CN107355002A - The unilateral connecting node of repair type beam-column and steel building after shake - Google Patents
The unilateral connecting node of repair type beam-column and steel building after shake Download PDFInfo
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- CN107355002A CN107355002A CN201710748962.9A CN201710748962A CN107355002A CN 107355002 A CN107355002 A CN 107355002A CN 201710748962 A CN201710748962 A CN 201710748962A CN 107355002 A CN107355002 A CN 107355002A
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- steel
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- bolt
- wing
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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
- E04B1/18—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
-
- 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
- E04B2001/2415—Brackets, gussets, joining plates
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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
- E04B2001/2418—Details of bolting
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Physics & Mathematics (AREA)
- Electromagnetism (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Joining Of Building Structures In Genera (AREA)
Abstract
The unilateral connecting node of repair type beam-column and steel building after being shaken the invention discloses one kind, belong to construction steel structure field.The unilateral connecting node of repair type beam-column includes girder steel and steel column after the shake, the joint of the girder steel and steel column is provided with web connecting members and edge of a wing connector, the web connecting members are connected with the web of the girder steel and the edge of a wing of the steel column simultaneously, the edge of a wing connector is connected with the lower flange of the girder steel and the edge of a wing of the steel column simultaneously, and the middle part of the edge of a wing connector is weakening area.The present invention is easy for installation, and anti-seismic performance is superior, can significantly improve the ductility and energy dissipation capacity of steel-frame structure；The place of the plastic hinge that joint rotation is formed is controllable；Girder steel and steel column are not damaged after earthquake, and fast changeable and web connecting members and edge of a wing connector are repaired on the premise of original structure (such as floor) is not destroyed.
Description
Technical field
The present invention relates to construction steel structure field, particularly relate to after a kind of shake the unilateral connecting node of repair type beam-column and
Steel building.
Background technology
The most frequently used beam-column connection is bolted and welded connection node in steel house.It is by steel beam flange and steel
The post edge of a wing is connected with full penetration weld, steel beam web plate and the shear plate high-strength friction bolt connection being welded on the steel column edge of a wing.
Although the node is widely adopted, have the following disadvantages：Site operation weld seam be present, working procedure is more, the difficult control of welding quality
System；There is serious stress concentration in weld, under earthquake load, weld seam is easy to crack.These deficiencies make the node ductility and
Energy dissipation capacity declines to a great extent, and shock resistance is bad.If moreover, bolted and welded connection node top flange and steel column under earthquake load
Attachment weld ftracture, it is necessary to the floor of near nodal is cut open with cutting tool, then top flange attachment weld is carried out
Repair welding, finally the floor cut open is poured again.
Full bolt connecting node is that the upper and lower edge of a wing of girder steel is connected with connector (T-shaped core plate) with steel column.The spy of the node
Point is that scene need not weld, and is all connected using high-strength bolt.Compared to other nodes, full bolt connecting node assembling is quick, symbol
Build jointly and build industrial requirement.But if the top flange connector of full bolt connecting node is surrendered or is broken under earthquake load, equally
Need to cut open the floor of near nodal, then unclamp the bolt of top flange connector, then change top flange connector, will finally cut open
Floor pour again.And high-strength bolt quantity needed for full bolt connecting node is more, assembly cost is higher.
It is cumbersome that exception is repaired after the shake of above-mentioned bolted and welded connection node and full bolt connecting node, and to former after violent earthquake
This fragile structure causes secondary damage.
The content of the invention
The unilateral connecting node of repair type beam-column and steel knot after being shaken the technical problem to be solved in the present invention is to provide one kind
Structure is built, and its is easy for installation, and anti-seismic performance is superior, can significantly improve the ductility and energy dissipation capacity of steel-frame structure；Joint rotation
The place of the plastic hinge formed is controllable；Girder steel and steel column do not damage after earthquake, are not destroying the premise of original structure (such as floor)
It is down fast changeable and repairs web connecting members and edge of a wing connector.
In order to solve the above technical problems, present invention offer technical scheme is as follows：
The unilateral connecting node of repair type beam-column after one kind shake, including girder steel and steel column, the girder steel and steel column connect
Web connecting members and edge of a wing connector, the web connecting members while the web with the girder steel and the steel column are provided with conjunction
Edge of a wing connection, the edge of a wing connector is connected with the lower flange of the girder steel and the edge of a wing of the steel column simultaneously, the edge of a wing
The middle part of connector is weakening area.
Further, the web connecting members are L-shaped, and the web connecting members are two and are symmetricly set on the girder steel
Web both sides.
Further, the edge of a wing connector is T-shaped core plate or L-type core plate, and the edge of a wing connector includes horizontally disposed
The first connecting plate and be connected with the end of first connecting plate and the second vertically arranged connecting plate, first connecting plate
It is connected with the lower flange of girder steel, the edge of a wing connection of second connecting plate and steel column, the weakening area is arranged at the first connecting plate
On.
Further, the first connecting plate on both sides of the middle has grooving/otch, forms the weakening area；Or described
Elongated hole is provided with the middle part of one connecting plate, forms the weakening area.
Further, horizontal stiffener is provided with the knuckle of the web connecting members, the web connecting members pass through
One group of bolt or bearing pin are connected with the web of the girder steel, and are connected by second group of bolt with the edge of a wing of the steel column, described
First group of bolt and second group of bolt are high-strength bolt, and the bolt hole being used on the web of the girder steel through first group of bolt is
Vertical slotted hole；
The junction of first connecting plate and the second connecting plate is provided with vertical ribbed stiffener, and first connecting plate passes through
3rd group of bolt is connected with the lower flange of the girder steel, the edge of a wing that second connecting plate passes through the 4th group of bolt and the steel column
Connection, the 3rd group of bolt and the 4th group of bolt are high-strength bolt.
Further, the outside of first connecting plate is provided with cover plate above the weakening area, and the cover plate leads to
The 5th group of bolt is crossed to be connected with the lower flange of the girder steel, wherein, the 5th group of bolt passes through the grooving/otch or length
Hole.
Further, in the range of first connecting plate is from steel column side to the weakening area, along from inside to outside
Direction, its area of section gradually increase, and the first connection plate thickness is 6~30mm, and width is 80~400mm, and length does not surpass
Cross 1000mm；The thickness of the cover plate is 6~34mm, and width is 80~400mm, of length no more than 1000mm.
Further, the edge of a wing of the steel column is provided with for cutting by the 6th group of web of girder steel described in bolt connection
Power plate, the bolts hole of about at least two arrangements are provided with the shear plate, the bolt hole of the arrangement up and down is horizontal direction
Slotted hole, for the shear plate between the web connecting members and edge of a wing connector, the 6th group of bolt is high-strength spiral shell
Bolt.
Further, the web both sides of the steel column are provided with vertical stiffened steel plates, between two edges of a wing of the steel column
The position of the corresponding girder steel is provided with sash steel plate.
The unilateral connecting node of repair type beam-column after a kind of steel building, including above-mentioned shake.
The invention has the advantages that：
Compared with prior art, on the one hand, the unilateral connecting node of repair type beam-column uses web after shake of the invention
Connector and lower flange connector bear the axle power and moment of flexure of girder steel end, and when using combination beam, the top flange of girder steel can be with
It is connected by shear connector with floor.Under the alternate load of earthquake, the unilateral company of repair type beam-column after shake of the invention
The damage for connecing node be will focus on the connector of the edge of a wing, and floor need not be dismantled when needing to change or repairing edge of a wing connector, because
This changes and is easier to construct when repairing, and reduces connecting node rehabilitation cost, extends the service life of structure.Power consumption is played to make
Easily observation is damaged after the shake of edge of a wing connector, the damage and selection being easy to after the shake of appraiser accurate evaluation connecting node
Rational restorative procedure.On the other hand, the present invention the middle part of edge of a wing connector set weaken area by way of, make girder steel and
Plastic hinge of the steel column under seismic (seismal occurs in the weakening area of edge of a wing connector, to realize that the position that plastic hinge occurs is controllable；And
And by reasonably designing, when on the edge of a wing, plastic hinge occurs in the weakening area of connector, girder steel and steel column also keep elasticity so that modeling
Property hinge opportunity for occurring it is controllable, it is serious to appear in stress concentration in tradition bolted and welded connection node avoiding problems plastic hinge
The top flange of girder steel, avoid that rupture failure occurs at this, it is ensured that girder steel and steel column remain elasticity in the node course of work；
Further, since the top flange of girder steel without set with the connector of steel column, therefore novel joint is used for assembling type steel structure when building,
The prefabricated panel of laminated floor slab can be conveniently set up in girder steel top flange, prefabricated panel is bonded with the top flange of girder steel.
Brief description of the drawings
Fig. 1 is the structural representation of the unilateral connecting node of repair type beam-column after shake of the invention；
Fig. 2 be Fig. 1 shown in shake after the unilateral connecting node of repair type beam-column present invention looks up structural representation；
Fig. 3 is the structural representation of the unilateral connecting node median ventral plate connector of repair type beam-column after shake of the invention；
Fig. 4 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 1 of edge of a wing connector show
It is intended to；
Fig. 5 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 2 of edge of a wing connector show
It is intended to；
Fig. 6 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 3 of edge of a wing connector show
It is intended to；
Fig. 7 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 4 of edge of a wing connector show
It is intended to；
Fig. 8 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 5 of edge of a wing connector show
It is intended to；
Fig. 9 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 6 of edge of a wing connector show
It is intended to；
Figure 10 be the present invention shake after in the unilateral connecting node of repair type beam-column the embodiment 7 of edge of a wing connector show
It is intended to；
Knots of the Figure 11 for girder steel in the unilateral connecting node of repair type beam-column after the shake of the present invention close to the end of steel column
Structure schematic diagram；
Figure 12 be the present invention shake after in the unilateral connecting node of repair type beam-column shear plate structural representation.
Embodiment
To make the technical problem to be solved in the present invention, technical scheme and advantage clearer, below in conjunction with accompanying drawing and tool
Body embodiment is described in detail.
On the one hand, the embodiment of the present invention provides the unilateral connecting node of repair type beam-column after a kind of shake, such as Fig. 1 to Figure 12
Shown, including girder steel 1 and steel column 2, the joint of girder steel 1 and steel column 2 is provided with web connecting members 5 and edge of a wing connector 3, web
Connector 5 is connected with the web 12 of girder steel 1 and the edge of a wing 21 of steel column 2 simultaneously, edge of a wing connector 3 while the lower flange with girder steel 1
13 and the edge of a wing 21 of steel column 2 connect, the middle part of edge of a wing connector 3 is weakens area 33.
The unilateral connecting node of repair type beam-column replaces top flange connector using web connecting members 5 after the shake of the present invention
Bear axle power and moment of flexure so that the top flange 11 of girder steel 1 can be connected by shear connector (such as peg 7) with floor.On ground
Shake load repeated action under, after shake of the invention the damage of the unilateral connecting node of repair type beam-column will focus on the edge of a wing company
On fitting 3, floor need not be dismantled when needing to change or repairing edge of a wing connector 3, therefore changes and is easier to construct when repairing,
Connecting node rehabilitation cost is reduced, extends the service life of structure.Damaged after playing the shake of the edge of a wing connector 3 of power consumption
Easily observation, the degree of impairment being easy to after the shake of appraiser accurate evaluation connecting node simultaneously select rational restorative procedure.It is another
Aspect, the present invention make girder steel 1 and steel column 2 in seismic (seismal by way of being set at the middle part of edge of a wing connector 3 and weakening area 33
Under plastic hinge occur in the weakening area 33 of edge of a wing connector 3, realize that the position that plastic hinge occurs is controllable；And by rational
Design, when on the edge of a wing, plastic hinge occurs in the weakening area 33 of connector 3, girder steel 1 and steel column 2 also keep elasticity so that plastic hinge goes out
Existing opportunity is controllable, and avoiding problems plastic hinge to appear in the serious girder steel 1 of stress concentration in tradition bolted and welded connection node
Top flange, avoid at this occur rupture failure, it is ensured that in the node course of work girder steel and steel column remain elasticity.This
Outside, the weakening area 33 at the middle part of edge of a wing connector 3 can reduce the moment of flexure of the side of steel column 2, reduce the wing of edge of a wing connector 3 and steel column 1
The quantity of edge connecting bolt.
Further, web connecting members 5 are preferably L-shaped, and web connecting members 5 are two and are symmetricly set on the abdomen of girder steel 1
The both sides of plate 12.Due to the web 12 of girder steel 1 and the 21 perpendicular arrangement of the edge of a wing of steel column 2, when web connecting members 5 are L-shaped not only
It is simple in construction, moreover it is possible to bear axle power and moment of flexure, while a part of shearing can also be born；Web connecting members 5 are symmetricly set on girder steel 1
Web 12 both sides when, can more uniformly bear the moment of flexure of girder steel 1 and the steel column 2 caused axle power under seismic (seismal.
In the embodiment of the present invention, edge of a wing connector 3 can have various structures, and preferably T-shaped core plate or L-type core plate, Fig. 4 is extremely
The various structures of T-shaped core plate are given in Figure 10, L-type core plate is similar.T-shaped core plate includes the horizontally disposed He of first connecting plate 31
It is connected with the end of the first connecting plate 31 and the second vertically arranged connecting plate 32, the lower flange of the first connecting plate 31 and girder steel 1
13 connections, the second connecting plate 32 are connected with the edge of a wing 21 of steel column 2, are weakened area 33 and are arranged on the first connecting plate 31.
T-shaped core plate or L-type core plate structure are simple, convenient to make and easy for installation.
Weakening area on T-shaped core plate or L-type core plate can be made by various modes, it is preferred that the first connecting plate 31
On both sides of the middle has grooving/otch 331, is formed and weakens area 33；Or the middle part of the first connecting plate 31 is provided with elongated hole 332, is formed and weakened
Area 33.Obtain weakening area grooving/otch or by way of opening elongated hole, this method is simple and convenient, easily according to design requirement meter
Calculate the weakening degree for weakening area 33 so that when plastic hinge occurs in weakening area 33, girder steel 1 and steel column 2 also keep elasticity, make plastic hinge
The opportunity of appearance is controllable.
Weaken area 33 except obtaining using said structure form, those skilled in the art can also be used it is conceivable that symbol
The other modes for closing mentioned above principle are obtained, such as the middle part steel of the first connecting plate 31 can be reduced by the way of differential annealing
Intensity with obtain weaken area.
Further, horizontal stiffener 55 is preferably provided with the knuckle of web connecting members 5, web connecting members 55 pass through
One group of bolt 51 is connected with the web 12 of girder steel 1, and is connected by second group of bolt 52 with the edge of a wing 21 of steel column 2, first group of spiral shell
Bolt 51 is preferably frictional high-strength bolts, and second group of bolt 52 is preferably high strength bolt, is used on the web 12 of girder steel 1
Bolt hole 121 through first group of bolt 51 is vertical slotted hole；
The junction of first connecting plate 31 and the second connecting plate 32 is it is also preferred that be provided with vertical ribbed stiffener 34, the first connecting plate
31 are connected by the 3rd group of bolt 35 with the lower flange 13 of girder steel 1, and the second connecting plate 32 passes through the 4th group of bolt 36 and steel column 2
The edge of a wing 21 connects, and the 3rd group of bolt 35 and the 4th group of bolt 36 are preferably also high-strength bolt.
The setting of horizontal stiffener 55 can increase the strength and stiffness of web connecting members 5, the setting of vertical ribbed stiffener 34
The bonding strength and rigidity between the first connecting plate 31 and the second connecting plate 32 can be increased.High-strength bolt can ensure node
Bonding strength, moreover it is possible to avoid the first bolt hole 53, the second bolt hole 54, the 3rd bolt hole 311 and the 4th bolt hole 321 by buckling
Shape, influence the secondary use of girder steel 1 and steel column 2.Bolt hole 121, which is designed as vertical slotted hole, can prevent connecting node large deformation
The shearing that first group of bolt 51 is subject to during rotation increases suddenly, and first group of bolt 51 of protection is not cut deformation, so as to be that web connects
Fitting 5 is also reusable after shake.Wherein, the first bolt hole 121 can be according to connecting node in vertical perforate length
Maximum plastic rotational angle determines.
In addition, destroyed to avoid the web 12 of girder steel 1 that the Corner cracks of the first bolt hole 121 occur, can be by enclosing
The form of welding steel plate 122 locally thickeies the web 12 of the girder steel 1 around the first bolt hole 121, as shown in figure 11.
Certainly, web connecting members 5 can also be connected by bearing pin with the web 12 of girder steel 1, first group of bolt 51 or bearing pin
It is primarily subjected to the shearing of horizontal direction.
Edge of a wing connector 3 and web connecting members 5 in the present invention are connected by high-strength bolt with girder steel 1 and steel column 2, removable
Unload, edge of a wing connector 3 and web connecting members 5 can be prefabricated in the factory, and can Fast Installation at the scene, avoid site operation from welding
Seam, significantly accelerating construction progress, reduces worker's dosage, meets building industrialization requirement.
Preferably, the outside of the first connecting plate 31 can be provided with cover plate 4 in the top for weakening area 33, and cover plate 4 passes through the
Five groups of bolts 42 are connected with the lower flange 13 of girder steel 1, wherein, the 5th group of bolt 42 passes through grooving/otch 331 or elongated hole 332.Lid
Plate 4, which at least covers, weakens area 33, and the 5th group of bolt 42 is preferably plain bolt；The lower flange 13 of cover plate 4 and girder steel 1 is to weakening area
33 play buckling-restrained effect, weakening area 33 is entered the yield situation of material in tension and by pressure, and avoid weakening
The rigidity in area 33 and drastically reducing for bearing capacity；Cause that node energy dissipation capacity is more excellent, ductility is good, hysteresis loop is full simultaneously；
The buckling-restrained degree of cover plate 4 can be controlled by the pretightning force for adjusting the 5th group of bolt 42.
Also, should be pre- between the first connecting plate 31 and cover plate 4, between the lower flange 13 of the first connecting plate 31 and girder steel 1
Interspace, any material can be not filled with space, or lubricant or other flexible materials can be added.
In above-described embodiment, first connecting plate 31 from the side of steel column 2 in the range of weakening area 33, along from inside to outside
Direction (direction of arrow in Fig. 3), the form that preferred cross-sections area gradually increases, this form can increase the He of the first connecting plate 31
The length of attachment weld, delays its cracking between second connecting plate 32, and increases rigidity of the node under seismic (seismal.
Here several embodiments of edge of a wing connector 3 are provided：
Example 1：
As shown in Figure 2 and Figure 4, the end of the first connecting plate 31 uses enlarged cross section form, the middle part of the first connecting plate 31
Weaken area 33 by the way of circular arc and straight line mixing cutting, the 3rd bolt hole 311 is arranged in juxtaposition, and wherein Fig. 4 (a) is T-shaped core
Plate, Fig. 4 (b) are L-type core plate.
Example 2：
As shown in figure 5, the end of the first connecting plate 31 is using not enlarged cross section form, the weakening at the middle part of the first connecting plate 31
By the way of circular arc and straight line mixing cutting, the 3rd bolt hole 311 is arranged in juxtaposition in area 33.
Example 3：
As shown in fig. 6, the end of the first connecting plate 31 is using not enlarged cross section form, the weakening at the middle part of the first connecting plate 31
By the way of straight cuts, the 3rd bolt hole 311 is arranged in juxtaposition in area 33.
Example 4：
As shown in fig. 7, the end of the first connecting plate 31 is using not enlarged cross section form, the weakening at the middle part of the first connecting plate 31
By the way of circular arc cutting, the 3rd bolt hole 311 is arranged in juxtaposition in area 33.
Example 5：
As shown in figure 8, the end of the first connecting plate 31 is using not enlarged cross section form, the weakening at the middle part of the first connecting plate 31
By the way of trapezoidal cutting, the 3rd bolt hole 311 is arranged in juxtaposition in area 33.
Example 6：
As shown in figure 9, the end of the first connecting plate 31 is using not enlarged cross section form, the weakening at the middle part of the first connecting plate 31
Area 33 uses the perforate mode of slotted hole 332, and the 3rd bolt hole 311 is arranged in juxtaposition.
Example 7：
As shown in Figure 10, the end of the first connecting plate 31 is cut using not enlarged cross section form, the middle part of the first connecting plate 31
Weak area 33 uses the perforate mode of strip hole 332, and the 3rd bolt hole 311 is arranged in juxtaposition.
In above-mentioned 7 embodiments, the thickness of edge of a wing connector 3 and cover plate 4 determines according to design requirement, provides one here
Embodiment, the thickness of the first connecting plate 31 is 6~30mm, and width is 80~400mm, of length no more than 1000mm；The thickness of cover plate 4
It is 80~400mm, of length no more than 1000mm to spend for 6~34mm, width.
Further, the edge of a wing 21 of steel column 2 is preferably provided for connecting the web 12 of girder steel 1 by the 6th group of bolt 61
Shear plate 6, as shown in figure 12, be provided with shear plate 6 about at least two arrangement bolts hole 62, the bolt hole arranged up and down
For the slotted hole of horizontal direction, for shear plate 6 between web connecting members 5 and edge of a wing connector 3, the 6th group of bolt 61 is high-strength
Bolt.Shear plate 6 is primarily subjected to node shearing, and one end of shear plate 6 can be pre-welded on the edge of a wing 21 of steel column 2, then will
The side of shear plate 6 is connected with the web 12 of girder steel 1 by the 6th group of bolt 61.Slotted hole can prevent node large deformation from rotating
When, the shearing that the 6th group of bolt 61 receives increases suddenly, and the 6th group of bolt 61 of protection is indeformable, shear plate 61 also may be used after shake
Reuse.The perforate length of the bolt hole arranged up and down in the horizontal direction can be according to the maximum plastic rotational angle of node come really
It is fixed.
In order to increase the stress performance of steel column 2, the both sides of web 22 of steel column 2 are preferably provided with vertical stiffened steel plates 23, steel
The position that girder steel 1 is corresponded between two edges of a wing 21 of post 2 is preferably provided with sash steel plate 24.Vertical stiffened steel plates 23 are set
Put and avoid steel column nodes domains and cut surrender, the setting of sash steel plate 24 can prevent the local deformation of the edge of a wing 21 of steel column 2
It is excessive.
On the other hand, the present invention provides a kind of steel building, including the unilateral connection of repair type beam-column after above-mentioned shake
Node.
The steel building of the present invention can significantly improve the ductility and energy dissipation capacity of steel building node, and anti-seismic performance is excellent
More；And the Joint design method is simple, web connecting members intensity can be calculated according to design requirement and edge of a wing connector weakens area
Weakening degree so that weaken area when there is plastic hinge, girder steel and steel column also keep elasticity, and only web connecting members need to be changed after shake
It is reusable with edge of a wing connector；And floor need not be dismantled when changing part, to the secondary damage of structure after reduction earthquake
Wound.
To sum up, the invention has the advantages that：
1. the unilateral connecting node of repair type beam-column after the shake of the present invention, its superior performance, easy to process；All components
Can be prefabricated in the factory, and can quick-assembling at the scene, avoid site operation weld seam, significantly accelerating construction progress, reduce worker
Dosage, meet building industrialization requirement.
2. the unilateral connecting node of repair type beam-column is used for assembling type steel structure building after the shake of the present invention, in girder steel
The prefabricated panel of laminated floor slab is conveniently shelved in top flange, and prefabricated panel is bonded with the top flange of girder steel.
3. the present invention is connected girder steel with steel column with edge of a wing connector by web connecting members, the end of node can be effectively born
Portion's moment of flexure.Bolt dosage can be reduced compared to traditional full pin-connected joint, reduces assembly cost, can obvious accelerating construction progress.
4. middle part grooving/otch of connector or opening elongated hole on the edge of a wing, plastic hinge is set to occur weakening area so that plastic hinge
The position of appearance is controllable；And by reasonably designing so that when plastic hinge occurs in weakening area, girder steel and steel column also keep bullet
Property so that the opportunity that plastic hinge occurs is controllable.This makes it is avoided that plastic hinge appears in the serious steel beam flange end of stress concentration
Attachment weld does not ftracture；In addition, grooving/otch or opening elongated hole in the middle part of the connector of the edge of a wing and can reduce cylinder moment of flexure, the edge of a wing is reduced
Connector and the connecting bolt quantity on the steel column edge of a wing.
5. the load on girder steel is transferred to steel column by edge of a wing connector and web connecting members, cover plate and girder steel lower flange are to the wing
Buckling-restrained effect is played in the weakening area of edge connector, makes weakening area in tension and by the equal surrender shape that can enter material of pressure
State, avoid drastically reducing for rigidity and bearing capacity；Thus Seismic Behavior of the present invention is good, and ductility is big, energy dissipation capacity
By force.
6. the present invention shake after the unilateral connecting node of repair type beam-column have shake after easily repair, the spy of fast changeable
Point.By rationally designing the girder steel after can ensureing shake and steel column still in elastic stage.Technical staff easily observes after shake
The damage status of hospital's connector, and be confirmed whether to be necessary to change edge of a wing connector；The replacing letter of edge of a wing connector
Just fast, floor need not be dismantled during replacing, not to structure secondary damage.
Described above is the preferred embodiment of the present invention, it is noted that for those skilled in the art
For, on the premise of principle of the present invention is not departed from, some improvements and modifications can also be made, these improvements and modifications
It should be regarded as protection scope of the present invention.
Claims (10)
1. the unilateral connecting node of repair type beam-column after one kind shake, including girder steel and steel column, it is characterised in that the girder steel with
The joint of steel column is provided with web connecting members and edge of a wing connector, the web connecting members simultaneously with the web of the girder steel and
The edge of a wing connection of the steel column, the edge of a wing connector are connected with the lower flange of the girder steel and the edge of a wing of the steel column simultaneously,
The middle part of the edge of a wing connector is weakening area.
2. the unilateral connecting node of repair type beam-column after shake according to claim 1, it is characterised in that the web connects
Fitting is L-shaped, and the web connecting members are two and are symmetricly set on the both sides of the web of the girder steel.
3. the unilateral connecting node of repair type beam-column after shake according to claim 1, it is characterised in that the edge of a wing connects
Fitting is T-shaped core plate or L-type core plate, and the edge of a wing connector includes horizontally disposed first connecting plate and is connected with described first
The end connection of plate and the second vertically arranged connecting plate, the lower flange connection of first connecting plate and girder steel, described second
The edge of a wing of connecting plate and steel column is connected, and the weakening area is arranged on the first connecting plate.
4. the unilateral connecting node of repair type beam-column after shake according to claim 3, it is characterised in that described first connects
Fishplate bar on both sides of the middle has grooving/otch, forms the weakening area；Or elongated hole is provided with the middle part of first connecting plate, form institute
State and weaken area.
5. the unilateral connecting node of repair type beam-column after shake according to claim 3, it is characterised in that the web connects
Horizontal stiffener is provided with the knuckle of fitting, the web connecting members pass through first group of bolt or the abdomen of bearing pin and the girder steel
Plate connects, and is connected by second group of bolt with the edge of a wing of the steel column, and first group of bolt and second group of bolt are high-strength
Bolt, the bolt hole being used on the web of the girder steel through first group of bolt is vertical slotted hole；
The junction of first connecting plate and the second connecting plate is provided with vertical ribbed stiffener, and first connecting plate passes through the 3rd
Group bolt is connected with the lower flange of the girder steel, and second connecting plate is connected by the edge of a wing of the 4th group of bolt and the steel column
Connect, the 3rd group of bolt and the 4th group of bolt are high-strength bolt.
6. the unilateral connecting node of repair type beam-column after shake according to claim 4, it is characterised in that described first connects
The outside of fishplate bar is provided with cover plate above the weakening area, and the cover plate passes through the 5th group of bolt and the bottom wing of the girder steel
Edge connects, and the 5th group of bolt passes through the grooving/otch or elongated hole.
7. the unilateral connecting node of repair type beam-column after shake according to claim 6, it is characterised in that described first connects
In the range of fishplate bar is from steel column side to the weakening area, along direction from inside to outside, its area of section gradually increases, described
First connection plate thickness is 6~30mm, and width is 80~400mm, of length no more than 1000mm；The thickness of the cover plate be 6~
34mm, width are 80~400mm, of length no more than 1000mm.
8. according to the unilateral connecting node of repair type beam-column after any described shake in claim 1-7, it is characterised in that institute
The edge of a wing for stating steel column is provided with for the shear plate by the 6th group of web of girder steel described in bolt connection, is opened on the shear plate
Have about at least two arrangement bolts hole, it is described up and down arrangement bolt hole be horizontal direction slotted hole, the shear plate
Between the web connecting members and edge of a wing connector, the 6th group of bolt is high-strength bolt.
9. the unilateral connecting node of repair type beam-column after shake according to claim 8, it is characterised in that the steel column
Web both sides are provided with vertical stiffened steel plates, and the position that the girder steel is corresponded between two edges of a wing of the steel column is provided with level
Stiffened steel plates.
10. a kind of steel building, it is characterised in that including repair type beam-column after any described shakes of claim 1-9
Unilateral connecting node.
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| CN201710748962.9A CN107355002B (en) | 2017-08-28 | 2017-08-28 | Steel beam column unilateral connection node capable of being repaired after earthquake and steel structure building |
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| CN201710748962.9A CN107355002B (en) | 2017-08-28 | 2017-08-28 | Steel beam column unilateral connection node capable of being repaired after earthquake and steel structure building |
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| CN107355002B CN107355002B (en) | 2023-09-19 |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930693A (en) * | 2019-04-10 | 2019-06-25 | 扬州大学 | A kind of reinforced steel frame node in web plate setting X-type ribbed stiffener |
| CN109930699A (en) * | 2019-03-07 | 2019-06-25 | 深圳市建筑设计研究总院有限公司 | The connection structure of girder steel and beams of concrete |
| CN110306662A (en) * | 2019-06-17 | 2019-10-08 | 同济大学 | A kind of low damage web friction energy-dissipating bean column node of Self-resetting |
| CN110805135A (en) * | 2019-11-26 | 2020-02-18 | 河南城建学院 | Assembled steel construction beam column node |
| CN110984381A (en) * | 2019-12-25 | 2020-04-10 | 武汉科技大学 | Node for connecting steel structure frame beam column |
| CN112282094A (en) * | 2020-10-22 | 2021-01-29 | 东南大学 | Steel structure node capable of dissipating energy by stages and replacing energy dissipation elements |
| CN114215410A (en) * | 2021-12-07 | 2022-03-22 | 北京工业大学 | Bearing-self-resetting-energy dissipation unilateral sliding assembly type steel frame beam column joint |
| CN116201264A (en) * | 2023-03-21 | 2023-06-02 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure capable of repairing Liang Zhushuang nodes |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030208985A1 (en) * | 1995-04-11 | 2003-11-13 | Allen Clayton J. | Steel frame stress reduction connection |
| CN106522382A (en) * | 2016-11-10 | 2017-03-22 | 西安建筑科技大学 | Fabricated concrete-filled steel tube column-H type steel beam self-resetting energy consumption connection joint |
| CN207160233U (en) * | 2017-08-28 | 2018-03-30 | 山东大学 | The unilateral connecting node of repair type beam-column and steel building after shake |
-
2017
- 2017-08-28 CN CN201710748962.9A patent/CN107355002B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20030208985A1 (en) * | 1995-04-11 | 2003-11-13 | Allen Clayton J. | Steel frame stress reduction connection |
| CN106522382A (en) * | 2016-11-10 | 2017-03-22 | 西安建筑科技大学 | Fabricated concrete-filled steel tube column-H type steel beam self-resetting energy consumption connection joint |
| CN207160233U (en) * | 2017-08-28 | 2018-03-30 | 山东大学 | The unilateral connecting node of repair type beam-column and steel building after shake |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109930699A (en) * | 2019-03-07 | 2019-06-25 | 深圳市建筑设计研究总院有限公司 | The connection structure of girder steel and beams of concrete |
| CN109930693A (en) * | 2019-04-10 | 2019-06-25 | 扬州大学 | A kind of reinforced steel frame node in web plate setting X-type ribbed stiffener |
| CN110306662A (en) * | 2019-06-17 | 2019-10-08 | 同济大学 | A kind of low damage web friction energy-dissipating bean column node of Self-resetting |
| CN110805135A (en) * | 2019-11-26 | 2020-02-18 | 河南城建学院 | Assembled steel construction beam column node |
| CN110984381A (en) * | 2019-12-25 | 2020-04-10 | 武汉科技大学 | Node for connecting steel structure frame beam column |
| CN112282094A (en) * | 2020-10-22 | 2021-01-29 | 东南大学 | Steel structure node capable of dissipating energy by stages and replacing energy dissipation elements |
| CN114215410A (en) * | 2021-12-07 | 2022-03-22 | 北京工业大学 | Bearing-self-resetting-energy dissipation unilateral sliding assembly type steel frame beam column joint |
| CN116201264A (en) * | 2023-03-21 | 2023-06-02 | 北京工业大学 | Assembled special-shaped column steel frame-shear wall structure capable of repairing Liang Zhushuang nodes |
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