A kind of tee girder column connected node
Technical field
This utility model relates to a kind of tee girder column connected node, the multilamellar being mainly used in building structure and
The concrete filled steel tube coupled column of skyscraper.
Background technology
Along with economic globalization, the raising of the level of urbanization, urban population closeness is gradually increased so that big
Amount high level continues to bring out.This just high-rise in the urgent need to new technical support and design of tier building and construction.
Concrete filled steel tube utilizes steel pipe and the interaction in loading process of the concrete bi-material, i.e. steel pipe
Concrete is made to be in complex stress condition the effect of contraction of concrete, so that the intensity of concrete is carried
Height, plasticity and toughness greatly improve.Meanwhile, after steel duct fill concrete, due to propping up of concrete
Support effect, can avoid or delay the flexing of steel pipe walls.The combination of bi-material compensate for respective shortcoming,
Material property is given full play to.This structure can improve bearing capacity, has reduction wall thickness, and slow down bearing capacity
With the rate of decay of rigidity, strengthen cylinder or the ductile performance of body of wall.
Along with development and the growth in the living standard of society, people are to the usable floor area of house and cosmetic requirements
More and more higher.Traditional circle or Concrete Filled Square Steel Tubes post, be generally not capable of being surrounded by body of wall completely,
The most prominent house interior of suspension column, takies certain interior space so that furnishings and room cloth
Put by a definite limitation.Use concrete filled steel rectangular tubes coupled column, can accomplish with wall with wide, solve
The problem that post highlights corner angle.
Research shows, the concrete-filled rectangular steel tube coupled column of general type, the steel pipe constraint to core concrete
Being only limitted to angle point, more weak at periphery, bearing capacity is relatively low.Newel post is the multi-cavity steel tube coagulation of rectangular steel pipe
Local soil type's zygostyle arranges confining part to improve its bearing capacity and energy dissipation capacity at edge, and horizontally set is put more energy into drawknot
Measure, is divided into some chambers by shaft, makes steel plate strengthen the effect of contraction of concrete, reduces steel simultaneously
The flakiness ratio of plate, prevents or delays the cripling of steel plate.
Utility model content
The purpose of this utility model is to provide a kind of band ribbed stiffener concrete filled steel tube constructing simple, cheap
The tee girder column connected node of coupled column, solves conventional post indoor and highlights the problem of corner angle, improve Multicarity steel
The bearing capacity of pipe concrete coupled column and ductility.Delay or avoid the structure caused due to steel pipe wallboard cripling
Part rigidity bearing capacity and the reduction of ductility, give full play to the performance of material.Overall structure meet " strong column and weak beam,
The strong weak component of node " design principle, node possesses multiple tracks and provides fortification against earthquakes line, possesses the intensity of necessity, good
Good deformability and energy dissipation capacity.
To achieve these goals, this utility model have employed following technical scheme:
A kind of tee girder column connected node, including multi-cavity steel tube concrete coupled column, and along multi-cavity steel tube coagulation
The symmetrically arranged side plate in local soil type's zygostyle two side, is provided with along one of side plate and runs through side plate and be inserted therein
The plate of side multi-cavity steel tube concrete coupled column, is inserted with reinforced H on two pieces of side plate extensions and plate
Shaped steel combination beam, constitutes tee girder column connected node.
Further, described reinforced H profile steel combination beam includes H profile steel, and at the H profile steel end shaped steel wing
The two pieces of ribbed stiffeners arranged between edge, connect along the H profile steel web both sides inside ribbed stiffener and have a pair and H type
The connector that steel edge flushes, is respectively welded upper cover plate and lower cover in H profile steel outside lower flange.
Further, described connector is steel angle structure, bolt hole is distributed on the outer face of angle steel.
Further, described side plate is provided with the through hole corresponding with connector bolt hole.
Further, the width of described upper cover plate and lower cover is more than the width of lower flange in H profile steel.
Further, described ribbed stiffener uses three skirt solid weldings to be scheduled on the web both sides of H profile steel.
Further, described multi-cavity steel tube concrete coupled column by the web between sleeper and the sleeper at two ends with every
Plate connects and composes, and concreting is wherein.
Further, described sleeper is hot finished steel pipe.
Further, described two blocks of side plates are fixed along multi-cavity steel tube concrete coupled column both sides level, two blocks of plates
Fit along sleeper both sides, two ends.
This utility model can obtain following beneficial effect:
1) reinforced H profile steel combination beam forms node with multi-cavity steel tube concrete coupled column, constitutes Liang Heduo
Chamber concrete filled steel tube coupled column forms the form that T-shaped connects, and solves and can increase room usable floor area with attractive in appearance
Property.
2) after reinforced H profile steel combination beam is fixing with multi-cavity steel tube concrete coupled column, as whole steel pipe
The edge constraint component of concrete column, can improve its bearing capacity and energy dissipation capacity.
3) reinforced H profile steel combination beam makes in advance, more overall insertion multi-cavity steel tube concrete coupled column, carries
The bearing capacity of high component and ductility.Site operation is convenient, does not damage multi-cavity steel tube concrete coupled column, saves
Material is laborsaving.
4) owing to using multi-cavity steel tube concrete coupled column, steel pipe has stronger effect of contraction, post to concrete
Bearing capacity and ductility that body is overall are relatively good, it is achieved that the design requirement of strong column and weak beam.
5) overall structure meets the design principle of " strong column and weak beam, the weak component of strong node ", and node possesses multiple tracks
Provide fortification against earthquakes line, it is to avoid cause integral system to destroy because partial component destroys, also possess necessary strong simultaneously
Degree, good deformability and energy dissipation capacity.
Accompanying drawing explanation
Fig. 1 is this utility model tee girder column connected node structural representation;
Fig. 2 (a)-(c) is reinforced H profile steel combined beam structure schematic diagram;
Fig. 3 (a)-(h) is reinforced H profile steel combination beam and multi-cavity steel tube concrete coupled column node structure
Schematic diagram;
Fig. 4 (a)-(c) is this utility model tee girder column connected node sectional view;
Fig. 5 be (a)-(c) be 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.
Detailed description of the invention
Below in conjunction with specific embodiment, this utility model is described in further details.
As it is shown in figure 1, this utility model tee girder column connected node, including multi-cavity steel tube concrete coupled column 1,
And along the symmetrically arranged side plate in multi-cavity steel tube concrete coupled column 1 two side 2, set along one of side plate 2
Have and run through side plate 2 and be inserted therein the plate 4 of side multi-cavity steel tube concrete coupled column 1, prolong at two blocks of side plates 2
It is inserted with reinforced H profile steel combination beam 3 in the section of stretching and plate 4, constitutes tee girder column connected node.
As shown in Fig. 2 (a)-(c), reinforced H profile steel combination beam 3 of the present utility model, including H profile steel
3-1, and the two pieces of ribbed stiffener 3-3, ribbed stiffener 3-3 arranged between the section steel flange of H profile steel 3-1 end
It is welded on the web both sides of H profile steel 3-1, welds along the H profile steel 3-1 web both sides inside ribbed stiffener 3-3
There is the connector 3-5 flushed with H profile steel 3-1 edge a pair, in H profile steel 3-1 outside lower flange respectively
It is welded with upper cover plate 3-2 and lower cover 3-4.Wherein, connector 3-5 is steel angle structure, the outer face of angle steel
On bolt hole is distributed.Side plate 2 is provided with the through hole corresponding with connector 3-5 bolt hole with plate 4.
The width of upper cover plate 3-2 and lower cover 3-4 is more than the width of lower flange in H profile steel 3-1.Ribbed stiffener 3-3
Three skirt solid weldings are used to be scheduled on the web both sides of H profile steel.Multi-cavity steel tube concrete coupled column 1 is by the warm at two ends
Steel rolling tube composition sleeper and sleeper between web connect and compose with dividing plate, concreting wherein, two pieces
Side plate 2 is fixed along multi-cavity steel tube concrete coupled column 1 both sides level, and two blocks of plates 4 are along sleeper both sides, two ends
Laminating.
As shown in Fig. 3 (a)-(h), tee girder column connected node installation process of the present utility model 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 in the location dimension of the multi-cavity steel tube of multi-cavity steel tube concrete coupled column 1, many
Have the vertical slot identical with plate 4 thickness on the web of chamber steel pipe, run through multi-cavity steel tube coagulation as plate 4
The passage of the side plate 2 of local soil type's zygostyle 1;Built-in inserted plate is inserted, uses spot welding to fixedly mount temporarily;
(3) on multi-cavity steel tube, position the installation site of side plate, side plate is adopted along long side direction with multi-cavity steel tube
Connect fixing by angle welding;
Then plug welding mode is used to be welded together with side plate and multi-cavity steel tube by plate;Outside plate 4 disconnects
Being two sections, the outer section of outside plate 4 uses twin fillet wolt mode vertically to connect along front side board, outside plate 4
It is fixing that inner segment uses plug welding to be connected with sleeper and both sides side plate;
(4) good for pre-assembly reinforced H profile steel combination beam 3 is inserted between the side plate of both sides, by tightening peace
Reinforced H profile steel combination beam 3 is fixed by dress bolt with both sides side plate temporarily;Then by side plate and upper and lower cover plates
And connector welding;
(5) by filling concrete in multi-cavity steel tube, the installation of T-shaped beam-column connection is completed.
As shown in Fig. 4 (a)-(c), for this utility model tee girder column connected node sectional view.
This utility model tee girder column connected node can improve its bearing capacity and energy dissipation capacity.And site operation
Convenient, do not damage multi-cavity steel tube concrete coupled column, save material laborsaving.
Below with multi-cavity steel tube concrete coupled column girder steel U-shaped rigid joint for row explanation this utility model T
The mechanical property of ellbeam column connected node.
Utilizing ABAQUS software that node carries out finite element analysis, node post is that the multi-cavity steel tube of 200x600 mixes
Solidifying local soil type zygostyle, beam uses the welding H-bar of H350x150x6x10, and at node, dual-sided board and cover plate are thick
Degree is all same with flange of beam thick.Shown in Finite element analysis results Fig. 5 (a)-(c).
Owing to using multi-cavity steel tube concrete coupled column, steel pipe has stronger effect of contraction, shaft to concrete
Overall bearing capacity and ductility are relatively good, it is achieved that the design requirement of strong column and weak beam.Multi-cavity steel tube coagulation
The destruction order of local soil type's zygostyle girder steel U-shaped rigid joint is as shown in Fig. 5 (a)-(c) institute.Work as external force action
Time bigger, first the beam-ends A away from node bonding pad occurs shown in plastic hinge Fig. 5 (a), Internal Force Redistribution,
The bearing power increase of structure;Along with the increase of external force, there is plastic hinge Fig. 5 (b) prior to side plate in beam cover plate B
Shown in;Finally destroying as shown in Fig. 5 (c) of structure, beam-ends edge of a wing flexing, side plate upper and lower sides C large area
Surrender, but side plate does not forms plastic hinge, and structure still has certain energy dissipation capacity, meets the weak component of strong node
Design requirement.
This utility model is according to conceptual Design of Earthquake Resistance principle, and structure should possess multiple tracks and provide fortification against earthquakes line, it is to avoid because of
Partial component is destroyed and is caused integral system to destroy, also requires that structure should possess the intensity, well of necessity simultaneously
Deformability and energy dissipation capacity.This utility model tee girder column connected node uses multi-cavity steel tube concrete group
Zygostyle girder steel U-shaped rigid joint form, uses the mode of post and beam-ends isolation, by full-height side plate with
And the node connector that cover plate is constituted transmits beam-ends moment of flexure and shearing.When geological process, beam-ends is first
Plastic hinge occurs, consumes certain seismic energy and form first earthquake protection line, back shroud plasticity occurs
Hinge, dissipate seismic energy further, forms second earthquake protection line, and side plate ultimately forms plastic hinge, shape
Become the 3rd road earthquake protection line.Overall structure meets the design principle of " strong column and weak beam, the weak component of strong node ",
The energy-dissipating property of structure is relatively good.As shown in Figure 6, the hysteresis loop of node is full, does not has obvious pinch
Phenomenon, the energy dissipation capacity of node is good, and deformation is big, when coming earthquake, allows resident family have more escape time.
Above content is to combine concrete preferred implementation further detailed description of the utility model,
It cannot be assumed that detailed description of the invention of the present utility model is only limitted to this, for this utility model art
Those of ordinary skill for, without departing from the concept of the premise utility, it is also possible to make some letters
Single reasoning or replacement, all should be considered as belonging to this utility model and be determined patent by the claims submitted to
Protection domain.