CN107165300A - A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling - Google Patents

A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling Download PDF

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Publication number
CN107165300A
CN107165300A CN201710473188.5A CN201710473188A CN107165300A CN 107165300 A CN107165300 A CN 107165300A CN 201710473188 A CN201710473188 A CN 201710473188A CN 107165300 A CN107165300 A CN 107165300A
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steel
shaped openings
sleeve pipe
diamond shaped
plate
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CN201710473188.5A
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CN107165300B (en
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金浏
杜修力
周雨龙
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Beijing University of Technology
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Beijing University of Technology
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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, groups of buildings or shelters adapted to withstand or provide protection against abnormal external influences, e.g. war-like action, earthquake or extreme climate
    • E04H9/02Buildings, 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
    • E04H9/021Bearing, supporting or connecting constructions specially adapted for such buildings
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D19/00Structural or constructional details of bridges

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  • Engineering & Computer Science (AREA)
  • Architecture (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Business, Economics & Management (AREA)
  • Emergency Management (AREA)
  • Environmental & Geological Engineering (AREA)
  • Vibration Prevention Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
  • Vibration Dampers (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 up 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 connected by high-strength bolt with outer steel sleeve pipe and interior steel plate respectively, and interior steel plate is welded to connect with steel pistons, and outer steel sleeve pipe and steel pistons are connected with screw rod respectively.The damper is connected by screw rod with structure, and it is arranged in malformation larger part, when an earthquake occurs, two screw rods are axially producing axially opposite displacement, the web of diamond shaped openings H profile steel is only planar produced bending and detrusion, can effectively prevent the out-of-plane buckling problem of classic diamond shape perforate H profile steel damper.Therefore stable dissipation seismic energy can be played a part of, so that reduce structural seismic response, limiting structure damage.

Description

A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling
Technical field
Taken 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 technology
China is located between circum-Pacific seismic belt and Eurasian earthquake zone, and the most area on territory is earthquake territory, especially It is the west area mostly meizoseismal area of China, seismic activity is frequent.The loss caused for earthquake disaster reduction to greatest extent, must Aseismic Design must be carried out to engineering structure with reinforcing.Ductility Design conventional at present be by the use of structure ad-hoc location 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-dissipating device in the structure, and reaction of effective control structure thing in earthquake reaches Aseismic Design Purpose.Rely primarily on the specific energy-dissipating device in Structures under Earthquake thing absorb and the incoming structure that dissipates in seismic energy Amount, the technology is 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 are as a kind of widely used dissipative cell, with preferable energy dissipation capacity, but as it occurs flat out-of-plane buckling Its energy dissipation capacity will be made to have a greatly reduced quality, therefore the out-of-plane buckling problem of traditional steel damper has a strong impact on it in engineering Using.
The content of the invention
In order to overcome drawbacks described above, the invention provides a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling, by water chestnut Shape perforate H profile steel is connected with steel bushing and steel pistons, and is connected by screw rod with works, when the works is deformed, steel With steel pistons only relative displacement is axially occurring for sleeve.Therefore, built-in diamond shaped openings H profile steel avoid it is out-of-plane deformation and Only planar deform, realize double-deformation power consumption purpose and greatly improve energy efficiency, and be easily changed after shake.
To achieve the above object, the invention provides a kind of diamond shaped openings H profile steel damper 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 up of diamond shaped openings Wasted-energy steel plate (10), upper junction plate (8) and lower connecting plate (9), rhombus Vertical fixed upper junction plate (8) and lower connecting plate (9) are corresponded on two relative sides of perforate Wasted-energy steel plate (10) respectively;
A kind of outer steel sleeve pipe (2) of the diamond shaped openings H profile steel damper of described 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 by screwed hole by nut fixation in outer steel Sleeve pipe (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 outside, and the second screw rod and outer steel sleeve pipe (2) are coaxial;Two relative sides of the rectangular steel pipe of outer steel sleeve pipe (2) Respectively a and b, diamond shaped openings H profile steel (1) is located at outer steel sleeve pipe (2) inside, a sides of upper junction plate (8) and outer steel sleeve pipe (2) Face is fixed together by high-strength bolt and nut are parallel;Lower connecting plate (9) and built-in junction steel plate (3) by high-strength bolt and Nut is parallel to be fixed together;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) on axial direction;
Junction steel plate (3) is parallel with the b sides of outer steel sleeve pipe (2), distance is left between the two, the distance is by works Deformation is determined.
Steel pistons (4) are reserved to be installed in the second screw flight hole, and the center line and outer steel sleeve pipe (2) of the screwed hole Heart line is on same straight line, and steel pistons (4), which are located on b sides, is played certain supporting role by b sides;Outer steel sleeve pipe (2) It is connected, and is tightened by nut (7) with the second screw rod respectively with steel pistons (4).
A kind of steel pistons (4) of the diamond shaped openings H profile steel damper of described anti-out-of-plane buckling are placed on outer steel sleeve pipe (2) Above, steel pistons (4) are welded to connect interior bottom plate (i.e. b sides) with built-in junction steel plate (3).
The end surface thickness of outer steel sleeve pipe (2) blind end is more than the end face of the other end, and the first screw rod does not extend through outer steel sleeve pipe (2) blind end.
A kind of diamond shaped openings H profile steel (1) of the diamond shaped openings H profile steel damper of described anti-out-of-plane buckling is by H profile steel Raw material are made, it is to avoid diamond shaped openings Wasted-energy steel plates (10) (are provided with multiple edges in the plate face of diamond shaped openings Wasted-energy steel plate The rhombus through hole of plate face) weld together caused residual stress and residual displacement pair with upper junction plate (8) and lower connecting plate (9) The influence of damper performance.
The beneficial effects of the invention are as follows:
A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling of the present invention, damping effect is notable under geological process, Be mainly reflected in it is following some:
1. because diamond shaped openings H profile steel is connected with steel bushing and steel pistons, and being connected by screw rod with works, make structure When thing deforms, with steel pistons only relative displacement is axially occurring for steel bushing, avoids built-in diamond shaped openings H profile steel flat Deformation outside face and only planar deform, realize double-deformation power consumption purpose and greatly improve energy efficiency.
2. the damper is connected by screw rod with structure, and is arranged in malformation larger part, when an earthquake occurs, two spiral shells Bar is axially producing axially opposite displacement, the web of diamond shaped openings H profile steel is only planar produced bending and detrusion, The out-of-plane buckling problem of classic diamond shape perforate H profile steel damper can effectively be prevented.Therefore stable dissipation seismic energy can be played Effect, so that reduce structural seismic response, limiting structure damage.The present invention has stable mechanical property, damping clear mechanism, consumption Can efficiency high, good endurance, production technology be easy and shake after change the advantages of facilitating, taken precautions against natural calamities cushion technique field in engineering structure Aseismatic Design with being had broad application prospects in reinforcement and repair technology.It is of the invention easily to realize, it is applied widely, it can reduce Reaction of the structure in earthquake, therefore design section and the arrangement of reinforcement of structure can be reduced;Destruction concentrates on diamond shaped openings power consumption after shake Steel plate, it is easy to change, rehabilitation cost after the shake of structure can be reduced.Therefore, the present invention has good society economic benefit, is worth pushing away Wide application.
Brief description of the drawings
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 faces signal for 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 Figure.
Description of reference numerals:
1-diamond shaped openings H profile steel;2-outer steel sleeve pipe;3-built-in junction steel plate;4-steel pistons;5-screw rod;6-high Strength bolt;7-nut;The upper junction plate of 8-diamond shaped openings H profile steel;The lower connecting plate of 9-diamond shaped openings H profile steel;10-rhombus Perforate Wasted-energy steel plate, a- outer steel sleeve pipes a sides, b- outer steel sleeve pipes b sides.
Embodiment
With reference to embodiment, the invention will be further described, but the present invention is not limited to following implementation.
Embodiment 1
The present invention is on the basis of diamond shaped openings H profile steel, to be connected with steel bushing and steel pistons by high-strength bolt, and lead to Cross screw rod to be connected with works, when making the works deform, steel bushing is with steel pistons only in axially occurring relative displacement, making The diamond shaped openings H profile steel put avoids out-of-plane deformation and only planar deformed, and realizes diamond shaped openings H profile steel and exists Power consumption purpose in double-deformation structure.The structure is mainly used in the higher science of bridge building of anti-seismic performance requirement 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 up 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 rhombus The construction of hole H profile steel, is welded by diamond shaped openings Wasted-energy steel plate 10 with 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 rhombus by the present invention when applied to bridge structure The upper junction plate 8 and lower connecting plate 9 of hole H profile steel are connected by high-strength bolt 6 with outer steel sleeve pipe 2 and built-in junction steel plate 3 respectively, and Tightened by nut 7.Outer steel sleeve pipe 2 is the rectangular steel pipe that left end is shut, and is shutting the reserved screwed hole for installing screw rod 7 in end.Steel The reserved screwed hole for installing screw rod 7 of piston 4, and the center line of the screwed hole and the center line of outer steel sleeve pipe 2 are in same straight line On.Outer steel sleeve pipe 2 and steel pistons 4 are connected with screw rod 5 respectively, and are tightened by nut 7.Steel pistons 4 are placed in outer steel sleeve pipe 2 Plate top surface, steel pistons 4 are welded to connect with built-in junction steel plate 3.Built-in junction steel plate 3 and outer steel sleeve pipe 2 are in level to leaving Distance, the distance is determined by the deformation of works.
When an earthquake occurs, structure deforms and in axial push-pull screw rod, and the power 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 stable power consumption effect.The damper Easy processing and molding control, conveniently transport and installation, endurance quality are strong, and the two-way power consumption of energy, and damping effect is notable, and safety can Lean on, easily changed after shake.The anti-seismic performance of the engineering structure such as earthquake territory bridge and building can be significantly improved, should be widely promoted should With.

Claims (5)

1. a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling, it is characterised in that it is main 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) it is made up of diamond shaped openings Wasted-energy steel plate (10), upper junction plate (8) and lower connecting plate (9), diamond shaped openings Wasted-energy steel plate (10) phase To two sides on correspond to vertical fixed upper junction plate (8) and lower connecting plate (9) respectively;
A kind of outer steel sleeve pipe (2) of the diamond shaped openings H profile steel damper of described anti-out-of-plane buckling is the rectangle steel that one end is shut Pipe, and end the first screw flight hole of reserved installation is being shut, the first screw rod is fixed on outer steel sleeve pipe by screwed hole by nut (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 is in outer steel Sleeve pipe (2) is outside, and the second screw rod and outer steel sleeve pipe (2) are coaxial;Distinguish two sides that the rectangular steel pipe of outer steel sleeve pipe (2) is relative For a and b, diamond shaped openings H profile steel (1) is located at that outer steel sleeve pipe (2) is internal, a sides of upper junction plate (8) and outer steel sleeve pipe (2) by High-strength bolt and nut is parallel is fixed together;Lower connecting plate (9) is with built-in junction steel plate (3) by high-strength bolt and nut It is parallel to be fixed together;The second screw rod is fixedly connected with steel pistons (4) in outer steel sleeve (2), along the axial direction of outer steel sleeve pipe (2) Upper junction steel plate (3) is longer than lower connecting plate (9) and is fixedly connected with the end face of steel pistons (4);
The b sides of junction steel plate (3) and outer steel sleeve pipe (2) are parallel, and distance is left between the two, the distance by works deformation It is determined that.
2. according to a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling described in claim 1, it is characterised in that steel is lived (4) reserved installation screw flight hole is filled in, and the center line of the screwed hole and the center line of outer steel sleeve pipe (2) are in same straight line On, steel pistons (4), which are located on b sides, is played certain supporting role by b sides;Outer steel sleeve pipe (2) and steel pistons (4) respectively with Second screw rod is connected, and is tightened by nut (7).
3. according to a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling described in claim 1, it is characterised in that steel is lived Plug (4) is placed on above the bottom plate b sides in outer steel sleeve pipe (2), and steel pistons (4) are welded to connect with built-in junction steel plate (3).
4. according to a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling described in claim 1, it is characterised in that rhombus Perforate H profile steel (1) is made by H profile steel for raw material, is provided with the plate face of diamond shaped openings Wasted-energy steel plate multiple along plate face Rhombus through hole, diamond shaped openings Wasted-energy steel plate (10) welds together with upper junction plate (8) and lower connecting plate (9).
5. according to a kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling described in claim 1, it is characterised in that outer steel The end surface thickness of sleeve pipe (2) blind end is more than the end face of the other end, and the first screw rod does not extend through outer steel sleeve pipe (2) blind end.
CN201710473188.5A 2017-06-21 2017-06-21 A kind of diamond shaped openings H profile steel damper of anti-out-of-plane buckling Active CN107165300B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
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 Rubber layering U type metal sheet attenuator
CN113338465A (en) * 2021-05-24 2021-09-03 福州大学 Perforated mild steel damper with lateral support
CN113502734A (en) * 2021-07-21 2021-10-15 河北工业大学 Speed locking type three-order yield damper capable of achieving self-resetting

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JP2003269004A (en) * 2002-03-19 2003-09-25 Shimizu Corp Border beam damper and its arrangement method
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

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2003269004A (en) * 2002-03-19 2003-09-25 Shimizu Corp Border beam damper and its arrangement method
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

Cited By (4)

* Cited by examiner, † Cited by third party
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 Rubber layering U type metal sheet attenuator
CN113338465A (en) * 2021-05-24 2021-09-03 福州大学 Perforated mild steel damper with lateral support
CN113502734A (en) * 2021-07-21 2021-10-15 河北工业大学 Speed locking type three-order yield damper capable of achieving self-resetting

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