CN108978868A - A kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure and installation method - Google Patents
A kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure and installation method Download PDFInfo
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- CN108978868A CN108978868A CN201811064297.2A CN201811064297A CN108978868A CN 108978868 A CN108978868 A CN 108978868A CN 201811064297 A CN201811064297 A CN 201811064297A CN 108978868 A CN108978868 A CN 108978868A
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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
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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
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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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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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
- E04B1/00—Constructions in general; Structures which are not restricted either to walls, e.g. partitions, or floors or ceilings or roofs
- E04B1/18—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons
- E04B1/24—Structures comprising elongated load-supporting parts, e.g. columns, girders, skeletons the supporting parts consisting of metal
- E04B1/2403—Connection details of the elongated load-supporting parts
- E04B2001/2406—Connection nodes
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- 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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Abstract
The invention discloses a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure and installation methods, the active beam link being easily changed is set among the steel deep beam of traditional steel tube fr, steel deep beam carries out splicing with web splice plate by flange splice plate with active beam link and connects, flange splice plate mainly transmits the pressure or pulling force of moment of flexure generation, the main Transfer of Shear of web splice plate, " curved scissors separation " may be implemented, power transmission is simple and reliable.It only needs to disassemble a serious active beam link is damaged after earthquake, then replaces new active beam link, scene splicing function can restore after the shake of Structures of Fast Realizing again.The present invention guarantees that steel deep beam part is not in region of stress concentration under horizontal loads, it is constantly in elastic stage or partial development plasticity, it gives full play to the good plastic deformation ability of active beam link and consume energy and enter plasticity energy consumption instead of steel deep beam end, the energy consumption mechanism for changing traditional steel tube fr makes structure have good energy dissipation capacity.
Description
Technical field
The invention belongs to Structural Engineerings and earthquake-resistant structure field, and in particular to a kind of replaceable shearing-type energy-consumption beam section-steel
Deep beam connection structure and installation method.
Background technique
Steel tube fr is the tube structure formed by the close column deep beam in periphery, floor and internal a small amount of column, which has
Anti-side rigidity is big, and torsional property is good, can give full play to monolithic space action and the more flexible advantage of building arrangements.But by
In steel tube fr peripheral frame column away from very little (typically about 3-4m), larger (the typically about 0.6m- of steel deep beam depth of section
1.2m), so that steel deep beam span-depth radio is smaller, beam-ends moment of flexure gradient is big, limits the development of beam-ends plastic hinge, while floor is to steel
Deep beam has booster action, and the big lower styletable of shake often plastic hinge occurs prior to beam-ends, is unfavorable for structure dissipation seismic energy, has certain
Risk of collapsing a large number of users will be caused to move out once biggish seismic Damage occurs in structure, influence the normal life of people
It is living, and rehabilitation cost is higher, these problems limit the promotion and application of steel tube fr to a certain extent.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connections
Structure and installation method, it is reliable in geological process flowering structure power transmission, and residual deformation is smaller after shake, it is easy to accomplish active beam link is more
Change, only needed after shake replacement damage more serious active beam link can fast quick-recovery structure use function, so as to improve traditional steel
The poor problem of framed-tube structure anti-seismic performance.
In order to achieve the above object, a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure, in steel tube fr
The active beam link that setting is conveniently replaceable among the steel deep beam of peripheral frame, steel tube fr peripheral frame include in two frames
Column is respectively connected with steel deep beam on two frame center pillars, and two steel deep beams are oppositely arranged, and the web two sides of steel deep beam are respectively arranged with
Two horizontal stiffeners and a vertical ribbed stiffener, two steel deep beams carry out splicing connection with active beam link both ends respectively, and steel is deep
The web of beam and the web of active beam link are spliced by web splice plate, and the edge of a wing of active beam link and the level of steel deep beam add
Strength rib carries out splicing connection by flange splice plate.
Steel deep beam and frame center pillar use the higher Q460 or Q690 steel of intensity, and active beam link is lower using intensity, becomes
Preferable LY225, Q235 or Q345 steel of shape ability.
The vertical side of ribbed stiffener and the end intersection of two horizontal stiffeners are welded.
The flange width of active beam link is identical as the spacing of two horizontal stiffeners of steel deep beam.
The section of active beam link is i shaped steel, and the web two sides of active beam link are correspondingly arranged on several longitudinal stiffeners.
Eight pieces of flange splice plates, eight pieces of flange splice plates difference at the every end of active beam link are fixed in the both ends of active beam link respectively
It is fixed on the upper and lower surfaces on the edge of a wing of active beam link and the horizontal stiffener junction of steel deep beam.
The two sides of the web of the web and active beam link of steel deep beam are respectively fixed with web splice plate.
Web splice plate is fixed on the web of steel deep beam and the web of active beam link by high-strength bolt, flange splice plate
It is fixed on by high-strength bolt on the edge of a wing of active beam link and the horizontal stiffener of steel deep beam.
A kind of installation method of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure, comprising the following steps:
Two horizontal stiffeners and a vertical ribbed stiffener are respectively welded in the web two sides of steel deep beam in step 1；
Active beam link is placed among two steel deep beams by step 2, adds the edge of a wing of active beam link and the level of steel deep beam
Strength rib is corresponding；
Web splice plate is fixed on the two sides of the web of steel deep beam and the web junction of active beam link by step 3, will
Flange splice plate is fixed on the two sides of the horizontal stiffener of steel deep beam and the edge of a wing junction of active beam link, completes installation.
Flange splice plate and web splice plate are fixed using high-strength bolt.
Compared with prior art, structure of the invention is set between two steel deep beams of traditional steel tube fr peripheral frame
The active beam link being easily changed is set, active beam link is spliced with steel deep beam by flange splice plate and web splice plate, the edge of a wing
Splice plate mainly transmits the pressure or pulling force, the main Transfer of Shear of web splice plate of moment of flexure generation, and " curved scissors separation " may be implemented,
Power transmission is simple and reliable.It only needs to remove the serious active beam link of damage after earthquake, then replaces new active beam link, showing again
Splicing function can restore after the shake of Structures of Fast Realizing, simple to operate.The present invention guarantees under horizontal loads
Steel deep beam part is not in region of stress concentration, and is in elastic stage or partial development plasticity always, gives full play to energy consumption
The good ability of elastic-plastic deformation of beam section carries out plasticity energy consumption and steel deep beam end is replaced to enter plasticity energy consumption.Replacement is only needed to damage after shake
The active beam link of wound can fast quick-recovery structure use function, meet the recoverable requirement of structure function, have good warp
Ji benefit.The present invention is used to that the poor feature of traditional steel tube fr anti-seismic performance can be improved in traditional steel tube fr, pushes away
The application of wide steel tube fr system.
Method of the invention on deep beam by welding vertical ribbed stiffener and horizontal stiffener, so that deep beam and active beam link
Bolt splicing connection can be realized by flange splice plate and web splice plate, flange splice plate and high-strength bolt mainly transmit curved
The pressure or pulling force, the main Transfer of Shear of web splice plate that square generates, may be implemented " curved scissors separation ".
Further, the present invention is attached using bolt, only needs to remove bolt, i.e., replaceable new dissipative links after shake
Section re-starts bolt splicing connection using new high-strength bolt.
Detailed description of the invention
The steel tube fr elevation that Fig. 1 is applicable in for the present invention；
Fig. 2 is structural schematic diagram of the invention；
Fig. 3 is the face A-A cross-sectional view in Fig. 2；
Fig. 4 is the face B-B cross-sectional view in Fig. 2；
Fig. 5 is the aperture schematic diagram of steel deep beam in the present invention；
Fig. 6 is the aperture schematic diagram of active beam link in the present invention；
Fig. 7 is the aperture schematic diagram of flange splice plate in the present invention；
Fig. 8 is the aperture schematic diagram of median ventral plate splice plate of the present invention；
Fig. 9 is schematic three dimensional views of the invention；
Figure 10 is the connection schematic diagram of steel deep beam and active beam link in the present invention；
Figure 11 is replacement schematic diagram of the present invention after geological process；
Wherein, 1, steel deep beam；2, horizontal stiffener；3, vertical ribbed stiffener；4, active beam link；5, flange splice plate；6, abdomen
Plate splice plate；7, high-strength bolt；8, frame center pillar.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to Fig. 1, the present invention is that the shearing that is easily changed is arranged in the steel deep beam span centre of traditional framed-tube structure peripheral frame
Type active beam link is mainly used for the connection of the steel deep beam and shearing-type energy-consumption beam section in peripheral frame.
Referring to fig. 2, Fig. 3 and Fig. 4, a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure, including two steel frameworks
Cylinder peripheral frame center pillar 8, two frame center pillars 8 are welded at node with the steel deep beam 1 being oppositely arranged, two steel deep beams 1
Carry out splicing connection with the both ends of active beam link respectively, the web two sides of steel deep beam 1 are respectively set that there are two 2 Hes of horizontal stiffener
The flange width of one vertical ribbed stiffener, active beam link 4 is identical as the spacing of two horizontal stiffeners 2 on the web of steel deep beam 1,
The web of steel deep beam 1 and the web of active beam link 4 are spliced by web splice plate 6 and high-strength bolt 7, active beam link 4
The edge of a wing and the horizontal stiffener 2 of steel deep beam 1 are spliced by flange splice plate 5 and high-strength bolt 7.
Referring to Fig. 5, the web two sides of steel deep beam 1 are respectively set there are two the vertical ribbed stiffener 3 of horizontal stiffener 2 and 1, are erected
The end intersection of side and two horizontal stiffeners 2 to ribbed stiffener 3 is welded.
Referring to Fig. 6, active beam link 4 is i shaped steel section, and the web two sides of active beam link 4 are correspondingly arranged on several longitudinal directions
Ribbed stiffener, rib spacing of putting more energy into refer to seismic design provision in building code (GB50011-2010).
Referring to Fig. 9 and Figure 10, eight pieces of flange splice plates 5 are fixed at the both ends of active beam link 4 respectively, the every end of active beam link 4
Eight pieces of flange splice plates 5 are separately fixed at upper surface and the following table on the edge of a wing of active beam link 4 and the horizontal stiffener of steel deep beam 1
Face.The both ends of active beam link 4 are respectively and fixedly provided with web splice plate 6, and the web splice plate 6 at every end is separately fixed at active beam link 4
The web two sides of web and steel deep beam 1.
Referring to Fig. 5, Fig. 6 and Fig. 8, if steel deep beam 1 offers bolt stem in the web position between two horizontal stiffeners 2
Hole offers several bolts hole on the web of active beam link 4, several bolts hole, web splice plate is offered on web splice plate 6
6 bolt hole is corresponding with the web upper bolt hole of the web of steel deep beam 1 and active beam link 4.
Referring to Fig. 5, Fig. 6 and Fig. 7, offer several bolts hole in the horizontal stiffener 2 of steel deep beam 1, active beam link 4 it is upper
Offer several bolts hole on lower flange, offer several bolts hole on flange splice plate 5, the bolt hole of flange splice plate 5 with
Bolt hole on the edge of a wing of horizontal stiffener 2 and active beam link 4 is corresponding.
A kind of installation method of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure, comprising the following steps:
Two horizontal stiffeners 2 and a vertical ribbed stiffener 3 are respectively welded in the web two sides of steel deep beam 1 in step 1, will
The end face of one horizontal stiffener 2 is welded on the side of vertical ribbed stiffener 3；
Active beam link 4 is placed among two steel deep beams 1 by step 2, makes the edge of a wing of active beam link 4 and the water of steel deep beam 1
Flat ribbed stiffener 2 is corresponding；
Web splice plate 6 is fixed on the web two sides of steel deep beam 1 Yu active beam link 4 by step 3, by flange splice plate 5
It is fixed on the horizontal stiffener 2 of steel deep beam 1 and the edge of a wing two sides of active beam link 4, steel deep beam 1 and active beam link 4 are spelled by web
Fishplate bar 6 and flange splice plate 5 are stitched together with high-strength bolt 7, fix it, complete installation.
Referring to Figure 11, there can be a residual deformation in rarely occurred earthquake effect flowering structure, therefore the new active beam link 4 to replace
Can be 1-2mm slightly shorter than original size, to guarantee that replacement can be gone on smoothly after shaking.When being replaced, only scene is needed to remove
Then original high-strength bolt 7 is carried out with new active beam link 4, flange splice plate 5, web splice plate 6 and new high-strength bolt
Replacement, can repair after the shake of Structures of Fast Realizing.
The present invention proposes that active beam link is using surrender in the shearing-type energy-consumption beam section that the setting of deep steel deep beam span centre is easily changed
Intensity is lower, the preferable steel of deformability, and remaining component uses high-strength steel, keeps structure good using shearing-type energy-consumption beam section
Ability of elastic-plastic deformation consume energy, big shake acts on lower active beam link and consumes energy completely into elastic-plastic behavior, and remaining
Component, to change the seismic energy dissipation mechanism of traditional steel tube fr, is effectively kept away still in elastic stage or partial development plasticity
Exempt from limitation of " strong column and weak beam " design concept to traditional steel tube fr.
In order to give full play to the shear deformation ability of active beam link and meet structure shake after active beam link quick-replaceable and
It repairs, the connection between shearing-type energy-consumption beam section and deep steel deep beam is the key technology of replaceable shear energy dissipation fashioned iron framed-tube structure
One of.Linked vector graph will not only guarantee that structure power transmission under horizontal earthquake action is reliable, but also it is residual after shake to meet structure
Remaining deformation is smaller, and active beam link is easily changed.Linked vector graph for steel construction is bolted and is welded to connect two kinds.Welding
It is reliable to connect power transmission, but residual stress can be generated by being welded to connect, and increase initial imperfection, and be not easy to replace after realizing shake, bolt
Connection is chiefly used in contour section splicing.Therefore the present invention proposes a kind of replaceable shearing-type energy-consumption beam section-steel deep beam linked vector graph.
Claims (10)
1. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure, which is characterized in that in steel tube fr peripheral frame
Steel deep beam (1) among the active beam link (4) that is conveniently replaceable of setting, steel tube fr peripheral frame includes two frame center pillars
(8), it is respectively connected with steel deep beam (1) on two frame center pillars (8), two steel deep beams (1) are oppositely arranged, the web of steel deep beam (1)
Two sides are respectively set there are two horizontal stiffener (2) and a vertical ribbed stiffener (3), two steel deep beams (1) respectively with dissipative links
Section (4) both ends carry out splicing connection, and the web of steel deep beam (1) and the web of active beam link (4) are carried out by web splice plate (6)
Splicing, the edge of a wing of active beam link (4) and the horizontal stiffener (2) of steel deep beam (1) carry out splicing company by flange splice plate (5)
It connects.
2. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
Steel deep beam (1) and frame center pillar (8) use Q460 or Q690 steel, and active beam link (4) uses LY225, Q235 or Q345 steel.
3. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
The vertical side of ribbed stiffener (3) and the end intersection of two horizontal stiffeners (2) are welded.
4. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
The flange width of active beam link (4) is identical as the spacing of two horizontal stiffeners (2) of steel deep beam (1).
5. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
The section of active beam link (4) is i shaped steel, and the web two sides of active beam link (4) are correspondingly arranged on several longitudinal stiffeners.
6. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
Eight pieces of flange splice plates (5), eight pieces of flange splice plates (5) at active beam link (4) every end are fixed in the both ends of active beam link (4) respectively
It is separately fixed at the upper and lower surfaces on the edge of a wing of active beam link (4) and horizontal stiffener (2) junction of steel deep beam (1).
7. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
The two sides of the web of the web and active beam link (4) of steel deep beam (1) are respectively fixed with web splice plate (6).
8. a kind of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 1, which is characterized in that
Web splice plate (6) is fixed on the web of steel deep beam (1) and the web of active beam link (4) by high-strength bolt (7), and the edge of a wing is spelled
Fishplate bar (5) is fixed on the edge of a wing of active beam link (4) and the horizontal stiffener (2) of steel deep beam (1) by high-strength bolt (7).
9. a kind of installation method of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure described in claim 1, feature
It is, comprising the following steps:
Two horizontal stiffeners (2) and a vertical ribbed stiffener (3) are respectively welded in the web two sides of steel deep beam (1) in step 1；
Active beam link (4) is placed among two steel deep beams (1) by step 2, makes the edge of a wing and steel deep beam (1) of active beam link (4)
Horizontal stiffener (2) it is corresponding；
Web splice plate (6) is fixed on the two of the web of steel deep beam (1) and the web junction of active beam link (4) by step 3
Flange splice plate (5) is fixed on the two of the horizontal stiffener (2) of steel deep beam (1) and the edge of a wing junction of active beam link (4) by side
Installation is completed in side.
10. a kind of installation method of replaceable shearing-type energy-consumption beam section-steel deep beam connection structure according to claim 9,
It is characterized in that, flange splice plate (5) and web splice plate (6) are fixed using high-strength bolt.
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| CN201811064297.2A CN108978868B (en) | 2018-09-12 | 2018-09-12 | Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method |
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| CN201811064297.2A CN108978868B (en) | 2018-09-12 | 2018-09-12 | Replaceable shear type energy consumption beam section-steel deep beam connecting structure and mounting method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944160A (en) * | 2019-01-15 | 2019-06-28 | 中铁宝桥集团有限公司 | A kind of separate type opening combinations beam concrete slab overlapping accuracy control method |
| CN110593405A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Single-side-reaming T-shaped connection replaceable beam connection structure and connection method |
| CN110593431A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Pi-shaped steel-end plate connecting structure and method capable of replacing energy-consuming beam section |
| CN111219015A (en) * | 2020-03-06 | 2020-06-02 | 西安建筑科技大学 | Dragon and phoenix tenon type connection replaceable beam connection structure and connection method |
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| JPH08291558A (en) * | 1995-04-24 | 1996-11-05 | Kajima Corp | Column-beam joining part structure |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109944160A (en) * | 2019-01-15 | 2019-06-28 | 中铁宝桥集团有限公司 | A kind of separate type opening combinations beam concrete slab overlapping accuracy control method |
| CN110593405A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Single-side-reaming T-shaped connection replaceable beam connection structure and connection method |
| CN110593431A (en) * | 2019-10-08 | 2019-12-20 | 西安建筑科技大学 | Pi-shaped steel-end plate connecting structure and method capable of replacing energy-consuming beam section |
| CN111219015A (en) * | 2020-03-06 | 2020-06-02 | 西安建筑科技大学 | Dragon and phoenix tenon type connection replaceable beam connection structure and connection method |
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| Publication number | Publication date |
|---|---|
| CN108978868B (en) | 2023-10-20 |
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