CN106639457B - A kind of combined wind resistance antidetonation coupling beam sinker - Google Patents

A kind of combined wind resistance antidetonation coupling beam sinker Download PDF

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Publication number
CN106639457B
CN106639457B CN201610922958.5A CN201610922958A CN106639457B CN 106639457 B CN106639457 B CN 106639457B CN 201610922958 A CN201610922958 A CN 201610922958A CN 106639457 B CN106639457 B CN 106639457B
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China
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damper
shaped metal
sinker
wind resistance
steel plate
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CN106639457A (en
Inventor
陈云
刘涛
蒋欢军
万志威
吕西林
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Hainan University
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Hainan University
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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
    • E04H9/14Buildings, or groups of buildings, or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake, extreme climate against other dangerous influences, e.g. tornadoes, floods

Abstract

The invention discloses a kind of combined wind resistance antidetonation coupling beam sinkers, it include: two O-shaped metal dampers, one viscoelastic damper and four bearing beams, two O-shaped metal dampers and the viscoelastic damper are arranged in parallel and the viscoelastic damper is set between two O-shaped metal dampers, the combined wind resistance antidetonation coupling beam sinker is for being arranged between Coupled Shear Wall, the both ends of the O-shaped metal damper pass through the bearing beam respectively and are connected with wall, the both ends of the viscoelastic damper are connected with wall body built-in fitting respectively.The combined wind resistance antidetonation coupling beam sinker structure of the present invention is simple, it is easy to process, energy-dissipating property is good, it is easy for construction, be conducive to shake after repair replacement.

Description

A kind of combined wind resistance antidetonation coupling beam sinker
Technical field
The present invention relates to building structure energy-dissipating and shock-absorbing technical fields, disappear more particularly to a kind of combined wind resistance antidetonation coupling beam It can device.
Background technique
Currently, Coupled Shear Wall structure is widely used in skyscraper, the coupling beam span-depth radio in this class formation it is smaller and Stress is complicated, often by different degrees of damage in earthquake." although technical specification for concrete structures of high-rise building " (JGJ3- 2010) wall limb and coupling beam is required to design according to " strong shear capacity and weak bending capacity " principle, but often because building needs in Practical Project, coupling beam span-depth radio It is smaller, it is not easy to meet the design requirement, it is caused to be prone to failure by shear.Therefore seek the ideal coupling beam form of stress, increase Its strong energy dissipation capacity and deformability, improve its recoverability, it has also become urgently to be resolved in the design of Coupled Shear Wall structure to ask Topic.
Although having developed the replaceable coupling beam in part at present, they are by being arranged coupling beam damper in coupling beam span centre, commonly Damper has viscoelastic damper and metal damper, and viscoelastic damper is velocity-dependent damper, mainly by viscoelasticity The shear-deformable energy consumption of material sticks although can consume energy in wind shake, small shake, middle shake, and have good fatigue behaviour The performance of elasticity is changed greatly with environment temperature and Loading frequency, is mostly lamelliform, shearing deformation energy there are also viscous-elastic material Power is limited, is not suitable in the anti-seismic structure of large deformation.Metal damper is displacement relationship type damper, mainly by metal yield Deformation is adapted to the demand of big displacement, and hardly affected by environment, so metal damper can be in middle shake to consume energy Or the big lower energy consumption of shake effect, but under wind shake or small shake effect, metal damper is typically only capable to provide rigidity for structure, at this time Metal damper is not surrendered, also in elastic stage, can not be consumed energy.As it can be seen that traditional coupling beam can not meet simultaneously small shake (wind shake), The requirement shaken greatly.
Summary of the invention
The object of the present invention is to provide a kind of combined wind resistance antidetonation coupling beam sinkers, exist to solve the above-mentioned prior art The problem of, which is arranged between Coupled Shear Wall and replaces traditional coupling beam, cuts connection limb Power wall construction can not only resist small shake, wind shake, but also can resist middle shake, big shake.
To achieve the above object, the present invention provides following schemes: the present invention provides a kind of combined wind resistance antidetonation coupling beam Sinker, including two O-shaped metal dampers, a viscoelastic damper and four bearing beams, the O-shaped metal damping of described two Device and the viscoelastic damper are arranged in parallel and the viscoelastic damper be set to two O-shaped metal dampers it Between, the combined wind resistance antidetonation coupling beam sinker is used to be arranged between Coupled Shear Wall, the O-shaped metal damper Both ends pass through the bearing beam respectively and are connected with wall, and the both ends of the viscoelastic damper are connected with wall body built-in fitting respectively It connects.
Preferably, which further includes there are two end plate, and described two end plates are solid respectively The both ends of the viscoelastic damper are set calmly, and the viscoelastic damper is connected by the end plate with wall.
Preferably, the section of the bearing beam is I-shaped, H-type, square type or groove profile, the bearing beam and the O-shaped gold The end plate for belonging to damper connection is equipped with several bolts hole.
Preferably, the O-shaped metal damper includes two U-shaped steel plates and two rigid end sheets, described two U-shaped steel plates Setting symmetrical above and below is simultaneously fixedly connected with the rigid end sheet of two sides respectively, is respectively arranged with several on described two rigid end sheets Bolt hole.
Preferably, the O-shaped metal damper is made of Low Yield Point Steel or Q235 steel, and O-shaped metal damper is left The planar section of right two sides is equipped with bolt hole, and O-shaped metal damper is connect with bearing beam by high-strength bolt.
Preferably, then the O-shaped metal damper is bent by a monolith steel plate integral cutting at required flat shape It is formed with welding.
Preferably, the viscoelastic damper includes middle steel plate and U-shaped side steel plate, and the U-shaped side steel plate includes There are two side steel plate, the middle steel plate is between described two side steel plates, the middle steel plate and described two sides Viscous-elastic material layer is respectively arranged in gap between the steel plate of side, the viscous-elastic material has high damping characteristic, described glutinous Elastomeric layer is arranged between the middle steel plate and the side steel plate by vulcanization.
Preferably, the material in the viscous-elastic material layer is the rubber material for having high damping characteristic.
A kind of combined wind resistance antidetonation coupling beam sinker of the present invention achieve compared with prior art it is following the utility model has the advantages that
Viscoelastic damper and two O-shaped metal dampers are simultaneously in a kind of combined wind resistance antidetonation coupling beam sinker of the present invention Connection, as long as micro-displacement occurs, viscoelastic damper can work energy consumption, can satisfy small shake or the requirement of wind shake;In middle shake Or under big shake effect, it is that its energy dissipation capacity greatly improves that O-shaped metal damper and viscoelastic damper, which work together energy consumption,.This Kind combined wind resistance antidetonation coupling beam sinker structure is simple, it is easy to process, energy-dissipating property is good, it is easy for construction, be conducive to shake after Repair replacement.
Detailed description of the invention
It in order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, below will be to institute in embodiment Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention Example, for those of ordinary skill in the art, without any creative labor, can also be according to these attached drawings Obtain other attached drawings.
Fig. 1 is a kind of combined structural schematic diagram at visual angle of wind resistance antidetonation coupling beam sinker of the present invention;
Fig. 2 is the structural schematic diagram at the combined wind resistance antidetonation coupling beam sinker another kind visual angle of the present invention;
Fig. 3 is the structural schematic diagram of viscoelastic damper of the present invention;
Fig. 4 is the structural schematic diagram of the O-shaped metal damper of the present invention;
Fig. 5 is each damper hysteresis loop under the thin tail sheep that ABAQUS is simulated;
Fig. 6 is each damper hysteresis loop under the big displacement that ABAQUS is simulated;
Fig. 7 is the Stress Map of O-shaped metal damper under the big displacement that ABAQUS is simulated;
Fig. 8 is the displacement cloud atlas of O-shaped metal damper under the big displacement that ABAQUS is simulated.
Wherein, 1- viscoelastic damper, 2-O type metal damper, 3- bearing beam, the side 4- steel plate, 5- middle steel plate, 6- are glutinous Elastomeric layer.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other Embodiment shall fall within the protection scope of the present invention.
The object of the present invention is to provide a kind of combined wind resistance antidetonation coupling beam sinkers, to solve of the existing technology ask Topic, makes Coupled Shear Wall structure that can not only resist small shake, wind shake, but also can resist middle shake, big shake.
The present invention provides a kind of combined wind resistance antidetonation coupling beam sinker, including two O-shaped metal dampers, a glutinous bullet Property damper and four bearing beams, two O-shaped metal dampers are arranged in parallel and described with the viscoelastic damper Viscoelastic damper is set between two O-shaped metal dampers, and the combined wind resistance antidetonation coupling beam sinker is used for It is arranged between Coupled Shear Wall, the both ends of the O-shaped metal damper pass through the bearing beam respectively and are connected with wall, institute The both ends for the viscoelastic damper stated are connected with wall body built-in fitting respectively.
Viscoelastic damper and two O-shaped metal dampers in combined wind resistance antidetonation coupling beam sinker provided by the invention Parallel connection, as long as micro-displacement occurs, viscoelastic damper can work energy consumption, can satisfy small shake or the requirement of wind shake;In Under shake or big shake effect, it is that its energy dissipation capacity greatly improves that O-shaped metal damper and viscoelastic damper, which work together energy consumption,. This combined wind resistance antidetonation coupling beam sinker structure is simple, it is easy to process, energy-dissipating property is good, it is easy for construction, be conducive to shake Replacement is repaired afterwards.
In order to make the foregoing objectives, features and advantages of the present invention clearer and more comprehensible, with reference to the accompanying drawing and specific real Applying mode, the present invention is described in further detail.
Embodiment one:
The present invention provides a kind of combined wind resistance antidetonation coupling beam sinker, including two O-shaped metal damper 2, one stick Elastic damper 1 and four bearing beams 3, two O-shaped metal dampers 2 are arranged in parallel with viscoelastic damper 1 and viscoelasticity damps Device 1 is set between two O-shaped metal dampers 2, and combined wind resistance antidetonation coupling beam sinker is for being arranged in Coupled Shear Wall Between, the both ends of O-shaped metal damper 2 pass through bearing beam 3 respectively and are connected with wall, the both ends of viscoelastic damper 1 respectively with Wall body built-in fitting is connected.
The section of bearing beam 3 is I-shaped, H-type, square type or groove profile, the end plate connecting on bearing beam 3 with O-shaped metal damper 2 Equipped with several bolts hole.
O-shaped metal damper 2 includes two U-shaped steel plates and two rigid end sheets, and the setting symmetrical above and below of two U-shaped steel plates is simultaneously It is fixedly connected respectively with the rigid end sheet of two sides, is respectively arranged with several bolts hole on two rigid end sheets.
O-shaped metal damper 2 is made of Low Yield Point Steel or Q235 steel, the plane of O-shaped 2 left and right sides of metal damper Part is equipped with bolt hole, and O-shaped metal damper 2 is connect with bearing beam 3 by high-strength bolt, and O-shaped metal damper 2 can also be by one Then monolith steel plate integral cutting bends and welds formation at required flat shape.
Viscoelastic damper 1 includes middle steel plate 5 and U-shaped side steel plate 4, and U-shaped side steel plate 4 includes that there are two side steel Plate 4, middle steel plate 5 are located between two side steel plates 4, set respectively in the gap between middle steel plate 5 and two side steel plates 4 It is equipped with viscous-elastic material layer 6, viscous-elastic material is the rubber material for having high damping characteristic, and viscous-elastic material layer 6 passes through vulcanization It is arranged between middle steel plate 5 and side steel plate 4.
When construction, which assembled in advance can be completed, by the after-pouring of built-in fitting positioning Among shear wall, this combined wind resistance antidetonation coupling beam sinker is finally subjected to splicing peace by high-strength bolt and built-in fitting Dress.
Viscoelastic damper 1, O-shaped metal damper 2 and combined wind resistance antidetonation coupling beam sinker are carried out respectively ABAQUS numerical simulation obtains viscoelastic damper 1 under thin tail sheep, O-shaped metal damper 2 and group by numerical simulation analysis For the hysteresis loop of mould assembly wind resistance antidetonation coupling beam sinker as shown in figure 5, under thin tail sheep, O-shaped metal damper 2 is in elasticity, O-shaped metal damper 2 does not consume energy at this time;Viscoelastic damper 1, which is started to work, to consume energy, but hysteresis loop is flat;And this example set Mould assembly wind resistance antidetonation coupling beam sinker can also work energy consumption in thin tail sheep, and as can be seen from the figure it is initial rigid Degree is bigger than viscoelastic damper 1.
Viscoelastic damper 1, O-shaped metal damper 2 and this example combination under big displacement are obtained by sunykatuib analysis The hysteresis loop of type wind resistance antidetonation coupling beam sinker as shown in fig. 6, viscoelastic damper 1 and O-shaped metal damper 2 in big displacement Although lower can effectively consume energy, energy consumption energy of the energy dissipation capacity significantly less than combined wind resistance antidetonation coupling beam sinker of the invention Power, while hysteresis loop of the invention is full, illustrates that its energy-dissipating property is significant.
Fig. 7 and Fig. 8 respectively illustrates the Stress Map and displacement cloud atlas of O-shaped metal damper 2 of the invention under big displacement, From Fig. 7 and Fig. 8 it is found that the major part of metal damper all enters mecystasis under large deformation, has excellent energy consumption energy Power.
Embodiment two:
The embodiment is made that further improvement on the basis of example 1 comprising in the whole of embodiment one Hold, i.e., the combined wind resistance antidetonation coupling beam sinker in the present embodiment includes the combined wind resistance antidetonation coupling beam sinker of embodiment one Entire infrastructure feature, specific improvements are as follows:
The combined wind resistance antidetonation coupling beam sinker is also set up there are two end plate, and two end plates are respectively fixedly disposed at glutinous bullet The both ends of property damper 1, viscoelastic damper 1 are connected by end plate with wall.
The present invention can be used in high-rise Coupled Shear Wall structure, and can not only work energy consumption under small shake or wind shake, and Can work energy consumption under middle shake, big shake, protect the safety of wall limb of shear wall, improve comfortable quality of building, and the sinker exists It is easy to repair replacement after damage.
Specific examples are applied in the present invention, and principle and implementation of the present invention are described, above embodiments Illustrate to be merely used to help understand method and its core concept of the invention;At the same time, for those skilled in the art, according to According to thought of the invention, there will be changes in the specific implementation manner and application range.In conclusion the content of the present specification It should not be construed as limiting the invention.

Claims (6)

1. a kind of combined wind resistance antidetonation coupling beam sinker, it is characterised in that: including two O-shaped metal dampers, a glutinous bullet Property damper and four bearing beams, two O-shaped metal dampers are arranged in parallel and described with the viscoelastic damper Viscoelastic damper is set between two O-shaped metal dampers, and the combined wind resistance antidetonation coupling beam sinker is used for It is arranged between Coupled Shear Wall, the both ends of the O-shaped metal damper pass through the bearing beam respectively and are connected with wall, institute The both ends for the viscoelastic damper stated are connected with wall body built-in fitting respectively;
The viscoelastic damper includes middle steel plate and U-shaped side steel plate, and the U-shaped side steel plate includes that there are two side steel Plate, the middle steel plate is between described two side steel plates, between the middle steel plate and described two side steel plates It is respectively arranged with viscous-elastic material layer in gap, the viscous-elastic material layer is by vulcanization setting in the middle steel plate and described Between the steel plate of side;
It further include there are two end plate, described two end plates are respectively fixedly disposed at the both ends of the viscoelastic damper, described glutinous Elastic damper is connected by the end plate with wall;The middle steel plate and the side steel plate are each perpendicular to the end Plate.
2. a kind of combined wind resistance antidetonation coupling beam sinker according to claim 1, it is characterised in that: the bearing beam Section is I-shaped, H-type, square type or groove profile, and the end plate that the bearing beam is connect with the O-shaped metal damper is equipped with several Bolt hole.
3. a kind of combined wind resistance antidetonation coupling beam sinker according to claim 1, it is characterised in that: the O-shaped metal Damper includes two U-shaped steel plates and two rigid end sheets, the setting symmetrical above and below of described two U-shaped steel plates and respectively with two sides Rigid end sheet is fixedly connected, several bolts hole are respectively arranged on described two rigid end sheets.
4. a kind of combined wind resistance antidetonation coupling beam sinker according to claim 1, it is characterised in that: the O-shaped metal Damper, at required flat shape, then bends and welds formation by a monolith steel plate integral cutting.
5. a kind of combined wind resistance antidetonation coupling beam sinker according to claim 4, it is characterised in that: the O-shaped gold Belong to damper to be made of Low Yield Point Steel, the planar section at left and right sides of O-shaped metal damper is equipped with bolt hole, O-shaped metal Damper is connect with bearing beam by high-strength bolt.
6. a kind of combined wind resistance antidetonation coupling beam sinker according to claim 1, it is characterised in that: the viscoelasticity material Material in the bed of material is the rubber material for having high damping characteristic.
CN201610922958.5A 2016-10-29 2016-10-29 A kind of combined wind resistance antidetonation coupling beam sinker Active CN106639457B (en)

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CN109057144B (en) * 2018-07-03 2020-10-02 同济大学 Multifunctional replaceable coupling beam structure
CN109083295B (en) * 2018-08-07 2020-10-02 同济大学 Function-restorable coupled shear wall structure with replaceable parts
CN109826332B (en) * 2019-02-18 2020-06-09 华北水利水电大学 Coupling beam reinforcing structure with restorable function
CN110725427B (en) * 2019-10-17 2020-11-20 邢台职业技术学院 Vibration-loss-free self-recovery type metal double-cylinder space shock absorption energy dissipater
CN110821036B (en) * 2019-10-28 2021-06-08 同济大学 Viscoelastic damping connecting beam for solving out-of-plane rigidity and design method thereof

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