CN104805958B - It is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure - Google Patents
It is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure Download PDFInfo
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- CN104805958B CN104805958B CN201510152998.1A CN201510152998A CN104805958B CN 104805958 B CN104805958 B CN 104805958B CN 201510152998 A CN201510152998 A CN 201510152998A CN 104805958 B CN104805958 B CN 104805958B
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Abstract
The present invention relates to architectural engineering and structural seismic technical field, particularly relate to a kind of double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure.Including the shear yielding plate-girder that the first rank shear yielding occurs, with the bending surrender I-beam that second-order bending surrender occurs, with the beam-ends end plate connecting shear yielding plate-girder with bend surrender I-beam, described shear yielding plate-girder is enclosed within inside described bending surrender I-beam；Described shear yielding plate-girder comprises the elastic region of the approximation rigidity at two ends and the plasticity shear yielding power consumption district at middle part；Described bending surrender I-beam comprises the edge of a wing and the double web that end dog bone type processes, power consumption can be played under frequently occurred earthquake the function of additional damping ratio is provided, also can play the coupling effect as coupling beam, and the power consumption effect more strengthened can be played under rarely occurred earthquake.Can change equally when repairing after shake, promote the rapid repair ability after building macroseism.
Description
Technical field
The present invention relates to architectural engineering and structural seismic technical field, particularly relate to a kind of removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure.
Background technology
Modern city has numerous high level, super high rise structure.High level, super high rise structure are nervous for solving land used in modern city, play Modern Urban Functions, one of main architectural style that embodiment modern city style and features is used.Horizontal earthquake action and wind load that skyscraper is born are bigger, the principal element that lateral rigidity controls when becoming structure design, reinforced concrete shear wall is good due to overall performance, anti-lateral rigidity is big, bearing capacity is high, the features such as sidesway is little under horizontal loads, are widely used in skyscraper.Coupling beam is the dissipative member of the contact two panels wall limb of shear wall structure or frame shear wall structure.Traditional coupling beam typically uses reinforced concrete coupling beams, but due to building demand, the often span-depth radio of reinforced concrete coupling beams design is less, easily cause the failure by shear of reinforced concrete coupling beams, affecting ductility and the energy dissipation capacity of coupling beam, too early destruction makes coupling beam can not play the effect of antidetonation the first line of defence according to design object in advance.
In recent years, the U.S., Canada and New Zealand etc. are national uses steel coupling beam to replace reinforced concrete coupling beams, steel coupling beam and reinforced concrete wall limb are combined into mixing Coupled Shear Wall.Research finds, steel Design of Connecting Beam is that the hysteresis loop of shear yielding is the fullest, and ductility and energy dissipation capacity are significantly better than the concrete connecting-beam of traditional reinforcing bar.General steel Design of Connecting Beam is performance power consumption effect under rarely occurred earthquake, but due to the demand of architectural design, it is desirable to arch surrender power consumption effect will be proposed under frequently occurred earthquake.
The most a lot of scholars have developed a lot of removable power consumption coupling beam, and the feature of these coupling beams is will to replace with one section of energy dissipating beam section in the middle part of concrete connecting-beam mostly.Such way is disadvantageous in that being merely able to meet coupling beam surrenders the effect playing additional damping ratio under frequently occurred earthquake, can not play coupling beam after power consumption surrender and connect the coupling effect of two panels wall limb, and can not play power consumption effect under rarely occurred earthquake further.
Summary of the invention
The shortcoming of prior art in view of the above, it is an object of the invention to provide a kind of removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, there is the function that can play power consumption offer additional damping ratio under frequently occurred earthquake, also can play the coupling effect as coupling beam, and the power consumption effect more strengthened can be played under rarely occurred earthquake.In addition, this is applied to removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure, can change equally, promote the rapid repair ability after building macroseism when repairing after shake.
In order to achieve the above object, the present invention adopts the following technical scheme that
One,
A kind of double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, it is characterised in that
Including the shear yielding plate-girder (2) of the first rank shear yielding occurs,
I-beam (1) is surrendered with the bending that second-order bending surrender occurs,
With connection shear yielding plate-girder (2) and the beam-ends end plate (3) of bending surrender I-beam (1), it is internal that described shear yielding plate-girder (2) is enclosed within described bending surrender I-beam (1), and both use butt weld to be welded on described beam-ends end plate (3)；
High-strength bolt (6) with the beam section (7) connected at described beam-ends end plate (3) and node；
Described shear yielding plate-girder (2) comprises the elastic region (22) of the approximation rigidity at two ends and plasticity shear yielding power consumption district (21) at middle part；
The elastic region (22) of described approximation rigidity uses high yield strength steel to make, for providing the function of the first rank surrender rigidity；
The middle part of described plasticity shear yielding power consumption district (21) carries out circular arc chamfering weakening in short transverse；
Described bending surrender I-beam (1) comprises the edge of a wing (11) and the double web (12) that end dog bone type processes,
The most also include the two pieces of fill plates (4) being clipped between plasticity shear yielding power consumption district (21) and double web (12), and prevent the vertical ribbed stiffener (5) of unstability outside double web (12) face.
Two,
There is the shear yielding on the first rank plastic yielding power consumption district (21) in described shear yielding plate-girder (2).Further, described shear yielding plate-girder (2) passes through techniques below constitution realization the first rank shear yielding function.
Described shear yielding plate-girder (2) comprises the elastic region (22) of the approximation rigidity at two ends and plasticity shear yielding power consumption district (21) at middle part.
Described plastic yielding power consumption district (21) height is the most identical with the elastic region (22) of approximation rigidity, and uses butt weld to connect.
The thickness of described plastic yielding power consumption district (21) is generally less than or equal to the thickness of the elastic region (22) of approximation rigidity.
The steel that described plastic yielding power consumption district (21) uses are lower than the steel yield point that the elastic region (22) of approximation rigidity uses, and use Low Yield Point Steel to make.
Described plastic yielding power consumption district (21) be shaped like an I-shaped put upside down, do circular arc chamfering by middle part and weaken different bearing capacity is provided, make plasticity detrusion concentrate on weakening position simultaneously and occur.
Three,
There is the bending surrender of second-order beam-ends in described bending surrender I-beam (1).Further, described bending surrender I-beam (1) is by techniques below constitution realization second-order beam-ends bending surrender function.
Described bending surrender I-beam (1) comprises the edge of a wing (11) and the double web (12) that end dog bone type processes.
The edge of a wing (11) that described end dog bone type processes uses dog bone type to process the butt weld of protection and beam-ends end plate (3) junction.
Described bending surrender I-beam (1) uses the steel of high yield strength to make, and is allowed to beam-ends bending surrender by design.
Four,
Further, the removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure described in realizes removable function by below scheme.
Described shear yielding plate-girder (2) and described bending surrender I-beam (1), by butt weld be welded on described beam-ends end plate (3) upper after and after beam section (7) welds described beam-ends end plate (3), connected by high-strength bolt (6) again, reach removable function with this.
Beam section (7) at described node can directly in be embedded in inside wall limb, it is also possible to after being connected with shaped steel column, then column is embedded in inside wall limb.
The present invention compared with prior art, has the following advantages:
1) construction makes simple.The present invention is with steel as raw material, and shear yielding plate-girder (2) can be respectively in factory process with bending surrender I-beam (1).Plastic yielding power consumption district (1) is connected by butt weld with the elastic region (22) of approximation rigidity, can on-the-spot or factory's fabrication and installation.Plastic yielding power consumption district (1) is the form of steel plate with the elastic region (22) of approximation rigidity, it is only necessary to simple cutting i.e. can complete, easy to process.
2) power consumption effect can be played under frequently occurred earthquake and also can play structure function.The invention can ensure that coupling beam plastic yielding power consumption district (21) under frequently occurred earthquake Cyclic Loading occurs shear yielding, and make deformation concentrate on plastic yielding power consumption district (21), strengthen energy dissipation capacity.Under frequently occurred earthquake, bending surrender I-beam (1) keeps elasticity to maintain coupling beam as the coupling effect of structural elements.
3) rarely occurred earthquake effect energy dissipation capacity is strong.Under rarely occurred earthquake effect, two rank surrenders occur simultaneously, and the shear yielding of plastic yielding power consumption district (21) occurs energy dissipation capability than only having the much bigger of single dissipative member jointly with the bending surrender of bending surrender I-beam (1).
4) present invention can change after severe earthquake action, it is achieved the quick reparation of coupling beam function, thus the fast restoration capabilities of function after realizing building structure shake.
Accompanying drawing explanation
Fig. 1 is facade and the left view schematic diagram that the present invention is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure.
Fig. 2 is the top view of Fig. 1.
Fig. 3 is the schematic diagram applying the present invention in Coupled Shear Wall structure.
Fig. 4 is yield point signal in the most double rank in load-displacement curve of the present invention.
Label declaration in figure
1 bending surrender I-beam
The edge of a wing that 11 dog bone types process
12 pairs of webs
2 shear yielding plate-girders
21 plasticity shear yielding power consumption districts
The elastic region of 22 approximation rigidity
3 beam-ends end plates
4 fill plates
5 vertical ribbed stiffeners
6 high-strength bolts
Overhanging beam section at 7 nodes
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be understood other advantages and effect of the present invention easily by the content disclosed by this specification.
Refer to Fig. 1 to Fig. 2.Notice, structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to coordinate the content disclosed in description, understand for those skilled in the art and read, it is not limited to the enforceable qualifications of the present invention, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the adjustment of size, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in the range of disclosed technology contents obtains and can contain.Simultaneously, in this specification cited as " on ", D score, "left", "right", the term of " middle " and " " etc., it is merely convenient to understanding of narration, and it is not used to limit the enforceable scope of the present invention, being altered or modified of its relativeness, changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
One,
As shown in Figure 1 to Figure 2, the present invention is a kind of removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, is applied in high level or super-high building structure, and its structural characterization is:
Including the shear yielding plate-girder (2) of the first rank shear yielding occurs,
I-beam (1) is surrendered with the bending that second-order bending surrender occurs,
With connect shear yielding plate-girder (2) and bending surrender I-beam (1) beam-ends end plate (3),
With the described beam-ends end plate (3) of connection and the high-strength bolt (6) of beam section (7).
Described shear yielding plate-girder (2) comprises the elastic region (22) of the approximation rigidity at two ends and plasticity shear yielding power consumption district (21) at middle part.The middle part of described plasticity shear yielding power consumption district (21) carries out circular arc chamfering weakening in short transverse, entirety makes the similar I-shaped (as shown in Figure 1) put upside down, meets different surrender bearing capacity demands with this on the premise of preventing stress from concentrating；
Described bending surrender I-beam (1) comprises the edge of a wing (11) and the double web (12) that end dog bone type processes,
In addition present invention additionally comprises the two pieces of fill plates (4) being clipped between plasticity shear yielding power consumption district (21) and double web (12), and prevent the vertical ribbed stiffener (5) of unstability outside double web (12) face.
The cross-sectional shape of the elastic region (22) of described approximation rigidity is rectangle, and highly gradient, the lowest the closer to middle height, with this avoid occur detrusion time with described bending surrender I-beam (1) the edge of a wing (11) collision.
Described pair of web (12) is used for stepping up described shear yielding plate-girder (2), owing to described plastic yielding power consumption district (21) thickness is less than the elastic region (22) of described approximation rigidity, add two pieces of fill plates (4) so that double web (12) clamping plastic yielding power consumption district (21), prevent the outer unstability of its generating plane.
To sum up, the present invention should be applied to the removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure, including the shear yielding plate-girder of the first rank shear yielding occurs, and the bending surrender I-beam of second-order bending surrender occurs.Shear yielding plate-girder mainly includes two parts, and one is the elastic region of two ends approximation rigidity, makes with the steel of high yield strength；Two is plasticity shear yielding power consumption district, middle part, makes with the steel of low-yield.Bending surrender I-beam comprises the edge of a wing, double web, all makes with the steel of high yield strength.Shear yielding plate-girder is enclosed within inside bending surrender I-beam, each other without connecting.Shear yielding plate-girder is welded on beam-ends end plate with bending surrender I-beam.Through above-mentioned rational design, it is ensured that this pair of rank surrender power consumption coupling beam occurs the middle part plasticity shear yielding power consumption district surrender of the first rank surrender, i.e. shear zone web beam under frequently occurred earthquake effect；Second-order surrender, the i.e. beam-ends of bending surrender I-beam is occurred to bend surrender under rarely occurred earthquake.This pair of rank surrender power consumption coupling beam is connected with the interior I-beam being inserted within wall limb by the high-strength bolt of end plate, can change after macroseism.This pair of rank surrender power consumption coupling beam simple structure, under frequently occurred earthquake, the first rank shear yielding provides additional damping ratio, bending surrender I-beam not to surrender the coupling effect providing connection wall limb；Under rarely occurred earthquake, there is second-order surrender, play the effect of shear wall structure first anti-vibration defense lines.This pair of rank surrender power consumption steel coupling beam meets the structure multiple demand under frequently occurred earthquake with rarely occurred earthquake, and replaceable, and energy dissipation capacity is strong, has broad application prospects.
Two,
Concrete installation procedure of processing is:
First processing and fabricating shear yielding plate-girder (2), then uses butt weld to be welded on beam-ends end plate at plate-girder two ends.
Vertical ribbed stiffener (5) is welded on double web (12).
Then the double web (12) of welding is on end plate (3), uses butt welding or angle welding.
Then angle welding is used upper lower flange (11) to be welded with double webs (12), and and end plate (3) welding.
Final end plate perforate uses high-strength bolt (6) to dock with straight cutting beam section.
So far the removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure machines.
Under frequently occurred earthquake effect, the elastic region (22) of approximation rigidity is less due to rigidity very die elastic deformation, and its shearing relative deformation of plastic yielding power consumption district (21) is bigger, there is the plasticity shear yielding on the first rank, but now bending surrender I-beam (2) still keeps elastic stage to provide coupling effect.The elastic region of described approximation rigidity, specifically can be defined to: its detrusion rigidity is more than more than 3 times of plastic zone detrusion rigidity.
Under rarely occurred earthquake, the beam-ends that plastic yielding power consumption district (21) surrenders I-beam (2) with bending is all surrendered, and surrenders as second-order, and energy dissipation capacity substantially becomes big, makes structure avoid greatly and shakes the collapse that lower generation is serious.
After macroseism, so the high-strength bolt at coupling beam end plate can be unloaded if coupling beam occurs to destroy, new steel coupling beam is installed, makes the function of structure recover as early as possible, reduce the economic loss that earthquake causes, recover the use function of building structure.
Claims (7)
1. the double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, it is characterised in that
Including the shear yielding plate-girder (2) of the first rank shear yielding occurs,
I-beam (1) is surrendered with the bending that second-order bending surrender occurs,
With connection shear yielding plate-girder (2) and the beam-ends end plate (3) of bending surrender I-beam (1), described shear yielding plate-girder (2)
Being enclosed within described bending surrender I-beam (1) internal, both use butt weld to be welded on described beam-ends end plate (3)；
High-strength bolt (6) with the beam section (7) connected at described beam-ends end plate (3) and node；
Described shear yielding plate-girder (2) comprises the elastic region (22) of the approximation rigidity at two ends and the plasticity shear yielding power consumption at middle part
District (21)；
The elastic region (22) of described approximation rigidity uses high yield strength steel to make, for providing the function of the first rank surrender rigidity；
The middle part of described plasticity shear yielding power consumption district (21) carries out circular arc chamfering weakening in short transverse；
Described bending surrender I-beam (1) comprises the edge of a wing (11) and the double web (12) that end dog bone type processes,
The most also include the two pieces of fill plates (4) being clipped between plasticity shear yielding power consumption district (21) and double web (12), and
Prevent the vertical ribbed stiffener (5) of unstability outside double web (12) face.
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that described
The thickness of plastic yielding power consumption district (21) is more than or equal to the thickness of described approximation rigid elastic district (22).
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that described
The elastic region (22) of approximation rigidity is connected by butt weld with described plastic yielding power consumption district (21), the bullet of approximation rigidity
Property district (22) rigidity be gradual change, the lowest the closer to middle height, butt weld junction approximation rigidity elastic region
(22) identical with the height of plastic yielding power consumption district (21).
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that described
The edge of a wing (11) and double web (12) that the end dog bone type that bending surrender I-beam (1) comprises processes all use high surrender
Point steel make.
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that described
After shear yielding plate-girder (2) and described bending surrender I-beam (1) connect with described beam-ends end plate (3), then pass through institute
State high-strength bolt (6) to be connected with beam section (7).
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that double abdomens
Plate (12) clamps described shear yielding by two pieces of fill plates (4) at the interior thickness weakening of described shear yielding plate-girder (2)
Plate-girder (2) prevents unstability outside its face.
The double rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, it is characterised in that in institute
State the vertical ribbed stiffener of the longitudinally disposed multiple tracks (5) of double web (12).
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| CN201510152998.1A CN104805958B (en) | 2015-04-02 | 2015-04-02 | It is applied to double rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
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| CN104805958B true CN104805958B (en) | 2016-11-16 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105971146A (en) * | 2016-07-01 | 2016-09-28 | 上海赛弗工程减震技术有限公司 | Novel energy dissipation damper |
| CN106285147A (en) * | 2016-10-17 | 2017-01-04 | 上海蓝科建筑减震科技股份有限公司 | Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
| CN107605224A (en) * | 2017-10-20 | 2018-01-19 | 广州大学 | A kind of double rank surrender power consumption coupling beams |
| CN107762227A (en) * | 2017-10-27 | 2018-03-06 | 天津城建大学 | A kind of box-type section power consumption coupling beam |
| CN108952290B (en) * | 2018-09-26 | 2024-03-22 | 清华大学 | Energy dissipation shock absorber structure of overhead single-column station |
| CN112982823B (en) * | 2021-02-27 | 2021-09-28 | 中国地震局工程力学研究所 | Post-earthquake function recoverable coupling beam with bending shear split control energy consumption mechanism |
| CN113585463B (en) * | 2021-09-06 | 2023-01-03 | 兰州理工大学 | Beam column friction energy consumption node |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113525A (en) * | 2003-10-08 | 2005-04-28 | Shimizu Corp | Steel frame beam damper |
| JP2008175004A (en) * | 2007-01-19 | 2008-07-31 | Takenaka Komuten Co Ltd | Seismic response control member and seismic response control building used for boundary beam |
| CN201924479U (en) * | 2010-12-02 | 2011-08-10 | 西安建筑科技大学 | Shear wall structure for low yield point steel coupling beam |
| KR20120074386A (en) * | 2010-12-28 | 2012-07-06 | 주식회사 포스코 | Coupling beam |
| CN102644358A (en) * | 2012-04-24 | 2012-08-22 | 清华大学 | Steel coupling beam capable of being replaced after strong earthquake |
| CN202483027U (en) * | 2012-03-23 | 2012-10-10 | 重庆大学 | Coupled shear wall with end plate bolts and steel coupling beams |
-
2015
- 2015-04-02 CN CN201510152998.1A patent/CN104805958B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005113525A (en) * | 2003-10-08 | 2005-04-28 | Shimizu Corp | Steel frame beam damper |
| JP2008175004A (en) * | 2007-01-19 | 2008-07-31 | Takenaka Komuten Co Ltd | Seismic response control member and seismic response control building used for boundary beam |
| CN201924479U (en) * | 2010-12-02 | 2011-08-10 | 西安建筑科技大学 | Shear wall structure for low yield point steel coupling beam |
| KR20120074386A (en) * | 2010-12-28 | 2012-07-06 | 주식회사 포스코 | Coupling beam |
| CN202483027U (en) * | 2012-03-23 | 2012-10-10 | 重庆大学 | Coupled shear wall with end plate bolts and steel coupling beams |
| CN102644358A (en) * | 2012-04-24 | 2012-08-22 | 清华大学 | Steel coupling beam capable of being replaced after strong earthquake |
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