CN107165300B - A diamond-shaped opening H-beam damper against out-of-plane buckling - Google Patents
A diamond-shaped opening H-beam damper against out-of-plane buckling Download PDFInfo
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- CN107165300B CN107165300B CN201710473188.5A CN201710473188A CN107165300B CN 107165300 B CN107165300 B CN 107165300B CN 201710473188 A CN201710473188 A CN 201710473188A CN 107165300 B CN107165300 B CN 107165300B
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- 229910000831 Steel Inorganic materials 0.000 claims abstract description 174
- 239000010959 steel Substances 0.000 claims abstract description 174
- 239000002994 raw material Substances 0.000 claims description 2
- 229910003460 diamond Inorganic materials 0.000 abstract description 48
- 239000010432 diamond Substances 0.000 abstract description 48
- 238000006073 displacement reaction Methods 0.000 abstract description 6
- 238000000034 method Methods 0.000 abstract description 6
- 238000005452 bending Methods 0.000 abstract description 2
- 230000036244 malformation Effects 0.000 abstract description 2
- 230000004044 response Effects 0.000 abstract description 2
- 238000005265 energy consumption Methods 0.000 description 7
- 238000005516 engineering process Methods 0.000 description 5
- 238000009434 installation Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000013016 damping Methods 0.000 description 3
- 230000002787 reinforcement Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000008439 repair process Effects 0.000 description 2
- 235000003283 Pachira macrocarpa Nutrition 0.000 description 1
- 241001083492 Trapa Species 0.000 description 1
- 235000014364 Trapa natans Nutrition 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 235000009165 saligot Nutrition 0.000 description 1
- 230000017260 vegetative to reproductive phase transition of meristem Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E04—BUILDING
- E04H—BUILDINGS OR LIKE STRUCTURES FOR PARTICULAR PURPOSES; SWIMMING OR SPLASH BATHS OR POOLS; MASTS; FENCING; TENTS OR CANOPIES, IN GENERAL
- E04H9/00—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
- E04H9/02—Buildings, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate withstanding earthquake or sinking of ground
- E04H9/021—Bearing, supporting or connecting constructions specially adapted for such buildings
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
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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)
- Vibration Dampers (AREA)
- Vibration Prevention Devices (AREA)
Abstract
A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling is related to engineering structure and takes precautions against natural calamities cushion technique field.It is made of diamond shaped openings H profile steel, outer steel sleeve pipe, interior steel plate, steel pistons, screw rod, high-strength bolt and nut.Wherein the upper junction plate and lower connecting plate of diamond shaped openings H profile steel are connect by high-strength bolt with outer steel sleeve pipe and interior steel plate respectively, and interior steel plate and steel pistons are welded to connect, and outer steel sleeve pipe and steel pistons are connect with screw rod respectively.The damper is connect by screw rod with structure, and it is arranged in malformation larger part, when an earthquake occurs, two screw rods are axially generating axially opposite displacement, so that the web of diamond shaped openings H profile steel is only planar generated bending and shear-deformable, the out-of-plane buckling problem of classic diamond shape aperture H profile steel damper can be effectively prevent.Therefore it can play the role of stable dissipation seismic energy, thus reduce structural seismic response, limiting structure damage.
Description
Technical field
It takes precautions against natural calamities cushion technique field the present invention relates to engineering structure, more particularly, to a kind of diamond shaped openings of anti-out-of-plane buckling
H profile steel damper.
Background technique
China is located between circum-Pacific seismic belt and Eurasian earthquake zone, and the most area on territory is earthquake territory, especially
The west area for being China is mostly meizoseismal area, and seismic activity is frequent.It, must to be lost caused by earthquake disaster reduction to the maximum extent
Aseismic Design must be carried out to engineering structure and is reinforced.Currently used Ductility Design be using structure specific position as
Plastic hinge, by its elastic-plastic deformation come the seismic energy that dissipates, to meet seismic design of structures requirement.The shockproof control of works
Technology is to increase a certain specific energy-consuming device in the structure, and reaction of effective control structure object in earthquake reaches Aseismic Design
Purpose.Rely primarily on the specific energy-consuming device in geological process flowering structure object absorb and the incoming structure that dissipates in seismic energy
Amount, the technology are widely used in domestic External building and bridge etc. as a kind of safety, economic engineering structure shockproof control measure
In engineering structure Aseismic Design and reinforcement and repair.
Steel have preferable energy dissipation capacity as a kind of widely used dissipative cell, but as flat out-of-plane buckling occurs in it
Its energy dissipation capacity will be made to have a greatly reduced quality, therefore the out-of-plane buckling problem of traditional steel damper seriously affects it in engineering
Using.
Summary of the invention
In order to overcome drawbacks described above, the present invention provides a kind of diamond shaped openings H profile steel dampers of anti-out-of-plane buckling, by water chestnut
Shape aperture H profile steel is connect with steel bushing and steel pistons, and is connect by screw rod with works, when works being made to deform, steel
Only relative displacement is axially occurring for sleeve and steel pistons.Therefore, built-in diamond shaped openings H profile steel avoid it is out-of-plane deformation and
It only planar deforms, realize double-deformation energy consumption purpose and greatly improves energy efficiency, and be easily changed after shaking.
To achieve the above object, the present invention provides a kind of diamond shaped openings H profile steel dampers of anti-out-of-plane buckling, mainly by
Diamond shaped openings H profile steel (1), outer steel sleeve pipe (2), built-in junction steel plate (3), steel pistons (4), screw rod, high-strength bolt and nut
Composition；Diamond shaped openings H profile steel (1) is made of diamond shaped openings Wasted-energy steel plate (10), upper junction plate (8) and lower connecting plate (9), diamond shape
Vertical fixed upper junction plate (8) and lower connecting plate (9) are respectively corresponded on two opposite sides of aperture Wasted-energy steel plate (10)；
A kind of outer steel sleeve pipe (2) of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling is the square that one end is shut
Shape steel pipe, and end the first screw flight hole of reserved installation is being shut, the first screw rod is fixed on outer steel by nut by threaded hole
Casing (2) end face；The other end is fixed with the second screw rod, and one end of the second screw rod is deep into outer steel sleeve pipe (2) inside, and the other end exists
Outer steel sleeve pipe (2) is external, and the second screw rod and outer steel sleeve pipe (2) are coaxial；Two opposite sides of the rectangular steel pipe of outer steel sleeve pipe (2)
Respectively a and b, diamond shaped openings H profile steel (1) are located at outer steel sleeve pipe (2) inside, the side a of upper junction plate (8) and outer steel sleeve pipe (2)
Face is fixed together in parallel by high-strength bolt and nut；Lower connecting plate (9) and built-in junction steel plate (3) by high-strength bolt and
Nut is fixed together in parallel；The second screw rod is fixedly connected with steel pistons (4) in outer steel sleeve (2), along outer steel sleeve pipe (2)
Junction steel plate (3) is longer than lower connecting plate (9) and is fixedly connected with the end face of steel pistons (4) in axial direction；
Junction steel plate (3) is parallel with the side b of outer steel sleeve pipe (2), and there are distances between the two, and the distance is by works
Deformation determines.
The second screw flight hole of the reserved installation of steel pistons (4), and in the center line of the threaded hole and outer steel sleeve pipe (2)
For heart line on same straight line, steel pistons (4), which are located on the side b, is played certain supporting role by the side b；Outer steel sleeve pipe (2)
It connect with the second screw rod with steel pistons (4), and is tightened by nut (7) respectively.
A kind of steel pistons (4) of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling are placed on outer steel sleeve pipe (2)
Above, steel pistons (4) and built-in junction steel plate (3) are welded to connect interior bottom plate (i.e. the side b).
The end surface thickness of outer steel sleeve pipe (2) closed end is greater than the end face of the other end, and the first screw rod does not extend through outer steel sleeve pipe
(2) closed end.
A kind of diamond shaped openings H profile steel (1) of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling is by H profile steel
Raw material are made, and avoid diamond shaped openings Wasted-energy steel plate (10) and (are provided with multiple edges in the plate face of diamond shaped openings Wasted-energy steel plate
The diamond shape through-hole of plate face) with upper junction plate (8) and lower connecting plate (9) weld together caused residual stress and residual displacement pair
The influence of damper performance.
The beneficial effects of the present invention are:
A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling of the invention, damping effect is significant under geological process,
It is mainly reflected in the following:
1. connecting since diamond shaped openings H profile steel is connect with steel bushing and steel pistons, and by screw rod with works, make structure
When object deforms, only relative displacement is axially occurring for steel bushing and steel pistons, avoids built-in diamond shaped openings H profile steel flat
Deformation outside face and only planar deform, realize double-deformation energy consumption purpose and greatly improve energy efficiency.
2. the damper is connect by screw rod with structure, and is arranged in malformation larger part, when an earthquake occurs, two spiral shells
Bar is axially generating axially opposite displacement, and the web of diamond shaped openings H profile steel is made only planar to generate bending and shear-deformable,
It can effectively prevent the out-of-plane buckling problem of classic diamond shape aperture H profile steel damper.Therefore stable dissipation seismic energy can be played
Effect, thus reduce structural seismic response, limiting structure damage.The present invention has stable mechanical property, damping clear mechanism, consumption
Can it is high-efficient, durability is good, production technology is easy and replaces the advantages that facilitating after shaking, take precautions against natural calamities cushion technique field in engineering structure
Aseismatic Design and reinforcement and repair technology in have broad application prospects.The present invention is easy to accomplish, applied widely, can reduce
Reaction of the structure in earthquake, therefore can be reduced design section and the arrangement of reinforcement of structure；It is destroyed after shake and concentrates on diamond shaped openings energy consumption
Steel plate is easily changed, can reduce rehabilitation cost after the shake of structure.Therefore, the present invention has good society economic benefit, is worth pushing away
Wide application.
Detailed description of the invention
Fig. 1 is a kind of schematic elevation view of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling；
Fig. 2 is a kind of schematic side view of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling；
Fig. 3 is a kind of Section A-A schematic diagram of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling.
Fig. 4 is a kind of section B-B schematic diagram of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling.
Fig. 5 is that a kind of diamond shaped openings Wasted-energy steel plate of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling faces signal
Figure.
Description of symbols:
1-diamond shaped openings H profile steel；2-outer steel sleeve pipes；3-built-in junction steel plates；4-steel pistons；5-the first screw rod；
5 '-second screw rods；6-high-strength bolts；7-nuts；The upper junction plate of 8-diamond shaped openings H profile steels；9-diamond shaped openings H profile steels
Lower connecting plate；10-diamond shaped openings Wasted-energy steel plates, the side a- outer steel sleeve pipe a, the side b- outer steel sleeve pipe b.
Specific embodiment
Below with reference to embodiment, the invention will be further described, but the present invention is not limited to following implementations.
Embodiment 1
The present invention is connect with steel bushing and steel pistons by high-strength bolt, and lead on the basis of diamond shaped openings H profile steel
It crosses screw rod to connect with works, when works being made to deform, only relative displacement is axially occurring for steel bushing and steel pistons, makes interior
The diamond shaped openings H profile steel set avoids out-of-plane deformation and only planar deforms, and realizes diamond shaped openings H profile steel and exists
Energy consumption purpose in double-deformation structure.The structure is mainly used for the more demanding science of bridge building of anti-seismic performance and architectural engineering subtracts
In seismic isolation technology.
Fig. 1, Fig. 2, Fig. 3 and Fig. 4 are a kind of specific implementation examples of the diamond shaped openings H profile steel damper of anti-out-of-plane buckling,
Make is mainly made of diamond shaped openings H profile steel 1, outer steel sleeve pipe 2, built-in junction steel plate 3 and steel pistons 4.Fig. 5 opens for diamond shape
The construction of hole H profile steel is welded by diamond shaped openings Wasted-energy steel plate 10 and upper junction plate 8 and lower connecting plate 9.
Diamond shaped openings H profile steel 1 is placed in outer steel sleeve pipe 2, and opened by diamond shape by the present invention when being applied to bridge structure
The upper junction plate 8 and lower connecting plate 9 of hole H profile steel are connect by high-strength bolt 6 with outer steel sleeve pipe 2 and built-in junction steel plate 3 respectively, and
It is tightened by nut 7.Outer steel sleeve pipe 2 is the rectangular steel pipe that left end is shut, and is shutting end the first screw flight hole of reserved installation.
Second screw flight hole of the reserved installation of steel pistons 4, and the center line of the center line of the threaded hole and outer steel sleeve pipe 2 is in same
On straight line.Outer steel sleeve pipe 2 and steel pistons 4 are connect with the second screw rod respectively, and are tightened by nut 7.Steel pistons 4 are placed on outer steel sleeve
Plate top surface in pipe 2, steel pistons 4 and built-in junction steel plate 3 are welded to connect.Built-in junction steel plate 3 is with outer steel sleeve pipe 2 in level
To there are distance, which is determined by the deformation of works.
When an earthquake occurs, structure deforms and in axial push-pull screw rod, and the energy consumption of built-in diamond shaped openings H profile steel
Plane deformation only occurs for steel plate, therefore can avoid the out-of-plane buckling of Wasted-energy steel plate, and plays the role of stable energy consumption.The damper
Easy processing and molding control, convenient transportation and installation, endurance quality is strong, and the two-way energy consumption of energy, and damping effect is significant, and safety can
It leans on, Yi Genghuan after shake.The anti-seismic performance that the engineering structures such as earthquake territory bridge and building can be significantly improved, should be widely promoted and answer
With.
Claims (5)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473188.5A CN107165300B (en) | 2017-06-21 | 2017-06-21 | A diamond-shaped opening H-beam damper against out-of-plane buckling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710473188.5A CN107165300B (en) | 2017-06-21 | 2017-06-21 | A diamond-shaped opening H-beam damper against out-of-plane buckling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN107165300A CN107165300A (en) | 2017-09-15 |
| CN107165300B true CN107165300B (en) | 2019-06-21 |
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| CN201710473188.5A Active CN107165300B (en) | 2017-06-21 | 2017-06-21 | A diamond-shaped opening H-beam damper against out-of-plane buckling |
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Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110206181A (en) * | 2019-06-20 | 2019-09-06 | 海南大学 | A kind of assembled Self-resetting out-of-plane bending metal damper |
| CN110541595A (en) * | 2019-08-28 | 2019-12-06 | 北京市政路桥股份有限公司 | A rubber layered U-shaped metal plate damper |
| CN112252509A (en) * | 2020-11-13 | 2021-01-22 | 中国地震局工程力学研究所 | Assembled Shear Damper with Shape-Optimized Staged Yield Energy Dissipation Mechanism |
| CN113338465B (en) * | 2021-05-24 | 2022-08-02 | 福州大学 | Perforated mild steel damper with lateral support |
| CN113502734B (en) * | 2021-07-21 | 2022-07-26 | 河北工业大学 | Can realize from speed locking type third-order yield damper of restoring to throne |
| CN113914497A (en) * | 2021-11-18 | 2022-01-11 | 南京林业大学 | Self-centering cable support device with out-of-plane buckling metal damper |
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| JP2003269004A (en) * | 2002-03-19 | 2003-09-25 | Shimizu Corp | Boundary beam damper and method of arranging boundary beam damper |
| JP2008069595A (en) * | 2006-09-15 | 2008-03-27 | Hitachi Metals Techno Ltd | Aseismic response control damper installing structure |
| CN101165362A (en) * | 2004-12-11 | 2008-04-23 | 尹学军 | Damper possessing axial guiding means |
| CN102287015A (en) * | 2011-06-01 | 2011-12-21 | 王涛 | Self-resetting metal damper |
| CN102304893A (en) * | 2011-07-01 | 2012-01-04 | 株洲时代新材料科技股份有限公司 | Piston-type bridge buffer protection method and device and manufacture method |
| CN204252313U (en) * | 2014-11-10 | 2015-04-08 | 同济大学 | A kind of two-way energy-dissipating and shock-absorbing mild steel damper |
| CN105507439A (en) * | 2015-11-24 | 2016-04-20 | 北京工业大学 | Piston type compressed spring filled self-reset energy dissipation support |
| CN205637207U (en) * | 2015-12-24 | 2016-10-12 | 北京工业大学 | Two pressure spring drum radial inflow friction -variable attenuators with compound damping characteristic |
-
2017
- 2017-06-21 CN CN201710473188.5A patent/CN107165300B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003269004A (en) * | 2002-03-19 | 2003-09-25 | Shimizu Corp | Boundary beam damper and method of arranging boundary beam damper |
| CN101165362A (en) * | 2004-12-11 | 2008-04-23 | 尹学军 | Damper possessing axial guiding means |
| JP2008069595A (en) * | 2006-09-15 | 2008-03-27 | Hitachi Metals Techno Ltd | Aseismic response control damper installing structure |
| CN102287015A (en) * | 2011-06-01 | 2011-12-21 | 王涛 | Self-resetting metal damper |
| CN102304893A (en) * | 2011-07-01 | 2012-01-04 | 株洲时代新材料科技股份有限公司 | Piston-type bridge buffer protection method and device and manufacture method |
| CN204252313U (en) * | 2014-11-10 | 2015-04-08 | 同济大学 | A kind of two-way energy-dissipating and shock-absorbing mild steel damper |
| CN105507439A (en) * | 2015-11-24 | 2016-04-20 | 北京工业大学 | Piston type compressed spring filled self-reset energy dissipation support |
| CN205637207U (en) * | 2015-12-24 | 2016-10-12 | 北京工业大学 | Two pressure spring drum radial inflow friction -variable attenuators with compound damping characteristic |
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| CN107165300A (en) | 2017-09-15 |
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