CN112095442A - Replaceable bridge damping energy-consumption connecting piece structure - Google Patents

Replaceable bridge damping energy-consumption connecting piece structure Download PDF

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Publication number
CN112095442A
CN112095442A CN202010955741.0A CN202010955741A CN112095442A CN 112095442 A CN112095442 A CN 112095442A CN 202010955741 A CN202010955741 A CN 202010955741A CN 112095442 A CN112095442 A CN 112095442A
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CN
China
Prior art keywords
plate
bridge damping
bridge
steel sheet
pier
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202010955741.0A
Other languages
Chinese (zh)
Inventor
李传琳
张敦宝
姚志国
车文庆
彭勃
文东
李鸿波
余阳
罗廷斌
赵海燕
张煜
陈美伶
梁俊雄
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
CREEC Kunming Survey Design and Research Co Ltd
Original Assignee
CREEC Kunming Survey Design and Research Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CREEC Kunming Survey Design and Research Co Ltd filed Critical CREEC Kunming Survey Design and Research Co Ltd
Priority to CN202010955741.0A priority Critical patent/CN112095442A/en
Publication of CN112095442A publication Critical patent/CN112095442A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • 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
    • E01D19/02Piers; Abutments ; Protecting same against drifting ice
    • EFIXED CONSTRUCTIONS
    • E01CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
    • E01DCONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
    • E01D2101/00Material constitution of bridges
    • E01D2101/30Metal

Abstract

The invention discloses a replaceable bridge damping and energy-consuming connecting piece structure, which relates to the technical field of railway and road traffic engineering and comprises two piers, wherein the tops of the piers are connected with two beam bodies by adopting supports, a first bridge damping and energy-consuming device is arranged between the outer walls of one sides corresponding to the two beam bodies, the number of the piers is multiple, the piers are symmetrically distributed, a second bridge damping and energy-consuming device is arranged between the two corresponding piers, the tops and the bottoms of the outer walls of one sides corresponding to the two beam bodies are fixedly connected with beam body embedded steel plates, and the tops and the bottoms of one sides of the two corresponding piers are fixedly connected with pier embedded steel plates. According to the invention, the first bridge damping and energy dissipating device, the second bridge damping and energy dissipating device, the beam body embedded steel plate, the pier embedded steel plate, the first connecting plate and the second connecting plate are arranged, so that the bridge damping and energy dissipating connecting piece is convenient to mount and dismount, and the bridge damping and energy dissipating connecting piece is favorable for overhauling and replacing the bridge damping and energy dissipating connecting piece after failure.

Description

Replaceable bridge damping energy-consumption connecting piece structure
Technical Field
The invention relates to the technical field of railway and road traffic engineering, in particular to a replaceable bridge damping and energy-consuming connecting piece structure.
Background
With the development of society, the construction of infrastructure changes day by day, and the traffic system in the aspects of railways, highways and the like is more and more developed, and the rapid development of traffic networks brings more and more convenience to the traveling of people. Higher earthquake intensity district, for the ground of using as far as possible, newly-built railway, highway and town road are close to existing bridge setting, the partial repair bridge of the big span of mountain area high mound especially, the roof beam portion, be close to each other between the pier, under meetting the strong shake of cross bridge orientation, because the pier is higher more gentle, pier top lateral displacement is big partially, when displacement direction is inconsistent between the pier, very easily take place the mutual collision phenomenon, lead to the pier easily, the roof beam portion is impaired easily, will lead to pier unstability when serious, the roof beam portion drops, endanger bridge safety. The bridge is used as an important component of a railway or a road, and after a safety problem occurs to the bridge, the work of post-disaster rescue and post-disaster reconstruction near the road can be influenced. The existing bridge damping and energy dissipating device is poor in anti-seismic performance, is easy to lose efficacy under instantaneous transverse seismic force, is complex to replace and cannot be replaced in time after the bridge damping and energy dissipating device fails, and is complex in structure and high in cost, so that the device is difficult to transport and install, high in later-stage operation and maintenance cost and poor in economic applicability.
Disclosure of Invention
Technical problem to be solved
The invention aims to: the invention provides a replaceable bridge damping and energy-consuming connecting piece structure, which aims to solve the problems that a bridge damping and energy-consuming device is poor in anti-seismic performance and is easy to lose efficacy under instantaneous transverse seismic force, meanwhile, the bridge damping and energy-consuming device is complex to replace after losing efficacy and cannot be replaced in time, the bridge damping and energy-consuming device is complex in structure and high in cost, so that the device is difficult to transport and install, high in later-period operation and maintenance cost and poor in economic applicability.
(II) technical scheme
The invention specifically adopts the following technical scheme for realizing the purpose:
the utility model provides a removable formula bridge shock attenuation power consumption connecting piece structure, includes the pier, the top of pier adopts support and roof beam body coupling, the roof beam body has two, two be equipped with first bridge shock attenuation power consumption device between the corresponding one side outer wall of roof beam body, the pier has a plurality ofly, and is a plurality of the pier symmetric distribution, be equipped with second bridge shock attenuation power consumption device between two corresponding piers, swing joint has head rod and second connecting rod respectively at first bridge shock attenuation power consumption device's both ends, swing joint has third connecting rod and fourth connecting rod respectively at second bridge shock attenuation power consumption device's both ends, the equal fixedly connected with roof beam body pre-buried steel sheet in one side outer wall top and the bottom that two corresponding roof beam bodies are corresponding, the equal fixedly connected with pier pre-buried steel sheet in one side top and the bottom of two corresponding piers.
Furthermore, the first bridge damping and energy dissipating devices are multiple and are uniformly distributed in a rectangular shape, and one ends of the first connecting rods and one ends of the second connecting rods, which are far away from the first bridge damping and energy dissipating devices, are fixedly connected with the middle parts of the outer walls of the embedded steel plates of the two corresponding beam bodies respectively.
Furthermore, the second bridge damping and energy dissipating device has two, two the second bridge damping and energy dissipating device distributes in the outer wall top and the bottom of two corresponding piers in a staggered manner, the third connecting rod and the fourth connecting rod keep away from the one end of the second bridge damping and energy dissipating device and are respectively fixedly connected with the embedded steel plates of the two piers.
Furthermore, the embedded steel plate of the beam body and the embedded steel plate of the pier are respectively fixedly connected with embedded steel plate connecting reinforcing steel bars between the beam body and the pier at one side close to the outer walls of the beam body and the pier.
Furthermore, first bridge damping and energy dissipation device and second bridge damping and energy dissipation device all include the first connecting steel sheet in the buckled plate outside and the inboard second connecting steel sheet of buckled plate, the outer wall both sides of the first connecting steel sheet in the buckled plate outside and the inboard second connecting steel sheet of buckled plate are first connecting plate of fixedly connected with and second connecting plate respectively.
Further, one side inner wall that first connecting steel sheet is close to the second connecting plate and the inboard second connecting steel sheet of buckled plate are close to one side outer wall top and the equal fixedly connected with second limiting plate in bottom of second connecting plate, the outer wall of first connecting plate and second connecting plate all has set up threaded hole all around, equal threaded connection has first connecting bolt between first connecting plate and the second connecting plate through screw hole and head rod, second connecting rod, third connecting rod and the fourth connecting rod.
Further, first connecting plate and second connecting plate are close to the first connecting steel sheet in the buckled plate outside outer wall one side difference fixedly connected with first splint and second splint, be equipped with scalable buckled plate between the first connecting steel sheet in the buckled plate outside and the inboard second connecting steel sheet of buckled plate, the both ends of scalable buckled plate respectively with between first splint and the second splint fixedly connected with second connecting bolt.
Further, one side outer wall middle part that the second connecting plate is close to the inboard second of buckled plate is connected with U type slider, the one end and the U type slider sliding connection of the inboard second of buckled plate connect the steel sheet, it has emollient to fill between U type slider and the inboard second of buckled plate connect the steel sheet.
(III) advantageous effects
The invention has the following beneficial effects:
1. according to the invention, the first bridge damping and energy dissipating device, the second bridge damping and energy dissipating device, the beam body embedded steel plate, the pier embedded steel plate, the first connecting plate and the second connecting plate are arranged, so that the bridge damping and energy dissipating connecting piece is convenient to mount and dismount, and the bridge damping and energy dissipating connecting piece is favorable for overhauling and replacing the bridge damping and energy dissipating connecting piece after failure.
2. According to the invention, by arranging the telescopic corrugated plates, the number of the telescopic corrugated plates can be increased or reduced according to different requirements on damping and energy consumption, so that the anti-seismic performance of the device is improved, the safety performance of a bridge is ensured, and the disassembled bridge damping and energy consumption device is disassembled to replace the failed telescopic corrugated plates, so that the bridge damping and energy consumption device can be repeatedly used, and the later maintenance cost of the device is reduced.
3. According to the invention, the first clamping plate, the second clamping plate and the second connecting bolt are arranged, so that the failed telescopic corrugated plate can be replaced singly, the replacement times of the whole device are reduced, and the later maintenance cost of the device is reduced.
Drawings
FIG. 1 is a schematic perspective view of the present invention;
FIG. 2 is a schematic front sectional view of the present invention;
FIG. 3 is an enlarged sectional view taken at A in FIG. 2;
FIG. 4 is an enlarged sectional view taken at B in FIG. 2;
FIG. 5 is an enlarged cross-sectional view of the present invention;
FIG. 6 is an enlarged cross-sectional view taken at C in FIG. 5;
FIG. 7 is a side view of FIG. 5;
labeled in fig. 1-7: 1. a bridge pier; 2. a beam body; 3. embedding steel bars for connecting steel plates; 4. pre-burying a steel plate in the beam body; 5. a first connecting rod; 6. a second connecting rod; 7. a first bridge damping and energy dissipating device; 8. a third connecting rod; 9. a fourth connecting rod; 10. a second bridge damping and energy dissipating device; 11. pre-burying a steel plate in the pier; 12. a first connecting bolt; 13. the first connecting steel plate is arranged on the outer side of the corrugated plate; 14. a retractable corrugated plate; 15. a second connecting steel plate at the inner side of the corrugated plate; 16. a first limit plate; 17. a second limiting plate; 18. a first connecting plate; 19. a first splint; 20. a second splint; 21. a U-shaped slider; 22. a lubricant; 23. a second connecting bolt; 24. a threaded hole; 25. a second connecting plate; 26. and the support is connected between the pier and the beam body.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
The embodiment of the invention relates to a replaceable bridge damping and energy-consuming connecting piece structure, which comprises two bridge piers 1 and two bridge bodies 2, wherein the tops of the bridge piers 1 are connected with the bridge bodies 2 through supports 26, a first bridge damping and energy-consuming device 7 is arranged between the outer walls of one sides corresponding to the two bridge bodies 2, the bridge piers 1 are multiple, the bridge piers 1 are symmetrically distributed, a second bridge damping and energy-consuming device 10 is arranged between the two corresponding bridge piers 1, two ends of the first bridge damping and energy-consuming device 7 are respectively and movably connected with a first connecting rod 5 and a second connecting rod 6, two ends of the second bridge damping and energy-consuming device 10 are respectively and movably connected with a third connecting rod 8 and a fourth connecting rod 9, the tops and the bottoms of the outer walls of one sides corresponding to the two bridge bodies 2 are respectively and fixedly connected with beam body embedded steel plates 4, and the tops and the bottoms of one sides of the two corresponding.
In this embodiment, by arranging the first bridge damping and energy dissipating device 7, the second bridge damping and energy dissipating device 10, the beam body embedded steel plate 3, the pier embedded steel plate 4, the first connecting plate 18 and the second connecting plate 25, the device is convenient to mount and dismount, and the device is favorable for maintenance and replacement after failure of the bridge damping and energy dissipating device.
Example 2
Referring to fig. 2 to 4, in this embodiment, a plurality of first bridge damping and energy dissipating devices 7 are further optimized based on embodiment 1, specifically, the plurality of first bridge damping and energy dissipating devices 7 are uniformly distributed in a rectangular shape, and ends of the first connecting rods 5 and the second connecting rods 6 far away from the first bridge damping and energy dissipating devices 7 are respectively fixedly connected to middle portions of outer wall sides of two corresponding beam embedded steel plates 4.
Specifically, there are two second bridge damping and energy dissipating devices 10, two second bridge damping and energy dissipating devices 10 are distributed on the top and the bottom of the outer wall of two corresponding piers 1 in a staggered manner, and one ends of the third connecting rod 8 and the fourth connecting rod 9, which are far away from the second bridge damping and energy dissipating devices 10, are fixedly connected with two pier embedded steel plates 11 respectively.
Specifically, the beam body embedded steel plate 4 and the pier embedded steel plate 11 are respectively connected with the embedded steel plate connecting reinforcing steel bars 3 between the beam body 2 and the pier 1 on the side close to the outer walls of the beam body 2 and the pier 1.
In this embodiment, through setting up scalable buckled plate 14, can increase or reduce the quantity of scalable buckled plate 14 according to the shock attenuation power consumption requirement of difference to improve the anti-seismic performance of device, guaranteed the security performance of bridge. The disassembled bridge damping and energy dissipation device is disassembled and then the failed telescopic corrugated plate 14 is replaced, so that the device can be repeatedly used, and the later maintenance cost of the device is reduced.
Example 3
Referring to fig. 5-7, the present embodiment is optimized based on the embodiment 1 or 2, and specifically, the first bridge damping and energy dissipating device 7 and the second bridge damping and energy dissipating device 10 both include a first connecting steel plate 13 outside the corrugated plate and a second connecting steel plate 15 inside the corrugated plate, and both sides of outer walls of the first connecting steel plate 13 outside the corrugated plate and the second connecting steel plate 15 inside the corrugated plate are respectively and fixedly connected with a first connecting plate 18 and a second connecting plate 25.
Specifically, the first connecting steel plate 13 is close to one side inner wall of the second connecting plate 25 and the inboard second connecting steel plate 15 of buckled plate is close to the equal fixedly connected with second limiting plate 17 in one side outer wall top and the bottom of second connecting plate 25, threaded hole 24 is all seted up all around to the outer wall of first connecting plate 18 and second connecting plate 25, there is first connecting bolt 12 first connecting bolt through threaded hole 24 and first connecting rod 5 between screw hole 24 and the second connecting plate 25, second connecting rod 6, equal threaded connection between third connecting rod 8 and the fourth connecting rod 9.
Specifically, first connecting plate 18 and second connecting plate 25 are close to the first splint 19 of fixedly connected with and second splint 20 respectively in the outer wall one side of the first connecting steel sheet 13 in the buckled plate outside, are equipped with scalable buckled plate 14 between the first connecting steel sheet 13 in the buckled plate outside and the inboard second connecting steel sheet 15 of buckled plate, scalable buckled plate 14 both ends respectively with first splint 19 and second splint 20 between fixedly connected with second connecting bolt 23.
Specifically, the middle part of the outer wall of one side of the second connecting plate 25, which is close to the inner second connecting steel plate 15 of the corrugated plate, is connected with a U-shaped sliding block 21, one end of the inner second connecting steel plate 15 of the corrugated plate is connected with the U-shaped sliding block 21 in a sliding manner, and a lubricant 22 is filled between the U-shaped sliding block 21 and the inner second connecting steel plate 15 of the corrugated plate.
In this embodiment, through setting up first splint 19, second splint 20 and second connecting bolt 23, be convenient for carry out single change to the scalable buckled plate 14 that became invalid to reduce the change number of times of whole device, reduced the later stage maintenance and the maintenance cost of device.
In summary, the following steps: the invention facilitates the installation and the disassembly of the bridge damping and energy-consuming connecting piece, is beneficial to the maintenance of the bridge damping and energy-consuming device and the replacement after failure, and can increase or reduce the number of the telescopic corrugated plates 14 according to different damping and energy-consuming requirements, thereby improving the anti-seismic performance of the bridge damping and energy-consuming connecting piece and ensuring the safety performance of the bridge. The dismantled bridge damping and energy consumption connecting piece is disassembled and then is replaced with the failed telescopic corrugated plate 14, and the failed telescopic corrugated plate 14 can be replaced singly, so that the detachable bridge damping and energy consumption connecting piece can be repeatedly used, the replacement times of the whole device are reduced, and the later maintenance and maintenance cost of the device is reduced.
The present invention is not limited to the above embodiments, and the scope of the invention is defined by the appended claims, and all changes that come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein.

Claims (8)

1. The utility model provides a removable formula bridge shock attenuation power consumption connecting piece structure, includes pier (1), its characterized in that: the top of pier (1) adopts support (26) to be connected with the roof beam body (2), the roof beam body (2) has two, two be equipped with first bridge damping energy dissipation device (7) between the corresponding one side outer wall of the roof beam body (2), pier (1) has a plurality ofly, and is a plurality of pier (1) symmetric distribution, be equipped with second bridge damping energy dissipation device (10) between two corresponding pier (1), the both ends of first bridge damping energy dissipation device (7) swing joint have head rod (5) and second connecting rod (6) respectively, the both ends of second bridge damping energy dissipation device (10) swing joint have third connecting rod (8) and fourth connecting rod (9) respectively, the equal fixedly connected with roof beam body pre-buried steel sheet (4) in one side outer wall top and the bottom that two corresponding roof beam bodies (2) are corresponding, the equal fixedly connected with pier pre-buried steel sheet (11) in one side top and the bottom of two corresponding pier (1).
2. The replaceable bridge damping and energy dissipating connector structure of claim 1, wherein: the first bridge damping and energy dissipation devices (7) are multiple in number, the first bridge damping and energy dissipation devices (7) are evenly distributed in a rectangular shape, and one ends, far away from the first bridge damping and energy dissipation devices (7), of the first connecting rods (5) and the second connecting rods (6) are fixedly connected with the middle portions of the outer walls of the two corresponding beam body embedded steel plates (4) on one side respectively.
3. The replaceable bridge damping and energy dissipating connector structure of claim 1, wherein: the second bridge damping and energy dissipating devices (10) are two, the second bridge damping and energy dissipating devices (10) are distributed at the top and the bottom of the outer wall of each of the two corresponding piers (1) in a staggered mode, and one ends, far away from the second bridge damping and energy dissipating devices (10), of the third connecting rods (8) and the fourth connecting rods (9) are fixedly connected with the embedded steel plates (11) of the two piers respectively.
4. The replaceable bridge damping and energy dissipating connector structure of claim 1, wherein: the beam body embedded steel plate (4) and the bridge pier embedded steel plate (11) are close to one side of the outer wall of the beam body (2) and one side of the outer wall of the bridge pier (1) and fixedly connected with embedded steel plate connecting reinforcing steel bars (3) between the beam body (2) and the bridge pier (1).
5. The replaceable bridge damping and energy dissipating connector structure of claim 1, wherein: first bridge damping and energy dissipation device (7) and second bridge damping and energy dissipation device (10) all include first connecting steel sheet (13) in the buckled plate outside and inboard second connecting steel sheet (15) of buckled plate, the outer wall both sides of first connecting steel sheet (13) in the buckled plate outside and the inboard second connecting steel sheet of buckled plate (15) are first connecting plate (18) of fixedly connected with and second connecting plate (25) respectively.
6. The replaceable bridge damping and energy dissipating connector structure of claim 5, wherein: first connecting steel sheet (13) are close to one side inner wall and the inboard second connecting steel sheet (15) of buckled plate of second connecting plate (25) and are close to one side outer wall top and the equal fixedly connected with second limiting plate in bottom of second connecting plate (25), threaded hole (24) are all seted up all around to the outer wall of first connecting plate (18) and second connecting plate (25), equal threaded connection has first connecting bolt (12) between first connecting plate (18) and second connecting plate (25) through threaded hole (24) and head rod (5), second connecting rod (6), third connecting rod (8) and fourth connecting rod (9).
7. The replaceable bridge damping and energy dissipating connector structure of claim 5, wherein: first connecting plate (18) and second connecting plate (25) are close to the outer wall one side of the first connecting steel sheet in the buckled plate outside (13) and are fixedly connected with first splint (19) and second splint (20) respectively, be equipped with scalable buckled plate (14) between the first connecting steel sheet in the buckled plate outside (13) and the inboard second connecting steel sheet of buckled plate (15), the both ends of scalable buckled plate (14) respectively with first splint (19) and second splint (20) between fixedly connected with second connecting bolt (23).
8. The replaceable bridge damping and energy dissipating connector structure of claim 5, wherein: one side outer wall middle part that second connecting plate (25) are close to inboard second connecting steel sheet of buckled plate (15) is connected with U type slider (21), the one end and U type slider (21) sliding connection of the inboard second connecting steel sheet of buckled plate (15), it has emollient (22) to fill between U type slider (21) and the inboard second connecting steel sheet of buckled plate (15).
CN202010955741.0A 2020-09-11 2020-09-11 Replaceable bridge damping energy-consumption connecting piece structure Pending CN112095442A (en)

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Application Number Priority Date Filing Date Title
CN202010955741.0A CN112095442A (en) 2020-09-11 2020-09-11 Replaceable bridge damping energy-consumption connecting piece structure

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Application Number Priority Date Filing Date Title
CN202010955741.0A CN112095442A (en) 2020-09-11 2020-09-11 Replaceable bridge damping energy-consumption connecting piece structure

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Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006077492A (en) * 2004-09-10 2006-03-23 Hanshin Expressway Public Corp Earthquake resisting pier
KR20060114973A (en) * 2005-05-03 2006-11-08 주식회사 기주건설 Earthquake-proof reinforcement shock relaxation system of bridge structure
CN204000593U (en) * 2014-08-06 2014-12-10 湖州中盛公路桥梁工程有限公司 The crashproof damping bridge of a kind of parallel connection
CN105839518A (en) * 2016-04-08 2016-08-10 石家庄铁道大学 Energy-dissipation and shock-absorption tie beam for double-limb pier
CN107780336A (en) * 2017-09-21 2018-03-09 同济大学 Wave-shape board damper
CN108729343A (en) * 2018-05-24 2018-11-02 西南交通大学 It can restore assembled energy consumption stub structure after a kind of shake
CN110055880A (en) * 2019-05-31 2019-07-26 中铁二院工程集团有限责任公司 A kind of railroad bridge damping energy consumption anti-fall girder apparatus
CN111021232A (en) * 2019-12-03 2020-04-17 天津大学 Double-column type self-resetting concrete filled steel tube pier with replaceable energy-consuming corrugated steel connecting beam

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2006077492A (en) * 2004-09-10 2006-03-23 Hanshin Expressway Public Corp Earthquake resisting pier
KR20060114973A (en) * 2005-05-03 2006-11-08 주식회사 기주건설 Earthquake-proof reinforcement shock relaxation system of bridge structure
CN204000593U (en) * 2014-08-06 2014-12-10 湖州中盛公路桥梁工程有限公司 The crashproof damping bridge of a kind of parallel connection
CN105839518A (en) * 2016-04-08 2016-08-10 石家庄铁道大学 Energy-dissipation and shock-absorption tie beam for double-limb pier
CN107780336A (en) * 2017-09-21 2018-03-09 同济大学 Wave-shape board damper
CN108729343A (en) * 2018-05-24 2018-11-02 西南交通大学 It can restore assembled energy consumption stub structure after a kind of shake
CN110055880A (en) * 2019-05-31 2019-07-26 中铁二院工程集团有限责任公司 A kind of railroad bridge damping energy consumption anti-fall girder apparatus
CN111021232A (en) * 2019-12-03 2020-04-17 天津大学 Double-column type self-resetting concrete filled steel tube pier with replaceable energy-consuming corrugated steel connecting beam

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