CN107355007B - Connecting structure of beam-column joint of concrete filled steel tube combined column - Google Patents

Connecting structure of beam-column joint of concrete filled steel tube combined column Download PDF

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Publication number
CN107355007B
CN107355007B CN201710771835.0A CN201710771835A CN107355007B CN 107355007 B CN107355007 B CN 107355007B CN 201710771835 A CN201710771835 A CN 201710771835A CN 107355007 B CN107355007 B CN 107355007B
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column
steel
connecting plate
square steel
steel pipe
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CN107355007A (en
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杨晓明
刘凯
马哲昊
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Qingdao University of Technology
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Qingdao University of Technology
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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
    • E04B1/185—Connections not covered by E04B1/21 and E04B1/2403, e.g. connections between structural parts of different material

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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

本发明涉及建筑结构构件领域，公开了一种钢管混凝土组合柱梁柱节点的连接结构，其包括中心方钢管、边端方钢管和钢梁，中心方钢管和边端方钢管之间通过柱连接组件连接，边端方钢管与钢梁通过梁连接组件连接。本发明的中心方钢管和端部方钢管通过柱连接组件连接，大大增加了节点刚度，同时有效预防和控制了中心方钢管和端部方钢管扭转；本发明梁柱之间通过螺栓连接，避免了直接焊接，达到梁柱分离的目的，有效避免梁柱节点处发生脆性破坏，使得塑性铰外移，满足“强柱弱梁、强节点弱构件”的抗震要求；本发明所有构件及连接件均在加工厂加工完成，施工现场梁柱采用螺栓连接，有效避免了施工现场焊接工作，装配化程度高，安装方便快捷。

The invention relates to the field of building structural components, and discloses a connection structure of a concrete-filled steel tubular composite column-beam-column joint, which comprises a central square steel pipe, side-end square steel pipes and steel beams, and the central square steel pipe and the side-end square steel pipes are connected by columns The components are connected, and the side and end square steel pipes are connected with the steel beams through the beam connection components. The central square steel pipe and the end square steel pipe of the present invention are connected by the column connecting component, which greatly increases the stiffness of the joints, and at the same time effectively prevents and controls the torsion of the central square steel pipe and the end square steel pipe; the beams and columns are connected by bolts, which avoids direct Welding to achieve the purpose of beam-column separation, effectively avoid brittle failure at beam-column joints, make the plastic hinge move outwards, and meet the seismic requirements of "strong columns, weak beams, strong joints and weak components"; all components and connectors in the present invention are in The processing plant is completed, and the beams and columns on the construction site are connected by bolts, which effectively avoids the welding work on the construction site. The degree of assembly is high, and the installation is convenient and fast.

Description

The connection structure of concrete filled steel tube coupled column bean column node
Technical field
The present invention relates to building structural element fields, in particular to a kind of concrete filled steel tube coupled column bean column node Connection structure.
Background technique
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 there are salient angle in column and the wide excessive caused interior of column section that avoids of wall, increases 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 becomes one of the 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 above two joint form exists following insufficient: 1, the edge of a wing of its diaphragm plate of diaphragm plate type node and beam is same On horizontal plane, which disconnect column will in each layer, and welding capacity is big, and welding difficulty is high, while steel can generate Biggish residual stress, so that brittle break easily occurs at node；2, outer ring gusset-type joint needs sufficiently large steel plate to guarantee Strength and stiffness of node, but excessive ring flat-plate can protrude building roof and interior is made to have salient angle, while meeting when being applied to side column The installation of exterior wall is influenced, so that the finishing and perception for the later period bring very big influence.
Summary 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 connection structure of the high concrete filled steel tube coupled column bean column node of assembling degree.
To achieve the goals above, the connection 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 column connection component, side end square steel Pipe is connect with girder steel by beam connection component；
Column connection component includes sleeve, column angle iron connecting piece, connecting plate I and connecting plate II, and sleeve is covered in center square steel tube On, it is arranged symmetrically on the side wall of the sleeve side opposite with side end square steel tube that there are two column angle iron connecting piece, column angle iron connecting pieces Including orthogonal side I and side II, side I is fixed on sleeve, and side II and sleeve side are in same plane；Connection Plate II is symmetrically disposed on side end square steel tube two sides, identical as girder steel height with side II in same plane, among connecting plate II with The connection of side end square steel tube, both ends are stretched out outside side end square steel tube, and wherein one end is connect with side II by connecting plate I, connecting plate I 1 End is connect with side II, and the other end is connect with connecting plate II；
Beam connection component includes upper junction plate, lower pallet, connecting plate II and beam angle iron connecting piece, and beam angle iron connecting piece is symmetrical It is set to steel beam web plate two sides, 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, connect with the other end of connecting plate II；Upper junction plate is set to girder steel top flange Top is fixedly connected with the connecting plate II of side end square steel tube, girder steel top flange and girder steel two sides, and lower pallet is set to 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 two sides.
Further, the height of sleeve, column angle iron connecting piece and connecting plate I is identical as steel depth of beam.
Further, the side II and connecting plate I of column 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 two sides are all made of welding, on girder steel The edge of a wing is connected by screw bolts.
Further, lower pallet and side end square steel tube and the connecting plate II of girder steel two sides are using welding, with girder steel lower flange It is connected by screw bolts.
Further, lower flange is bolted using elongated on upper junction plate, lower pallet and girder steel.
Further, beam connection component further includes beam end plate, and beam end plate is set between side end square steel tube and girder steel, with steel Beam welding.
Further, sleeve and center square steel tube, the side I of column angle iron connecting piece and center square steel tube, connecting plate II with Side end square steel tube is all made of the connection type of welding.
The joint structure can be using the bean column node region of " L " type, T-shape or cross-shaped steel pipe concrete coupled column.
The invention has the following advantages:
(1) center square steel tube of the invention is connected with end square steel tube by column connection component, and it is rigid to considerably increase node Degree, while effectively preventing and controlling 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 The purpose separated to beam column effectively avoids that brittle break occurs at bean column node, so that plastic hinge, while beam column uses spiral shell It tethers to connect and can effectively eliminate triaxial stress concentration, avoid conventional node column 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 completed the process in processing factory, and construction site beam column is connected by screw bolts, Construction site welding is effectively prevented, assembling degree is high, quick and easy for installation.
Detailed description of the invention
Fig. 1 is schematic structural view of the invention；
Fig. 2 is center square steel tube and sleeve and column angle iron connecting piece connection relationship diagram；
Fig. 3 is the schematic diagram of the section structure of the present invention；
Fig. 4 is side end square steel tube and girder steel, beam angle iron connecting piece, upper junction plate and lower pallet connection relationship diagram；
Fig. 5 is the structural schematic diagram 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 schematic diagram in the bean column node region that the present invention is applied to " cross " shape steel tube concrete combination column.
In figure: 1, center square steel tube；2, side end square steel tube；3, girder steel；4, sleeve；5, column angle iron connecting piece；6, connecting plate Ⅰ；7, connecting plate II；8, side I；9, side II；10, upper junction plate；11, lower pallet；12, beam angle iron connecting piece；13, side Ⅲ；14, side IV；15, beam end plate；16, elongated bolt.
Specific embodiment
The present invention will be further explained below with reference to the attached drawings.
As shown in Figs 1-4, the connection structure of concrete filled steel tube coupled column bean column node of the invention, including center square steel tube 1, 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 column connection component.
Column connection component includes sleeve 4, column angle iron connecting piece 5, connecting plate I 6 and connecting plate II 7, and sleeve weld is at center Column angle iron connecting piece there are two being symmetrical arranged on square steel tube, on the side wall of the sleeve side opposite with side end square steel tube, column angle steel 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 symmetrically disposed on side end square steel tube two sides, with side II in same plane, width and girder steel height phase Together, it is 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 connect Plate I connects, and connecting plate I is located at the inside of connecting plate II, and I one end of connecting plate is bolted with side II, the other end and company Fishplate bar II is bolted；The height of sleeve, column angle iron connecting piece and connecting plate I is identical as steel depth of beam.
Side end square steel tube is connect with girder steel by beam connection component, beam connection component include upper junction plate 10, lower pallet 11, Connecting plate II and beam angle iron connecting piece 12, beam angle iron connecting piece are symmetrically disposed on steel beam web plate two 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 set to above girder steel top flange, on side end square steel tube, girder steel The edge of a wing is fixedly connected with the connecting plate II of girder steel two sides, wherein is welded with side end square steel tube and connecting plate II, with girder steel top flange It is bolted；Lower pallet is set to below girder steel lower flange, the company with side end square steel tube, girder steel lower flange and girder steel two sides Fishplate bar II is fixedly connected, wherein is welded with side end square steel tube and connecting plate II, is bolted with girder steel lower flange.It is above-mentioned Bolt uses elongated bolt 16, lower flange and lower pallet on elongated bolt-through upper junction plate, girder steel.
Beam connection component further includes beam end plate 15, and beam end plate is set between side end square steel tube and girder steel, is welded with girder steel, The rigidity of girder steel end can be enhanced in beam end plate, can effectively prevent the girder steel end edge of a wing and bending deformation occurs for web.
Welding portion of the invention is completed the process in processing factory, it should be noted that connecting plate II, upper junction plate and under After supporting plate and side end square steel tube three welding, the cavity of an installation girder steel is formd, if upper junction plate and lower pallet 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 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, T-shape shown in fig. 5, cross-shaped steel pipe concrete coupled column shown in fig. 6.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, for the skill of this field For art personnel, the invention may be variously modified and varied.All within the spirits and principles of the present invention, made any to repair Change, equivalent replacement, improvement etc., should all be included in the protection scope of the present invention.

Claims (8)

1.一种钢管混凝土组合柱梁柱节点的连接结构，包括中心方钢管(1)、边端方钢管(2)和钢梁(3)，其特征在于，中心方钢管(1)和边端方钢管(2)之间通过柱连接组件连接，边端方钢管(2)与钢梁(3)通过梁连接组件连接；1. a connection structure of a concrete-filled steel tubular composite column beam-column joint, comprising a central square steel pipe (1), a side end square steel pipe (2) and a steel beam (3), it is characterized in that, the central square steel pipe (1) and the side end The square steel pipes (2) are connected by column connecting components, and the side-end square steel pipes (2) and the steel beams (3) are connected by beam connecting components; 柱连接组件包括套筒(4)、柱角钢连接件(5)、连接板Ⅰ(6)和连接板Ⅱ(7)，套筒(4)套在中心方钢管(1)上，套筒(4)与边端方钢管(2)相对的一侧的侧壁上对称设置有两个柱角钢连接件(5)，柱角钢连接件(5)包括相互垂直的侧边Ⅰ(8)和侧边Ⅱ(9)，侧边Ⅰ(8)固定在套筒(4)上，侧边Ⅱ(9)与套筒(4)一侧在同一平面；连接板Ⅱ(7)对称设置于边端方钢管(2)两侧，与侧边Ⅱ(9)在同一平面，与钢梁(3)高度相同，连接板Ⅱ(7)中间与边端方钢管(2)连接，两端伸出边端方钢管(2)外，其中一端与侧边Ⅱ(9)通过连接板Ⅰ(6)连接，连接板Ⅰ(6)一端与侧边Ⅱ(9)连接，另一端与连接板Ⅱ(7)连接；The column connection assembly includes a sleeve (4), a column angle steel connecting piece (5), a connecting plate I (6) and a connecting plate II (7). The sleeve (4) is sleeved on the central square steel pipe (1), and the sleeve ( 4) Two column angle steel connectors (5) are symmetrically arranged on the side wall of the side opposite to the side end square steel pipe (2), and the column angle steel connectors (5) include mutually perpendicular side edges I (8) and side edges. Side II (9), side I (8) is fixed on the sleeve (4), side II (9) and the side of the sleeve (4) are on the same plane; the connecting plate II (7) is symmetrically arranged on the side end The two sides of the square steel pipe (2) are on the same plane as the side II (9), and the height is the same as that of the steel beam (3). The middle of the connecting plate II (7) is connected with the side end square steel pipe (2). Outside the end square steel pipe (2), one end of the steel pipe is connected with the side II (9) through the connecting plate I (6), one end of the connecting plate I (6) is connected with the side II (9), and the other end is connected with the connecting plate II (7). )connect; 梁连接组件包括上连接板(10)、下托板(11)、连接板Ⅱ(7)和梁角钢连接件(12)，梁角钢连接件(12)对称设置于钢梁(3)腹板两侧，梁角钢连接件(12)包括相互垂直的侧边Ⅲ(13)和侧边Ⅳ(14)，侧边Ⅲ(13)与钢梁(3)腹板垂直连接，侧边Ⅳ(14)与钢梁(3)腹板平行，与连接板Ⅱ(7)的另一端连接；上连接板(10)设置于钢梁(3)上翼缘上方，与边端方钢管(2)、钢梁(3)上翼缘和钢梁(3)两侧的连接板Ⅱ(7)固定连接，下托板(11)设置于钢梁(3)下翼缘下方，与边端方钢管(2)、钢梁(3)下翼缘和钢梁(3)两侧的连接板Ⅱ(7)固定连接。The beam connecting assembly includes an upper connecting plate (10), a lower supporting plate (11), a connecting plate II (7) and a beam angle steel connecting piece (12), and the beam angle steel connecting piece (12) is symmetrically arranged on the web plate of the steel beam (3). On both sides, the beam angle steel connectors (12) include mutually perpendicular side III (13) and side IV (14), the side III (13) is vertically connected with the web of the steel beam (3), and the side IV (14) ) is parallel to the web of the steel beam (3), and is connected to the other end of the connecting plate II (7); the upper connecting plate (10) is arranged above the upper flange of the steel beam (3), and is connected to the side-end square steel pipes (2), The upper flange of the steel beam (3) is fixedly connected with the connecting plates II (7) on both sides of the steel beam (3). 2) The lower flange of the steel beam (3) is fixedly connected with the connecting plates II (7) on both sides of the steel beam (3). 2.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，套筒(4)、柱角钢连接件(5)和连接板Ⅰ(6)的高度均与钢梁(3)的高度相同。2. The connection structure of the CFST composite column-beam-column joint according to claim 1, wherein the height of the sleeve (4), the column angle steel connector (5) and the connecting plate I (6) are all the same as the height of the steel beam (3) have the same height. 3.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，柱角钢连接件(5)的侧边Ⅱ(9)和连接板Ⅰ(6)、连接板Ⅰ(6)和连接板Ⅱ(7)、连接板Ⅱ(7)和梁角钢连接件(12)的侧边Ⅳ(14)均通过螺栓连接。3. The connection structure of the CFST composite column-beam-column joint according to claim 1, wherein the side II (9) of the column angle steel connecting piece (5), the connecting plate I (6), the connecting plate I ( 6) Connect with the connecting plate II (7), the connecting plate II (7) and the side IV (14) of the beam angle steel connecting piece (12) by bolts. 4.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，上连接板(10)与边端方钢管(2)和钢梁(3)两侧的连接板Ⅱ(7)均采用焊接，与钢梁(3)上翼缘采用螺栓连接。4. The connection structure of the CFST composite column-beam-column joint according to claim 1, wherein the upper connecting plate (10) and the connecting plate II on both sides of the side-end square steel pipe (2) and the steel beam (3) (7) are all welded and bolted to the upper flange of the steel beam (3). 5.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，下托板(11)与边端方钢管(2)和钢梁(3)两侧的连接板Ⅱ(7)均采用焊接，与钢梁(3)下翼缘采用螺栓连接。5. The connection structure of the CFST composite column-beam-column joint according to claim 1, characterized in that the lower support plate (11) and the connecting plate II on both sides of the side-end square steel pipe (2) and the steel beam (3) (7) are all welded and connected with the lower flange of the steel beam (3) by bolts. 6.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，上连接板(10)、下托板(11)和钢梁(3)上下翼缘采用通长螺栓(16)连接。6. The connection structure of the CFST composite column-beam-column joint according to claim 1, the upper connecting plate (10), the lower supporting plate (11) and the upper and lower flanges of the steel beam (3) are connected by through-length bolts (16) . 7.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，梁连接组件还包括梁端板(15)，梁端板(15)设置于边端方钢管(2)与钢梁(3)之间，与钢梁(3)焊接。7. The connection structure of the CFST composite column-beam-column joint according to claim 1, wherein the beam connection assembly further comprises a beam end plate (15), and the beam end plate (15) is arranged on the side end square steel pipe (2). ) and the steel beam (3), and welded with the steel beam (3). 8.根据权利要求1所述的钢管混凝土组合柱梁柱节点的连接结构，其特征在于，套筒(4)与中心方钢管(1)、柱角钢连接件(5)的侧边Ⅰ(8)与中心方钢管(1)、连接板Ⅱ(7)与边端方钢管(2)均采用焊接的连接方式。8. The connection structure of the CFST composite column-beam-column joint according to claim 1, characterized in that the side I (8) of the sleeve (4), the central square steel pipe (1) and the column angle steel connector (5) ) and the central square steel pipe (1), the connecting plate II (7) and the side end square steel pipes (2) are all connected by welding.
CN201710771835.0A 2017-08-31 2017-08-31 Connecting structure of beam-column joint of concrete filled steel tube combined column Expired - Fee Related CN107355007B (en)

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CN111980154A (en) * 2020-08-20 2020-11-24 中国建筑标准设计研究院有限公司 Beam-column connecting joint of special-shaped column and construction method
CN112502295B (en) * 2020-11-27 2024-05-28 重庆大学 Post-earthquake replaceable beam column joint connecting device with assembled combined structure
CN112854480A (en) * 2021-03-15 2021-05-28 刘盼盼 Beam column weak axis connecting joint and assembling method thereof

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