CN105821961B - A kind of tee girder column connected node - Google Patents

A kind of tee girder column connected node Download PDF

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Publication number
CN105821961B
CN105821961B CN201610344129.3A CN201610344129A CN105821961B CN 105821961 B CN105821961 B CN 105821961B CN 201610344129 A CN201610344129 A CN 201610344129A CN 105821961 B CN105821961 B CN 105821961B
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China
Prior art keywords
steel
column
plate
side plate
steel tube
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CN201610344129.3A
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CN105821961A (en
Inventor
郝际平
孙晓岭
张伟
薛强
樊春雷
黄育琪
刘斌
陈永昌
王磊
尹伟康
刘瀚超
何梦楠
张峻铭
赵子健
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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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
    • E04B1/19Three-dimensional framework structures
    • E04B1/1903Connecting nodes specially adapted therefor
    • 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
    • E04B1/20Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of concrete, e.g. reinforced concrete, or other stonelike material
    • E04B1/21Connections specially adapted therefor
    • E04B1/215Connections specially adapted therefor comprising metallic plates or parts
    • 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
    • E04B1/38Connections for building structures in general
    • E04B1/58Connections for building structures in general of bar-shaped building elements

Abstract

The invention discloses a kind of tee girder column connected nodes, including multi-cavity steel tube concrete coupled column, and along the symmetrically arranged side plate in multi-cavity steel tube concrete coupled column two side, the plate of its inside multi-cavity steel tube concrete coupled column is equipped with through side plate and is inserted into along one of side plate, inserted with reinforced H profile steel combination beam on two pieces of side plate extended segments and plate, tee girder column connected node is constituted.Edge constraint component of the node as entire steel core concrete column, can be improved its bearing capacity and energy dissipation capacity and ductility;Site operation is convenient, does not damage multi-cavity steel tube concrete coupled column, material saving is laborsaving.There is stronger effect of contraction to concrete using steel pipe, overall structure meets the design principle of " strong column and weak beam; the weak component of strong node ", node has multiple tracks and provides fortification against earthquakes line, it avoids causing integral system to destroy because partial component is destroyed, while also having necessary intensity, good deformability and energy dissipation capacity.

Description

A kind of tee girder column connected node
Technical field
The present invention relates to a kind of tee girder column connected nodes, are mainly used in the multilayer structure in building structure Concrete filled steel tube coupled column.
Background technology
With economic globalization, the raising of the level of urbanization, urban population closeness gradually increases so that a large amount of high levels are not It is disconnected to emerge in large numbers.Just there is an urgent need to the designs and construction of new technical support high level and tier building for this.
Concrete filled steel tube utilizes interaction of the two kinds of materials of steel pipe and concrete in loading process, i.e., steel pipe is to coagulation The effect of contraction of soil makes concrete be in complex stress condition, and to make the intensity of concrete be improved, plasticity and toughness are big To improve.Meanwhile after steel duct fill concrete, due to the supporting role of concrete, can to avoid or delay steel pipe walls Buckling.The combination of two kinds of materials compensates for respective disadvantage so that material property gives full play to.The structure can improve carrying Ability has reduction wall thickness, slows down the rate of decay of bearing capacity and stiffness, enhances the ductile performance of cylinder or wall.
With the development and improvement of living standard of society, people to the usable floor area and cosmetic requirements of house increasingly It is high.Traditional circle or Concrete Filled Square Steel Tubes column, generally can not be surrounded by wall completely, and suspension column is greatly prominent Inside room, certain interior space is occupied so that furnishings and room arrangement are subject to certain restrictions.Using rectangular section steel Pipe concrete coupled column can accomplish solve the problems, such as that column protrudes corner angle with width with wall.
Studies have shown that the concrete-filled rectangular steel tube coupled column of general type, steel pipe are only limitted to the constraint of core concrete Angle point, weaker on periphery, bearing capacity is relatively low.Newel post is that the multi-cavity steel tube concrete coupled column of rectangular steel pipe is arranged at edge Confining part is laterally arranged box construct of putting more energy into, shaft is divided into several chambers, is made to improve its bearing capacity and energy dissipation capacity Steel plate reinforces the effect of contraction of concrete, while reducing the width-thickness ratio of steel plate, prevents or delay the local buckling of steel plate.
Invention content
The object of the present invention is to provide a kind of construction is simple, the cheap T with ribbed stiffener concrete filled steel tube coupled column Ellbeam column connected node solves the problems, such as prominent corner angle in conventional post room, improves the carrying of Multicarity concrete filled steel tube coupled column Power and ductility.Delay or avoid the reduction due to stiffness of structural member bearing capacity and ductility caused by steel pipe siding local buckling, fully Play the performance of material.Overall structure meets the design principle of " strong column and weak beam, the strong weak component of node ", and node has multiple tracks antidetonation It sets up defences line, has necessary intensity, good deformability and energy dissipation capacity.
To achieve the goals above, present invention employs technical solutions below:
A kind of tee girder column connected node, including multi-cavity steel tube concrete coupled column, and along multi-cavity steel tube concrete coupled column The symmetrically arranged side plate in two side is equipped with through side plate along one of side plate and is inserted into its inside multi-cavity steel tube concrete group The plate of zygostyle constitutes tee girder column connection section inserted with reinforced H profile steel combination beam on two pieces of side plate extended segments and plate Point.
Further, the reinforced H profile steel combination beam includes H profile steel, and is arranged between the section steel flange of H profile steel end Two pieces of ribbed stiffeners, the H profile steel web both sides on the inside of ribbed stiffener are connected with a pair of connector being flush with H profile steel edge, Upper cover plate and lower cover are respectively welded on the outside of lower flange in H profile steel.
Further, the connector is steel angle structure, and bolt hole is distributed on the outer end face of angle steel.
Further, the side plate is equipped with through-hole corresponding with connector bolt hole.
Further, the width of the upper cover plate and lower cover is more than the width of lower flange in H profile steel.
Further, the ribbed stiffener is scheduled on the web both sides of H profile steel using three skirt solid weldings.
Further, the multi-cavity steel tube concrete coupled column is connect by the web between the sleeper and sleeper at both ends with partition board It constitutes, concreting is wherein.
Further, the sleeper is hot finished steel pipe.
Further, two blocks of side plates are fixed along multi-cavity steel tube concrete coupled column both sides level, and two blocks of plates are along both ends Sleeper both sides are bonded.
The present invention can obtain following advantageous effect:
1) reinforced H profile steel combination beam forms node with multi-cavity steel tube concrete coupled column, constitutes beam and multi-cavity steel tube The form of the T-shaped connection of concrete combination column shape, room usable floor area and aesthetics can be increased by solving.
2) after reinforced H profile steel combination beam is fixed with multi-cavity steel tube concrete coupled column, as entire steel core concrete column Edge constraint component, its bearing capacity and energy dissipation capacity can be improved.
3) reinforced H profile steel combination beam pre-production, then whole insertion multi-cavity steel tube concrete coupled column, improve component Bearing capacity and ductility.Site operation is convenient, does not damage multi-cavity steel tube concrete coupled column, material saving is laborsaving.
4) due to using multi-cavity steel tube concrete coupled column, steel pipe to have stronger effect of contraction, shaft whole concrete Bearing capacity and ductility it is relatively good, realize the design requirement of strong column and weak beam.
5) overall structure meets the design principle of " strong column and weak beam, the strong weak component of node ", and node has multiple tracks and provides fortification against earthquakes Line avoids causing integral system to destroy because partial component is destroyed, at the same also have necessary intensity, good deformability and Energy dissipation capacity.
Description of the drawings
Fig. 1 is tee girder column connected node structural schematic diagram of the present invention;
Fig. 2 (a)-(c) is reinforced H profile steel combined beam structure schematic diagram;
Fig. 3 (a)-(h) is that reinforced H profile steel combination beam combines column node structure schematic diagram with multi-cavity steel tube concrete;
Fig. 4 (a)-(c) is tee girder column connected node sectional view of the present invention;
Fig. 5 is that (a)-(c) is beam yield failure process schematic;
Fig. 6 is the hysteresis loop schematic diagram of node.
In figure:1, multi-cavity steel tube concrete coupled column;2, side plate;3, reinforced H profile steel combination beam;3-1, H profile steel;3-2、 Upper cover plate;3-3, ribbed stiffener;3-4, lower cover;3-5, connector;4, plug-in type combined support;4, plate;5, hot finished steel pipe.
Specific implementation mode
The present invention is described in further details with reference to specific embodiment.
As shown in Figure 1, tee girder column connected node of the present invention, including multi-cavity steel tube concrete coupled column 1, and along Multi-cavity steel The symmetrically arranged side plate 2 in 1 two side of pipe concrete coupled column is equipped with through side plate 2 along one of side plate 2 and is inserted into it The plate 4 of side multi-cavity steel tube concrete coupled column 1, inserted with reinforced H profile steel group on two pieces of 2 extended segments of side plate and plate 4 Beam 3 is closed, tee girder column connected node is constituted.
As shown in Fig. 2 (a)-(c), reinforced H profile steel combination beam 3 of the invention, including H profile steel 3-1, and in H profile steel Two pieces of ribbed stiffener 3-3 being arranged between the section steel flange of the ends 3-1, ribbed stiffener 3-3 are welded on the web both sides of H profile steel 3-1, and edge adds H profile steel 3-1 webs both sides on the inside of strength rib 3-3 are welded with a pair of connector 3-5 being flush with the edges H profile steel 3-1, in H-type On steel 3-1 upper cover plate 3-2 and lower cover 3-4 are respectively welded on the outside of lower flange.Wherein, connector 3-5 is steel angle structure, angle steel Outer end face on bolt hole is distributed with.Side plate 2 and plate 4 are equipped with through-hole corresponding with connector 3-5 bolts hole.Upper cover plate The width of 3-2 and lower cover 3-4 are more than the width of lower flange on H profile steel 3-1.Ribbed stiffener 3-3 is scheduled on H-type using three skirt solid weldings The web both sides of steel.Web between sleeper and sleeper that multi-cavity steel tube concrete coupled column 1 is made of the hot finished steel pipe at both ends It being connected and composed with partition board, wherein, two blocks of side plates 2 are fixed along 1 both sides level of multi-cavity steel tube concrete coupled column for concreting, and two Block plate 4 is bonded along both ends sleeper both sides.
As shown in Fig. 3 (a)-(h), tee girder column connected node installation process of the invention is as follows:
(1) first plate 4 is positioned on the multi-cavity steel tube of multi-cavity steel tube concrete coupled column 1;
(2) according to plate 4 the multi-cavity steel tube of multi-cavity steel tube concrete coupled column 1 location dimension, in multi-cavity steel tube It is provided with vertical slot identical with 4 thickness of plate on web, the logical of the side plate 2 of multi-cavity steel tube concrete coupled column 1 is run through as plate 4 Road;Built-in inserted plate is inserted into, installation is fixed temporarily using spot welding;
(3) side plate and multi-cavity steel tube are used fillet welding by the installation site that side plate is positioned on multi-cavity steel tube along long side direction Seam is connected and fixed;
Then plate and side plate and multi-cavity steel tube are welded together using plug welding mode;Outside plate 4 is broken as two sections, 4 outer segment of outside plate using twin fillet wolt mode along front side board vertical connection, 4 inner segment of outside plate using plug welding and sleeper and Both sides side plate is connected and fixed;
(4) it by between the pre-assembled reinforced insertion of H profile steel combination beam 3 both sides side plate, is incited somebody to action by tightening installation bolt Reinforced H profile steel combination beam 3 is fixed temporarily with both sides side plate;Then side plate and upper and lower cover plates and connector are welded;
(5) by filling concrete in multi-cavity steel tube, the installation of T-type beam-column connection is completed.
It is tee girder column connected node sectional view of the present invention as shown in Fig. 4 (a)-(c).
Tee girder column connected node of the present invention can improve its bearing capacity and energy dissipation capacity.And site operation is convenient, does not damage Multi-cavity steel tube concrete coupled column, material saving are laborsaving.
It is below that row illustrate that tee girder column of the present invention connects with multi-cavity steel tube concrete coupled column-girder steel U-shaped rigid joint The mechanical property of node.
Finite element analysis is carried out to node using ABAQUS softwares, node column is the multi-cavity steel tube concrete group of 200x600 Zygostyle, beam use the welding H-bar of H350x150x6x10, and dual-sided board and cover sheet thickness are with flange of beam the same as thick at node. Shown in Finite element analysis results Fig. 5 (a)-(c).
Due to using multi-cavity steel tube concrete coupled column, steel pipe to have stronger effect of contraction to concrete, shaft entirety Bearing capacity and ductility are relatively good, realize the design requirement of strong column and weak beam.Multi-cavity steel tube concrete coupled column-girder steel U-shaped The destruction sequence of rigid joint is as shown in Fig. 5 (a)-(c) institutes.When external force action is larger, the beam-ends A far from node bonding pad is first Occur shown in plastic hinge Fig. 5 (a), Internal Force Redistribution, the bearing power increase of structure;With the increase of external force, beam cover board B is prior to side Plate occurs shown in plastic hinge Fig. 5 (b);The final destruction of structure is as shown in Fig. 5 (c), beam-ends edge of a wing buckling, and side plate upper and lower sides C is big Area is surrendered, but side plate does not form plastic hinge, and still there is structure certain energy dissipation capacity, the design for meeting the weak component of strong node to want It asks.
According to conceptual Design of Earthquake Resistance principle, structure should have multiple tracks and provide fortification against earthquakes line the present invention, avoid because partial component is broken Badly integral system is caused to destroy, while also requiring structure that should have necessary intensity, good deformability and energy dissipation capacity. Tee girder column connected node of the present invention uses multi-cavity steel tube concrete coupled column-girder steel U-shaped rigid joint form, using column and beam The mode for holding isolation transmits beam-ends moment of flexure and shearing by full-height side plate and the node connector of cover board composition.When When geological process, there is plastic hinge first in beam-ends, consumes certain seismic energy and forms first of earthquake protection line, back shroud There is plastic hinge, further dissipate seismic energy, forms second earthquake protection line, and side plate ultimately forms plastic hinge, forms the Three earthquake protection lines.Overall structure meets the design principle of " strong column and weak beam, the strong weak component of node ", the energy-dissipating property ratio of structure Preferably.As shown in fig. 6, the hysteresis loop of node is full, without apparent Draw shrinkage, the energy dissipation capacity of node is good, and deformation is big, When coming earthquake, resident family is allowed there are more escape times.
The above content is a further detailed description of the present invention in conjunction with specific preferred embodiments, and it cannot be said that The specific implementation mode of the present invention is only limitted to this, for those of ordinary skill in the art to which the present invention belongs, is not taking off Under the premise of from present inventive concept, several simple reasonings or replacement can also be made, all shall be regarded as belonging to the present invention by institute Claims of submission determine scope of patent protection.

Claims (6)

1. a kind of tee girder column connected node, it is characterised in that:It is mixed including multi-cavity steel tube concrete coupled column, and along multi-cavity steel tube The solidifying symmetrically arranged side plate in local soil type's zygostyle two side is equipped with through side plate along one of side plate and is inserted into its inside Multi-cavity steel The plate of pipe concrete coupled column, the multi-cavity steel tube concrete coupled column by between the sleeper and sleeper at both ends web with every Plate connects and composes, and concreting is wherein;Two blocks of side plates are fixed along multi-cavity steel tube concrete coupled column both sides level, two pieces Plate is bonded along both ends sleeper both sides;Inserted with reinforced H profile steel combination beam on two pieces of side plate extended segments and plate, T is constituted Ellbeam column connected node;
The reinforced H profile steel combination beam includes H profile steel, and two pieces be arranged between the section steel flange of H profile steel end are put more energy into Rib, the H profile steel web both sides on the inside of ribbed stiffener are connected with a pair of connector being flush with H profile steel edge, above and below H profile steel It is respectively welded upper cover plate and lower cover on the outside of the edge of a wing.
2. a kind of tee girder column connected node according to claim 1, it is characterised in that:The connector is steel angle structure, Bolt hole is distributed on the outer end face of angle steel.
3. a kind of tee girder column connected node according to claim 1 or 2, it is characterised in that:It is set on the side plate and plate There is through-hole corresponding with connector bolt hole.
4. a kind of tee girder column connected node according to claim 2, it is characterised in that:The upper cover plate and lower cover Width is more than the width of lower flange in H profile steel.
5. a kind of tee girder column connected node according to claim 2, it is characterised in that:The ribbed stiffener uses three skirts Solid welding is scheduled on the web both sides of H profile steel.
6. a kind of tee girder column connected node according to claim 1, it is characterised in that:The sleeper is hot finished steel pipe.
CN201610344129.3A 2016-05-20 2016-05-20 A kind of tee girder column connected node Active CN105821961B (en)

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CN106320607A (en) * 2016-08-10 2017-01-11 天津大学建筑设计研究院 Manufacturing method of assembly type prefabricated superposed beam with steel structure connection joints
CN106264007B (en) * 2016-10-31 2018-03-02 桂林航天工业学院 A kind of cantilevered bed clothes hanger and the bed using this clothes hanger
CN107989186B (en) * 2017-11-29 2019-10-25 厦门合立道工程设计集团股份有限公司 A kind of prefabricated concrete structure primary steel feather joint node and its construction method
CN113152660B (en) * 2021-01-08 2022-11-25 凉山州现代房屋建筑集成制造有限公司 Combination enhancement mode node that girder steel and wide steel core concrete column are connected

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CN105569191A (en) * 2016-01-23 2016-05-11 安徽鸿路钢结构(集团)股份有限公司 Steel-encased concrete composite beam-steel pipe column connection joint
CN205637122U (en) * 2016-05-20 2016-10-12 西安建筑科技大学 T beam -column connecting joint that appears

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Publication number Priority date Publication date Assignee Title
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CN102995758A (en) * 2012-12-14 2013-03-27 金天德 Rigid-connection node of combined steel-pipe concrete column and steel beam
CN204919805U (en) * 2015-07-27 2015-12-30 云南建工钢结构有限公司 A bundled tube steel framework composition structure that is used for industrialization assembled steel construction house
CN105569191A (en) * 2016-01-23 2016-05-11 安徽鸿路钢结构(集团)股份有限公司 Steel-encased concrete composite beam-steel pipe column connection joint
CN205637122U (en) * 2016-05-20 2016-10-12 西安建筑科技大学 T beam -column connecting joint that appears

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