CN112049258A - End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method - Google Patents

End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method Download PDF

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Publication number
CN112049258A
CN112049258A CN202011061682.9A CN202011061682A CN112049258A CN 112049258 A CN112049258 A CN 112049258A CN 202011061682 A CN202011061682 A CN 202011061682A CN 112049258 A CN112049258 A CN 112049258A
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China
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plate
shaped steel
shaped
steel beam
connecting piece
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CN202011061682.9A
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Chinese (zh)
Inventor
高潮
董顺
李向前
梁程
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China Three Gorges Corp
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China Three Gorges Corp
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Priority to CN202011061682.9A priority Critical patent/CN112049258A/en
Publication of CN112049258A publication Critical patent/CN112049258A/en
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    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/38—Connections for building structures in general
    • E04B1/58—Connections for building structures in general of bar-shaped building elements
    • E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
    • E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2406—Connection nodes
    • E—FIXED CONSTRUCTIONS
    • E04—BUILDING
    • E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403—Connection details of the elongated load-supporting parts
    • E04B2001/2448—Connections between open section profiles

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Joining Of Building Structures In Genera (AREA)

Abstract

The invention discloses an end plate node of an embedded connecting piece for H-shaped steel beam-column connection and a preparation method. Wherein, embedded connecting piece end plate node is connected to H shaped steel roof beam-post: an embedded connecting piece is fixed between the two flanges of the H-shaped steel column, a weak-axis direction H-shaped steel beam is connected onto the embedded connecting piece, a strong-axis direction H-shaped steel beam is fixed with the flanges of the H-shaped steel column through end plates, and grouting materials are filled in the cavity of the embedded connecting piece. The preparation method comprises the following steps: bending the U-shaped plate and forming bolt holes; the panel and the stiffening plate form a T-shaped assembly; the lower part of the U-shaped plate is connected with a bottom plate and is connected with the T-shaped assembly to form an embedded connecting piece; connecting an H-shaped steel beam in the direction of a weak axis on the panel; connecting an end plate at the end part of the H-shaped steel beam in the strong axis direction and arranging a bolt hole on the end plate; connecting the H-shaped steel column, the embedded connecting piece and the end plate by using a high-strength bolt; and grouting slurry into the cavity of the embedded connecting piece. The invention has convenient and reliable connection, convenient construction and excellent mechanical property.

Description

End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method
Technical Field
The invention belongs to the technical field of H-shaped steel beam connection and preparation, and relates to an end plate node of an embedded connecting piece for H-shaped steel beam-column connection and a preparation method.
Background
The steel structure is widely applied to the field of building structures, in particular to high-rise and large-span structures. The steel has the advantages of high strength and strong toughness, and the internal organization structure of the material is uniform and is close to an isotropic homogeneous body, so that the working performance of the steel in practice is more consistent with the calculation theory, and the steel has higher reliability. Meanwhile, the steel structure is one of the most industrialized structural forms. The steel structure is manufactured and installed with high mechanization degree, so that the steel structure can be conveniently assembled in factories and construction sites, the finished products of the factory mechanical manufacture have high precision and high production efficiency, and the construction site assembly speed is high and the construction period is short. The H-shaped steel has the advantages that the height-width ratio of the section size is reasonably distributed according to different purposes, and the H-shaped steel has excellent mechanical properties and excellent service performance. The H-shaped steel has good plasticity and flexibility, high structural stability, strong natural disaster resistance and is suitable for building structures bearing large vibration and impact load, and particularly suitable for building structures with a plurality of earthquake occurrence zones. However, limited by the H-shaped section of the H-shaped steel, the H-shaped steel beam-column joint has a strong axis and a weak axis, the weak axis direction has great difficulty in installation, and the rigidity and the bearing capacity of the joint in the weak axis direction are obviously lower than those of the joint in the strong axis direction. In order to solve the problems, a node which is suitable for the directions of the strong axis and the weak axis of the H-shaped steel beam-column is necessary.
Disclosure of Invention
The invention aims to provide a beam-column connection embedded connecting piece end plate node which can be used for conveniently connecting beams in the directions of a strong axis and a weak axis and has good mechanical property and a preparation method thereof.
In order to solve the technical problems, the technical scheme adopted by the invention is as follows: the steel beam-column connection embedded connecting piece end plate node comprises an H-shaped steel column embedded connecting piece end plate node, wherein a strong shaft direction H-shaped steel beam and end plate combination is arranged in the strong shaft direction of the H-shaped steel column, the strong shaft direction H-shaped steel beam and the end plate are fixedly connected, an embedded connecting piece is arranged in the weak shaft direction of the H-shaped steel column, the embedded connecting piece and the weak shaft direction H-shaped steel beam are fixedly connected, a bottom plate is arranged at the lower portion in a cavity of the embedded connecting piece, and grouting materials are filled in a space surrounded by the embedded connecting piece and the bottom. The embedded connecting piece is formed by connecting a U-shaped plate and a T-shaped assembly, the U-shaped plate is formed by bending a whole plate and is divided into two areas of a U-shaped plate side wall and a U-shaped plate back plate, and the bending part is a round angle. The T-shaped assembly is formed by connecting a panel and a stiffening plate, the panel (24) is lower than the U-shaped plate (23) and higher than the H-shaped steel beam (4) in the direction of the weak axis, side plate bolt holes are formed in the side wall of the U-shaped plate, backboard bolt holes are formed in the backboard of the U-shaped plate, and the backboard bolt holes are arranged in double rows and are symmetrical by taking the stiffening plate as a symmetry axis. The embedded connecting piece is embedded into a U-shaped groove formed by enclosing of an H-shaped steel column web and an H-shaped steel column flange, the outer vertical surface of the panel is flush with the outer edge of the H-shaped steel column flange, the panel is connected with the H-shaped steel beam flange in the weak axis direction and the H-shaped steel beam web in the weak axis direction, and the stiffening plate corresponds to the H-shaped steel beam web in the weak axis direction. The end plate is vertically connected to the end portion of the H-shaped steel beam in the strong axis direction, end plate bolt holes are formed in the end plate, H-shaped steel column web plate bolt holes which are arranged in double rows are formed in the H-shaped steel column web plate, and H-shaped steel column flange bolt holes which are arranged in double rows are formed in the H-shaped steel column flange. The embedded connecting piece is fixedly connected with the web plate of the H-shaped steel column through a high-strength bolt, and the H-shaped steel beam in the strong axis direction is fixedly connected with the H-shaped steel column and the embedded connecting piece through an end plate through the high-strength bolt. The two bottom plates are symmetrically arranged by taking the stiffening plates as symmetrical axes, and the positions of the stiffening plates are not lower than the side plate bolt holes at the bottommost part and not higher than the flange of the H-shaped steel beam in the downward weak axis direction.
The H-shaped steel beam or the H-shaped steel column is connected or hot-rolled H-shaped steel.
The high-strength bolt is a large hexagonal high-strength bolt or a torsional shear type high-strength bolt.
The invention also provides a preparation method of the end plate node of the embedded connecting piece for H-shaped steel beam-column connection, which is characterized by comprising the following steps of:
step 1, bending a steel plate to form the U-shaped plate and arranging bolt holes: bending the steel plate to form a U-shaped plate, so that the U-shaped plate forms a round angle at a corner, forming side plate bolt holes on the side wall of the U-shaped plate, and forming back plate bolt holes on the back plate of the U-shaped plate;
step 2, connecting a bottom plate on the U-shaped plate: a bottom plate is connected to the position near the upper part of a side plate bolt hole at the lower part of the embedded connecting piece, and the bottom plate is vertical to the U-shaped plate;
step 3, connecting a stiffening plate at the vertical center line of the panel: connecting the stiffening plates at the vertical center line position of the panel to form a T-shaped combination;
step 4, connecting a T-shaped assembly on the U-shaped plate: embedding the T-shaped combination body into the U-shaped plate, connecting the end part of the panel with the inner side of the side wall of the U-shaped plate, connecting the end part of the stiffening plate with the inner wall of the vertical surface of the U-shaped plate, extending the connection from the outer end of the stiffening plate to the middle point, and enabling the welding line to approach the middle point of the contact edge as much as possible under the condition of allowance of welding space so as to avoid insufficient connection strength caused by insufficient length of the welding line;
step 5, connecting an H-shaped steel beam in the direction of a weak axis on the panel: vertically connecting the H-shaped steel beam in the direction of the weak axis to the panel, wherein the web plate of the H-shaped steel beam in the direction of the weak axis corresponds to the stiffening plate in position;
step 6, connecting an end plate on the H-shaped steel beam in the strong axis direction and arranging bolt holes: vertically connecting the end part of the H-shaped steel beam in the direction of the strong axis to an end plate, forming end plate bolt holes in the end plate, wherein the end plate bolt holes are arranged in double rows and are symmetrical by taking the vertical central line of the end plate as a symmetry axis;
step 7, fixing the embedded connecting piece and connecting the H-shaped steel beam in the weak axis direction and the H-shaped steel beam in the strong axis direction: and the high-strength bolt sequentially penetrates through a back plate bolt hole of one embedded connecting piece, a web plate bolt hole of the H-shaped steel column and a back plate bolt hole of the other embedded connecting piece to fix the embedded connecting pieces and the H-shaped steel column, and the high-strength bolt sequentially penetrates through a side plate bolt hole, an H-shaped steel column flange bolt hole and an end plate bolt hole to fix the embedded connecting pieces, the H-shaped steel column, the end plate and the H-shaped steel beam in the strong axis direction.
Step 8, filling grouting material: and filling the grouting material in a rectangular area enclosed by the embedded connecting piece and the bottom plate, so that the upper edge of the grouting material is flush with the upper edge of the panel.
Compared with the prior H-shaped steel beam-column node, the invention has the following advantages:
the embedded connecting piece can simultaneously meet the connection of beams in the direction of a strong shaft and the direction of a weak shaft, welding operation can be completely finished on the ground, overhead installation operation is all bolted connection, and the installation quality can be effectively guaranteed;
and the embedded connecting piece is not only a node connecting piece, but also a node reinforcing piece, so that the strength of a node area can be effectively reinforced, and the mechanical property of the node is improved.
And thirdly, the grouting material in the embedded connecting piece can further improve the bearing capacity of the node area and enhance the seismic performance of the node.
Drawings
The invention is further illustrated by the following examples in conjunction with the accompanying drawings:
FIG. 1 is a schematic structural diagram of the present invention.
Fig. 2 is a schematic structural diagram of the node connection according to the present invention.
FIG. 3 is a schematic structural view of the embedded connecting member and the H-shaped steel beam assembly in the weak axis direction according to the present invention.
Fig. 4 is a front view of fig. 3.
FIG. 5 is a schematic structural view of the H-shaped steel column of the present invention.
FIG. 6 is a schematic structural view of the H-shaped steel beam and end plate assembly in the direction of the strong axis of the present invention.
In the figure: 1-H section steel column; 11-H section steel column web; 12-flanges of H-shaped steel columns; 13-H section steel column web bolt holes; 14-flange bolt holes of the H-shaped steel column; 2-embedded connecting piece; 21-a bottom plate; 22-grouting material; 23-U-shaped plate; 24-a panel; 25-U-shaped plate side walls; 26-a stiffening plate; 27-side wall bolt holes; 28-U-shaped plate back plate; 29-back plate bolt holes; 3-H-shaped steel beam in the direction of strong axis; 31-a flange of the H-shaped steel beam in the direction of the strong axis; 32-H-shaped steel beam web in the direction of a strong axis; 4-a weak axis direction H-shaped steel beam; 41-flange of H-shaped steel beam in the direction of weak axis; 42-H-shaped steel beam web in the direction of the weak axis; 5, an end plate; 51-end plate bolt holes; 6-high strength bolt.
Detailed Description
As shown in fig. 1 to 6, in the method for manufacturing the end plate node of the embedded connection member for H-beam-column connection, the H-beam 1 is composed of an H-beam web 11 and an H-beam flange 12, the H-beam 3 in the strong axis direction is composed of an H-beam flange 31 in the strong axis direction and an H-beam web 32 in the strong axis direction, and the H-beam 4 in the weak axis direction is composed of an H-beam flange 41 in the weak axis direction and an H-beam web 42 in the strong axis direction. An embedded connecting piece 2 is fixed in a U-shaped space formed by the web 11 of the H-shaped steel column and the flange 12 of the H-shaped steel column.
The embedded connecting piece 2 is formed by connecting a U-shaped plate 23 and a T-shaped assembly. The U-shaped plate 23 is formed by bending a whole plate and is divided into two areas, namely a U-shaped plate side wall 25 and a U-shaped plate back plate 28, and the bending position is a round angle.
The T-shaped combination body is formed by vertically connecting a panel 24 and a stiffening plate 26, wherein the panel 24 is lower than the U-shaped plate 23 and higher than the H-shaped steel beam 4 in the weak axis direction.
The U-shaped plate side wall 25 is provided with a single row of side plate bolt holes 27, the U-shaped plate back plate 28 is provided with a back plate bolt hole 29, and the back plate bolt holes 29 are arranged in two rows and are symmetrical by taking the stiffening plate 26 as a symmetry axis. The U-shaped plate 23 and the T-shaped assembly are connected to form the embedded connecting piece 2.
The transverse center line of the panel of the embedded connecting piece is superposed with the transverse center line of the U-shaped plate 23, and the outer vertical surface of the panel 24 is flush with the outer edge of the flange 12 of the H-shaped steel column. The lower part of the cavity of the embedded connecting piece 2 is connected with a bottom plate 21, the two bottom plates 21 are symmetrically arranged by taking the stiffening plates 26 as symmetrical axes, and the positions of the stiffening plates are not lower than the side plate bolt holes 27 at the bottommost part and not higher than the H-shaped steel beam flange 42 in the lower weak axis direction.
The center of the panel 24 is connected with a H-shaped steel beam 4 in the direction of the weak axis, the two beams are perpendicular to each other, and the stiffening plate 26 corresponds to the web 42 of the H-shaped steel beam in the direction of the weak axis.
Double rows of H-shaped steel column bolt holes 14 are formed in the flanges 12 of the H-shaped steel columns and are symmetrically arranged by taking the web plates 11 of the H-shaped steel columns as symmetry axes. H-shaped steel column web plate bolt holes 13 arranged in double rows are formed in the H-shaped steel column web plate 11 and are symmetrically arranged by taking the vertical central line of the H-shaped steel column web plate 11 as a symmetry axis.
The end plate 5 is provided with two rows of end plate bolt holes 51, and the two rows of bolt holes 51 are symmetrically arranged by taking the vertical central line of the end plate as a symmetry axis.
The embedded connecting piece 2 is fixedly connected with an H-shaped steel column web plate 11 through a high-strength bolt 6, and the H-shaped steel beam 3 in the strong axis direction is fixedly connected with the H-shaped steel column 1 and the embedded connecting piece 2 through an end plate 5 through the high-strength bolt 6.
The concrete preparation method of the end plate node of the embedded connecting piece for H-shaped steel beam-column connection comprises the following steps:
step 1, bending the steel plate to form a U-shaped plate 23 and forming bolt holes: bending the whole steel plate to form a U-shaped plate 23, so that the U-shaped plate 23 forms a round angle at a corner, forming a side plate bolt hole 27 on the side wall 25 of the U-shaped plate, and forming a back plate bolt hole 29 on the back plate 28 of the U-shaped plate;
step 2, connecting the bottom plate 21 on the U-shaped plate 23: the bottom plates 21 are connected to the positions near the upper parts of the side plate bolt holes 27 at the lower parts of the embedded connecting pieces, the two bottom plates 21 are symmetrically arranged by taking the vertical central line of the U-shaped plate 23 as a symmetry axis and are mutually vertical to the U-shaped plate 23;
step 3, connecting stiffening plates 26 at the vertical center line of the panel 24: connecting the stiffening plates 26 at the vertical center line position of the panel 24 to form a T-shaped combination;
step 4, connecting the T-shaped assembly on the U-shaped plate 23: embedding the T-shaped combination body into the U-shaped plate 23, connecting the end part of the panel 24 with the inner side of the side wall 25 of the U-shaped plate, connecting the end part of the stiffening plate 26 with the vertical surface inner wall of the U-shaped plate 23, extending the connection from the outer end of the stiffening plate 26 to the middle point, and enabling the welding line to approach the middle point of the contact line as much as possible under the condition of permission of a welding space so as to avoid insufficient connection strength caused by insufficient length of the welding line;
step 5, connecting the H-shaped steel beam 4 in the direction of the weak axis on the panel 24: vertically connecting the H-shaped steel beam 4 in the direction of the weak axis to the panel 24, wherein the web plate 42 of the H-shaped steel beam in the direction of the weak axis corresponds to the stiffening plate 26;
step 6, connecting an end plate 5 on the H-shaped steel beam 3 in the strong axis direction and arranging bolt holes: vertically connecting the end part of an H-shaped steel beam 3 in the direction of a strong axis to an end plate 5, enabling the centroid of the section of the H-shaped steel beam 3 to coincide with the centroid of the front surface of the end plate 5 and the vertical central line of the H-shaped steel beam 3 to coincide, arranging end plate bolt holes 51 in the end plate 5, and enabling the end plate bolt holes 51 to be arranged in double rows and to be symmetrical by taking the vertical central line of the end plate;
step 7, fixing the embedded connecting piece 2 and connecting the weak axis direction H-shaped steel beam 4 and the strong axis direction H-shaped steel beam 3: the high-strength bolt 6 sequentially penetrates through a back plate bolt hole 29 of one embedded connecting piece, a web plate bolt hole 13 of the H-shaped steel column and a back plate bolt hole 29 of the other embedded connecting piece to fix the embedded connecting piece 2 and the H-shaped steel column 1, and the high-strength bolt 6 sequentially penetrates through a side plate bolt hole 27, an H-shaped steel column flange bolt hole 14 and an end plate bolt hole 51 to fix the embedded connecting piece 2, the H-shaped steel column 1, the end plate 5 and the H-shaped steel beam 3 in the strong axis direction.
Step 8, filling grouting material 22: and filling the grouting material 22 in a rectangular area enclosed by the embedded connecting piece 2 and the bottom plate 21, so that the upper edge of the grouting material 22 is flush with the upper edge of the panel 24.
The above-described embodiments are merely preferred embodiments of the present invention, and should not be construed as limiting the present invention, and features in the embodiments and examples in the present application may be arbitrarily combined with each other without conflict. The protection scope of the present invention is defined by the claims, and includes equivalents of technical features of the claims. I.e., equivalent alterations and modifications within the scope hereof, are also intended to be within the scope of the invention.

Claims (8)

1. The utility model provides an embedded connecting piece end plate node is connected to H shaped steel roof beam-post, includes H shaped steel post (1), its characterized in that: the H-shaped steel column (1) is provided with a strong-axis direction H-shaped steel beam (3) and end plate (5) combination in the strong-axis direction, the strong-axis direction H-shaped steel beam (3) is fixedly connected with the end plate (5), the H-shaped steel column (1) is provided with an embedded connecting piece (2) in the weak-axis direction, the embedded connecting piece (2) is fixedly connected with a weak-axis direction H-shaped steel beam (4), a bottom plate (21) is arranged at the lower portion in a cavity of the embedded connecting piece (2), and grouting material (22) is filled in a space surrounded by the embedded connecting piece (2) and the bottom plate (21).
2. An H-section steel beam-column connection inline connection end plate node as claimed in claim 1, wherein: the embedded connecting piece (2) is formed by connecting a U-shaped plate (23) and a T-shaped assembly, the U-shaped plate (23) is formed by bending a whole plate and is divided into two areas, namely a U-shaped plate side wall (25) and a U-shaped plate back plate (28), and the bending part is a fillet.
3. An H-section steel beam-column connection inline connection end plate node as claimed in claim 2, wherein: the T-shaped assembly is formed by connecting a panel (24) and a stiffening plate (26), the panel (24) is lower than the U-shaped plate (23) and higher than the H-shaped steel beam (4) in the direction of the weak axis, side plate bolt holes (27) are formed in the side wall (25) of the U-shaped plate, back plate bolt holes (29) are formed in the back plate (28) of the U-shaped plate, and the back plate bolt holes (29) are arranged in double rows and are symmetrical by taking the stiffening plate (26) as a symmetry axis.
4. An H-section steel beam-column connection inline connection end plate node as claimed in claim 1, wherein: the embedded connecting piece (2) is embedded into a U-shaped groove formed by surrounding of an H-shaped steel column web (11) and an H-shaped steel column flange (12), the outer vertical surface of the panel (24) is flush with the outer edge of the H-shaped steel column flange (12), the panel (24) is connected with the weak axis direction H-shaped steel beam flange (41) and the weak axis direction H-shaped steel beam web (42), and the stiffening plate (26) corresponds to the weak axis direction H-shaped steel beam web (42).
5. An H-section steel beam-column connection inline connection end plate node as claimed in claim 1, wherein: the end plate (5) is vertically connected to an end plate of the H-shaped steel beam (3) in the strong axis direction, an end plate bolt hole (51) is formed in the end plate (5), H-shaped steel column web bolt holes (13) arranged in double rows are formed in an H-shaped steel column web (11), and H-shaped steel column flange bolt holes (14) arranged in double rows are formed in an H-shaped steel column flange (12).
6. An H-section steel beam-column connection inline connection end plate node as claimed in claim 1, wherein: the embedded connecting piece (2) is fixedly connected with an H-shaped steel column web plate (11) through a high-strength bolt (6), and the H-shaped steel beam (3) in the strong axis direction is fixedly connected with the H-shaped steel column (1) and the embedded connecting piece (2) through an end plate (5) through the high-strength bolt (6).
7. An H-section steel beam-column connection inline connection end plate node as claimed in claim 1, wherein: the two bottom plates (21) are symmetrically arranged by taking the stiffening plates (26) as symmetrical axes, and the positions of the stiffening plates are not lower than the side plate bolt holes (27) at the bottommost part and not higher than the H-shaped steel beam flange (41) in the downward weak axis direction.
8. The method for connecting the end plate node of the embedded connecting member for H-shaped steel beam-column connection according to any one of claims 1 to 7, characterized by comprising the steps of:
step 1), bending a steel plate to form the U-shaped plate (23) and arranging bolt holes: bending the steel plate to form a U-shaped plate (23), enabling the U-shaped plate (23) to form a round angle at a corner, forming side plate bolt holes (27) on the side wall (25) of the U-shaped plate, and forming backboard bolt holes (29) on a backboard (28) of the U-shaped plate;
step 2), connecting a bottom plate (21) to the U-shaped plate (23): a bottom plate (21) is connected to the position near the upper part of a side plate bolt hole (27) at the lower part of the embedded connecting piece, and the bottom plate (21) is vertical to the U-shaped plate (23);
step 3), connecting stiffening plates (26) at the vertical center line of the panel (24): connecting the stiffening plate (26) to the vertical center line position of the panel (24) to form a T-shaped combination;
step 4), connecting a T-shaped assembly on the U-shaped plate (23): the T-shaped combination body is embedded into the U-shaped plate (23), the end part of the panel (24) is connected with the inner side of the side wall (25) of the U-shaped plate, the end part of the stiffening plate (26) is connected with the inner wall of the vertical surface of the U-shaped plate (23), the connection extends from the outer end of the stiffening plate (26) to the middle point, and under the condition that welding space allows, the welding seam is close to the middle point of the contact line as much as possible, so that the insufficient connection strength caused by the insufficient length of the welding seam is avoided;
and 5), connecting a weak axis direction H-shaped steel beam (4) on the panel (24): vertically connecting the H-shaped steel beam (4) in the direction of the weak axis to the panel (24), wherein the H-shaped steel beam web plate (42) in the direction of the weak axis corresponds to the stiffening plate (26);
step 6), connecting an end plate (5) on the H-shaped steel beam (3) in the strong shaft direction and opening a bolt hole: vertically connecting the end part of the H-shaped steel beam (3) in the direction of the strong axis to an end plate (5), arranging end plate bolt holes (51) on the end plate (5), wherein the end plate bolt holes (51) are arranged in double rows and are symmetrical by taking the vertical central line of the end plate as a symmetry axis;
step 7), fixing the embedded connecting piece (2) and connecting the H-shaped steel beam (4) in the weak axis direction and the H-shaped steel beam (3) in the strong axis direction: the high-strength bolt (6) sequentially penetrates through a back plate bolt hole (29) of one embedded connecting piece, an H-shaped steel column web plate bolt hole (13) and a back plate bolt hole (29) of the other embedded connecting piece to fix the embedded connecting piece (2) and the H-shaped steel column (1), and the high-strength bolt (6) sequentially penetrates through a side plate bolt hole (27), an H-shaped steel column flange bolt hole (14) and an end plate bolt hole (51) to fix the embedded connecting piece (2), the H-shaped steel column (1), an end plate (5) and the H-shaped steel beam (3) in the strong axis direction;
step 8), filling grouting material (22): and filling the grouting material (22) in a rectangular area surrounded by the embedded connecting piece (2) and the bottom plate (21) to enable the upper edge of the grouting material (22) to be flush with the upper edge of the panel (24).
CN202011061682.9A 2020-09-30 2020-09-30 End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method Pending CN112049258A (en)

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Application Number Priority Date Filing Date Title
CN202011061682.9A CN112049258A (en) 2020-09-30 2020-09-30 End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method

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Application Number Priority Date Filing Date Title
CN202011061682.9A CN112049258A (en) 2020-09-30 2020-09-30 End plate node of embedded connecting piece for H-shaped steel beam-column connection and preparation method

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CN112049258A true CN112049258A (en) 2020-12-08

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114277936A (en) * 2022-01-13 2022-04-05 内蒙古科技大学 C-shaped steel PEC column-C-shaped steel beam space node connection structure

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114277936A (en) * 2022-01-13 2022-04-05 内蒙古科技大学 C-shaped steel PEC column-C-shaped steel beam space node connection structure

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