CN109653357A - A kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design - Google Patents

A kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design Download PDF

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Publication number
CN109653357A
CN109653357A CN201910071487.5A CN201910071487A CN109653357A CN 109653357 A CN109653357 A CN 109653357A CN 201910071487 A CN201910071487 A CN 201910071487A CN 109653357 A CN109653357 A CN 109653357A
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China
Prior art keywords
edge
wing
buckling
flange
groove profile
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Granted
Application number
CN201910071487.5A
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Chinese (zh)
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CN109653357B (en
Inventor
姜子钦
杨晓峰
牛子尧
康轶涛
申存杰
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Beijing University of Technology
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Beijing University of Technology
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Publication of CN109653357A publication Critical patent/CN109653357A/en
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    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04HBUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
    • E04H9/00Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/024Structures with steel columns and beams
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B1/2403Connection details of the elongated load-supporting parts
    • E04B2001/2406Connection nodes
    • EFIXED CONSTRUCTIONS
    • E04BUILDING
    • E04BGENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
    • E04B1/00Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
    • E04B1/18Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
    • E04B1/24Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
    • E04B2001/2466Details of the elongated load-supporting parts

Abstract

The present invention relates to a kind of buckling-restrained assembled beam-column combined joints of the recoverable function of modularized design, belong to structural engineering field.The node is made of the round steel tubing string of flange plate, common trough girder, cantilever beam assembly, groove profile web connecting members, edge of a wing connecting cover plate, backing plate, high-strength bolt, peg and floor.The present invention is under the premise of guaranteeing assembling type steel structure modular construction, buckling-restrained theory is applied to bean column node field, pass through the setting built in the connecting cover plate of the edge of a wing with groove profile web connecting members, support force is provided for the edge of a wing connecting cover plate after compressive deformation, it control effectively to the buckling amplitude of edge of a wing cover board, it avoids steel member unstability too early, increases its stability.In addition, by cantilever beam assembly, uniform thickness, edge of a wing list cover board are not connect the present invention and plastic hinge is transferred in the connecting cover plate of the edge of a wing by the measures such as dog bone weakening with common flange of beam, connector is only needed to change after shake can be realized the functional rehabilitation of structure.

Description

A kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design
Technical field
This patent is related to a kind of buckling-restrained assembled beam-column combined joint device of recoverable function of modularized design, belongs to In technical field of structural engineering.
Background technique
Industrialization assembling type steel structure is the inexorable trend of the following high-rise steel structure house development, is that China realizes that building produces The only way of industry.In September, 2016, State Council's dispatch greatly develop assembled architecture, account for assembled architecture within 10 years or so Than up to 30%.Assembled architecture is the major transformation of mode of construction, is the weight of push structure reform and novel Urbanization Progress Behave is wanted, the intension of green building " be applicable in, be efficient, coordinating, development " is complied fully with.Assembling is built, can standardize each component, The production of factory's unified specification, live bolt lean and correct assembly avoid the consumption of the construction material due to caused by construction error, and opposite Mitigate self weight in other structures form, simplify design to reduce cost;The height of engineering texturizes, so that do mechanization operation is very Big degree substitutes hand labour, more can be reduced correlative charges.
Steel-structure beam-column node common at present plastic hinge when eaerthquake damage occurs is closer away from cylinder, easily causes node Domain column web is cut buckling, column edge of a wing local buckling and beam-ends surrender, so that main body beam column has different degrees of damage, it can not Replacement and Repair after realizing shake, also cannot achieve quick assembling, construction takes a long time, and is not suitable for assembled architecture.Meanwhile it is existing Bolt weldering when node be all that can be only achieved outside beam-ends plastic hinge by adding the beam-ends strengthening measure such as cover board, ribbed stiffener or side plate The purpose of shifting, assembly parts are various and complex procedures, and the unstable factor of construction site will lead to welding quality and be difficult to ensure.
In order to overcome the problems referred above, the invention proposes a kind of buckling-restrained assembled beams of the recoverable function of modularized design Pile assembled node device avoids main body beam column and big plastic deformation occurs;It the disassembly of connector and high-strength bolt and installs again All easily, the quick reparation after being conducive to shake;Set-up mode built in groove profile web connecting members and edge of a wing connecting plate, to be pressurized Deformed edge of a wing connecting cover plate provides support force, control effectively to the buckling amplitude of edge of a wing cover board, excites it by lateral deflection Potential bearing capacity after song avoids steel member unstability too early;Meanwhile modular combination floor made of factory process is transported to construction Scene is connect by high-strength bolt with the round steel tubing string of flange plate and forms combined joint, not many and diverse working procedure, sufficiently The advantage of steel structure modularization construction is played.
The modular assembly and function after shake that node can be realized by reasonable Arrangement using common plate in the present invention It can repair, while " buckling-restrained " theory is introduced into bean column node field, overall construction is ingenious and power transmission clear and rational, especially suitable For steel-frame structure house, while guaranteeing building safety, and its economy and assembly efficiency can be greatly improved, can be Housing industrialization, building assembling provide Technical Reference.
Summary of the invention
The present invention proposes a kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design, and purport is to solve Certainly in existing assembling type steel structure system, assembling degree is low, component failure repairs the disadvantages such as difficulty after destroying early and shake End, avoids steel from wasting, and extends node service life, increases economic efficiency, while also providing more for assembled beam-column node More ranges of choice.
To achieve the above object, the present invention uses following technological means:
A kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design, including two flange plates Round steel tubing string and 4 modular combination floors composition;The modular combination floor is by 2 common trough girders, 1 cantilever Beam assembly, edge of a wing connecting plate, 2 groove profile web connecting members, several backing plates, high-strength bolt, peg and floor group built in 4 At;The modular combination floor is completed in factory process, passes through height with the round steel tubing string of flange plate at the construction field (site) Strength bolt connection;The beam column combined joint is under the premise of guaranteeing assembling type steel structure modular construction, by thickening cantilever beam Component edge of a wing thickness realizes that beam-ends is reinforced, and achievees the purpose that plastic hinge;Composite floor flange of beam is connected using single-blade edge cover board Form is connect, is designed by Reasonable Parameters so that plastic failure occurs in splice region, and keeps substantially in bean column node rest part Elasticity, only need to replace attachment device can restore the use function of main structure after shake;The design of groove profile web connecting members utilizes Buckling-restrained theory, it is intended to after the cover board buckling of the edge of a wing by being held out against with the contact on the groove profile web connecting members edge of a wing can be the edge of a wing Cover board mentions enough support forces, control effectively to the buckling amplitude of edge of a wing cover board;The beam column node connection device is not merely with the wing Edge cover board unstability and replaceable feature, achieve the purpose that plastic hinge, it is ensured that the main members elasticity such as beam column passes through after shake Replace connector, that is, recoverable function;Limitation edge of a wing cover board bending deformation is excessive again simultaneously, it is ensured that node has necessary carrying Power makes the node have superior bearing capacity and energy dissipation capacity.
The cantilever beam assembly, by two orthogonal U-steel suspended arm beams, 1/4 short round steel tubing string and upper and lower 1/ 4 ring flanges composition, can guarantee its weld seam precision and quality in factory's welding fabrication;The edge of a wing thickness of cantilever beam assembly and common The ratio between groove profile beam section thickness is greater than 1.3, and to enhance cantilever beam assembly rigidity, outer shifting plastic hinge avoids cantilever beam device region from moulding Property damage.
Make built in the groove profile web connecting members combination edge of a wing connecting cover plate is this patent innovative point --- Introduce buckling-restrained theory;Can be after the edge of a wing of corrugation web connector contacts with the edge of a wing connecting cover plate of compressive deformation and to hold out against It provides support force, control effectively to the buckling amplitude of edge of a wing connecting cover plate, to change the buckling of edge of a wing connecting cover plate Form, the potential bearing capacity after exciting its compressive buckling;Web connection common channel steel can be used, can also concrete filled block increase it Edge of a wing rigidity, the gap between edge of a wing cover board and groove profile web connecting members is 5-20mm, and guarantee can make cover board deform and limit Its deformation is made, cover board energy consuming can be made and enhances its stability.
The peg is evenly arranged in the middle part of common trough girder, length 60-100mm, spacing 80-150mm, for reinforcing The connection of common trough girder and floor, construction site can be by pegs first with plate reinforcement welding, and then casting concrete, forms combination Beam slab.
The advantages of this patent, is mainly manifested in the following aspects:
(1) assembling degree is high.Prefabricated component used in the present invention is made of factory process, and construction site passes through high-strength spiral shell Bolt and connector are assembled by modular combination floor and the column of flange plate, not excessive component and complicated working procedure, The advantage of steel structure modularization construction is given full play to;Furthermore entire work progress is to be bolted not to be related to on-the-spot welding, Substantially increase construction precision and quality.
(2) it can be repaired after shaking.The present invention is based on Damage Coutrol theories, are differed by cantilever beam assembly and common flange of beam The weak area of the artificial control structure of measures such as thick, edge of a wing list cover board connection and the weakening of dog bone, is transferred to the edge of a wing for plastic hinge and connects In connects cover plate, the dual energy consumption of bolt frictional slip and connecting plate plastic deformation is realized, it is ensured that band cantilever beam assembly and regular troughs For type beam section without damage or slight damage, only needing after shake can be extensive after can reach shake by components such as replacement connecting plate, high-strength bolts The effect of multiple function, the life security of protection staff.
(3) critical shape for improving cover board, excites the carrying potential of node.Buckling-restrained theory is introduced into beam by the present invention Column border node field is the edge of a wing connection after compressive deformation by the setting of built-in edge of a wing connecting cover plate and groove profile web connecting members Cover board provides support force, changes the critical shape of cover board, to excite the carrying potential after its compressive buckling, avoids steel member Unstability causes the waste of material too early.
Detailed description of the invention
Fig. 1 is that a kind of assembly of the buckling-restrained assembled beam-column combined joint of recoverable function of modularized design is three-dimensional Figure;
Fig. 2 is that a kind of assembly of the buckling-restrained assembled beam-column combined joint of recoverable function of modularized design is split Figure;
Fig. 3 is a kind of front view (side of the buckling-restrained assembled beam-column combined joint of recoverable function of modularized design View);
Fig. 4 is a kind of top view of the buckling-restrained assembled beam-column combined joint of recoverable function of modularized design;
Fig. 5 is the schematic diagram of assembled beam-column the node edge of a wing connecting cover plate and backing plate;
Fig. 6 is a kind of recoverable function four composite floors of buckling-restrained assembled beam-column combined joint of modularized design Installation diagram;
Fig. 7 is that a kind of buckling-restrained assembled beam-column combined joint of recoverable function of modularized design realizes assembly connection Top view afterwards.
Specific embodiment
With reference to the accompanying drawing 1~7, the embodiment of this patent is described in detail.
As shown in Fig. 1~7, a kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design includes With lower component:
1 --- the round steel tubing string of flange plate;
2 --- trough girder;
3 --- (it is by two orthogonal U-steel suspended arm beams, 1/4 short round steel tubing string and upper and lower 1/4 for cantilever beam assembly Ring flange composition);
4 --- groove profile web connecting members;
5 --- edge of a wing connecting plate;
6 --- backing plate;
7 --- peg;
8 --- floor.
As shown in figs. 1-7, the buckling-restrained assembled beam-column combined joint of a kind of recoverable function of modularized design, including The round steel tubing string (1) and 4 modular combination floor compositions of two flange plates;The modular combination floor is by 2 slots Type beam (2), 1 cantilever beam assembly (3), the edge of a wing connecting plate (5) built in 4,2 groove profile web connecting members (4), several backing plates (6), high-strength bolt, peg (7) and floor (8) composition;The cantilever beam assembly, by two orthogonal U-steel suspended arms Beam, 1/4 short round steel tubing string and upper and lower 1/4 ring flange composition, pass through welding fabrication;The beam column combined joint is guaranteeing assembled Under the premise of steel structure modularization is constructed, realizes that beam-ends is reinforced by thickening cantilever beam assembly edge of a wing thickness, reach outside plastic hinge The purpose of shifting, the ratio between edge of a wing thickness and groove profile beam section edge of a wing thickness of cantilever beam assembly control between 1.3-2.0;Trough girder With cantilever flange of beam using single edge of a wing connecting plate type of attachment, edge of a wing connecting plate is arranged on the inside of flange of beam, since the edge of a wing connects The two side wing edge thickness that plate is connected differ, and backing plate need to be arranged between edge of a wing connecting plate and groove profile flange of beam, connect the edge of a wing Both ends keep horizontal to plate during installation;The groove profile web connecting members are used for connecting cantilever beam and groove profile web, in beam Two sides are arranged symmetrically, and the gap between upper part horizontal segment and edge of a wing connecting plate is 5-20mm;The peg is evenly arranged in In the middle part of trough girder, length 60-100mm, spacing 80-150mm, when processing by peg first with plate reinforcement welding, and after-pouring coagulation Soil forms composite beam plate.The round steel tubing string of the modular combination floor and flange plate is connected by high-strength bolt.

Claims (2)

1. a kind of buckling-restrained assembled beam-column combined joint of the recoverable function of modularized design, it is characterised in that: including two The round steel tubing string of a flange plate and 4 modular combination floors;The modular combination floor is hanged by 2 trough girders, 1 Arm beam assembly, edge of a wing connecting plate, 2 groove profile web connecting members, several backing plates, high-strength bolt, peg and floor group built in 4 At;The cantilever beam assembly, by two orthogonal U-steel suspended arm beams, 1/4 short round steel tubing string and upper and lower 1/4 ring flange Composition, by welding fabrication, 1/4 short round steel pipe pillar height degree is identical as U-steel suspended arm deck-molding, and 1/4 ring flange is located at 1/4 short round steel Between tubing string both ends, orthogonal two U-steel suspended arms beam;The beam column combined joint cantilever beam assembly edge of a wing thickness thickeies, cantilever The ratio between edge of a wing thickness and groove profile beam section edge of a wing thickness of beam assembly control between 1.3-2.0;Trough girder is adopted with cantilever flange of beam With single edge of a wing connecting plate type of attachment, edge of a wing connecting plate is arranged on the inside of flange of beam, the two sides connected by edge of a wing connecting plate Edge of a wing thickness differs, and backing plate need to be arranged between edge of a wing connecting plate and groove profile flange of beam, makes edge of a wing connecting plate both ends during installation Keep horizontal;The groove profile web connecting members are used for connecting cantilever beam and groove profile web, are arranged symmetrically in the two sides of beam, slot Gap between type web connecting members flange portions and edge of a wing connecting plate is 5-20mm;The peg is evenly arranged in trough girder Middle part connects floor, forms modular combination floor;The round steel tubing string of the modular combination floor and flange plate passes through High-strength bolt connection.
2. a kind of buckling-restrained assembled beam-column combination section of the recoverable function of modularized design according to claim 1 Point, it is characterised in that: peg length 60-100mm, the spacing 80-150mm, peg elder generation and steel bar welding when being connect with floor It connects, then casting concrete, forms modular combination floor.
CN201910071487.5A 2019-01-25 2019-01-25 Modular-design buckling restrained assembled beam-column combined node capable of restoring function Active CN109653357B (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898068A (en) * 2021-10-26 2022-01-07 西安理工大学 Assembled auto-lock steel-pipe column that excels in and combination beam node

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2654738Y (en) * 2003-08-11 2004-11-10 润弘精密工程事业股份有限公司 Lattice floorslab of building
CN103953111A (en) * 2014-03-20 2014-07-30 北京工业大学 Industrialized assembly type steel frame occluding and splicing system
CN106869325A (en) * 2017-02-17 2017-06-20 北京工业大学 A kind of assembled channel-section steel for recovering function punches beam column node connection device
CN105735472B (en) * 2016-04-17 2018-04-06 北京工业大学 A kind of assembled beam-column nodal connection device for recovering function
CN108301543A (en) * 2018-01-31 2018-07-20 江苏保力自动化科技有限公司 Integrated light girder truss composite floor and its plug-in connection

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2654738Y (en) * 2003-08-11 2004-11-10 润弘精密工程事业股份有限公司 Lattice floorslab of building
CN103953111A (en) * 2014-03-20 2014-07-30 北京工业大学 Industrialized assembly type steel frame occluding and splicing system
CN105735472B (en) * 2016-04-17 2018-04-06 北京工业大学 A kind of assembled beam-column nodal connection device for recovering function
CN106869325A (en) * 2017-02-17 2017-06-20 北京工业大学 A kind of assembled channel-section steel for recovering function punches beam column node connection device
CN108301543A (en) * 2018-01-31 2018-07-20 江苏保力自动化科技有限公司 Integrated light girder truss composite floor and its plug-in connection

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113898068A (en) * 2021-10-26 2022-01-07 西安理工大学 Assembled auto-lock steel-pipe column that excels in and combination beam node

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