column (2) which are arranged in two groups of symmetrically arranged node connecting seats (3), wherein a reinforcing annular plate (6) is arranged on one side, away from each other, of each two groups of node connecting seats, the reinforcing annular plate (6) is correspondingly arranged with a flange plate (7) of the upper steel column (1) and the lower steel column (2), and mounting holes (12) are correspondingly formed in the reinforcing annular plate (6) and the flange plate (7) and are fixedly connected through bolts (9);

the steel beam (4) is installed around two sets of node connecting seats (3), the terminal surface of girder steel (4) respectively with two sets of reinforcing ring plates (6) looks butt about, install between girder steel (4) both sides and node connecting seat (3) and consolidate steel sheet (8) to be connected with connecting hole (5) on node connecting seat (3) through screw (83), screw (83) pass node connecting seat (3) and install in last steel column (1) and lower steel column (2).

The steel beam (4) comprises a cross beam (41) and a supporting beam (42), wherein the cross beam (41) is positioned at the upper end and the lower end of the supporting beam (42) and is abutted to the reinforcing annular plate (6), and mounting holes (12) at two sides of the cross beam (41) are connected with bolts (9).

One end of the supporting beam (42) close to the node connecting seat (3) penetrates through the node connecting seat (3) and is provided with a connecting pressing plate (43), and the connecting pressing plate (43) is abutted against the inner walls of the upper steel column (1) and the lower steel column (2).

2. The fabricated steel structure-like reinforced annular plate type flange beam column node according to claim 1, wherein:

one ends of the upper steel column (1) and the lower steel column (2) respectively penetrate through the reinforcing annular plates (6) of the two groups of node connecting seats (3) and move towards the inside of the two groups of node connecting seats (3) until the flange plate (7) is abutted against the reinforcing annular plates (6) and fixedly connected with the steel beam (4) through bolts (9).

3. The fabricated steel structure-like reinforced annular plate type flange beam column node according to claim 1, wherein:

the reinforced steel plate (8) comprises side plates (82) fixedly connected with the supporting beams (42) and the node connecting seats (3) through screws (83), and top plates (81) fixedly connected with the upper and lower groups of cross beams (41) through bolts (9).

4. The fabricated steel structure-like reinforced annular plate type flange beam column node according to claim 1, wherein:

the end faces of the two groups of node connecting seats (3) are abutted, and the end faces are provided with engagement grooves (31) towards the direction of the reinforcing ring plate (6), and the engagement grooves (31) are arranged corresponding to the supporting beams (42).

5. The fabricated steel structure-like reinforced annular plate type flange beam column node according to claim 1, wherein:

the mounting groove (11) is formed in one end, close to each other, of the upper steel column (1) and the lower steel column (2), and the mounting groove (11) is formed in the periphery of the upper steel column (1) and the periphery of the lower steel column (2) and corresponds to the occlusion groove (31).

6. The fabricated steel structure-like reinforced annular plate type flange beam column node according to claim 1, wherein:

the connecting pressure plate (43) has the same height as the supporting beam (42) and a width larger than that of the engagement groove (31).

7. A method of using the fabricated steel structure-like reinforced ring-plate flange beam-column node of any one of claims 1-6, comprising the steps of:

step 1: the upper end part of the lower steel column (2) is arranged in a group of node connecting seats (3), so that a flange plate (7) of the lower steel column (2) is fixed with a reinforcing annular plate (6) on the group of node connecting seats (3) through bolts (9), but is not completely locked;

step 2: four groups of steel beams (4) are arranged on the periphery of a node connecting seat (3), supporting beams (42) penetrate through a meshing groove (31) and an installation groove (11) and are arranged inside the node connecting seat (3), connecting pressing plates (43) are abutted against the inner wall of a lower steel column (2), reinforcing steel plates (8) are arranged on two sides of each steel beam (4), a flange plate (7), a reinforcing annular plate (6), a cross beam (41) and a lower top plate (81) of each reinforcing steel plate (8) are fixedly locked through bolts (9), side plates (82) of the corresponding reinforcing steel plates (8) are fixedly locked with the node connecting seat (3) and the corresponding lower steel column (2) through bolts (83), and the reinforcing steel plates (8) on two sides of each steel beam (4) are fixedly connected through the bolts (9);

step 3: the lower end part of the upper steel column (1) is arranged in the other group of node connecting seats (3), so that the flange plate (7) of the upper steel column (1) and the reinforcing ring plate (6) on the group of node connecting seats (3) are fixed through bolts (9), but are not completely locked;

step 4: the method comprises the steps of installing the engagement grooves (31) around the node connecting seat (3) and the installation grooves (11) around the upper steel column (1) in the step 3 by aligning with supporting beams (42), enabling a reinforcing ring plate (6) on the node connecting seat (3) to be abutted against an upper end cross beam (41) of a steel beam (4), fixing and locking a flange plate (7), the reinforcing ring plate (6), the cross beam (41) and an upper end top plate (81) of a reinforced steel plate (8) through bolts (9), enabling the periphery of the node connecting seat (3) to be abutted against the reinforced steel plate (8), and fixedly locking the node connecting seat with the upper steel column (1) through bolts (83), so that beam column node assembly of an assembled steel structure type is completed.

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