CN106285147A - Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure - Google Patents
Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure Download PDFInfo
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- CN106285147A CN106285147A CN201610905274.4A CN201610905274A CN106285147A CN 106285147 A CN106285147 A CN 106285147A CN 201610905274 A CN201610905274 A CN 201610905274A CN 106285147 A CN106285147 A CN 106285147A
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- surrender
- rank
- power consumption
- girder
- wall structure
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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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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Environmental & Geological Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
A kind of removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, it is provided that another kind is applied to removable pair of rank surrender power consumption steel Design of Connecting Beam implementation of Coupled Shear Wall structure.Also 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 simultaneously, and the power consumption effect more strengthened can be played under rarely occurred earthquake.Including the overcoat I-beam (1) that the double web shear yielding in the first rank occurs, there is the core plate-girder (2) of second-order bending surrender, connect core plate-girder (2) and the beam-ends end plate (3) of overcoat I-beam (1) of bending surrender, connect described beam-ends end plate (3) and be embedded in the high-strength bolt (5) of the internal straight cutting beam section (6) of wall limb.There is double webs (12) shear yielding on the first rank in described overcoat I-beam (1).Described overcoat I-beam (1) passes through techniques below constitution realization the first rank shear yielding function.
Description
Technical field
The present invention relates to architectural engineering and structural seismic technical field, particularly relate to one and be applied to Coupled Shear Wall knot
Removable pair of rank surrender power consumption steel coupling beam of structure.
Background technology
Modern city has numerous high level, super high rise structure.High-rise, super high rise structure is for solving in modern city
Certainly land used is nervous, plays Modern Urban Functions, one of main architectural style that embodiment modern city style and features is used.Skyscraper
The horizontal earthquake action born and wind load are relatively big, the principal element that lateral rigidity controls when becoming structure design, and reinforcing bar mixes
Solidifying soil shear wall is good due to overall performance, and anti-lateral rigidity is big, and bearing capacity is high, the features such as sidesway is little under horizontal loads,
Skyscraper is widely used.Coupling beam is the consumption of the contact two panels wall limb of shear wall structure or frame shear wall structure
Can component.Traditional coupling beam typically uses reinforced concrete coupling beams, but due to building demand, it is past that reinforced concrete coupling beams designs
Less toward span-depth radio, easily cause the failure by shear of reinforced concrete coupling beams, affect ductility and the energy dissipation capacity of coupling beam, too early
Destruction make coupling beam can not play the effect of antidetonation the first line of defence by the design object looked 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, by steel coupling beam
It is combined into mixing Coupled Shear Wall with reinforced concrete wall limb.Research finds, steel Design of Connecting Beam is the hysteresis loop of shear yielding
The fullest, ductility and energy dissipation capacity are significantly better than the concrete connecting-beam of traditional reinforcing bar.General steel Design of Connecting Beam is rare chance
Power consumption effect is played under 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 by concrete even mostly
One section of energy dissipating beam section is replaced with in the middle part of beam.Such way is disadvantageous in that being merely able to meet coupling beam bends under frequently occurred earthquake
Clothes play the effect of additional damping ratio, can not play coupling beam and connect the coupling effect of two panels wall limb after power consumption surrender, and seldom
Meet and can not play power consumption effect further under earthquake.
Closest to prior art, Publication No. 104805958A Chinese invention patent application, " it is applied to Coupled Shear Wall knot
Double rank surrender power consumption steel coupling beam of structure ", this patent documentation proposes a kind of removable pair of rank being applied to Coupled Shear Wall structure
Surrender power consumption steel coupling beam, has the function that can play power consumption offer additional damping ratio under frequently occurred earthquake, also can play conduct
The coupling effect of coupling beam, and the power consumption effect more strengthened can be played under rarely occurred earthquake.In addition, this is applied to join limb
Removable pair of rank surrender power consumption steel coupling beam of shear wall structure, can change equally when repairing after shake, promote building
Rapid repair ability after macroseism.
This be applied to Coupled Shear Wall structure double rank surrender power consumption steel coupling beam, it is achieved technical scheme be: include occur
The shear yielding plate-girder of the first rank shear yielding, and there is the bending surrender I-beam of second-order bending surrender, and connection is sheared
Surrender plate-girder and the beam-ends end plate of bending surrender I-beam, described shear yielding plate-girder is enclosed within described bending surrender I-beam
Portion, both use butt weld to be welded on described beam-ends end plate；Height with the beam section connected at described beam-ends end plate and node
Strength bolt；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；
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；Institute
The middle part stating plasticity shear yielding power consumption district carries out circular arc chamfering weakening in short transverse；Described bending surrender I-beam comprises end
The edge of a wing that portion's dog bone type processes and double webs, the most also include be clipped between plasticity shear yielding power consumption district and double web two
Block is filled out, and prevents the vertical ribbed stiffener of the outer unstability of double web surface.
Summary of the invention
It is an object of the invention to provide another kind and be applied to removable pair of rank surrender power consumption of Coupled Shear Wall structure
Steel Design of Connecting Beam implementation.Equally, this is applied to removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure, also
There is the function that can play power consumption offer additional damping ratio under frequently occurred earthquake, also can play the coupling as coupling beam simultaneously and make
With, and the power consumption effect more strengthened can be played under rarely occurred earthquake.In addition, this is applied to Coupled Shear Wall structure
Removable pair of rank surrender power consumption steel coupling beam, can change when repairing after shake too, and promote after building macroseism is fast
Speed repair ability.
In order to achieve the above object, the present invention adopts the following technical scheme that and is characterized as:
A kind of removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure, including
There is the overcoat I-beam (1) of the double web shear yielding in the first rank,
There is the core plate-girder (2) of second-order bending surrender,
Connect core plate-girder (2) and the beam-ends end plate (3) of overcoat I-beam (1) of bending surrender,
Connect described beam-ends end plate (3) and be embedded in the high-strength bolt (5) of the internal straight cutting beam section (6) of wall limb.
There is double webs (12) shear yielding on the first rank in described overcoat I-beam (1).
Further, described overcoat I-beam (1) passes through techniques below constitution realization the first rank shear yielding function.
Described overcoat I-beam (1) comprises the edge of a wing (11) that dog bone type processes and the double webs using Low Yield Point Steel to make
(12)。
Described pair of web (12) uses Low Yield Point Steel to make, when there is detrusion under geological process in coupling beam, and double abdomens
First there is shear yielding in plate (12), as the first rank yield point.
The upper longitudinally disposed multiple tracks of the described pair of web (12) is put more energy into floor (4), prevents from going out when there is the first rank shear yielding
Unstability outside existing face.
There is the bending surrender of second-order in described bending surrender core plate-girder (2).
Further, described bending surrender core plate-girder (2) is by techniques below constitution realization second-order bending surrender merit
Energy.
Described bending surrender core plate-girder (2) elastic region (21) that comprises two ends and middle part open parabola shaped hole or rhombus
The plastic bending yield region (22) in hole.
Described bending surrender core plate-girder (2) uses the steel of ordinary steel or high yield strength to make.
The plastic bending yield region (22) at described bending surrender core plate-girder (2) middle part, by opening parabola shaped hole or Pedicellus et Pericarpium Trapae
The mode in shape hole, forms the multiple parabola shaped or bent stick of rhombus variable cross-section, makes coupling beam when bearing detrusion, bends
There is to bend uniformly surrender along bar length direction in bar, expands the distribution of plastic zone, strengthens energy dissipation capacity.
Described pair of web (12) is used for stepping up described bending surrender core plate-girder (2), is being occurred second-order curved by preventing it
During bent surrender, unstability outside face occurs.
Further, removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure it is applied to described in by following
Scheme realizes removable function.
Described bending surrender core plate-girder (2) and described overcoat I-beam (1), be welded on described beam-ends by butt weld
After end plate (3) is upper and be embedded in after the described straight cutting beam section (6) wall limb within welds described beam-ends end plate (3), then pass through high-strength spiral shell
Bolt (5) connects, and reaches removable function with this.
Feature of the present invention:
1) construction makes simple.The present invention is with steel as raw material, and core plate-girder (2) and double web shear yieldings are surrendered in bending
Overcoat I-beam (1) can be respectively in factory process.Both critical pieces are the form of steel plate, it is only necessary to simply cut
Operation 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 is meeting ground more
There is shear yielding in shake lower pair of web (12) of Cyclic Loading, and owing to double webs mainly undertake shearing action plastic zone ratio
Relatively big, energy dissipation capacity is notable.Under frequently occurred earthquake, bending surrender core plate-girder (2) keeps elasticity to maintain coupling beam as structure structure
The coupling effect of part.
3) rarely occurred earthquake effect energy dissipation capacity is strong.Under rarely occurred earthquake effect, two rank surrenders occur simultaneously, double webs (12)
Shear yielding and the bending surrender of the multiple bent stick in middle part of bending surrender core board word beam (1) is common occurs, energy dissipation
Force rate can only have the much bigger of single dissipative member.
4) present invention can change after severe earthquake action, it is achieved the quick reparation of coupling beam function, thus realizes building structure
The fast restoration capabilities of function after shake.
Accompanying drawing explanation
Fig. 1 is removable pair of rank surrender the power consumption elevation of steel coupling beam, B-B sectional view, A-A sectional view of the present invention
Fig. 2 is core plate-girder and C-C cuts open figure
Fig. 3 is the side view of overcoat I-beam
Fig. 4 is overcoat I-beam front view and D-D cuts open figure
Fig. 5 is the schematic diagram applying apparatus of the present invention in Coupled Shear Wall
Fig. 6 is the partial enlarged drawing of Fig. 5
Fig. 7 is double rank yield point schematic diagram in load-displacement curve of the present invention
Label declaration in figure
1 overcoat I-beam
The edge of a wing that 11 dog bone types process
12 pairs of webs
2 bending surrender core plate-girders
21 plastic bending surrender power consumption districts
The elastic region at 22 two ends
3 beam-ends end plates
4 put more energy into floor
5 high-strength bolts
6 straight cutting beam section
Detailed description of the invention
By particular specific embodiment, embodiments of the present invention being described below, those skilled in the art can be by this explanation
Content disclosed by book understands other advantages and effect of the present invention easily.
Refer to Fig. 1 to Fig. 7.It should be clear that structure depicted in this specification institute accompanying drawings, ratio, size etc., the most only in order to
Coordinating the content disclosed in description, understand for those skilled in the art and read, being not limited to the present invention can be real
The qualifications executed, therefore do not have technical essential meaning, the modification of any structure, the change of proportionate relationship or the tune of size
Whole, under not affecting effect that the present invention can be generated by and the purpose that can reach, all should still fall in disclosed skill
In the range of art content obtains and can contain.Meanwhile, in this specification cited as " on ", D score, "left", "right", " middle " and
The term of " one " etc., is merely convenient to understanding of narration, and is not used to limit the enforceable scope of the present invention, its relativeness
It is altered or modified, is changing under technology contents without essence, when being also considered as the enforceable category of the present invention.
As shown in Figures 1 to 7, concrete installation procedure of processing is:
First processing and fabricating bending surrender core plate-girder (2), then uses butt weld that plate-girder two ends are welded in beam-ends
On end plate.
Ribbed stiffener (4) 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 (5) to dock with straight cutting beam section (6).
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, double webs (12) of overcoat I-beam (1) are owing to using Low Yield Point Steel to make, and hold
Load overwhelming majority shearing action, therefore it is under coupling beam shearing action, the first rank shear yielding will occur, but now bending is bent
The core plate-girder (2) of clothes still keeps elastic stage to provide coupling effect.
Under rarely occurred earthquake, the elastic region, two ends (22) of the core plate-girder of bending surrender is due to the wing with overcoat I-beam (1)
Edge welds, and therefore rigidity very die elastic deformation is less, and diamond hole or parabola shaped is opened in plastic bending surrender power consumption district (21)
Kong Hou, the bent stick of formation, under the shearing action suffered by coupling beam, will occur second-order bending surrender.Shear plus the first rank and bend
Double web shear yieldings of clothes, energy dissipation capacity now 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, install new
Steel coupling beam, makes the function of structure recover as early as possible, reduces the economic loss that earthquake causes, and recovers the use function of building structure.
Claims (9)
1. a retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure, it is characterised in that bag
Include
There is the overcoat I-beam (1) of the double web shear yielding in the first rank,
There is the core plate-girder (2) of second-order bending surrender,
Connect overcoat I-beam (1) and the beam-ends end plate (3) of core plate-girder (2),
Connect described beam-ends end plate (3) and be embedded in the high-strength bolt (5) of the internal straight cutting beam section (6) of wall limb.
Core plate-girder (2) elastic region (22) that comprises two ends of described bending surrender and middle part open parabolic string holes and diamond hole
Plastic bending yield region (21).
Described overcoat I-beam (1) comprises the edge of a wing (11) and the double web (12) that end dog bone type processes,
In addition, also include preventing the vertical ribbed stiffener (4) of unstability outside double web (12) face.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, it is internal that the core plate-girder (2) of described bending surrender is enclosed within described overcoat I-beam (1), between the two, the most described curved
The elastic region, two ends (22) of the core plate-girder (2) of bent surrender is welded on the edge of a wing (11) of described overcoat I-beam (1), except this it
Outward, without any connection between core plate-girder (2) and the overcoat I-beam (1) of bending surrender.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, it is internal that the core plate-girder (2) of described bending surrender is enclosed within described overcoat I-beam (1), and both use butt weld
It is welded on described beam-ends end plate (3).
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, described plastic bending yield region (21) opens parabola shaped hole or diamond hole, formed multiple parabola variable cross-section or
The bent stick of rhombus variable cross-section.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, double webs (12) of described overcoat I-beam (1) use low-yield steel to make, for occurring the first rank to shear
Surrender.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, the core plate-girder (2) of described bending surrender uses ordinary steel or high yield strength steel to make, plastic bending in the middle part of it
Yield region (21) bends surrender as second-order surrender.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
It is characterised by that the edge of a wing (11) that the end dog bone type that described overcoat I-beam (1) comprises processes is used for protecting end weld.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
It is characterised by, after described bending surrender plate-girder (2) and described overcoat I-beam (1) connect with described beam-ends end plate (3), then passes through
Described high-strength bolt (5) is connected with the straight cutting beam section (6) being embedded within wall limb.
The removable pair of rank surrender power consumption steel coupling beam being applied to Coupled Shear Wall structure the most according to claim 1, its
Being characterised by, the longitudinally disposed multiple tracks described pair of web (12) is put more energy into floor (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905274.4A CN106285147A (en) | 2016-10-17 | 2016-10-17 | Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610905274.4A CN106285147A (en) | 2016-10-17 | 2016-10-17 | Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
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| Publication Number | Publication Date |
|---|---|
| CN106285147A true CN106285147A (en) | 2017-01-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610905274.4A Pending CN106285147A (en) | 2016-10-17 | 2016-10-17 | Retrofit application is in removable pair of rank surrender power consumption steel coupling beam of Coupled Shear Wall structure |
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| CN (1) | CN106285147A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278032A (en) * | 2017-01-06 | 2018-07-13 | 上海蓝科建筑减震科技股份有限公司 | Anti-buckling metal energy dissipation component, shear wall structure and coupling beam structure |
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| CN201713963U (en) * | 2010-06-04 | 2011-01-19 | 同济大学 | Replaceable connecting beam |
| CN204298978U (en) * | 2014-12-04 | 2015-04-29 | 郭小康 | Two rank power consumption steel coupling beam |
| CN204356931U (en) * | 2014-12-17 | 2015-05-27 | 青岛理工大学 | Semi-through joint coupling beam |
| CN204491884U (en) * | 2015-02-13 | 2015-07-22 | 海南大学 | Coupling beam energy-dissipating device |
| CN104805958A (en) * | 2015-04-02 | 2015-07-29 | 同济大学 | Bi-stage yielding energy dissipation steel coupling beam applied to coupled shear wall structure |
| CN105735503A (en) * | 2016-02-22 | 2016-07-06 | 同济大学 | Energy consumption steel column system with replaceable hysteretic dampers |
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2016
- 2016-10-17 CN CN201610905274.4A patent/CN106285147A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3838428B2 (en) * | 2002-03-27 | 2006-10-25 | 豊田合成株式会社 | Housing vibration control device |
| CN201713963U (en) * | 2010-06-04 | 2011-01-19 | 同济大学 | Replaceable connecting beam |
| CN204298978U (en) * | 2014-12-04 | 2015-04-29 | 郭小康 | Two rank power consumption steel coupling beam |
| CN204356931U (en) * | 2014-12-17 | 2015-05-27 | 青岛理工大学 | Semi-through joint coupling beam |
| CN204491884U (en) * | 2015-02-13 | 2015-07-22 | 海南大学 | Coupling beam energy-dissipating device |
| CN104805958A (en) * | 2015-04-02 | 2015-07-29 | 同济大学 | Bi-stage yielding energy dissipation steel coupling beam applied to coupled shear wall structure |
| CN105735503A (en) * | 2016-02-22 | 2016-07-06 | 同济大学 | Energy consumption steel column system with replaceable hysteretic dampers |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108278032A (en) * | 2017-01-06 | 2018-07-13 | 上海蓝科建筑减震科技股份有限公司 | Anti-buckling metal energy dissipation component, shear wall structure and coupling beam structure |
| CN108278032B (en) * | 2017-01-06 | 2024-04-19 | 上海蓝科建筑减震科技股份有限公司 | Buckling-restrained metal energy dissipation member, shear wall structure and connecting beam structure |
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Application publication date: 20170104 |