CN106320517A - Upper end suspended type steel frame energy-consuming beam-column joint capable of being replaced after earthquakes - Google Patents
Upper end suspended type steel frame energy-consuming beam-column joint capable of being replaced after earthquakes Download PDFInfo
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- CN106320517A CN106320517A CN201610942632.9A CN201610942632A CN106320517A CN 106320517 A CN106320517 A CN 106320517A CN 201610942632 A CN201610942632 A CN 201610942632A CN 106320517 A CN106320517 A CN 106320517A
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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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
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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
- E04B1/38—Connections for building structures in general
- E04B1/58—Connections for building structures in general of bar-shaped building elements
- E04B1/5806—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile
- E04B1/5812—Connections for building structures in general of bar-shaped building elements with a cross-section having an open profile of substantially I - or H - form
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
-
- 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
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The invention provides an upper end suspended steel frame energy-consuming beam-column joint capable of being replaced after earthquakes. The beam-column joint comprises a suspension section I-shaped steel beam, a middle section I-shaped steel beam and anti-buckling energy-consuming connectors, wherein the anti-buckling energy-consuming connectors are fixedly connected with the suspension section I-shaped steel beam and the middle section I-shaped steel beam respectively and are symmetrically arranged on two sides of webs of the suspension section I-shaped steel beam and the middle section I-shaped steel beam respectively. An I-shaped steel column is mounted in the region of the beam-column joint, surfaces of upper flanges of the suspension section I-shaped steel beam and the middle section I-shaped steel beam are fixedly connected with a concrete plate, a light wall plate with windows is mounted on the concrete plate, and a gap is formed between the light wall plate and each of the I-shaped steel column, the suspension section I-shaped steel beam and the middle section I-shaped steel beam. The upper end suspended steel frame energy-consuming beam-column joint capable of being replaced after earthquakes has no influence on the building use function, is easy to repair after the earthquakes and can effectively reduce the cracking degree of floor slabs in the earthquakes.
Description
Technical field
The present invention relates to cushion technique field, especially relate to interchangeable upper end suspension type steel frame power consumption after a kind of shake
Bean column node.
Background technology
Energy-dissipating and shock-absorbing is to reduce major structure of construction earthquake response under earthquake at present and prevent its no collapsing with strong earthquake
One of effective means. the mode of energy-dissipating and shock-absorbing mainly has two kinds: a kind of is by setting extra energy-consumption damper dissipation seismic energy
Amount, and the position arranged typically is confined between the beam column standard width of a room in an old-style house, realizes power consumption by the relative deformation of floor gap, such as Fig. 1
Shown in A, B, C, dissipative cell is respectively metal damper 1, bracing frame 2, viscous damper 3 and buckling-restrained energy-dissipation damping
Device 4；Another kind is to form plastic hinge by structural elements (beam-ends) surrender to consume energy, and as shown in the D of Fig. 1, consumes including beam-ends plasticity
Can district 5.Both power consumptions mode is respectively present problems with: require have large bay or big door and window etc. firstly, for some
Using the building of function, this class mode arranging energy-consumption damper in the beam column standard width of a room in an old-style house will influence whether the normal use of building
Function；Secondly, all find in the northern ridge earthquake of the U.S. in 1994 and the Japanese Osaka-Kobe earthquake of nineteen ninety-five, traditional beam column edge of a wing
The rigid joint form of welding as Figure 2-3, mainly includes girder steel 6 and steel column 7, but, its beam-ends plastic hinge consumes energy
Mechanism cannot realize, and often concentrates due to beam-ends weld stress and first the low-cycle fatigue fracture of weld seam occurs.Based on this, people
Propose again by " dog bone type " node as illustrated in figures 4-5, including I-shaped steel column 7 with tradition i section steel beam 6 different
Plasticity power consumption region 8, beam-ends region is carried out locally weakening so that cross section is transferred to by beam-ends position while welding in plastic zone is cut
Weak region.Although the mode of this beam-ends plastic zone transfer is it can be avoided that beam-ends welding seam breaking, but repaiies after yet suffering from shake
Multiple problem, after big shake, after the Vierendeel girder having occurred and that beam-ends Plastic Damage must be changed by engineering staff again, former
Building can normally come into operation, and both brought difficulty to repairing after shake, and can cause again the massive losses of national economy, therefore lead to
The mode crossing agent structure component (beam-ends) development plasticity power consumption is the most uneconomic.
The release planned along with country " 13 ", specify that and to implement the application promoting steel construction at construction field, its
Middle development steel house is to improve civil buildings anti-seismic performance, the Important Action of solution steel construction production capacity surplus.But, steel is tied
Structure premises arranges the partition wall of comparatively dense, and partition wall thickness requires relatively thin to provide bigger building to use space, the position of door and window
Putting and size also needs to meet the use requirement of user, the application in steel house of the most traditional energy-consumption damper is by face
Face bigger restriction；Additionally, the internal population of steel house is the most intensive, therefore it is required that the merit that building is conveniently repaired after having shake
Can with fast quick-recovery order orthobiosis, if by tradition beam-ends plastic hinge power consumption by the way of, engineering staff be difficult to after shake into
Access customer unit carries out the overall replacement of beam and floor, the most significantly delays the cycle that original building puts back into.Finally, steel
The beam top of structure house is all integrally formed by peg and concrete floor are cast-in-place, and the natural axis that beam is under hogging moment effect
Inside web, therefore can cause the serious cracking of floor under hogging moment effect, need to be the floor near bean column node region
Local destroys and cast-in-place concrete floor just can put back into again, brings bigger for the quickly reparation of monolithic architecture after shake
Difficulty.Based on this, the present invention is interchangeable upper end suspension type steel frame energy-dissipation beam column node after proposing shake.
Summary of the invention
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after it is an object of the invention to provide shake, it is possible to the biggest
Solve impact building in degree and use function, repair after being not easy to shake, the problem that floor cracking degree in earthquake is big.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after the shake that the present invention provides, including: cantilever segment I-shaped
Shape girder steel, interlude i section steel beam and anti-buckling energy-consumption connector；
Described anti-buckling energy-consumption connector is fixed with cantilever segment i section steel beam, interlude i section steel beam respectively and is connected；
Described anti-buckling energy-consumption connector is symmetrically arranged at cantilever segment i section steel beam and interlude i section steel beam
Web both sides.
Further, described anti-buckling energy-consumption connector includes central layer, spacing steel plate, constraint steel plate and junction steel plate；
Described central layer includes the first central layer and the second central layer, and described first central layer is fixed in the abdomen of cantilever segment i section steel beam
On plate, described second central layer is fixed on interlude i section steel beam, and described first central layer and the second central layer are weldingly connected, described
Junction steel plate symmetry is fixed in the upper and lower end face of the upper and lower end face in i section steel beam top flange and cantilever segment i section steel beam top flange；
Described second central layer both sides are provided with the groove matched with spacing steel plate, and described spacing steel plate is arranged on groove,
Described constraint steel plate is fitted on the outer surface of the second central layer and spacing steel plate completely, and described spacing steel plate and constraint steel plate are affixed
On the web of interlude i section steel beam.
Further, described spacing steel plate and constraint steel plate are fixed in the web of interlude i section steel beam by bolt
On, described first central layer is fixed on the web of cantilever segment i section steel beam by bolt, and described second central layer is solid by bolt
Being connected on interlude i section steel beam, described first central layer and the second central layer are weldingly connected by butt weld, described connection steel
Plate is fixed in the upper and lower end face of the upper and lower end face in i section steel beam top flange and cantilever segment i section steel beam top flange by bolt.
Further, anti-shearing connector is also included；
Described anti-shearing connector is arranged on above anti-buckling energy-consumption connector, and respectively with cantilever segment i section steel beam,
Interlude i section steel beam is fixing to be connected.
Further, described anti-shearing connector includes web extension plate, side steel plate and steel plate；
Described web extension plate is welded on interlude i section steel beam top flange and cantilever segment i section steel beam top flange, institute
Stating side steel plate and be arranged on described web extension plate both sides, described steel plate connects interlude I-steel web and cantilever segment respectively
I-steel web；
Described steel plate includes that the first steel plate and the second steel plate, described first steel plate and the second Plate Welding are connected.
Further, described web extension plate passes through fillet weld seam at interlude i section steel beam top flange and cantilever segment
I section steel beam top flange, described side steel plate and web extension plate both sides are affixed by bolt, described first steel plate and the second steel
Plate is weldingly connected by butt weld.
Further, described anti-shearing connector includes web extension plate and the 3rd steel plate；
Described web extension plate is welded on interlude i section steel beam top flange and cantilever segment i section steel beam top flange, institute
State the 3rd steel plate and connect interlude I-steel web and cantilever segment I-steel web respectively.
Further, described web extension plate passes through fillet weld seam at interlude i section steel beam top flange and cantilever segment
I section steel beam top flange, described 3rd steel plate is fixed in interlude I-steel web by bolt and cantilever segment is I-shaped
On steel beam web plate.
Further, described web extension plate is generally aligned in the same plane with described interlude I-steel web.
Further, I-shaped steel column is also included；
Described I-shaped steel column and cantilever segment i section steel beam are for being rigidly connected.
The invention have the benefit that
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after the shake that the present invention provides, beam column energy dissipation node big
Part bolt is tightened in factory, and part weld seam welds, and job site only need to be tightened fraction bolt and execute part weld seam
Weldering, job site workload greatly reduces, and the engineering time is short, simple installation, improves the efficiency that site operation is installed.By
Beam top flange arranges web extension plate and cantilever segment and interlude webs in I-girders is carried out the make of major part disconnection
(upper end suspension), make beam center of rotation under bearing Moment by former web type heart position transfer to top flange near, make
Beam had both possessed bigger shear-carrying capacity, can reduce again floor simultaneously and participate in anti-bending bearing capacity and the contribution of rigidity, make beam-ends exist
All without considering the impact of floor under positive and negative Moment, its mechanical model and computation model are more closely, can be more precisely
Judge the surrender moment of power consumption original paper.Dissipative cell is positioned close on the web of lower flange of girder edge, the rotation of distance beam top flange
Center is farther out, it is possible to provide bigger anti-bending bearing capacity, it is possible to obtains bigger axial deformation demand at dissipative cell, makes
Dissipative cell enters surrender dissipation seismic energy earlier.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after the shake that the present invention provides, only need to be near lower flange of girder
The dissipative cell of edge position is replaced, and original I-shaped steel column, i section steel beam, web extension plate, angle steel or steel plate
Still can be continuing with, the floor near node region just can be continuing with, greatly through reparation by repairing on a small quantity or being not required to
After accelerating greatly shake repair speed and save rehabilitation cost, economic benefits are the most notable.
Accompanying drawing explanation
In order to be illustrated more clearly that the specific embodiment of the invention or technical scheme of the prior art, below will be to specifically
In embodiment or description of the prior art, the required accompanying drawing used is briefly described, it should be apparent that, in describing below
Accompanying drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not paying creative work
Put, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
Fig. 1 is the structural representation of the power consumption mode arranging dissipative cell and beam-ends surrender in the beam column standard width of a room in an old-style house；
Fig. 2 is the structural representation of the rigidity of tradition beam-ends edge of a wing welding；
Fig. 3 is that A-A based on Fig. 2 is to sectional view；
Fig. 4 is the structural representation of tradition beam-ends edge of a wing welding " dog bone type " bean column node；
Fig. 5 B-B based on Fig. 8 is to sectional view；
Fig. 6 is interchangeable upper end suspension type steel frame energy-dissipation beam column joint after the first shake that the embodiment of the present invention one provides
The structural representation of point；
When Fig. 7 is suspension type steel frame energy-dissipation beam column node assembling in interchangeable upper end after the first shake based on Fig. 6
Structural representation；
Fig. 8 is interchangeable upper end suspension type steel frame energy-dissipation beam column joint after the second shake that the embodiment of the present invention two provides
The structural representation of point；
When Fig. 9 is suspension type steel frame energy-dissipation beam column node assembling in interchangeable upper end after the second based on Fig. 8 shakes
Structural representation；
The second central layer that Figure 10 provides for the present invention and the structural representation of spacing steel plate；
The installation signal of interchangeable upper end suspension type steel frame energy-dissipation beam column node after the shake that Figure 11 provides for the present invention
Figure.
Reference:
1-metal damper；2-bracing frame；3-viscous damper；
4-buckling-restrained energy-dissipation antivibrator；5-beam-ends plasticity power consumption district；6-girder steel；
7-steel column；8-plasticity power consumption region；
The I-shaped steel column of 91-；92-cantilever segment i section steel beam；93-interlude i section steel beam；
94-top flange；The anti-shearing connecting piece of 95-；951-side steel plate；
952-web extension plate；953-steel plate；9531-the first steel plate；
9532-the second steel plate；954-the 3rd steel plate；96-anti-buckling energy-consumption connector；
961-central layer；9611-the first central layer；9612-the second central layer；
The spacing steel plate of 962-；963-retrains steel plate；97-junction steel plate.
Detailed description of the invention
Below in conjunction with accompanying drawing, technical scheme is clearly and completely described, it is clear that described enforcement
Example is a part of embodiment of the present invention rather than whole embodiments.Based on the embodiment in the present invention, ordinary skill
The every other embodiment that personnel are obtained under not making creative work premise, broadly falls into the scope of protection of the invention.
In describing the invention, it should be noted that term " " center ", " on ", D score, "left", "right", " vertically ",
Orientation or the position relationship of the instruction such as " level ", " interior ", " outward " they are based on orientation shown in the drawings or position relationship, merely to
Be easy to describe the present invention and simplifying describe rather than instruction or the hint device of indication or element must have specific orientation,
With specific azimuth configuration and operation, therefore it is not considered as limiting the invention.Additionally, term " first ", " second ",
" the 3rd " is only used for describing purpose, and it is not intended that indicate or hint relative importance.
In describing the invention, it should be noted that unless otherwise clearly defined and limited, term " is installed ", " phase
Even ", " connection " should be interpreted broadly, for example, it may be fixing connection, it is also possible to be to removably connect, or be integrally connected；Can
To be mechanical connection, it is also possible to be electrical connection；Can be to be joined directly together, it is also possible to be indirectly connected to by intermediary, Ke Yishi
The connection of two element internals.For the ordinary skill in the art, can understand that above-mentioned term is at this with concrete condition
Concrete meaning in invention.
Below by specific embodiment and combine accompanying drawing the present invention is described in further detail.
Embodiment one:
Fig. 6 is interchangeable upper end suspension type steel frame energy-dissipation beam column joint after the first shake that the embodiment of the present invention one provides
The structural representation of point；Fig. 7 is interchangeable upper end suspension type steel frame energy-dissipation beam column node dress after the first shake based on Fig. 6
The structural representation of timing；The second central layer 9612 that Figure 10 provides for the present invention and the structural representation of spacing steel plate 962, such as figure
6-7, shown in 10:
Interchangeable upper end suspension type steel frame energy-dissipation beam column node cantilever beam section part bag after the shake that the present embodiment provides
Include I-shaped steel column 91 and cantilever segment i section steel beam 92；Also include two block plate 953 (the first steel plate 9531 and the second steel plates
9532 are welded to form a block plate 953 by butt weld), (the first central layer 9611 and the second central layer 9612 lead to two pieces of central layers 961
Cross butt weld and be welded to form one piece of central layer 961) and multiple high-strength bolt.
I-shaped steel column 91 and cantilever segment i section steel beam 92 by being rigidly connected (by welding completely or bolt weldering mixing etc.
Form)；Two block plates 953 are symmetrical arranged the web both sides of cantilever segment i section steel beam 92, and by multiple high-strength bolts
It is fastenedly connected；Two pieces of central layers 961 are arranged in the web lateral symmetry of cantilever segment i section steel beam 92, and by multiple high-strength bolts
It is fastenedly connected.
In the alternative of the present embodiment, suspension type steel frame energy-dissipation beam column joint in interchangeable upper end after the shake of the present embodiment
The middle beam section part of point includes interlude i section steel beam 93, web extension plate 952, two block plate 953 (the first steel plate 9531
Be welded to form a block plate 953 with the second steel plate 9532 by butt weld), multiple high-strength bolt and two anti-buckling energy-consumptions
Connector 96；Two anti-buckling energy-consumption connectors 96 be located proximate to cantilever segment i section steel beam 92 and interlude i section steel beam
The web of 93 lower flanges, also includes that (the first central layer 9611 and the second central layer 9612 weld group by butt weld to two pieces of central layers 961
Become one piece of central layer 961), four blocks of spacing steel plates 962 and two pieces constraint steel plates 963.
Web extension plate 952 is welded on the centre position, top flange 94 of interlude i section steel beam 93, two blocks of side steel plates 951
It is symmetrically disposed at the both sides of web extension plate 952 and is fastenedly connected by high-strength bolt；Two block plates 953 are symmetrically disposed at centre
Section i section steel beam 93 web both sides are also fastenedly connected by multiple high-strength bolts.
Two anti-buckling energy-consumption connectors 96 are fastenedly connected in the web lateral symmetry placement of interlude i section steel beam 93.
Respectively it is machined with a groove identical with spacing steel plate 962 shape on two sides of central layer 961, in each groove, is provided with one
The spacing steel plate of block 962；Two pieces of central layers 961 are symmetrically disposed at interlude i section steel beam 93 web both sides and by multiple high-strength spiral shells
Bolt is fastenedly connected, and two blocks of constraint steel plates 963 are individually positioned on the outer surface of corresponding central layer 961 and two blocks of spacing steel plates 962
And be close to it, the web of 962, two blocks of constraint steel plates 963 of four blocks of spacing steel plates and interlude i section steel beam 93 is by multiple
High-strength bolt is fastenedly connected.
In the alternative of the present embodiment, suspension type steel frame energy-dissipation beam column joint in interchangeable upper end after the shake of the present embodiment
Point includes installing the cantilever segment i section steel beam 92 of associated components, installing the interlude i section steel beam of associated components
93, four pieces of junction steel plates 97 and multiple high-strength bolt.
Interlude i section steel beam 93 relies on web extension plate 952 to ride over top flange 94 phase of cantilever segment i section steel beam 92
Answering and position on position, then web extension plate 952 passes through fillet weld seam with the top flange 94 of cantilever segment i section steel beam 92；Four
Block junction steel plate 97 is symmetrically disposed at the upper and lower of the top flange 94 of cantilever segment i section steel beam 92 and interlude i section steel beam 93
Both sides are also fastenedly connected by multiple high-strength bolts.Then two piece of first steel plate 9531 and two piece of second steel plate 9532 are welded respectively
Connect composition two block plates 953, pass through butt weld；By two piece of first central layer 9611 and two piece of second central layer 9612 respectively by right
Welding seam is welded to form two pieces of central layers 961.
It should be noted that the present embodiment mention anti-buckling energy-consumption connector 96, side steel plate 951, steel plate 953, first
Central layer the 9611, second central layer 9612, spacing steel plate 962, constraint steel plate 963 and the quantity of central layer 961 are not limited to above-mentioned pointing out
Two or two pieces, it is also possible to be set to multiple or polylith, do not enumerate at this.
In conjunction with the above detailed description to the present embodiment it can be seen that under vertical load or little shake effect, web extends
952, two blocks of side steel plates of plate 951 and two block plates 953 mainly undertake the shearing of beam-ends, four pieces of junction steel plates 97 and anti-buckling energy-consumption
Connector 96 mainly undertakes beam-ends moment of flexure and keeps elasticity；Under middle shake or big shake effect, anti-buckling energy-consumption connector 96 will enter
Entering plasticity, the relative deflection stiffness of bean column node becomes soft, can reduce the geological process of structure also can earthquake energy, thus
Make I-shaped steel column 91, cantilever segment i section steel beam 92, interlude i section steel beam 93, web extension plate 952, side steel plate 951,
Steel plate 953 and junction steel plate 97 all remain elastic stage, only need to change and enter the anti-buckling energy-consumption of mecystasis even after shake
Fitting 96, it is easy to repair after shake, high financial profit.
Embodiment two:
Fig. 8 is interchangeable upper end suspension type steel frame energy-dissipation beam column joint after the second shake that the embodiment of the present invention two provides
The structural representation of point；Fig. 9 is interchangeable upper end suspension type steel frame energy-dissipation beam column node dress after the second based on Fig. 8 shake
The structural representation of timing；The second central layer 9612 that Figure 10 provides for the present invention and the structural representation of spacing steel plate 962, such as figure
Shown in 8-10:
The interchangeable frame structure that the present embodiment provides includes cantilever segment i section steel beam 92 and interlude I-steel
Beam 93, also includes that (the first central layer 9611 and the second central layer 9612 are welded to form one piece of central layer by butt weld to two pieces of central layers 961
961) and multiple high-strength bolt.
The top flange 94 of cantilever segment i section steel beam 92 highlights certain length (prominent length and the final gap length installed
Identical).I-shaped steel column 91 and cantilever segment i section steel beam 92 by being rigidly connected (by welding completely or bolt weldering mixing etc.)；
Two pieces of central layers 961 are arranged in the web lateral symmetry of cantilever segment i section steel beam 92, and are fastenedly connected by multiple high-strength bolts.
In the alternative of the present embodiment, the middle beam section part of the interchangeable frame structure of the present embodiment includes centre
Section i section steel beam 93, multiple high-strength bolt and two anti-buckling energy-consumption connectors 96；Two anti-buckling energy-consumption connectors 96
Position, at cantilever segment i section steel beam 92 and interlude i section steel beam 93, also includes two pieces of central layers 961 (the first central layer
9611 and second central layer 9612 be welded to form one piece of central layer 961 by butt weld), four blocks of spacing steel plates 962 and two pieces of constraints
Steel plate 963.
Anti-buckling energy-consumption connector 96 is placed in the web lateral symmetry of interlude i section steel beam 93 and is fastenedly connected.Core
Respectively being machined with a groove identical with spacing steel plate 962 shape on two sides of plate 961, each groove is provided with one piece of limit
Position steel plate 962；Two pieces of central layers 961 are symmetrically disposed on interlude i section steel beam 93 web both sides, and by multiple high-strength spiral shells
Bolt is fastenedly connected, and two blocks of constraint steel plates 963 are individually positioned on the outer surface of corresponding central layer 961 and two blocks of spacing steel plates 962
And be close to it, the web of 962, two blocks of constraint steel plates 963 of four blocks of spacing steel plates and interlude i section steel beam 93 connects, and passes through
Multiple high-strength bolts are fastenedly connected.
In the alternative of the present embodiment, the interchangeable frame structure of present embodiment includes installing associated components
Cantilever segment i section steel beam 92, install the interlude i section steel beam 93 of associated components, two piece of the 3rd steel plate 954,
Block web extension plate 952 and multiple high-strength bolt.
Interlude i section steel beam 93 is placed into the installation site of cantilever segment i section steel beam 92, utilizes two piece of the 3rd steel
Plate 954 is symmetrically disposed at web both sides the high-strength bolt location of cantilever segment i section steel beam 92 and interlude i section steel beam 93
It is fastenedly connected；The top flange 94 of cantilever segment i section steel beam 92 and interlude i section steel beam 93 is seam welding by butt welding
Connect, and detail sanding is smooth；Web extension plate 952 is placed on cantilever segment i section steel beam 92 and interlude i section steel beam 93
The relevant position of top flange 94, and logical with the top flange 94 of cantilever segment i section steel beam 92 and interlude i section steel beam 93 respectively
Cross fillet weld seam.Two piece of first central layer 9611 and two piece of second central layer 9612 are welded to form two pieces by butt weld respectively
Central layer 961.
It should be noted that anti-buckling energy-consumption connector the 96, the 3rd steel plate the 954, first central layer that the present embodiment is mentioned
9611, the quantity of the second central layer 9612, spacing steel plate 962, constraint steel plate 963 and central layer 961 is not limited to above-mentioned two pointed out
Or two pieces, it is also possible to it is set to multiple or polylith, does not enumerates at this.
In conjunction with the above detailed description to the present embodiment it can be seen that under vertical load or little shake effect, web extends
952, two blocks of the 3rd steel plates 954 of plate mainly undertake the shearing of beam-ends, anti-buckling energy-consumption connector 96 mainly undertake beam-ends moment of flexure and
Keep elasticity；Under middle shake or big shake effect, anti-buckling energy-consumption connector 96 will enter plasticity, relatively rotating just of bean column node
Degree becomes soft, can reduce the geological process of structure also can earthquake energy so that I-shaped steel column 91, cantilever segment is I-shaped
Girder steel 92 and interlude i section steel beam 93, web extension plate the 952, the 3rd steel plate 954 all remain elastic stage, after shake only
The anti-buckling energy-consumption element entering mecystasis need to be changed, it is easy to repair after shake, good in economic efficiency.
Embodiment three:
The installation signal of interchangeable upper end suspension type steel frame energy-dissipation beam column node after the shake that Figure 11 provides for the present invention
Figure, as shown in figure 11: I-shaped steel column 91 is arranged on beam column node area, the floor near node region is repaired or not by a small amount of
Need to through reparation just can be continuing with, after being greatly accelerated shake repair speed and save rehabilitation cost, economic benefits are the most aobvious
Writing, the surface, top flange 94 of cantilever segment i section steel beam 92 and interlude i section steel beam 93 is affixed with concrete slab 10, coagulation
The Light trabs 11 of window 12, Light trabs 11 and I-shaped steel column 91, cantilever segment i section steel beam it is provided with on soil plate 10
Gap is had, to prevent Light trabs 11 and I-shaped steel column 91 under geological process, to hang between 92 and interlude i section steel beam 93
Arm section i section steel beam 92 and interlude i section steel beam 93 collide.
Last it is noted that various embodiments above is only in order to illustrate technical scheme, it is not intended to limit；To the greatest extent
The present invention has been described in detail by pipe with reference to foregoing embodiments, it will be understood by those within the art that: it depends on
So the technical scheme described in foregoing embodiments can be modified, or the most some or all of technical characteristic is entered
Row equivalent；And these amendments or replacement, do not make the essence of appropriate technical solution depart from various embodiments of the present invention technology
The scope of scheme.
Claims (10)
1. interchangeable upper end suspension type steel frame energy-dissipation beam column node after a shake, it is characterised in that including: cantilever segment I-shaped
Shape girder steel, interlude i section steel beam and anti-buckling energy-consumption connector；
Described anti-buckling energy-consumption connector is fixed with cantilever segment i section steel beam, interlude i section steel beam respectively and is connected；
Described anti-buckling energy-consumption connector is symmetrically arranged at cantilever segment i section steel beam and the abdomen of interlude i section steel beam
Plate both sides.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 1, it is characterised in that
Described anti-buckling energy-consumption connector includes central layer, spacing steel plate, constraint steel plate and junction steel plate；
Described central layer includes the first central layer and the second central layer, and described first central layer is fixed in the web of cantilever segment i section steel beam
On, described second central layer is fixed on interlude i section steel beam, and described first central layer and the second central layer are weldingly connected, described company
Connect steel plate symmetry and be fixed in the upper and lower end face of the upper and lower end face in i section steel beam top flange and cantilever segment i section steel beam top flange；
Described second central layer both sides are provided with the groove matched with spacing steel plate, and described spacing steel plate is arranged on groove, described
Constraint steel plate is fitted on the outer surface of the second central layer and spacing steel plate completely, during described spacing steel plate and constraint steel plate are fixed in
Between section i section steel beam web on.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 2, it is characterised in that
Described spacing steel plate and constraint steel plate are fixed on the web of interlude i section steel beam by bolt, and described first central layer passes through
Bolt is fixed on the web of cantilever segment i section steel beam, and described second central layer is fixed in interlude i section steel beam by bolt
On, described first central layer and the second central layer are weldingly connected by butt weld, and described junction steel plate is fixed in I-shaped by bolt
The upper and lower end face of the upper and lower end face in shape girder steel top flange and cantilever segment i section steel beam top flange.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 1, it is characterised in that
Also include anti-shearing connector；
Described anti-shearing connector is arranged on above anti-buckling energy-consumption connector, and respectively with cantilever segment i section steel beam, centre
Section i section steel beam is fixing to be connected.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 4, it is characterised in that
Described anti-shearing connector includes web extension plate, side steel plate and steel plate；
Described web extension plate is welded on interlude i section steel beam top flange and cantilever segment i section steel beam top flange, described side
Steel plate is arranged on described web extension plate both sides, and described steel plate connects interlude I-steel web and cantilever segment I-shaped respectively
Shape steel beam web plate；
Described steel plate includes that the first steel plate and the second steel plate, described first steel plate and the second Plate Welding are connected.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 5, it is characterised in that
Described web extension plate by fillet weld seam in interlude i section steel beam top flange and cantilever segment i section steel beam top flange,
Described side steel plate and web extension plate both sides are affixed by bolt, and described first steel plate and the second steel plate are welded by butt weld
It is connected.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 4, it is characterised in that
Described anti-shearing connector includes web extension plate and the 3rd steel plate；
Described web extension plate is welded on interlude i section steel beam top flange and cantilever segment i section steel beam top flange, and described
Three steel plates connect interlude I-steel web and cantilever segment I-steel web respectively.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 7, it is characterised in that
Described web extension plate by fillet weld seam in interlude i section steel beam top flange and cantilever segment i section steel beam top flange,
Described 3rd steel plate is fixed on interlude I-steel web and cantilever segment I-steel web by bolt.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 7, it is characterised in that
Described web extension plate is generally aligned in the same plane with described interlude I-steel web.
Interchangeable upper end suspension type steel frame energy-dissipation beam column node after shake the most according to claim 1, its feature exists
In, also include I-shaped steel column；
Described I-shaped steel column and cantilever segment i section steel beam are for being rigidly connected.
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| CN110439112A (en) * | 2019-08-20 | 2019-11-12 | 华南理工大学 | It is a kind of to exempt from prestressing force toughness steel construction by what hinge column was combined with elastic reset beam |
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| WO2023197829A1 (en) * | 2022-04-14 | 2023-10-19 | 华南理工大学 | Two-stage seismic design method for replaceable energy dissipation steel frame node |
| WO2024119671A1 (en) * | 2022-12-08 | 2024-06-13 | 华南理工大学 | Anti-seismic toughness prefabricated concrete frame structure and construction method therefor |
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