CN109057069A - A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam - Google Patents

A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam Download PDF

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Publication number
CN109057069A
CN109057069A CN201811063655.8A CN201811063655A CN109057069A CN 109057069 A CN109057069 A CN 109057069A CN 201811063655 A CN201811063655 A CN 201811063655A CN 109057069 A CN109057069 A CN 109057069A
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CN
China
Prior art keywords
link
active
steel deep
steel
deep
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Pending
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CN201811063655.8A
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Chinese (zh)
Inventor
连鸣
张�浩
苏明周
程倩倩
关彬林
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Xian University of Architecture and Technology
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Xian University of Architecture and Technology
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Priority to CN201811063655.8A priority Critical patent/CN109057069A/en
Publication of CN109057069A publication Critical patent/CN109057069A/en
Pending legal-status Critical Current

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    • 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, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, 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, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate
    • E04H9/02Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate withstanding earthquake or sinking of ground
    • E04H9/024Structures with steel columns and beams

Abstract

The invention discloses the connection structures and installation method of a kind of replaceable small span-depth ratio steel deep beam, by being provided with steel deep beam on two frame barrel masts, and active beam link is set between two steel deep beams, the depth of section of active beam link is set to be less than the depth of section of steel deep beam, it can be under horizontal loading (wind load or earthquake) effect, the plastic deformation and damage for making structure focus primarily upon at active beam link, the replaceable small span-depth ratio steel deep beam connection structure power transmission is direct, reliably, it is attached between active beam link and steel deep beam using friction type high strength bolt, it is easy for construction, simple structure, disassembly and replacement after being easy to shake, substantially the fast quick-recovery that steel tube fr after shaking uses function is realized.The trend for meeting earthquake-resistant structure area research in recent years, has good economic benefit, and the present invention repairs the disadvantages of difficulty is big after capable of being effectively improved traditional steel tube fr poor seismic behavior and shake.

Description

A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam
Technical field
The invention belongs to architectural engineerings and earthquake-resistant structure field, and in particular to a kind of company of replaceable small span-depth ratio steel deep beam Binding structure and installation method.
Background technique
It is more prominent the advantages of steel tube fr in all multi and tall steel building Lateral Resistant Systems.Steel tube fr periphery Column in frame is very close and skirt beam rigidity is very big, forms close column deep beam system, and under the putting more energy into of each floor lid, structure can play sky Between mass action, there is very big anti-side rigidity, and inside configuration space using flexible designs and constructs and is relatively easy.But Since the column of steel tube fr peripheral frame is larger (about 0.6~1.2m) away from the depth of section of very little (about 3~4m) and skirt beam, lead The span-depth radio smaller (about 3~5) (skirt beam is subsequent to be referred to as steel deep beam) of skirt beam is caused, thus limits the development of beam-ends plastic hinge, It is unfavorable for structure dissipation seismic energy, this limits the popularization and application of steel tube fr to a certain extent.Eccentrically braces structure In shearing-type energy-consumption beam section there is good plastic deformation ability and stable energy dissipation capacity, and simple structure is easy to process Production.
The type of attachment being arranged between the shearing-type energy-consumption beam section and steel deep beam of steel deep beam span centre is that realization is replaceable small One of the key technology of span-depth radio steel deep beam.The type of attachment of design should ensure structure in horizontal loading (wind load or earthquake Effect) under power transmission it is reliable, make setting shearing-type energy-consumption beam section give full play to energy consumption advantage, again guarantee shake after active beam link it is easy In disassembly and replacement, restore the normal usage function of structure as early as possible.The type of attachment of steel member mainly includes that welding connects with bolt Connect two kinds.It is big to be welded to connect rigidity, but its ductility is relatively poor, weld seam is easy to tear under geological process, and anti-seismic performance is not so good as spiral shell It tethers and connects, and do not have replaceability using the active beam link being welded to connect.Two kinds currently existed are bolted shape Formula-splice plate connection is bolted with web-, and previous experimental study shows that both are bolted form and make in violent earthquake Biggish bolt sliding can be generated under, junction rigidity is smaller, is unfavorable for active beam link and gives full play to plastic deformation and connection Construction is complicated, is unfavorable for the replacement of active beam link after shake.
Summary of the invention
The purpose of the present invention is to overcome the above shortcomings and to provide a kind of connection structure of replaceable small span-depth ratio steel deep beam and Installation method, the shortcomings that improving traditional steel tube fr poor seismic behavior.
In order to achieve the above object, a kind of connection structure of replaceable small span-depth ratio steel deep beam, including two frame barrel masts, two Steel deep beam is provided on a frame barrel mast, two steel deep beams are oppositely arranged, it is provided with steel deep beam end plate on the end face of steel deep beam, two Active beam link is provided between a steel deep beam, active beam link uses welded H section steel, and is designed as shear yield type, active beam link Active beam link end plate is provided on two end faces, active beam link end plate is fixedly connected with steel deep beam end plate, and active beam link is cut Face height is less than the depth of section of steel deep beam, and the top flange of steel deep beam is placed with concrete floor.
Active beam link end plate is fixedly connected by friction type high strength bolt with steel deep beam end plate.
Several active beam link ribbed stiffeners are provided on active beam link.
Several steel deep beam ribbed stiffeners are provided on steel deep beam.
Steel deep beam end plate design thickness is greater than active beam link end plate thickness.
Several frame barrel mast ribbed stiffeners are provided on frame barrel mast.
A kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam, comprising the following steps:
Step 1 welds steel deep beam in the side of frame barrel mast;
Step 2 welds steel deep beam end plate on the end face of steel deep beam, welds dissipative links in two end faces of active beam link Section end plate;
Step 3, active beam link are fixed between two steel deep beams, and the depth of section of active beam link is made to be less than steel deep beam Depth of section;
Step 4, in the top flange casting concrete floor of steel deep beam.
The height of the soldering frame barrel mast ribbed stiffener on frame barrel mast, frame barrel mast ribbed stiffener is concordant with the steel deep beam edge of a wing;
Steel deep beam ribbed stiffener, the edge of a wing flush of steel deep beam ribbed stiffener and active beam link are welded on steel deep beam;
Active beam link ribbed stiffener is welded on the web of active beam link.
The top flange and lower flange of active beam link use the butt welding of full penetration single bevel groove with active beam link end plate respectively Seam, and commissure is provided with run-on tab;The web of active beam link is connect with active beam link end plate using fillet weld.
In step 3, carried out between active beam link and two steel deep beams using friction type high strength bolt end plate connection form It is fixedly connected.
Compared with prior art, connection structure of the invention is on two frame barrel masts by being provided with steel deep beam, and Shearing-type energy-consumption beam section is set between two steel deep beams, the depth of section of active beam link is made to be less than the depth of section of steel deep beam, energy It is enough to focus primarily upon the plastic deformation of structure and damage at active beam link under horizontal loading (wind load or earthquake) effect, Directly, reliably, active beam link is fixedly connected with steel deep beam, construction party for the replaceable small span-depth ratio steel deep beam connection structure power transmission Just, simple structure, disassembly and replacement after being easy to shake realize the fast quick-recovery that steel tube fr after shaking uses function substantially.Symbol The trend for closing earthquake-resistant structure area research in recent years, has good economic benefit, the present invention can be effectively improved traditional steel framework The shortcomings that barrel structure poor seismic behavior.
Further, active beam link end plate of the invention connects by the way that friction type high strength bolt and steel deep beam end plate are fixed It connects, high-strength bolt end plate connection form can provide biggish coupling stiffness and boundary constraint effect, keep active beam link abundant Development plastic deformation, plays its excellent energy dissipation capacity.
Installation method of the invention makes the depth of section of active beam link by fixing active beam link between two steel deep beams Less than the depth of section of steel deep beam, in the top flange casting concrete floor of steel deep beam, this method simple installation can be after shake Remove the active beam link of damage, the dissipative member coupling part more renewed, to reach function after steel tube fr shakes in scene Fast quick-recovery.
Detailed description of the invention
Fig. 1 is connection structure schematic three dimensional views of the present invention;
Fig. 2 is the floor map of connection structure of the present invention;
Fig. 3 is Section A-A sectional view in Fig. 2;
Fig. 4 is the replaceable active beam link connection structure diagram of the present invention;
Fig. 5 is active beam link replacement schematic diagram of the present invention;
Wherein, 1, active beam link;2, active beam link ribbed stiffener;3, steel deep beam end plate;4, active beam link end plate;5, friction-type High-strength bolt;6, steel deep beam;7, steel deep beam ribbed stiffener;8, frame barrel mast;9, frame barrel mast ribbed stiffener;10, concrete floor.
Specific embodiment
The present invention will be further described with reference to the accompanying drawing.
Referring to figure 1, figure 2 and figure 3, a kind of connection structure of replaceable small span-depth ratio steel deep beam, including two frame barrel masts 8, Steel deep beam 6 is provided on two frame barrel masts 8, two steel deep beams 6 are oppositely arranged, and steel deep beam is provided on the end face of steel deep beam 6 End plate 3, active beam link 1 is provided between two steel deep beams 6, and active beam link 1 is welded H section steel, two end faces of active beam link 1 On be provided with active beam link end plate 4, active beam link end plate 4 connects by the way that friction type high strength bolt 5 and steel deep beam end plate 3 are fixed It connects, the thickness of steel deep beam end plate 3 is greater than the thickness of active beam link end plate 4, and the depth of section of active beam link 1 is less than steel deep beam 6 Depth of section, the top flange of steel deep beam 6 are placed with concrete floor 10, and the upper end depth of section of active beam link end plate 4 can reduce 10mm is separated with concrete floor 10, to ensure that dissipative member is readily disassembled and replaces after shaking.
It is provided with several active beam link ribbed stiffeners 2 on active beam link 1, several steel deep beam ribbed stiffeners are provided on steel deep beam 6 6, several frame barrel mast ribbed stiffeners 9 are provided on frame barrel mast 8, the spacing of active beam link ribbed stiffener 2 refers to " seismic design provision in building code GB50011-2010 " (2016 revised edition) related request.
Active beam link 1 uses the welded H type section Steel Beams of yield point lower (LYP225, Q235, Q345 etc.), and is designed as Shear yield type.
Friction type high strength bolt 5 uses 10.9 grades, and the diameter of bolt preferentially selects M24, when junction stress is larger, friction M27 or M30 can also be used in the diameter of type high-strength bolt.
Referring to fig. 4, the design thickness of steel deep beam end plate 3 is greater than the thickness of active beam link end plate 4, and the two is high using friction-type Strength bolts 5 connect.The relative deformation between two end plates can be effectively reduced in loading process, it is rigid in order to provide biggish connection Degree is conducive to active beam link web and generates biggish plastic deformation, dissipation seismic energy.Distinguish on the upper and lower edge of a wing of active beam link 1 The butt weld of full penetration single bevel groove is used with active beam link end plate 4, and commissure is provided with run-on tab, guarantees weld seam weldering Quality is connect, junction institute bending moment is effectively transmitted.The web of active beam link 1 is connect with active beam link end plate 4 using fillet weld, can The effectively suffered shearing in transmitting junction.Active beam link ribbed stiffener 2 is connect with the edge of a wing of active beam link 1, web using fillet weld.
A kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam, comprising the following steps:
Step 1, the soldering frame barrel mast ribbed stiffener 9 on frame barrel mast 8, the height of frame barrel mast ribbed stiffener 9 and 6 edge of a wing of steel deep beam Concordantly;Steel deep beam ribbed stiffener 7, the edge of a wing flush of steel deep beam ribbed stiffener 7 and active beam link 1 are welded on steel deep beam 6;It is consuming energy Active beam link ribbed stiffener 2 is welded on the web of beam section 1, welds steel deep beam 6 in the side of frame barrel mast 8;
Step 2 welds steel deep beam end plate 3 on the end face of steel deep beam 6, welds energy consumption in two end faces of active beam link 1 Beam section end plate 4;
Active beam link 1 is fixed between two steel deep beams 6 by step 3, so that the depth of section of active beam link 1 is less than steel deep The depth of section of beam 6;
Step 4, in the top flange casting concrete floor 10 of steel deep beam 6.
Referring to Fig. 5, the present invention realizes a kind of connection structure of replaceable small span-depth ratio steel deep beam, and main purpose is steel framework After barrel structure is acted on by violent earthquake, the damage of structure is focused primarily upon on active beam link.In general, violent earthquake acts on Different degrees of residual displacement can be generated between layers afterwards, therefore, the active beam link length of replacement can be slightly less than raw footage, and one As can reduce 1~5mm, improve the replacement efficiency of replaceable active beam link, save time cost.It is high to remove friction-type for scene after shake The dissipative member coupling part that strength bolts 5, active beam link 1, active beam link ribbed stiffener 2 and active beam link end plate 4 form, more The dissipative member coupling part renewed, to reach the fast quick-recovery of function after steel tube fr shakes.

Claims (10)

1. a kind of connection structure of replaceable small span-depth ratio steel deep beam, which is characterized in that including two frame barrel masts (8), two frames It is provided on barrel mast (8) steel deep beam (6), two steel deep beams (6) are oppositely arranged, and steel depth is provided on the end face of steel deep beam (6) Beam end plate (3) is provided with active beam link (1) between two steel deep beams (6), and active beam link (1) is welded H section steel, active beam link (1) Two end faces on be provided with active beam link end plate (4), active beam link end plate (4) is fixedly connected with steel deep beam end plate (3), consumption The depth of section of energy beam section (1) is less than the depth of section of steel deep beam (6), and the top flange of steel deep beam (6) is placed with concrete floor (10)。
2. a kind of connection structure of replaceable small span-depth ratio steel deep beam according to claim 1, which is characterized in that dissipative links Section end plate (4) is fixedly connected by friction type high strength bolt (5) with steel deep beam end plate (3).
3. a kind of connection structure of replaceable small span-depth ratio steel deep beam according to claim 1, which is characterized in that dissipative links Several active beam link ribbed stiffeners (2) are provided in section (1).
4. a kind of connection structure of replaceable small span-depth ratio steel deep beam according to claim 1, which is characterized in that steel deep beam (6) several steel deep beam ribbed stiffeners (6) are provided on.
5. a kind of connection structure of replaceable small span-depth ratio steel deep beam according to claim 1, which is characterized in that steel deep beam The thickness of end plate (3) is greater than the thickness of active beam link end plate (4).
6. a kind of connection structure of replaceable small span-depth ratio steel deep beam according to claim 1, which is characterized in that frame barrel mast (8) several frame barrel mast ribbed stiffeners (9) are provided on.
7. a kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam described in claim 1, which is characterized in that The following steps are included:
Step 1 is welded to connect steel deep beam (6) in the side of frame barrel mast (8);
Step 2 welds steel deep beam end plate (3) on the end face of steel deep beam (6), welds consumption in two end faces of active beam link (1) It can beam section end plate (4);
Step 3, active beam link (1) are fixed between two steel deep beams (6), so that the depth of section of active beam link (1) is less than steel deep The depth of section of beam (6);
Step 4, in the top flange casting concrete floor (10) of steel deep beam (6).
8. a kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam according to claim 7, feature It is, the soldering frame barrel mast ribbed stiffener (9) on frame barrel mast (8), the height of frame barrel mast ribbed stiffener (9) and steel deep beam (6) edge of a wing are flat Together;
Steel deep beam ribbed stiffener (7) are welded on steel deep beam (6), steel deep beam ribbed stiffener (7) is equal with the edge of a wing of active beam link (1) Together;
Active beam link ribbed stiffener (2) are welded on the web of active beam link (1).
9. a kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam according to claim 7, feature It is, the top flange and lower flange of active beam link (1) use full penetration single bevel groove pair with active beam link end plate (4) respectively Welding seam, and commissure is provided with run-on tab;The web of active beam link (1) is connect with active beam link end plate (4) using fillet weld.
10. a kind of installation method of the connection structure of replaceable small span-depth ratio steel deep beam according to claim 7, feature It is, in step 3, friction type high strength bolt end plate connection form is used between active beam link (1) and two steel deep beams (6) It is fixedly connected.
CN201811063655.8A 2018-09-12 2018-09-12 A kind of connection structure and installation method of replaceable small span-depth ratio steel deep beam Pending CN109057069A (en)

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Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09256458A (en) * 1996-03-19 1997-09-30 Ohbayashi Corp Vibration control structure
CN201713963U (en) * 2010-06-04 2011-01-19 同济大学 Replaceable connecting beam
KR20110041079A (en) * 2009-10-15 2011-04-21 부산대학교 산학협력단 Ductility increasing shear wall system
CN102644358A (en) * 2012-04-24 2012-08-22 清华大学 Steel coupling beam capable of being replaced after strong earthquake
CN202644774U (en) * 2012-04-24 2013-01-02 清华大学 Replaceable steel coupling beam
CN104047367A (en) * 2014-06-26 2014-09-17 清华大学 Novel connecting structure capable of achieving replacement of steel coupling beams
CN204040209U (en) * 2014-06-26 2014-12-24 清华大学 A kind of syndeton of replaceable steel coupling beam
CN107605224A (en) * 2017-10-20 2018-01-19 广州大学 A kind of double rank surrender power consumption coupling beams
CN207453606U (en) * 2017-10-20 2018-06-05 广州大学 A kind of replaceable double rank surrender energy consumption stainless steel coupling beams
CN108487465A (en) * 2018-06-14 2018-09-04 华东建筑设计研究院有限公司 A kind of connecting node of the replaceable active beam link of accentric support steel construction

Patent Citations (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH09256458A (en) * 1996-03-19 1997-09-30 Ohbayashi Corp Vibration control structure
KR20110041079A (en) * 2009-10-15 2011-04-21 부산대학교 산학협력단 Ductility increasing shear wall system
CN201713963U (en) * 2010-06-04 2011-01-19 同济大学 Replaceable connecting beam
CN102644358A (en) * 2012-04-24 2012-08-22 清华大学 Steel coupling beam capable of being replaced after strong earthquake
CN202644774U (en) * 2012-04-24 2013-01-02 清华大学 Replaceable steel coupling beam
CN104047367A (en) * 2014-06-26 2014-09-17 清华大学 Novel connecting structure capable of achieving replacement of steel coupling beams
CN204040209U (en) * 2014-06-26 2014-12-24 清华大学 A kind of syndeton of replaceable steel coupling beam
CN107605224A (en) * 2017-10-20 2018-01-19 广州大学 A kind of double rank surrender power consumption coupling beams
CN207453606U (en) * 2017-10-20 2018-06-05 广州大学 A kind of replaceable double rank surrender energy consumption stainless steel coupling beams
CN108487465A (en) * 2018-06-14 2018-09-04 华东建筑设计研究院有限公司 A kind of connecting node of the replaceable active beam link of accentric support steel construction

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