CN105735472B - A kind of assembled beam-column nodal connection device for recovering function - Google Patents

A kind of assembled beam-column nodal connection device for recovering function Download PDF

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Publication number
CN105735472B
CN105735472B CN201610238022.0A CN201610238022A CN105735472B CN 105735472 B CN105735472 B CN 105735472B CN 201610238022 A CN201610238022 A CN 201610238022A CN 105735472 B CN105735472 B CN 105735472B
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China
Prior art keywords
plate
round steel
tubing string
common
steel tubing
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CN201610238022.0A
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Chinese (zh)
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CN105735472A (en
Inventor
姜子钦
张振宇
张爱林
李然
吴靓
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Beijing University of Technology
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Beijing University of Technology
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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
    • 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
    • E04B2001/2415Brackets, gussets, joining plates
    • 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
    • E04B2001/2418Details of bolting

Abstract

The present invention relates to a kind of assembled beam-column nodal connection device for recovering function, belong to structural engineering field.This can recover the assembled beam-column nodal connection device of function, by being formed with cantilever beam section round steel tubing string, common beam section and both attachment means.The nodal connection device welding portion of the present invention is completed in factory, weldquality and machining accuracy are easier to control, scene is assembled using high-strength bolt and connecting plate to band cantilever beam section round steel tubing string and common beam section, drastically increases speed of application and quality;Meanwhile common beam section can be ridden on cantilever beam section lower connecting plate, reduce difficulty of construction, it is easy to on-site consolidation positioning.The node of the present invention is strengthened for beam-ends and cover plate connection weakens and with type node, the dual power consumption that bolt frictional slip is plastically deformed with connecting plate, bolt can be not only realized by rational parameter designing, plastic hinge can be also transferred on connecting plate, only need to realize the functional rehabilitation of structure by changing connecting plate after shake.

Description

A kind of assembled beam-column nodal connection device for recovering function
Technical field
The present invention relates to a kind of assembled beam-column nodal connection device for recovering function, belongs to Structural Engineering technology neck Domain.
Background technology
Since reform and opening-up, China achieves remarkable achievement in urban construction field, at the same time, high energy consumption, High pollution, inefficient traditional extensive build model still more generally, with new urbanization, industrialization, informationization hair Exhibition requires far apart.Change the mode of production of existing building industry, Development of Green Building is to lead the new normality of economic development and reality The grand strategy of existing sustainable development.Assembling type steel structure building with standardized designs, factorial praluction, prefabricated construction, Integration finishing, is the green building in life cycle management the features such as information system management.Assembling type steel structure is widelyd popularize to build Build, it is possible to reduce building waste and building dust pollution, shorten construction duration, lifting construction quality, digestion steel superfluous production capacity, Form steel strategic reserves.
Assembling type steel structure building installation and removal process can realize full assembled, if but choose assembled beam-column Joint structure or design are unreasonable, then the failure mode of assembled beam-column node and existing bolt-connected type bean column node can big body phase Together, i.e., the overall destruction in generation area, after shake can not quick-recovery function soon, this is repaiied after causing the shake of assembling type steel structure building It is multiple and reinforce and be no different with traditional steel building, it can not realize the assembled of quick-recovery function " can soon ".If assembled beam-column Joint structure is reasonable and design theory is perfect, then it is field-replaceable unit that the destruction transfer on beam column component, which can will likely occur, Local damage destroys, and need to only utilize assembling type steel structure the advantages of being rapidly assembled and disassembled to change local damage part i.e. after shake The entirety that structure can be recovered uses function, effectively can repair ability after the shock resistance of lifting assembling type steel structure and shake.
China's Seismicity frequency is high, intensity is big, focus is shallow, distribution is wide, is the serious country of an earthquake calamity.It is existing more High-rise public building and residential housing, once seismic Damage occurs, building will be caused to terminate and used, to social economy's recovery and people People's people life will cause to have a strong impact on, while caused economic loss of being stopped doing business after the building shake of part is also possible to exceed building structure The economic value of itself.So, how to be designed by rational bean column node, both can guarantee that anti-fall collapse energy of the structure in earthquake Power, can reduce again structure shake after repairing and reinforcement financial cost and time cost, realize building structure shake after function it is quick extensive It is multiple, it is the forward position focus problem of structural seismic research.Therefore, patent of the present invention proposes a kind of assembled beam for recovering function Column border node attachment means.
The content of the invention
The present invention proposes a kind of assembled beam-column nodal connection device for recovering function, existing its object is to overcome The defects of technology, meet node items mechanical property, energy is repaired after improving rigidity, stability, bearing capacity and the shake of structural system Power, realize that joint rigidity connects, improve the assembling degree of structure, the assembled speed of lifting member, fully adapt to more high-rise dresses Requirement and feature with formula steel structure system.
Technical scheme is as follows:
A kind of assembled beam-column nodal connection device for recovering function, by band cantilever beam section round steel tubing string, common beam section And both attachment means compositions;
Band cantilever beam section round steel tubing string by upper round steel tubing string, middle round steel tubing string, lower round steel tubing string, upper, annular dividing plate, under Portion's toroidal membrane and cantilever beam section web are welded.Upper round steel tubing string, middle round steel tubing string weld with upper, annular dividing plate respectively; Lower round steel tubing string, middle round steel tubing string weld with lower annular dividing plate respectively;Cantilever beam section web respectively with upper, annular dividing plate, in Round steel tubing string and the welding of lower annular dividing plate.Wherein, upper, annular dividing plate is divided into three parts with lower annular dividing plate, is respectively Ring part, circular sliding slopes section part, edge of a wing section part.Reinforcing section of the ring part as nodes domains, circular sliding slopes section portion It is allocated as beam end haunch part, edge of a wing section part is as the coupling part with the common beam section edge of a wing.Upper round steel tubing string, middle round steel Tubing string, lower round steel tubing string are referred to as round steel tubing string.Upper, annular dividing plate, the interior ring size of lower annular dividing plate are respectively less than round steel pipe Ring size in post, outer ring size is all higher than round steel tubing string outer ring size, and toroidal membrane thickness is more than common beam section edge of a wing thickness;
Attachment means include top flange connecting plate, lower flange connecting plate, web connecting plate and high-strength bolt.Wherein, upper limb Edge connecting plate and upper, annular dividing plate, common beam section top flange;Lower flange connecting plate and lower annular dividing plate, common beam section bottom wing Edge;Connected between web connecting plate and cantilever beam section web, common beam section web by single row or multiple rows Bolt;
Attachment means are in construction and installation, first by lower flange connecting plate by the 3rd Bolt and with cantilever beam section round steel pipe Common beam section, is then placed on overhanging lower flange connecting plate by the lower annular dividing plate connection of post, then will by the 4th Bolt Lower flange connecting plate is fixed with common beam section lower flange, and last top flange connecting plate is distinguished by the 1st Bolt, the 2nd Bolt It is connected with upper, annular dividing plate, common beam section top flange, cantilever beam section web passes through the 5th Bolt and abdomen with common beam section web Plate connecting plate is attached;
Edge of a wing connecting plate in toroidal membrane part, common beam section flange portions, attachment means can be arranged as required to Dog bone weakens area;
It is hollow in round steel pipe column jecket, or casting concrete.
A kind of assembled beam-column nodal connection device for recovering function that patent of the present invention proposes is justified by band cantilever beam section Steel pipe column, common beam section and both attachment means compositions.Band cantilever beam section round steel tubing string is by upper round steel tubing string, middle round steel pipe Post, lower round steel tubing string, upper, annular dividing plate, lower annular dividing plate and cantilever beam section web are welded.Upper round steel tubing string, middle circle Steel pipe column welds with upper, annular dividing plate respectively;Lower round steel tubing string, middle round steel tubing string weld with lower annular dividing plate respectively;Cantilever Beam section web welds with upper, annular dividing plate, middle round steel tubing string and lower annular dividing plate respectively.Attachment means connect including top flange Fishplate bar, lower flange connecting plate, web connecting plate and high-strength bolt.
The advantages of this patent, is mainly manifested in the following aspects:
1st, component processing is completed in factory, and its precision and quality are easier to control.The connection of component then passes through construction Live high-strength bolt connection is realized, it is easy to accomplish quick assembling.
2nd, the installation method of bridging type reduces hoisting difficulty, accelerates construction speed, and assembling part step construction makes Common beam section is engaged with cantilever beam section after being in place, and is easy to on-site consolidation positioning.
3rd, because the edge of a wing uses the connected mode of single cover plate, cantilever beam section edge of a wing thickness can be with common beam section edge of a wing thickness not Together, by thickening cantilever beam section edge of a wing thickness, you can realize that beam-ends is strengthened, reach the purpose of beam-ends plastic hinge, without Take and add the beam-ends strengthening measure such as cover plate, ribbed stiffener and side plate, reduce difficulty of construction, avoid multiple caused by a plurality of weld seam Miscellaneous stress field.
4th, by rational parameter designing, the dual power consumption that bolt frictional slip is plastically deformed with connecting plate, bolt is realized. Due to using destruction control so that plastic failure occurs in splice region, and remainder keeps elasticity substantially.Only need to the company of replacement after shake Fishplate bar can recover the use function of agent structure, for that can repair joint form after shake, both protected the security of the lives and property while had There is good economic benefit.
5th, according to specific needs, can be connected on the edge of a wing in toroidal membrane part, common beam section flange portions, attachment means Plate can be arranged as required to dog bone and weaken area, so that node has good ductility, more preferable earthquake energy.
Brief description of the drawings
Fig. 1 is a kind of graphics for the assembled beam-column nodal connection device for recovering function;
Fig. 2 is a kind of three-dimensional broken away view for the assembled beam-column nodal connection device for recovering function;
Fig. 3 is a kind of left view for the assembled beam-column nodal connection device for recovering function;
Fig. 4 is a kind of front view for the assembled beam-column nodal connection device for recovering function;
Fig. 5 is a kind of top view for the assembled beam-column nodal connection device for recovering function;
Fig. 6 is a kind of three-dimensional scheme of installation for the assembled beam-column nodal connection device for recovering function;
Fig. 7 is a kind of three-dimensional for the assembled beam-column nodal connection device for recovering function that cantilever beam section weakens with dog bone Figure;
Fig. 8 is a kind of graphics of the assembled beam-column nodal connection device for recovering function of cover plate weakening type;
Fig. 9 is a kind of three-dimensional for the assembled beam-column nodal connection device for recovering function that middle beam section weakens with dog bone Figure.
Embodiment
Below in conjunction with the accompanying drawings 1~9, describe the embodiment of this patent in detail.
A kind of structural form for the assembled beam-column nodal connection device for recovering function is included with lower component:
1 --- upper round steel tubing string;
2 --- middle round steel tubing string;
3 --- lower round steel tubing string;
4 --- upper, annular dividing plate;
5 --- lower annular dividing plate;
6 --- cantilever beam section web;
7 --- common beam section;
8 --- top flange connecting plate;
9 --- lower flange connecting plate;
10 --- web connecting plate;
11 --- the 1st Bolt;
12 --- the 2nd Bolt;
13 --- the 3rd Bolt;
14 --- the 4th Bolt;
15 --- the 5th Bolt;
16 --- dog bone weakens area.
The specific connected mode of node of the present invention is illustrated below in conjunction with accompanying drawing.
As shown in Fig. 1,2,3,4,5, band cantilever beam section round steel tubing string is by upper round steel tubing string 1, middle round steel tubing string 2, lower round steel Tubing string 3, upper, annular dividing plate 4, lower annular dividing plate 5 and cantilever beam section web 6 are welded.Upper round steel tubing string 1, middle round steel pipe Post 2 welds with upper, annular dividing plate 4 respectively;Lower round steel tubing string 3, middle round steel tubing string 2 weld with lower annular dividing plate 5 respectively;It is outstanding Arm beam section web 6 welds with upper, annular dividing plate 4, middle round steel tubing string 2 and lower annular dividing plate 5 respectively.Wherein, upper, annular every Plate 4 can be divided into three parts, respectively ring part, circular sliding slopes section part, edge of a wing section part with lower annular dividing plate 5.Circle Reinforcing section of the loop section as nodes domains, circular sliding slopes section part as beam end haunch part, edge of a wing section part as with The splicing part on the common beam section edge of a wing.Upper round steel tubing string 1, middle round steel tubing string 2, lower round steel tubing string 3 are referred to as round steel tubing string.Top Toroidal membrane 4, the interior ring size of lower annular dividing plate 5 are respectively less than round steel tubing string inner ring size, and outer ring size is all higher than round steel pipe Post outer ring size, and toroidal membrane thickness is more than common beam section edge of a wing thickness;
As shown in Figure 1, 2, 3, attachment means include top flange connecting plate 8, lower flange connecting plate 9, web connecting plate 10 and High-strength bolt.Wherein, top flange connecting plate 8 and upper, annular dividing plate 4, the top flange of common beam section 7;Lower flange connecting plate 9 is with Portion's toroidal membrane 5, the lower flange of common beam section 7;It is logical between web connecting plate 10 and cantilever beam section web 6, the web of common beam section 7 Cross the connection of single row or multiple rows Bolt;
As shown in fig. 6, attachment means are in construction and installation, first by lower flange connecting plate 9 by the 3rd Bolt 13 with outstanding The lower annular dividing plate 5 of arm beam section round steel tubing string is connected, and then common beam section 7 is placed on overhanging lower flange connecting plate 9, then Lower flange connecting plate 9 and the common lower flange of beam section 7 are fixed by the 4th Bolt 14, last top flange connecting plate 8 passes through the 1st Bolt 11, the 2nd Bolt 12 are connected with upper, annular dividing plate 4, the top flange of common beam section 7 respectively, cantilever beam section web 6 with it is general The logical web of beam section 7 is attached by the 5th Bolt 15 and web connecting plate 10;
As shown in Fig. 1,2,3,6, round steel tubing string can manage interior hollow, or casting concrete;
As shown in Fig. 7,8,9, in the toroidal membrane of round steel tubing string cantilever beam section, the flange plate of common beam section 7, attachment means Edge of a wing connecting plate can be arranged as required to dog bone and weaken area 16, and the size that dog bone weakens area 16 designs according to actual conditions.

Claims (4)

  1. A kind of 1. assembled beam-column nodal connection device for recovering function, it is characterised in that:The beam column node connection device by With cantilever beam section round steel tubing string, common beam section and both attachment means compositions;The beam column node connection device is after one kind is shaken The nodal connection device of function can be recovered, it realizes that beam-ends is strengthened by thickening cantilever beam section edge of a wing thickness, reaches outside plastic hinge The purpose of shifting;The connection on cantilever beam section and the common beam section edge of a wing uses the connected mode of edge of a wing list cover plate, passes through Reasonable Parameters Design causes plastic failure to occur in splice region, and keeps elasticity substantially in bean column node remainder, only need to the company of replacement after shake Connection device can recover the use function of agent structure;Described band cantilever beam section round steel tubing string is by upper round steel tubing string, middle round steel Tubing string, lower round steel tubing string, upper, annular dividing plate, lower annular dividing plate and cantilever beam section web are welded, upper round steel tubing string, in Round steel tubing string welds with upper, annular dividing plate respectively;Lower round steel tubing string, middle round steel tubing string weld with lower annular dividing plate respectively;It is outstanding Arm beam section web welds with upper, annular dividing plate, middle round steel tubing string and lower annular dividing plate respectively;Wherein, upper, annular dividing plate with Lower annular dividing plate can be divided into three parts, respectively ring part, circular sliding slopes section part, edge of a wing section part;Ring part As the reinforcing section of nodes domains, circular sliding slopes section part as beam end haunch part, edge of a wing section part as with common beam Duan Yiyuan splicing part;Upper, annular dividing plate, the interior ring size of lower annular dividing plate are respectively less than round steel tubing string inner ring size, outside Ring size is all higher than round steel tubing string outer ring size, and toroidal membrane thickness is more than common beam section edge of a wing thickness;Described connection dress Put by top flange connecting plate, lower flange connecting plate, web connecting plate and high-strength bolt composition, wherein, top flange connecting plate and Upper, annular dividing plate, common beam section top flange;Lower flange connecting plate and lower annular dividing plate, common beam section lower flange;Web connects Connected between fishplate bar and cantilever beam section web, common beam section web by single row or multiple rows Bolt.
  2. 2. the assembled beam-column nodal connection device according to claim 1 for recovering function, it is characterised in that described Lower flange connecting plate is first passed through the 3rd Bolt and the bottom with cantilever beam section round steel tubing string by attachment means in construction and installation Toroidal membrane connects, and then common beam section is placed on overhanging lower flange connecting plate, then connected lower flange by the 4th Bolt Fishplate bar is fixed with common beam section lower flange, and last top flange connecting plate is connected by the 1st Bolt with upper, annular dividing plate, upper limb Edge connecting plate is connected by the 2nd Bolt with common beam section top flange again, and cantilever beam section web passes through the 5th with common beam section web Bolt and web connecting plate are attached.
  3. 3. the assembled beam-column nodal connection device according to claim 1 for recovering function, it is characterised in that:Described Edge of a wing connecting plate in toroidal membrane part, common beam section flange portions, attachment means all in accordance with needing to set dog bone to weaken area, The size that dog bone weakens area designs according to actual conditions.
  4. 4. the assembled beam-column nodal connection device according to claim 1 for recovering function, it is characterised in that:Described It is hollow in round steel pipe column jecket, or casting concrete.
CN201610238022.0A 2016-04-17 2016-04-17 A kind of assembled beam-column nodal connection device for recovering function Active CN105735472B (en)

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