CN107355007A - The attachment structure of concrete filled steel tube coupled column bean column node - Google Patents

The attachment structure of concrete filled steel tube coupled column bean column node Download PDF

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Publication number
CN107355007A
CN107355007A CN201710771835.0A CN201710771835A CN107355007A CN 107355007 A CN107355007 A CN 107355007A CN 201710771835 A CN201710771835 A CN 201710771835A CN 107355007 A CN107355007 A CN 107355007A
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CN
China
Prior art keywords
plate
steel tube
square steel
steel
girder steel
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CN201710771835.0A
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Chinese (zh)
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CN107355007B (en
Inventor
杨晓明
刘凯
马哲昊
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青岛理工大学
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Priority to CN201710771835.0A priority Critical patent/CN107355007B/en
Publication of CN107355007A publication Critical patent/CN107355007A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/185Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material

Abstract

The present invention relates to building structural element field, disclose a kind of attachment structure of concrete filled steel tube coupled column bean column node, it includes center square steel tube, side end square steel tube and girder steel, connected between center square steel tube and side end square steel tube by post connection component, side end square steel tube is connected with girder steel by beam connection component.The center square steel tube of the present invention is connected with end square steel tube by post connection component, considerably increases connection stiffness, while is effectively prevented and controlled center square steel tube and end square steel tubotorsion;It is bolted between beam column of the present invention, avoids direct welding, reach the purpose of beam column separation, effectively avoids that brittle break occurs at bean column node so that plastic hinge, meet the shockproof requirements of " strong column and weak beam, the weak component of strong node ";All components of the present invention and connector are machined in processing factory, and job site beam column is connected by screw bolts, and effectively prevent job site welding job, assembling degree is high, quick and easy for installation.

Description

The attachment structure of concrete filled steel tube coupled column bean column node

Technical field

The present invention relates to building structural element field, in particular to a kind of concrete filled steel tube coupled column bean column node Attachment structure.

Background technology

Concrete filled steel tube coupled column is mainly used in multilayer and small high-rise house, the advantage is that its sectional dimension is small, Section form is flexible, and post has salient angle with the wide excessive caused interior of column section that avoids of wall, adds the usable floor area in house, Improve owner moves in experience.

Concrete filled steel tube composite column structure is connected by girder steel, forms an overall structure form.Beam-to-column joint region Connecting node just turns into one of key factor in structure, and the connection of each steel pipe column of node region should meet strong column and weak beam, strong The requirement of the weak component of node.Currently used concrete filled steel tube coupled column bean column node form mainly has:Diaphragm plate type, outer ring plate Formula node.But there is following deficiency in above two joint form:1st, the edge of a wing of its diaphragm plate of diaphragm plate type node and beam is same On horizontal plane, the joint form causes post to be disconnected in each layer, and welding capacity is big, and welding difficulty is high, while steel can produce Larger residual stress so that brittle break easily occurs at node;2nd, outer shroud gusset-type joint needs sufficiently large steel plate to ensure Strength and stiffness of node, but excessive ring flat-plate can protrude building roof so that there is salient angle interior, while meeting when being applied to side column The installation of exterior wall is influenceed, so as to which the finishing for the later stage and perception bring very big influence.

The content of the invention

It is a primary object of the present invention in view of the above-mentioned problems, providing that a kind of rigidity is big, avoids brittle break and installation side Just, the attachment structure of the high concrete filled steel tube coupled column bean column node of assembling degree.

To achieve these goals, the attachment structure of concrete filled steel tube coupled column bean column node of the invention, including center Square steel tube, side end square steel tube and girder steel, are connected between center square steel tube and side end square steel tube by post connection component, side end square steel Pipe is connected with girder steel by beam connection component;

Post connection component includes sleeve, post angle iron connecting piece, connecting plate I and connecting plate II, and sleeve is enclosed on center square steel tube On, two post angle iron connecting pieces, post angle iron connecting piece are symmetrically arranged with the side wall of the sleeve side relative with side end square steel tube Including orthogonal side I and side II, side I is fixed on sleeve, and side II is with sleeve side in same plane;Connection Plate II is symmetricly set in side end square steel tube both sides, highly identical with girder steel with side II in same plane, among connecting plate II with Side end square steel tube is connected, and both ends are stretched out outside side end square steel tube, and wherein one end is connected with side II by connecting plate I, connecting plate I 1 End is connected with side II, and the other end is connected with connecting plate II;

Beam connection component includes upper junction plate, bottom plate, connecting plate II and beam angle iron connecting piece, and beam angle iron connecting piece is symmetrical Steel beam web plate both sides are arranged at, beam angle iron connecting piece includes orthogonal side III and side IV, side III and steel beam web plate Vertical connection, side IV is parallel with steel beam web plate, is connected with the other end of connecting plate II;Upper junction plate is arranged at girder steel top flange Top, it is fixedly connected with the connecting plate II of side end square steel tube, girder steel top flange and girder steel both sides, bottom plate is arranged at girder steel bottom wing Below edge, it is fixedly connected with the connecting plate II of side end square steel tube, girder steel lower flange and girder steel both sides.

Further, the height of sleeve, post angle iron connecting piece and connecting plate I is identical with steel depth of beam.

Further, the side II and connecting plate I of post angle iron connecting piece, connecting plate I and connecting plate II, connecting plate II and beam The side IV of angle iron connecting piece is bolted.

Further, upper junction plate and side end square steel tube and the connecting plate II of girder steel both sides be using welding, and on girder steel The edge of a wing is connected by screw bolts.

Further, bottom plate is used with side end square steel tube and the connecting plate II of girder steel both sides and welded, with girder steel lower flange It is connected by screw bolts.

Further, lower flange uses elongated bolt connection on upper junction plate, bottom plate and girder steel.

Further, beam connection component also includes beam end plate, and beam end plate is arranged between side end square steel tube and girder steel, with steel Beam welds.

Further, sleeve and center square steel tube, side I and the center square steel tube of post angle iron connecting piece, connecting plate II with Side end square steel tube is using the connected mode of welding.

The joint structure can apply the bean column node region of " L " type, T-shape or cross-shaped steel pipe concrete coupled column.

The invention has the advantages that:

(1) center square steel tube of the invention is connected with end square steel tube by post connection component, and it is firm to considerably increase node Degree, while effectively prevent and control center square steel tube and end square steel tubotorsion;

(2) it is rigidly connected between beam column of the present invention by bolt, avoids and directly welded between girder steel and steel column, reached To the purpose of beam column separation, effectively avoid that brittle break occurs at bean column node so that plastic hinge, while beam column uses spiral shell Tether to connect and can effectively eliminate triaxial stress concentration, avoid conventional node post side wall tear failure, meet " strong column and weak beam, strong node The shockproof requirements of weak component ";

(3) all components of the present invention and connector are machined in processing factory, and job site beam column is connected by screw bolts, Job site welding job is effectively prevent, assembling degree is high, quick and easy for installation.

Brief description of the drawings

Fig. 1 is schematic structural view of the invention;

Fig. 2 is center square steel tube and sleeve and post angle iron connecting piece connection relationship diagram;

Fig. 3 is cross-sectional view of the present invention;

Fig. 4 is side end square steel tube and girder steel, beam angle iron connecting piece, upper junction plate and bottom plate connection relationship diagram;

Fig. 5 is the structural representation in the bean column node region that the present invention is applied to T-shape concrete filled steel tube coupled column;

Fig. 6 is the structural representation in the bean column node region that the present invention is applied to " cross " shape steel tube concrete combination column.

In figure:1st, center square steel tube;2nd, side end square steel tube;3rd, girder steel;4th, sleeve;5th, post angle iron connecting piece;6th, connecting plate Ⅰ;7th, connecting plate II;8th, side I;9th, side II;10th, upper junction plate;11st, bottom plate;12nd, beam angle iron connecting piece;13rd, side Ⅲ;14th, side IV;15th, beam end plate;16th, elongated bolt.

Embodiment

The invention will be further described below in conjunction with the accompanying drawings.

As Figure 1-4, the attachment structure of concrete filled steel tube coupled column bean column node of the invention, including center square steel tube 1st, side end square steel tube 2 and H profile steel beam 3, are connected between center square steel tube and side end square steel tube by post connection component.

Post connection component includes sleeve 4, post angle iron connecting piece 5, connecting plate I 6 and connecting plate II 7, and sleeve weld is at center On square steel tube, two post angle iron connecting pieces, post angle steel are symmetrically arranged with the side wall of the sleeve side relative with side end square steel tube Connector includes orthogonal side I 8 and side II 9, and side I is welded on sleeve, and side II is with sleeve side same Plane;Connecting plate II is symmetricly set in side end square steel tube both sides, with side II in same plane, its width and girder steel height phase Together, welded among connecting plate II with side end square steel tube, both ends are stretched out outside side end square steel tube, and wherein one end passes through with side II and is connected Plate I is connected, and connecting plate I is located at the inner side of connecting plate II, and the one end of connecting plate I is bolted with side II, the other end and company Fishplate bar II is bolted;The height of sleeve, post angle iron connecting piece and connecting plate I is identical with steel depth of beam.

Side end square steel tube is connected with girder steel by beam connection component, beam connection component include upper junction plate 10, bottom plate 11, Connecting plate II and beam angle iron connecting piece 12, beam angle iron connecting piece are symmetricly set in steel beam web plate both sides, and beam angle iron connecting piece includes Orthogonal side III 13 and side IV 14, side III and steel beam web plate vertical welding, side IV is parallel with steel beam web plate, with The other end of connecting plate II is bolted;Upper junction plate is arranged above girder steel top flange, and on side end square steel tube, girder steel The edge of a wing is fixedly connected with the connecting plate II of girder steel both sides, wherein, welded with side end square steel tube and connecting plate II, with girder steel top flange It is bolted;Bottom plate is arranged at below girder steel lower flange, the company with side end square steel tube, girder steel lower flange and girder steel both sides Fishplate bar II is fixedly connected, wherein, weld with side end square steel tube and connecting plate II, be bolted with girder steel lower flange.It is above-mentioned Bolt uses elongated bolt 16, lower flange and bottom plate on elongated bolt-through upper junction plate, girder steel.

Beam connection component also includes beam end plate 15, and beam end plate is arranged between side end square steel tube and girder steel, is welded with girder steel, Beam end plate can strengthen the rigidity of girder steel end, can effectively prevent the girder steel end edge of a wing and bending deformation occurs for web.

The present invention welding portion machined in processing factory, it should be noted that connecting plate II, upper junction plate and under Supporting plate is with after side end square steel tube three welding, foring the cavity of an installation girder steel, if upper junction plate and bottom plate length Identical, it is possible that the problem of girder steel can not be installed, for easier installation girder steel, upper junction plate is segmented into two Point, after installing girder steel, two parts are connected into by an entirety by one piece of connecting cover plate.

The joint structure can be applied to the bean column node region of various forms of concrete filled steel tube coupled columns, as shown in Figure 1 " L " type, the T-shape shown in Fig. 5, the cross-shaped steel pipe concrete coupled column shown in Fig. 6.

The preferred embodiments of the present invention are the foregoing is only, are not intended to limit the invention, for the skill of this area For art personnel, the present invention can have various modifications and variations.Within the spirit and principles of the invention, that is made any repaiies Change, equivalent substitution, improvement etc., should be included in the scope of the protection.

Claims (8)

1. a kind of attachment structure of concrete filled steel tube coupled column bean column node, including center square steel tube (1), side end square steel tube (2) With girder steel (3), it is characterised in that connected between center square steel tube (1) and side end square steel tube (2) by post connection component, side end Square steel tube (2) is connected with girder steel (3) by beam connection component;
Post connection component includes sleeve (4), post angle iron connecting piece (5), connecting plate I (6) and connecting plate II (7), and sleeve (4) is enclosed on On center square steel tube (1), sleeve (4) in the side wall of the relative side of side end square steel tube (2) with being symmetrically arranged with two post angle steel Connector (5), post angle iron connecting piece (5) include orthogonal side I (8) and side II (9), and side I (8) is fixed on sleeve (4) on, side II (9) is with sleeve (4) side in same plane;Connecting plate II (7) is symmetricly set in side end square steel tube (2) two Side, with side II (9) in same plane, connecting plate II (7) centre and side end square steel tube (2) company highly identical with girder steel (3) Connect, side end square steel tube (2) is stretched out outside in both ends, and wherein one end is connected with side II (9) by connecting plate I (6), connecting plate I (6) one End is connected with side II (9), and the other end is connected with connecting plate II (7);
Beam connection component includes upper junction plate (10), bottom plate (11), connecting plate II (7) and beam angle iron connecting piece (12), Liang Jiao Steel fastener (12) is symmetricly set in girder steel (3) web both sides, and beam angle iron connecting piece (12) includes orthogonal side III (13) and side IV (14), side III (13) and girder steel (3) web vertical connection, side IV (14) is parallel with girder steel (3) web, It is connected with the other end of connecting plate II (7);Upper junction plate (10) is arranged above girder steel (3) top flange, with side end square steel tube (2), girder steel (3) top flange is fixedly connected with the connecting plate II (7) of girder steel (3) both sides, and bottom plate (11) is arranged under girder steel (3) Below the edge of a wing, it is fixedly connected with the connecting plate II (7) of side end square steel tube (2), girder steel (3) lower flange and girder steel (3) both sides.
2. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that sleeve (4), the height of post angle iron connecting piece (5) and connecting plate I (6) is identical with the height of girder steel (3).
3. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that post angle steel The side II (9) and connecting plate I (6) of connector (5), connecting plate I (6) and connecting plate II (7), connecting plate II (7) and beam angle steel The side IV (14) of connector (12) is bolted.
4. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that upper connection Plate (10), using welding, uses with side end square steel tube (2) and the connecting plate II (7) of girder steel (3) both sides with girder steel (3) top flange Bolt connection.
5. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that bottom plate (11) spiral shell is used with girder steel (3) lower flange using welding with side end square steel tube (2) and the connecting plate II (7) of girder steel (3) both sides Tether and connect.
6. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, upper junction plate (10), subiculum Lower flange is connected using elongated bolt (16) on plate (11) and girder steel (3).
7. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that beam connects Component also includes beam end plate (15), and beam end plate (15) is arranged between side end square steel tube (2) and girder steel (3), is welded with girder steel (3) Connect.
8. the attachment structure of concrete filled steel tube coupled column bean column node according to claim 1, it is characterised in that sleeve (4) with side I (8) and center square steel tube (1), connecting plate II (7) and the side end of center square steel tube (1), post angle iron connecting piece (5) Square steel tube (2) is using the connected mode of welding.
CN201710771835.0A 2017-08-31 2017-08-31 The connection structure of concrete filled steel tube coupled column bean column node CN107355007B (en)

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130012898A (en) * 2011-07-26 2013-02-05 주식회사 하모니구조엔지니어링 Joint of steel column
CN202767251U (en) * 2012-09-04 2013-03-06 山东科技大学 Inner diaphragm type concrete filled square steel tubular column with outer ring ribs and steel beam joints
CN102979164A (en) * 2012-11-26 2013-03-20 北京工业大学 Multi-story high-rise assembled steel structure eccentrically-braced system
CN103206010A (en) * 2013-03-23 2013-07-17 北京工业大学 Assembled steel structure prestress eccentric bracing frame system
CN103741812A (en) * 2013-11-29 2014-04-23 湖北弘毅建设有限公司 Connection joint of steel reinforced concrete superposed beams and middle column
CN103790241A (en) * 2014-01-21 2014-05-14 浙江大学 Angle steel connecting method of H-type solid-web type beam and lattice type steel column
CN103835374A (en) * 2014-01-15 2014-06-04 夏军武 Novel square steel tube column-H-shaped steel beam splicing outer sleeve type connecting method
CN207244866U (en) * 2017-08-31 2018-04-17 青岛理工大学 The connection structure of concrete filled steel tube coupled column bean column node

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR20130012898A (en) * 2011-07-26 2013-02-05 주식회사 하모니구조엔지니어링 Joint of steel column
CN202767251U (en) * 2012-09-04 2013-03-06 山东科技大学 Inner diaphragm type concrete filled square steel tubular column with outer ring ribs and steel beam joints
CN102979164A (en) * 2012-11-26 2013-03-20 北京工业大学 Multi-story high-rise assembled steel structure eccentrically-braced system
CN103206010A (en) * 2013-03-23 2013-07-17 北京工业大学 Assembled steel structure prestress eccentric bracing frame system
CN103741812A (en) * 2013-11-29 2014-04-23 湖北弘毅建设有限公司 Connection joint of steel reinforced concrete superposed beams and middle column
CN103835374A (en) * 2014-01-15 2014-06-04 夏军武 Novel square steel tube column-H-shaped steel beam splicing outer sleeve type connecting method
CN103790241A (en) * 2014-01-21 2014-05-14 浙江大学 Angle steel connecting method of H-type solid-web type beam and lattice type steel column
CN207244866U (en) * 2017-08-31 2018-04-17 青岛理工大学 The connection structure of concrete filled steel tube coupled column bean column node

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