CN110306657A - Assembling type steel structure beam-column connection and construction method - Google Patents
Assembling type steel structure beam-column connection and construction method Download PDFInfo
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- CN110306657A CN110306657A CN201910437873.1A CN201910437873A CN110306657A CN 110306657 A CN110306657 A CN 110306657A CN 201910437873 A CN201910437873 A CN 201910437873A CN 110306657 A CN110306657 A CN 110306657A
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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
-
- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04G—SCAFFOLDING; FORMS; SHUTTERING; BUILDING IMPLEMENTS OR AIDS, OR THEIR USE; HANDLING BUILDING MATERIALS ON THE SITE; REPAIRING, BREAKING-UP OR OTHER WORK ON EXISTING BUILDINGS
- E04G21/00—Preparing, conveying, or working-up building materials or building elements in situ; Other devices or measures for constructional work
- E04G21/14—Conveying or assembling building elements
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/024—Structures with steel columns and beams
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Abstract
The invention discloses a kind of assembling type steel structure beam-column connection and its construction methods, provide a kind of novel node structure.It includes girder steel and steel column, bracket, and bracket is made of support portion and mounting portion, wherein and between girder steel and bracket mounting portion by comb structure carry out plug connection, the plug connection along on girder steel length direction have extendable room；Emulsified asphalt is perfused in the gap of the plug connection, and is coated with carbon fiber mesh fabric in periphery.In the present invention, the connected structure of comb teeth-shaped, in state is fixedly connected with, forms a kind of metastable stationary state under non-earthquake.When macroseism occurs, opposite movement, sliding and movement can occur for plugging position, form energy consumption effect in plugging position, that is to say, that, the connecting node of the connected structure also has the function of certain counteracting, earthquake energy, so that steel building more antidetonation itself.
Description
Technical field
The invention is related to steel building installation and technical field of construction, especially a kind of connecting node at beam column position.
Background technique
Assembling type steel structure building is increasingly paid attention to.In steel construction, the connection of girder steel and steel column be it is most common,
And require a highest position of joints.
The interconnection technique of current girder steel and steel column mainly includes three kinds, the first is all-weld joint, that is, by girder steel
The edge of a wing and web are welded to connect with steel column in a welding manner, in general, this all-welded structure needs site welding operation,
And strengthened in the tie point of girder steel and steel column using ribs.This all-welded connection type, at low cost excellent
Gesture, but overhead welding operating risk and cost are relatively high, so, this kind of all-weld joints be limited in substantially single layer or
In double-deck steel-structure factory building building.
Second is to be bolted entirely, that is, by the bracket between the edge of a wing and web and steel column of girder steel or on steel column it
Between be attached using connecting plate, adapter, in general, it is this entirely be bolted may be implemented entirely assemble construction, have it is higher
Construction efficiency, avoids construction site weld job, and this structure is also current high-rise or super high-rise building preferred embodiment party
Formula.
The third is to weld+be bolted, that is, i.e. there are welding position between girder steel and steel column, there is that there are bolt companies
Socket part position, this structure have the advantages that above two connection type, certainly, the shortcomings that also inheriting above-mentioned connection type.
In building requirements, beam, column tie point are required to meet following performance requirement:
1, good rigidity, this requirement are the requirements based on connection, and in use, bean column node must keep foot
Enough rigidity, to maintain the stability of use state, that is, guarantee that harmful noise does not occur during application, shake, deformation.
2, good anti-seismic performance, this requirement are the requirements based on Aseismic Design, that is, when an earthquake occurs, the connection
Node should not occur embrittlement, fracture etc. and disconnect suddenly, should have enough plastic deformation time and period.
3, good assembly performance avoids the weld job of construction site as far as possible.
Three of the above node connection type is most common three kinds, is based on above-mentioned technology, has more preferable antidetonation, switching performance
Bean column node technology can refer to following documents:
For example, disclosing a kind of girder steel hinged joint in 108252411 A of CN, which passes through by fixation kit and admittedly
Determine bracket to be fixed on steel column, the first plate body and the second plate body are symmetricly set on two of the web close to first edge of a wing of girder steel
The web of girder steel is fixed between the first plate body and the second plate body by side so that girder steel can not achieve around with first edge of a wing,
Second edge of a wing and the parallel direction of web are that axis is rotated；Since second edge of a wing of girder steel is fixed on top plate, first
The aperture of through-hole, third through-hole and the second through-hole is all larger than the bar diameter of the screw rod of first bolt, so that girder steel is by outer
When the power on boundary, girder steel can be realized around parallel with first edge of a wing and second edge of a wing, vertical with web to fix bracket as supporting point
Straight direction is that axis is rotated.This structure belongs to a kind of complete bolted improvement, and formation is a kind of with certain
The structure of activity space.It can satisfy the performance requirement of connection and antidetonation.But drawback be also it is obvious, structure is complicated,
Installation process is more complicated.
A kind of plug-in type beam support node is disclosed in 105839790 B of CN, it is characterised in that: combine including H profile steel
Beam and side plate between both side plate, are equipped with stiffener, between the side plate of stiffener two sides on the end face of H profile steel combination beam top flange
It is symmetrically arranged with the default supporting square tube for reinforcing side plate, constitutes plug-in type beam support node；Plug-in type beam support node is propping up
It is applied in the multi-cavity steel tube concrete coupled column braced frame system of support plug-in type assembly.The drawbacks of this interconnection technique, is to connect
It is not high to connect intensity, is easy to happen and falls off.
So being the important directions in long strands, this hair for the research of the node interconnection technique of steel column and girder steel
Bright technology is exactly to propose a kind of new structural connecting node, has more excellent bonding strength, shock strength, meets steel
The requirement of structural overlap.
Summary of the invention
In order to solve the deficiencies in the prior art, the present invention provides a kind of steel structure girder column connected node and construction method, should
Connecting node and technology can satisfy bean column node connection request, it is desirable that have better switching performance and good antidetonation
Performance.
The technical solution adopted by the present invention to solve the technical problems are as follows:
Assembling type steel structure beam-column connection, including girder steel and steel column, wherein girder steel both ends pass through bracket and the steel
Column is fixedly connected, it is characterised in that:
The bracket is made of support portion and mounting portion, wherein the support portion is by riser and supporting plate perpendicular to one another
Composition, the riser are fixed on column；The comb structure that multiple partitions I form, which is fixed on supporting plate, forms mounting portion；
The comb structure that the interconnecting piece of girder steel end is made of multiple partitions II, and the interconnecting piece and the mounting portion
Carry out plug connection, the plug connection along on girder steel length direction have extendable room；It is filled in the gap of the plug connection
Emulsified asphalt is infused, and is coated with carbon fiber mesh fabric in periphery.
The surface of the partition I, II is coarse either bumps.
Reinforcing connection is carried out by lateral connecting plate and vertical auxiliary floor between partition II and girder steel.
In partition II, I overlapping part of partition is provided with strip hole, is provided with pin hole on the partition I, and in strip
Steel pin is inserted into hole and pin hole.
The construction method of assembling type steel structure beam-column connection:
Step 1, factory's production, processes to form interconnecting piece at the both ends of girder steel, makes bracket and is fixed on column, steel
Beam and steel column carry out preservative treatment；
Step 2, transport to building site, lifts and the interconnecting piece at girder steel both ends is simultaneously inserted into bracket by fixed steel column, lifting
Mounting portion so that partition partition I, II forms plug connection, and guarantees pin hole and strip hole to it, after grafting in place, by grafting
Heat, flowing emulsified asphalt is injected in portion, will be inserted into steel pin in pin hole after filling；
Step 3 is wrapped up using carbon fiber mesh fabric, is wound in plugging position；
Step 4, maintenance, until binder hardens.
In step 3, the winding of the carbon fiber mesh fabric is constructed are as follows: carries out carbon fiber mesh fabric in plugging position
Winding, one layer of every winding bond one layer using adhesive special, and by winding multilayer, multiple coated with adhesive forms local packet
Cover effect.
The beneficial effects of the present invention are:
It is plug connection between girder steel and bracket, quick assembled type construction may be implemented in the mode of plug connection, and is inserting
Socket part be it is mating each other by the partition of comb teeth-shaped, comparatively, the plug division be with more stronger than girder steel position
Rigidity, the design requirement of compound strong node, weak component.
The connected structure of comb teeth-shaped, in state is fixedly connected with, forms a kind of metastable fixing shape under non-earthquake
State.When macroseism occurs, opposite movement, sliding and movement can occur for plugging position, form energy consumption effect in plugging position,
That is the connecting node of the connected structure also has the function of certain counteracting, earthquake energy, so that steel building
More antidetonation itself.
Detailed description of the invention
Fig. 1 is the perspective view of one interior joint of embodiment after the installation is completed.
Fig. 2 is bean column node inserting state figure.
Fig. 3 is bean column node cross-sectional view.
Fig. 4 is the main view of bracket.
Fig. 5 is the right view of bracket.
Fig. 6 is the top view of bracket.
Fig. 7 is the perspective view of bracket.
Fig. 8 is girder steel partial perspective view (upper direction).
Fig. 9 is girder steel partial perspective view (lower direction).
Figure 10 is the perspective view of partition in embodiment one.
Figure 11 is the perspective view of partition in embodiment two.
In figure: 100 girder steels, 110 interconnecting pieces, 111 partitions II, 1111 strip holes, 112 connecting plates, 113 auxiliary floors,
1114 folds, 120 main bodys,
200 brackets, 210 support portions, 211 reinforcing ribs, 220 mounting portions, 221 partitions I, 2211 pin holes, 222 supporting plates,
300 columns,
000 emulsified asphalt, 001 steel pin, 002 carbon fiber-reinforced layer.
Specific embodiment
Steel structure girder column connected node, including girder steel and steel column are fixed with ox in the position for needing to install girder steel of steel column
Leg.
Steel column is rectangular steel tube steel column in the present embodiment.By taking steel column size BH400X200X8X8 as an example, B is pillar section
It is high by 400；H is 200 millimeters of pillar flange width；First 8 is web thickness, unit millimeter；Second 8 is edge of a wing plate thickness 8
It is web thickness, 8 wings are thick, unit millimeter.
Embodiment one
In the present embodiment girder steel be i-beam structure, it is identical as common I-beam, the girder steel in the embodiment be also by
Web and edge of a wing composition, wherein the circular hole of hollow out can also be set on web, further reduce the self weight of girder steel, the circle
Hole is combined by big hole and small sircle hole group.The structure of this hollow out can optimization steel building further use steel
Amount, and intensity does not reduce substantially.
The present embodiment combination Figure of description 1 to attached drawing 10 is described in detail.
The both ends of the girder steel 100 are interconnecting piece, and interconnecting piece is formed by optimization design, which is used for and bracket carries out
Special connection, to meet requirement.
Bracket 200 is installed over shaft 300 by way of welding or fixing.The bracket 200 is by support portion 210
It forms, the triangle iron construction that wherein support portion 210 is made of riser and supporting plate, and in place sets with mounting portion 220
It is equipped with and strengthens rib 211.The riser is fixed on column in factory in advance by welding or high-strength bolt.That is,
What support portion was suitable for using with the connection of column 300, the mode of connection can be configured according to actual needs.Mounting portion 220
The comb teeth-shaped structure being made of multiple partitions I 221, partition I 221 use the steel plate of the medium thickness with a thickness of 1 millimeter, vertically
Setting, quantity are ten or so, likewise, the interconnecting piece in girder steel 100 is also equipped with a thickness of the medium thickness greater than 1 millimeter
Steel plate, form the structure of comb teeth-shaped, such mounting portion and interconnecting piece carry out plug connection, during grafting, between partition that
This grafting, in the present embodiment, partition I 221 uses flat panel production, and is welded on bracket or girder steel after cutting.
In the present embodiment, well-regulated or irregular groove, also referred to as channel is arranged in the surface of partition 221, is used for
The flowing of emulsified asphalt, this point will be described in detail afterwards.
In the mounting portion 220 of bracket, including vertical partition I 221 and horizontal supporting plate 222, wherein 222 part of supporting plate
Extended length be far longer than the length of partition I 221, the bottom-up extension of partition I, that is to say, that partition I is located at the upper of supporting plate
Side, and only cover the part of supporting plate.The comb structure that partition I is formed is arranged along the length direction of girder steel, that is to say, that
The characteristic with certain telescopicing performance is formed in plugging direction.
The corresponding interconnecting piece 110 at 100 both ends of girder steel, including what is be arranged from top to bottom, the partition II of lower ending opening
111, the structure of partition II 111 is identical as the structure of partition I 221, plug connection each other, has edge at the plug division position of the two
Enough collapsing lengths on girder steel length direction be combined in assembly work progress and be full of in plugging position, be filled with
Enough pitch, pitch preferred emulsified asphalt have enough mobility and viscosity after heating.
Preferably, increase fire retardant in emulsified asphalt, be allowed to the fire protecting performance for having certain.
In interconnecting piece 110, using the connection using a transverse direction between partition II 111 and the conventional position of girder steel 100
Plate 112 and three vertical auxiliary floors 113 are excessively connected, and are formed local strength and are strengthened, in this way, the interconnecting piece is rigid
Degree, intensity and anti-bending strength meet wanting substantially for the strong weak beam of node in girder steel design all due to 120 part of the main body of I-beam
It asks.Wherein the fixed position where partition II 111 is located at the end of top flange.
In partition II 111, I 111 overlapping part of partition is provided with strip hole 1111, strip hole 1111 has certain
Length, and run through all partitions II, likewise, corresponding be provided with pin hole 2211, and the pin hole 2211 on partition I 221
Across most partition I 111, I 221, a partition for only retaining most rear side are run through, that is to say, that all pin hole and
Strip hole is through, communicates, and a closure is formed on the most partition I of rear side, sees that form one perforative logical on the whole
Road, there are two the effects in the channel, one be for heat emulsified asphalt perfusion, between two kinds of partitions gap carry out cream
Change the injection of pitch.Second is the mechanical connection that safety pin is used for after injecting, and forms a kind of security protection.
In installation process, after grafting installation, infused from pin hole 2211 and strip hole 1111 into the gap between partition I, II
Enter the emulsified asphalt 000 of heat, and emulsified asphalt is allowed adequately to flow, until there is emulsified asphalt to go out from the top overflow of overlapping part
It is next, after filling, pin hole is blocked using steel pin 001 is blocked, after pitch cooling hardening to be emulsified, forms semirigid flexibility even
It connects, which had both had certain rigidity, rigidly referred in a normal state, due to the effect of emulsified asphalt and grafting frictional force
Under, it is in normal connection status.Under normal condition, this node is semirigid connection, when strong earthquakes carry out interim, partition I, II
Between steel pin and the emulsified asphalt of hardening can be displaced, even distort, certain seismic energy can be consumed in the process,
Accomplish no damage in small earthquake, middle shake can repair, when violent earthquake occurs, the grafting of bond strength and steel pin, partition I, II herein
Overlapping connection can also generate enough stretch-prooves, torque resistant effect, accomplish no collapsing with strong earthquake, so this structure is with enough strong
Degree.
In the present embodiment, the interconnecting piece at girder steel both ends is designed as to the connected structure that there is multi-layer thin steel plate to form, the company
Socket part has higher bonding strength and rigidity.
The connection method of above-mentioned node:
Step 1, firstly, process to form interconnecting piece at the both ends of girder steel, meanwhile, it makes bracket and is mounted on column, ox
Being installed as being bolted of leg is perhaps welded to connect or is bolted and welding Hybrid connections.
The interconnecting piece at girder steel both ends is inserted into the mounting portion of bracket by step 2, so that partition partition I, II forms grafting
Connection, and guarantee pin hole and strip hole to it, after grafting in place, hot by injection channel injection by injection specific purpose tool,
The emulsified asphalt of flowing will be inserted into steel pin in pin hole after filling.
Step 3 is wrapped up using carbon fiber mesh fabric, is wound in plugging position, and local strengthening, carbon fibre web are formed
The work progress of lattice cloth is as follows:
The winding of carbon fiber mesh fabric is carried out in plugging position, one layer of every winding bonds one layer using adhesive special, leads to
Winding multilayer is crossed, multiple coated with adhesive forms local covered effect, and theoretically, the winding layer number at the position is not less than 10
Layer, that is to say, that by winding and bonding forms enough cladding thickness.
Step 4, maintenance reach predetermined strength until binder hardens, and in the case of non-macroseism, which can
To form local reinforcing to the connecting node.
By embodiment of above, it can be partially formed carbon fiber-reinforced layer 002, improve local intensity.
Embodiment two,
Can in an improved way as one kind, partition can also be using the structure with fold 1114, spacer structure reference
Figure 11, forms the connection type with certain elasticity, and this structure has more light and more anti-seismic performance.This knot
Structure is suitable for the connection of the girder steel and steel column of lightweight steel construction.The construction of fold simultaneously, can store cream more in fold gap
Change pitch, forms high strength bond.
Embodiment three
With reference to figure, more excellent installation effect can also be realized through this embodiment, it, can after installation in the present embodiment
To form more excellent flooring installation space, specifically, the mounting portion at girder steel both ends is designed as to the bending of downward bending
Construction, and connected structure is set in the bending construction location, in this way, the interconnecting piece at girder steel both ends, it is empty to form enough installations
Between, so that interconnecting piece is more convenient for installing.
The above-described embodiments are merely illustrative of preferred embodiments of the present invention.
Claims (6)
1. assembling type steel structure beam-column connection, including girder steel and steel column, wherein girder steel both ends pass through bracket and the steel column
It is fixedly connected, it is characterised in that:
The bracket is made of support portion and mounting portion, wherein and the support portion is made of riser and supporting plate perpendicular to one another,
The riser is fixed on column；The comb structure that multiple partitions I form, which is fixed on supporting plate, forms mounting portion；
The comb structure that the interconnecting piece of girder steel end is made of multiple partitions II, and the interconnecting piece and the mounting portion carry out
Plug connection, the plug connection along on girder steel length direction have extendable room；Cream is perfused in the gap of the plug connection
Change pitch, and is coated with carbon fiber mesh fabric in periphery.
2. assembling type steel structure beam-column connection according to claim 1, which is characterized in that the surface of the partition I, II
For coarse either bumps.
3. assembling type steel structure beam-column connection according to claim 1, which is characterized in that between partition II and girder steel
Reinforcing is carried out with vertical auxiliary floor by lateral connecting plate to connect.
4. assembling type steel structure beam-column connection according to claim 1, which is characterized in that in partition II, with partition I
Overlapping part is provided with strip hole, pin hole is provided on the partition I, and be inserted into steel pin in strip hole and pin hole.
5. the construction method that assembling type steel structure beam-column connection as claimed in any of claims 1 to 4 carries out:
Step 1, factory production, process to form interconnecting piece at the both ends of girder steel, production bracket simultaneously be fixed on column, girder steel and
Steel column carries out preservative treatment；
Step 2, transport to building site lift and fix steel column, lift and be inserted into the interconnecting piece at girder steel both ends the installation of bracket
Portion so that partition partition I, II forms plug connection, and guarantees pin hole and strip hole to it, will be in plug division after grafting in place
Injection heat, flowing emulsified asphalt, will be inserted into steel pin in pin hole after filling；
Step 3 is wrapped up using carbon fiber mesh fabric, is wound in plugging position；
Step 4, maintenance, until binder hardens.
6. construction method according to claim 5, which is characterized in that in step 3, the carbon fiber mesh fabric is twined
Around construction are as follows: carry out the winding of carbon fiber mesh fabric in plugging position, one layer of every winding bonds one layer using adhesive special, leads to
Winding multilayer is crossed, cladding is formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201910437873.1A CN110306657A (en) | 2019-05-24 | 2019-05-24 | Assembling type steel structure beam-column connection and construction method |
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| CN201910437873.1A CN110306657A (en) | 2019-05-24 | 2019-05-24 | Assembling type steel structure beam-column connection and construction method |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN110700433A (en) * | 2019-10-12 | 2020-01-17 | 北京工业大学 | Super-elastic multi-level friction limiting energy dissipater for controlling residual displacement of structural node |
| CN111379320A (en) * | 2020-03-24 | 2020-07-07 | 林少燕 | Shock attenuation formula steel construction node component |
| CN112392146A (en) * | 2020-10-10 | 2021-02-23 | 东南大学 | Connecting structure and connecting method of cast steel nodes |
| CN112854478A (en) * | 2021-01-14 | 2021-05-28 | 宿迁学院 | Energy-consuming and shock-absorbing beam-column node structure for prefabricated building |
| CN113107089A (en) * | 2021-04-25 | 2021-07-13 | 中建科工集团有限公司 | Beam body sliding connection structure |
| CN113756449A (en) * | 2021-08-31 | 2021-12-07 | 江苏远大钢结构工程有限公司 | Large-span steel beam column structure and member thereof |
| CN113969615A (en) * | 2021-10-20 | 2022-01-25 | 苏州德力智慧物流科技有限公司 | A stand, crossbeam connection structure for multilayer steel structure platform |
| CN114457915A (en) * | 2022-02-23 | 2022-05-10 | 中国建筑一局(集团)有限公司 | Rapid installation node structure for super high-rise complex steel structure and steel structure installation method |
| CN115653634A (en) * | 2022-12-05 | 2023-01-31 | 中国矿业大学(北京) | Semi-rigid connecting device for assembled cladding panel |
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| CN112854478A (en) * | 2021-01-14 | 2021-05-28 | 宿迁学院 | Energy-consuming and shock-absorbing beam-column node structure for prefabricated building |
| CN113107089A (en) * | 2021-04-25 | 2021-07-13 | 中建科工集团有限公司 | Beam body sliding connection structure |
| CN113756449A (en) * | 2021-08-31 | 2021-12-07 | 江苏远大钢结构工程有限公司 | Large-span steel beam column structure and member thereof |
| CN113969615A (en) * | 2021-10-20 | 2022-01-25 | 苏州德力智慧物流科技有限公司 | A stand, crossbeam connection structure for multilayer steel structure platform |
| CN114457915A (en) * | 2022-02-23 | 2022-05-10 | 中国建筑一局(集团)有限公司 | Rapid installation node structure for super high-rise complex steel structure and steel structure installation method |
| CN114457915B (en) * | 2022-02-23 | 2023-10-27 | 中国建筑一局(集团)有限公司 | Rapid installation node structure for super high-rise complex steel structure and steel structure installation method |
| CN115653634A (en) * | 2022-12-05 | 2023-01-31 | 中国矿业大学(北京) | Semi-rigid connecting device for assembled cladding panel |
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