A kind of support plug-in type beam column supporting bilateral plate node
Technical field
This utility model relates to a kind of support plug-in type beam column supporting bilateral plate node, is mainly used in building structure
The concrete filled steel tube coupled column of multilayer structure.
Background technology
Along with economic globalization, the raising of the level of urbanization, urban population closeness is gradually increased so that a large amount of high levels are not
Break and emerge in large numbers.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, and i.e. steel pipe is to coagulation
The effect of contraction of soil makes concrete be in complex stress condition, so that the intensity of concrete is improved, plasticity and toughness are big
For improving.Meanwhile, after steel duct fill concrete, due to the supporting role of concrete, can avoid or delay steel pipe walls
Flexing.The combination of bi-material compensate for respective shortcoming so that material property gives full play to.
Along with development and the growth in the living standard of society, people are to the usable floor area of house and cosmetic requirements increasingly
High.Traditional circle or Concrete Filled Square Steel Tubes post, be generally not capable of being surrounded by body of wall completely, and suspension column is the most prominent
House interior, takies certain interior space so that furnishings and room are arranged by a definite limitation.Use square-section steel
Pipe concrete 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, and the constraint of core concrete is only limitted to by steel pipe
Angle point, more weak at 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 to improve its bearing capacity and energy dissipation capacity, and horizontally set is put more energy into box construct, shaft is divided into some chambers, makes
The effect of contraction of concrete is strengthened by steel plate, reduces the flakiness ratio of steel plate simultaneously, prevents or delay 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 coupled column constructing simple, cheap
Support plug-in type beam column supporting bilateral plate node, solve conventional post indoor and highlight the problem of corner angle, improve Multicarity steel pipe and mix
The bearing capacity of solidifying local soil type zygostyle and ductility.Delay or avoid the stiffness of structural member bearing capacity that causes due to steel pipe wallboard cripling and
The reduction of ductility, gives full play to the performance of material.Overall structure meets the design principle of " strong column and weak beam, the weak component of strong node ",
Node possesses multiple tracks and provides fortification against earthquakes line, possesses intensity, good deformability and the energy dissipation capacity of necessity.
To achieve these goals, this utility model have employed following technical scheme:
A kind of support plug-in type beam column supporting bilateral plate node, including multi-cavity steel tube concrete coupled column, and by two pieces
Side plate is horizontally fixed on the reinforced H profile steel combination beam of multi-cavity steel tube concrete coupled column side, between described two blocks of side plates,
The plug-in type combined support having inclined angular distribution inserted above of reinforced H profile steel combination beam, constitutes and supports plug-in type beam
Post supporting bilateral plate node.
Further, described reinforced H profile steel combination beam includes H profile steel, and arranges between the section steel flange of H profile steel end
Two pieces of ribbed stiffeners, along inside ribbed stiffener H profile steel web both sides connect have the connector flushed with H profile steel edge a pair,
H profile steel is respectively welded outside lower flange upper cover plate and lower cover.
Further, described connector is steel angle structure, bolt hole is distributed on the outer face of angle steel.
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 side plate is the rectangular slab being provided with hypotenuse, the rectangle of two pieces of clamping multi-cavity steel tube concrete coupled columns
Plate extends multi-cavity steel tube concrete coupled column edge, and hypotenuse is located at the top of extension.
Further, described side plate is provided with the through hole corresponding with connector bolt hole.
Further, described plug-in type combined support includes supporting square tube, and is located at upper and lower both sides, supporting square tube end
Support upper cover plate and support lower cover, support upper cover plate and support the width width more than supporting square tube of lower cover.
Further, between described plug-in type combined support and reinforced H profile steel combination beam, angle is 30 °-60 °.
This utility model can obtain following beneficial effect:
1) reinforced H profile steel combination beam is same with plug-in type combined support and multi-cavity steel tube concrete coupled column wide, it is to avoid room
Inner prop highlights corner angle, it is possible to increase room usable floor area and aesthetic property.
2) after reinforced H profile steel combination beam is fixing with plug-in type combined support and multi-cavity steel tube concrete coupled column, as
The edge constraint component of whole steel core concrete column, can improve its bearing capacity and energy dissipation capacity.
3) reinforced H profile steel combination beam and plug-in type combined support make in advance, more overall insertion multi-cavity steel tube concrete
Coupled column, improves bearing capacity and the ductility of component.Site operation is convenient, does not damage multi-cavity steel tube concrete coupled column, saves material
Laborsaving.
4) owing to using multi-cavity steel tube concrete coupled column, steel pipe has stronger effect of contraction to concrete, and shaft is overall
Bearing capacity and ductility 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 and provides fortification against earthquakes
Line, it is to avoid cause integral system to destroy because partial component destroys, also possess simultaneously necessary intensity, good deformability and
Energy dissipation capacity.
Accompanying drawing explanation
Fig. 1 is that this utility model supports plug-in type beam column supporting bilateral plate node structural representation;
Fig. 2 (a)-(c) is reinforced H profile steel combined beam structure schematic diagram;
Fig. 3 (a)-(b) is to add side plate multi-cavity steel tube concrete composite column structure schematic diagram;
Fig. 4 (a)-(b) is plug-in type support combinations structural representation;
Fig. 5 (a)-(d) is that reinforced H profile steel combination beam supports and multi-cavity steel tube concrete coupled column node structure with inserting
Schematic diagram;
Fig. 6 is that this utility model applies the multi-cavity steel tube concrete coupled column support frame system supporting horizontal sliding assembling to show
It is intended to;
Fig. 7 (a)-(c) is beam yield failure process schematic;
Fig. 8 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;4-1, supporting square tube;4-2,
Support upper cover plate;4-3, support lower cover.
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 supports plug-in type beam column supporting bilateral plate node, including multi-cavity steel tube concrete group
Zygostyle 1, and the reinforced H profile steel combination beam 3 of multi-cavity steel tube concrete coupled column 1 side it is horizontally fixed on by two blocks of side plates 2,
Between described two blocks of side plates 7, the plug-in type having inclined angular distribution inserted above of reinforced H profile steel combination beam 3 combines
Supporting 4, multi-cavity steel tube concrete coupled column 1 inserts with width, composition with reinforced H profile steel combination beam 3 and plug-in type combined support 4
Formula beam column supporting bilateral plate 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 at H
The two pieces of ribbed stiffener 3-3, ribbed stiffener 3-3 that arrange between the section steel flange of shaped steel 3-1 end use three skirt to be welded on H profile steel 3-
The web both sides of 1, are welded with a pair and flush with H profile steel 3-1 edge along the H profile steel 3-1 web both sides inside ribbed stiffener 3-3
Connector 3-5, is respectively welded upper cover plate 3-2 and lower cover 3-4 in H profile steel 3-1 outside lower flange.Wherein, connector 3-5
For steel angle structure, on the outer face of angle steel, bolt hole is distributed.The width of described upper cover plate 3-2 and lower cover 3-4 is more than H profile steel
The width of the upper lower flange of 3-1.
As shown in Fig. 3 (a)-(b), multi-cavity steel tube concrete coupled column both sides are fixed with side plate 2, and side plate 2 is provided with and connects
The through hole that fitting 3-5 bolt hole is corresponding.It is easy to be connected fixing with reinforced H profile steel combination beam 3.Side plate 2 is for be provided with hypotenuse
Rectangular slab, the rectangular slab of two pieces of clamping multi-cavity steel tube concrete coupled columns 1 extends multi-cavity steel tube concrete coupled column edge, tiltedly
While be located at the top of extension.
As shown in Fig. 4 (a)-(b), plug-in type combined support 4 of the present utility model, including supporting square tube 4-1, and it is located at
The support upper cover plate 4-2 of upper and lower both sides, supporting square tube 4-1 end and support lower cover 4-3, under supporting upper cover plate 4-2 and supporting
The width of the cover plate 4-3 width more than supporting square tube 4-1.
As shown in Fig. 5 (a)-(d), the installation process of support plug-in type beam column supporting bilateral plate node of the present utility model is such as
Under:
1) first side plate 2 is positioned in the both sides of multi-cavity steel tube concrete coupled column 1, then use three skirt leg weld seam sides
Side plate is welded together by formula with multi-cavity steel tube;
2) reinforced H profile steel combination beam 3 good for pre-assembly is inserted between the side plate of both sides, will by tightening installation bolt
Reinforced H profile steel combination beam 3 is fixed with biside plate temporarily, is then welded with upper and lower cover plates and connector by side plate;
3) the plug-in type combined support 4 made in advance is inserted between biside plate according to the angle set, use fillet welding
A upper cover plate 4-2 is connected with both sides side plate by seam mode with supporting lower cover 4-3, completes to support plug-in type beam column supporting bilateral plate
The installation of node.
As shown in Figure 6, region shown in circle is that this utility model is applied at the multi-cavity steel tube coagulation supporting plug-in type assembling
Local soil type's zygostyle support frame system schematic diagram.On the list support this frame system, cant beam supports with horizontal beam.
This utility model supports plug-in type beam column supporting bilateral plate node can improve its bearing capacity and energy dissipation capacity.And it is existing
Field easy construction, does not damage multi-cavity steel tube concrete coupled column, saves material laborsaving.
Support plug-in type beam column with multi-cavity steel tube concrete coupled column girder steel U-shaped rigid joint for row explanation below to support
The mechanical property of dual-sided board node.
Utilizing ABAQUS software that node carries out finite element analysis, node post is the multi-cavity steel tube concrete group of 200x600
Zygostyle, beam uses the welding H-bar of H350x150x6x10, and at node, dual-sided board and cover sheet thickness are all same with flange of beam thick.
Shown in Finite element analysis results Fig. 7 (a)-(c).
Owing to using multi-cavity steel tube concrete coupled column, steel pipe has stronger effect of contraction to concrete, shaft entirety
Bearing capacity and ductility are relatively good, it is achieved that the design requirement of strong column and weak beam.Multi-cavity steel tube concrete coupled column girder steel U-shaped
The destruction order of rigid joint is as shown in Fig. 7 (a)-(c) institute.When external force action is bigger, away from node bonding pad beam-ends A first
Occur shown in plastic hinge Fig. 7 (a), Internal Force Redistribution, the bearing power increase of structure;Along with the increase of external force, beam cover plate B prior to
Side plate occurs shown in plastic hinge Fig. 7 (b);Finally destroying as shown in Fig. 7 (c) of structure, beam-ends edge of a wing flexing, side plate upper and lower sides C
Large area is surrendered, but side plate does not forms plastic hinge, and structure still has certain energy dissipation capacity, meets the design of the weak component of strong node
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 part structure
Part destroys and causes integral system to destroy, and also requires that structure should possess intensity, good deformability and the power consumption of necessity simultaneously
Ability.This utility model supports plug-in type beam column supporting bilateral plate node and uses multi-cavity steel tube concrete coupled column girder steel U-shaped
Rigid joint form, uses the mode of post and beam-ends isolation, and the node connector consisted of full-height side plate and cover plate comes
Transmission beam-ends moment of flexure and shearing.When geological process, first beam-ends there is plastic hinge, consumes certain seismic energy and forms the
One earthquake protection line, back shroud plastic hinge occurs, dissipate seismic energy further, formed second earthquake protection line, side
Plate ultimately forms plastic hinge, forms the 3rd road earthquake protection line.Overall structure meets setting of " strong column and weak beam, the weak component of strong node "
Meter principle, the energy-dissipating property of structure is relatively good.As shown in Figure 8, the hysteresis loop of node is full, does not has obvious Draw shrinkage,
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 is impossible to
Assert that detailed description of the invention of the present utility model is only limitted to this, for this utility model person of an ordinary skill in the technical field
For, without departing from the concept of the premise utility, it is also possible to make some simple reasonings or replacement, all should be considered as
Belong to this utility model and determined scope of patent protection by the claims submitted to.