CN109457818B - Assembled rectangular concrete filled steel tubular column-girder reinforced node - Google Patents
Assembled rectangular concrete filled steel tubular column-girder reinforced node Download PDFInfo
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- CN109457818B CN109457818B CN201811566928.0A CN201811566928A CN109457818B CN 109457818 B CN109457818 B CN 109457818B CN 201811566928 A CN201811566928 A CN 201811566928A CN 109457818 B CN109457818 B CN 109457818B
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 276
- 239000010959 steel Substances 0.000 title claims abstract description 276
- 238000003466 welding Methods 0.000 claims abstract description 28
- 230000035939 shock Effects 0.000 abstract description 2
- 230000009286 beneficial effect Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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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
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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
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/30—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts being composed of two or more materials; Composite steel and concrete constructions
-
- 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
- E04B1/5825—Connections for building structures in general of bar-shaped building elements with a closed cross-section
- E04B1/5831—Connections for building structures in general of bar-shaped building elements with a closed cross-section of substantially rectangular form
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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 provides an assembled rectangular concrete filled steel tube column-steel beam reinforced joint, which relates to the technical field of steel structures and comprises a vertically arranged rectangular concrete filled steel tube column, an H-shaped steel beam and a connecting part, wherein the H-shaped steel beam and the connecting part are horizontally arranged in the same horizontal plane, and four extending ends of the connecting part are fixedly connected with one end of the H-shaped steel beam respectively; compared with the side plate reinforced type node, the assembled rectangular concrete filled steel tubular column-steel beam reinforced type node provided by the invention can obviously reduce the dependence of the shock resistance of node connection on the quality of butt welding seams, is particularly suitable for the member section form with the width the same as the width of the short side of the steel tube column in steel structure houses, simultaneously eliminates the convex angle formed by the side plate in the side plate reinforced type node of the flange side plate of the existing steel beam at the flange plate of the end part of the H-shaped steel beam, and solves the problems of difficult floor arrangement and reduced living comfort caused by the convex angle.
Description
Technical Field
The invention belongs to the technical field of steel structures, and particularly relates to an assembled rectangular concrete filled steel tubular column-steel beam reinforced node.
Background
In a traditional steel structure house, since the thickness of the wall is generally small, a rectangular steel pipe concrete column or a special-shaped column is generally adopted as a frame column, so that the frame column can be wrapped inside the wall. Because the steel-pipe column cross section is less, in order to guarantee that concrete placement is closely knit, the connection of frame post and girder steel adopts curb plate strenghthened type node generally. The side plate reinforced node has the advantages of clear stress mechanism, simple structure, convenient construction and the like, and is widely applied to multi-layer and high-rise steel structure houses. However, the problem that the traditional side plate reinforced node is easy to tear due to stress concentration and weld quality defects under the strong shock effect at the steel beam flange plate and at the butt welding seam between the steel beam flange plate and the side plate; in addition, the traditional side plate reinforced node has the problem that the corners of the side plates protrude out of the steel beam flange, and the upper side plates protrude out of the steel beam upper flange, so that the floor slab arrangement is difficult; the lower side plate protrudes out of the lower flange of the steel beam, so that an indoor convex angle is formed, and living comfort is affected.
Disclosure of Invention
The invention aims to provide an assembled rectangular concrete filled steel tubular column-steel beam reinforced joint, which aims to solve the problems in the prior art and eliminate tearing caused by weld quality defects and stress concentration in a frame column-steel beam connecting structure and convex angles at a steel beam flange.
In order to achieve the above purpose, the invention adopts the following technical scheme: the reinforced node comprises a rectangular steel pipe concrete column arranged vertically, an H-shaped steel beam horizontally arranged in the same horizontal plane and a connecting part;
the number of the H-shaped steel beams is four, and the H-shaped steel beams are vertically connected to four side surfaces of the rectangular steel pipe concrete column; the connecting part is fixedly arranged on the side surface of the rectangular steel tube concrete column in a surrounding manner and is in a cross shape, and four extending ends of the connecting part are fixedly connected with one end of the H-shaped steel beam respectively;
The connecting part comprises a connecting angle steel vertically and fixedly connected with the side surface of the rectangular steel tube concrete column and a connecting short beam which is arranged along the length direction of the connecting angle steel and fixedly connected with the connecting angle steel, and the H-shaped steel beam is fixedly connected with the connecting short beam;
the connecting angle steel comprises a first angle steel and a second angle steel, wherein the transverse limb of the first angle steel is partially cut off and surrounds the corner of the rectangular steel tube concrete column, and the second angle steel is fixedly connected to the outer side face of the vertical limb of the first angle steel.
Further, one end face of the transverse limb of the first angle steel and the inner side face of the vertical limb of the first angle steel are simultaneously attached to two adjacent side faces of the rectangular steel tube concrete column, and the vertical limb and the transverse limb of the first angle steel are fixedly connected with the side faces of the rectangular steel tube concrete column through welding respectively.
Further, the number of the connecting short beams is four, each connecting short beam is fixedly connected with four first angle steels or second angle steels, the number of the first angle steels is eight, and the number of the second angle steels is eight.
Further, the cross section of rectangle steel core concrete column includes long limit and minor face, the side that the long limit corresponds with the medial surface of the vertical limb of first angle steel pastes tightly and fixed connection, the side that the minor face corresponds with the terminal surface of the horizontal limb of first angle steel pastes tightly and fixed connection.
Further, one end of the second angle steel is vertically and fixedly connected with the outer side face of the vertical limb of the first angle steel by adopting a butt welding seam.
Further, the connecting short beam comprises two short beam flange plates which are horizontally arranged and a short beam web plate which is vertically connected between the two short beam flange plates, two sides of the short beam flange plates are fixedly connected with the transverse limbs of the connecting angle steel through fillet welds, and the end parts of the short beam flange plates are fixedly connected with the rectangular steel tube concrete column through butt welds.
Further, the welding part of the short beam flange plate and the transverse limb of the connecting angle steel is wedge-shaped, and welding seams are distributed along the bevel edge on the short beam flange plate; the end face of the short beam flange plate is fixedly connected with the rectangular steel tube concrete column through butt welding seams.
Further, the web plate of the short beam is fastened and connected with the web plate of the H-shaped steel beam through high-strength bolts.
Further, the width of the H-shaped steel beam is equal to the length of the short side, the H-shaped steel beam is aligned with the rectangular steel tube concrete column, the web plate of the H-shaped steel beam and the connecting end of the connecting short beam extend out of the flange plate of the H-shaped steel beam, and through holes which are aligned with each other and used for the high-strength bolts to pass through are formed in the web plate of the short beam and the web plate of the H-shaped steel beam.
Further, the short beam flange plate is fixedly connected with the flange plate of the H-shaped steel beam through welding.
The invention provides an assembled rectangular concrete filled steel tubular column-steel beam reinforced node which has the beneficial effects that: the butt welding seam between the steel beam flange plate and the side plate in the traditional side plate reinforced node is replaced by the corner of the first angle steel, so that the dependence of the seismic performance of the node on the quality of the butt welding seam can be obviously reduced; meanwhile, the first angle steel replaces the side plate in the traditional side plate reinforced node, the convex angle formed by the corner of the side plate at the flange plate of the end part of the H-shaped steel beam is eliminated, and the problems of difficult floor arrangement and reduced living comfort caused by the convex angle are solved.
Drawings
FIG. 1 is a schematic diagram showing the overall structure composition of an assembled rectangular concrete filled steel tubular column-steel beam reinforced joint according to an embodiment of the present invention;
FIG. 2 is a schematic view of a connecting angle steel arranged on the side surface of a rectangular concrete filled steel tubular column;
Fig. 3 is a schematic structural view of a first angle steel;
FIG. 4 is a schematic view of the structure of a connecting short beam;
FIG. 5 is a schematic cross-sectional view of the web junction of a short beam web and an H-beam web;
Fig. 6 is a schematic structural view of the connection end of the H-shaped steel beam and the connection short beam.
In the figure: 1. the concrete filled steel tube column comprises a rectangular concrete filled steel tube column, 2H-shaped steel beams, 3 connecting short beams, 3a short beam flange plates, 3b short beam webs, 41, first angle steel, 42, second angle steel, 5 and high-strength bolts.
Detailed Description
In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the invention.
Referring to fig. 1 to 3, an explanation will be made on an assembled rectangular concrete filled steel tubular column-steel beam reinforced joint according to the present invention. The reinforced node of the assembled rectangular concrete filled steel tube column-steel beam comprises a rectangular concrete filled steel tube column 1 which is vertically arranged, an H-shaped steel beam 2 which is horizontally arranged in the same horizontal plane and a connecting part; the rectangular steel pipe concrete column 1 belongs to the steel pipe concrete in the prior art, and is a combined structure that concrete is poured into a rectangular steel pipe and tamped to increase the strength and rigidity of the rectangular steel pipe; the H-shaped steel beam is H-shaped steel and is provided with an upper flange, a lower flange and a web plate.
The number of the H-shaped steel beams 2 is four, and the H-shaped steel beams are vertically connected to four side surfaces of the rectangular steel pipe concrete column 1; the connecting part is fixedly arranged on the side surface of the rectangular steel tube concrete column 1 in a surrounding manner and is in a cross shape, and four extending ends of the connecting part are fixedly connected with one end of the H-shaped steel beam 2 respectively; the rectangular steel tube concrete column 1 passes through the center of the connecting part and is fixedly connected with the connecting part, and the H-shaped steel beam 2 is fixedly connected with the rectangular steel tube concrete column 1 through the connecting part.
The connecting part comprises a connecting angle steel which is vertically and fixedly connected with the side surface of the rectangular steel tube concrete column 1 and a connecting short beam 3 which is arranged along the length direction of the connecting angle steel and is fixedly connected with the connecting angle steel, and the H-shaped steel beam 2 is fixedly connected with the connecting short beam 3; in the connection of rectangular steel tube concrete column 1 and H shaped steel girder 2, rectangular steel tube concrete column 1 is at first with angle connection fixed connection, angle connection with connect short beam 3 fixed connection again, connect short beam 3 and H shaped steel girder 2 fixed connection.
The connecting angle steel comprises a first angle steel 41 and a second angle steel 42, wherein the transverse limb of the first angle steel 41 is partially cut off and is surrounded at the corner of the rectangular steel tube concrete column 1, and the second angle steel 42 is fixedly connected to the outer side surface of the vertical limb of the first angle steel 41; the angle steel consists of two mutually perpendicular strip-shaped steel plates, wherein in the joint, the horizontal strip-shaped steel plates are called transverse limbs, the vertical strip-shaped steel plates are called vertical limbs, in the corner formed by the transverse limbs and the vertical limbs, the inner side surfaces of the corner are called inner side surfaces of the transverse limbs and the vertical limbs, and the corresponding surface called the other side is the outer side surface; the first angle steel 41 comprises two structures, one of which is shown in fig. 3, and the other of which is mirror image to the structure in fig. 3, and the two structures are similar and function the same, so they are collectively called as the first angle steel. The transverse limb of the first angle steel 41 is partially cut off, so that the inner side of the vertical limb of the first angle steel 41 and one end face of the transverse limb can enclose a right-angle space, and the four first angle steels 41 are respectively enclosed on the four edges of the rectangular steel tube concrete column 1 to enclose the rectangular steel tube concrete column 1.
The invention provides an assembled rectangular concrete filled steel tubular column-steel beam reinforced node which has the beneficial effects that: compared with the side plate reinforced type node, the dependency of the earthquake resistance of the node on the quality of the butt welding seam can be obviously reduced, and the butt welding seam is particularly suitable for the cross section form of a member with the same width as the short side of the steel pipe column in the steel structure house; meanwhile, the first angle steel 41 replaces the side plate in the traditional side plate reinforced node, the convex angle formed by the corner of the side plate at the flange plate of the end part of the H-shaped steel beam 2 is eliminated, and the problems of difficult floor slab arrangement and reduced living comfort caused by the convex angle are solved.
Further, referring to fig. 2, as a specific embodiment of the assembled rectangular concrete filled steel tubular column-steel beam reinforced node provided by the invention, one end face of a transverse limb of the first angle steel 41 and the inner side face of a vertical limb of the first angle steel 41 are simultaneously attached to two adjacent side faces of the rectangular concrete filled steel tubular column 1, the first angle steel 41 is seamlessly enclosed on an edge angle of the rectangular concrete filled steel tubular column 1, and the vertical limb and the transverse limb of the first angle steel 41 are fixedly connected with the side faces of the rectangular concrete filled steel tubular column 1 through welding. The weld positions are located at the positions where the inner side surfaces of the vertical limbs of the first angle steel 41 and the side surfaces of the rectangular steel tube concrete column 1 coincide and the outer side surfaces of the transverse limbs and the side surfaces of the rectangular steel tube concrete column 1 vertically intersect. The first angle steel 41 can be firmly fixedly connected with the rectangular steel pipe concrete column 1 through welding.
Further, referring to fig. 1 and fig. 2, as a specific implementation manner of the fabricated rectangular concrete filled steel tubular column-steel beam reinforced node provided by the invention, the number of the connecting short beams 3 is four, which corresponds to the number of the H-shaped steel beams 2; each connecting short beam 3 is fixedly connected with four first angle steels 41 or four second angle steels 42, two connecting short beams 3 are connected to the first angle steels 41, and two connecting short beams 3 are connected to the second angle steels 42; the number of the first angle steels 41 is eight, the number of the second angle steels 42 is eight, and the first angle steels 41 and the second angle steels 42 are arranged at four end corners of the connecting short beam 3.
Further, referring to fig. 1 and 2, as a specific embodiment of an assembled rectangular concrete filled steel tubular column-steel beam reinforced node provided by the present invention, the cross section of the rectangular concrete filled steel tubular column 1 includes a long side and a short side, that is, the cross section of the rectangular concrete filled steel tubular column 1 is an unequal rectangle; the side corresponding to the long side is tightly attached to and fixedly connected with the inner side surface of the vertical limb of the first angle steel 41, the side corresponding to the short side is tightly attached to and fixedly connected with the end surface of the transverse limb of the first angle steel 41, namely, the vertical limb of the first angle steel 41 is arranged on the side corresponding to the long side, the vertical limb of the first angle steel 41 at the overlapping part with the side of the rectangular steel tube concrete column 1 has enough length, so that the weld joint is ensured to have enough length, and the first angle steel 41 and the rectangular steel tube concrete column 1 have enough welding strength.
Further, as a specific embodiment of the fabricated rectangular concrete filled steel tubular column-steel beam reinforced node provided by the invention, one end of the second angle steel 42 is vertically and fixedly connected with the outer side surface of the vertical limb of the first angle steel 41 by adopting butt welding seams. The second angle steel 42 is firmly fixedly connected with the first angle steel 41 through butt welding seams.
Further, referring to fig. 4, as a specific embodiment of an assembled rectangular concrete filled steel tubular column-steel beam reinforced node provided by the invention, a connecting short beam 3 includes two short beam flange plates 3a horizontally arranged and a short beam web 3b vertically connected between the two short beam flange plates 3a, two sides of the short beam flange plates 3a are fixedly connected with transverse limbs of connecting angle steel through fillet welds, and an end part of the short beam flange plates 3a is fixedly connected with a rectangular concrete filled steel tubular column 1 through butt welds. The connecting short beam 3 has a structural form similar to H-steel. The short beam flange plate 3a is welded with the transverse limbs of the connecting angle steel, so that the short beam 3 is firmly and fixedly connected with the connecting angle steel.
Further, referring to fig. 1 and fig. 4, as a specific implementation manner of the assembled rectangular concrete filled steel tubular column-steel beam reinforced node provided by the invention, a welding position of a short beam flange plate 3a and a transverse limb of a connecting angle steel is wedge-shaped, and welding seams are distributed along a bevel edge on the short beam flange plate. The wedge-shaped structure on the short beam flange plate 3a, namely the structure formed by cutting off a triangle from the end angle of the short beam flange plate 3a, is positioned at the intersection of the oblique side of the wedge-shaped structure and the outer side face of the transverse limb of the connecting angle steel. The existing research results show that the stress distribution on the short beam flange plate 3a is in a state of large outside and small middle, and the wedge-shaped treatment is carried out on the short beam flange plate 3a to cut out part of the outer side part of the short beam flange plate 3a, so that the stress on the short beam flange plate 3a is reduced; simultaneously, the bevel edge in the wedge-shaped structure provides an ideal welding position of the short beam flange plate 3a and the upper lateral surface of the transverse limb of the connecting angle steel, so that the welding of the short beam flange plate 3a and the connecting angle steel is firm and reliable. The surface of the short beam flange plate 3a on one side of the short beam web plate 3b is called as an inner surface, and the surface of the other side is called as an outer surface, and in general, the outer side surface of the transverse limb of the connecting angle steel is tightly attached to the inner surface of the short beam flange plate 3 a.
Further, referring to fig. 1, as a specific embodiment of an assembled rectangular concrete filled steel tubular column-steel beam reinforced node provided by the present invention, a short beam web 3a is fastened and connected with a web of an H-shaped steel beam 2 by a high-strength bolt 5. In an earthquake, welded joints are easily damaged due to brittle fracture, and the bolted connection can increase the seismic performance of the joints.
Further, referring to fig. 4 to 6, as a specific embodiment of an assembled rectangular steel pipe concrete column-steel beam reinforced node provided by the present invention, the width of the H-shaped steel beam 2 is equal to the length of the short side, the H-shaped steel beam 2 is aligned with the rectangular steel pipe concrete column 1, the web plate of the H-shaped steel beam 2 and the connecting end of the connecting short beam 3 extend out of the flange plate of the H-shaped steel beam 2, and the web plates of the short beam web 3b and the H-shaped steel beam 2 are provided with mutually aligned through holes for passing through the high-strength bolts 5. The web of the H-shaped steel beam 2 is positioned at the center line of the flange plate of the H-shaped steel beam 2, the flange plate of the H-shaped steel beam 2 is consistent in width with the short beam flange plate 3a, and the end faces are aligned and overlapped. The web of the H-beam 2 and the web 3b of the short beam are provided with high-strength bolts 5 through the mutually aligned through holes, so that the web 3b of the short beam cannot be positioned at the center line of the flange plate 3a of the short beam, otherwise, the web of the H-beam 2 and the web 3b of the short beam cannot coincide with each other, and the mutually aligned through holes cannot be formed. The web of the H-beam 2 needs to be connected to the short beam web 3b, and therefore, as shown in fig. 6, the web of the H-beam 2 needs to extend beyond the flange plate of the H-beam 2, and thus, the length is longer than the flange plate of the H-beam 2. In general, the width of the flange plate of the H-shaped steel beam 2 is consistent with that of the short beam flange plate 3a, and the end faces are aligned and overlapped; meanwhile, the H-shaped steel beam 2 is aligned with the rectangular steel tube concrete column 1, and the web plate of the H-shaped steel beam 2 is positioned at the symmetrical plane of the integral structure, so that the short beam web plate 3b is not positioned at the symmetrical plane and needs to deviate from the symmetrical plane as shown in fig. 4.
Further, as a specific implementation mode of the assembled rectangular concrete filled steel tubular column-steel beam reinforced joint, the short beam flange plate 3a is fixedly connected with the flange plate of the H-shaped steel beam 2 through welding, and the welding seam position is located at the joint of the short beam flange plate 3a and the flange plate of the H-shaped steel beam 2.
The foregoing description of the preferred embodiments of the invention is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the invention.
Claims (6)
1. An assembled rectangular steel pipe concrete column-girder steel strenghthened type node which characterized in that: comprising
The rectangular steel tube concrete column is vertically arranged;
the H-shaped steel beams are four in number and are horizontally arranged in the same horizontal plane and are respectively and vertically connected with the four sides of the rectangular steel tube concrete column;
The connecting part is fixedly arranged on the side surface of the rectangular steel tube concrete column in a surrounding manner and is in a cross shape, and four extending ends are fixedly connected with one end of the H-shaped steel beam respectively; the rectangular steel tube concrete column passes through the center of the connecting part and is fixedly connected with the connecting part;
The connecting part comprises a connecting angle steel vertically and fixedly connected with the side surface of the rectangular steel tube concrete column and a connecting short beam which is arranged along the length direction of the connecting angle steel and fixedly connected with the connecting angle steel, and the H-shaped steel beam is fixedly connected with the connecting short beam;
the connecting angle steel comprises a first angle steel and a second angle steel, wherein the transverse limb of the first angle steel is partially cut off and is enclosed at the corner of the rectangular steel tube concrete column, and the second angle steel is fixedly connected to the outer side surface of the vertical limb of the first angle steel; the angle steel consists of two strip-shaped steel plates which are mutually perpendicular;
One end face of the transverse limb of the first angle steel and the inner side face of the vertical limb of the first angle steel are simultaneously tightly attached to two adjacent side faces of the rectangular steel tube concrete column, and the vertical limb and the transverse limb of the first angle steel are fixedly connected with the side faces of the rectangular steel tube concrete column through welding respectively;
The number of the connecting short beams is four, each connecting short beam is fixedly connected with four first angle steels or four second angle steels, the number of the first angle steels is eight, and the number of the second angle steels is eight;
The connecting short beam comprises two short beam flange plates which are horizontally arranged and a short beam web plate which is vertically connected between the two short beam flange plates, two sides of the short beam flange plates are fixedly connected with the transverse limbs of the connecting angle steel through fillet welds, and the end parts of the short beam flange plates are fixedly connected with the rectangular steel tube concrete column through butt welds;
The welding parts of the short beam flange plates and the transverse limbs of the connecting angle steel are wedge-shaped, and welding seams are distributed along the inclined edges on the short beam flange plates.
2. A fabricated rectangular concrete filled steel tubular column-girder reinforced joint as claimed in claim 1, wherein: the cross section of the rectangular steel tube concrete column comprises a long side and a short side, the side face corresponding to the long side is tightly attached to and fixedly connected with the inner side face of the vertical limb of the first angle steel, and the side face corresponding to the short side is tightly attached to and fixedly connected with the end face of the transverse limb of the first angle steel.
3. A fabricated rectangular concrete filled steel tubular column-girder reinforced joint as claimed in claim 1, wherein: one end of the second angle steel is vertically and fixedly connected with the outer side face of the vertical limb of the first angle steel by adopting a butt welding seam.
4. A fabricated rectangular concrete filled steel tubular column-girder reinforced joint as claimed in claim 2, wherein: and the web plate of the short beam is fastened and connected with the web plate of the H-shaped steel beam through high-strength bolts.
5. A fabricated rectangular concrete filled steel tubular column-girder reinforced joint as claimed in claim 4, wherein: the width of H shaped steel roof beam with the minor face length equals, H shaped steel roof beam with rectangular steel core concrete column aligns the setting, the web of H shaped steel roof beam with the link of connecting the stub beam stretches out outside the flange plate of H shaped steel roof beam, the stub beam web with be equipped with on the web of H shaped steel roof beam mutually aligned be used for supplying the through-hole that the bolt passed excels in.
6. A fabricated rectangular concrete filled steel tubular column-girder reinforced joint as claimed in claim 5, wherein: and the short beam flange plate is fixedly connected with the flange plate of the H-shaped steel beam through welding.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811566928.0A CN109457818B (en) | 2018-12-19 | 2018-12-19 | Assembled rectangular concrete filled steel tubular column-girder reinforced node |
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| CN201811566928.0A CN109457818B (en) | 2018-12-19 | 2018-12-19 | Assembled rectangular concrete filled steel tubular column-girder reinforced node |
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| CN112049242A (en) * | 2019-06-05 | 2020-12-08 | 青岛鑫光正钢结构股份有限公司 | Assembly type rigid connection node device for H-shaped steel beam and steel column and installation method thereof |
| CN110512739B (en) * | 2019-09-29 | 2024-02-06 | 福州大学 | Steel-concrete-FRP combined structure and construction method thereof |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN209308186U (en) * | 2018-12-19 | 2019-08-27 | 石家庄铁道大学 | A kind of assembled rectangular steel-tube concrete column-reinforced node of girder steel |
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| JP2009030357A (en) * | 2007-07-27 | 2009-02-12 | Jfe Steel Kk | Structure of welding and joining column and beam |
| KR101089561B1 (en) * | 2011-04-18 | 2011-12-05 | (주)새미르 종합건설 | Jointing structure between concrete filled box type steel column and beams |
| CN103015534A (en) * | 2012-12-14 | 2013-04-03 | 金天德 | Lateral connection node of concrete-filled rectangular steel tube column and steel beams |
| CN204098241U (en) * | 2014-09-26 | 2015-01-14 | 同济大学 | Trapezoidal steel plate interpolation type rectangular steel-tube concrete column and steel beam connecting joint |
| CN204608999U (en) * | 2015-03-03 | 2015-09-02 | 杭州铁木辛柯钢结构设计有限公司 | A kind of abutment node be connected with Flat steel pipe concrete column for girder steel |
| CN205134979U (en) * | 2015-11-02 | 2016-04-06 | 山东科技大学 | Rectangular concrete -filled steel tubular column (CFST) post and anti reinforcement node that collapses in succession of girder steel |
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| CN209308186U (en) * | 2018-12-19 | 2019-08-27 | 石家庄铁道大学 | A kind of assembled rectangular steel-tube concrete column-reinforced node of girder steel |
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