CN102345279A - Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof - Google Patents
Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof Download PDFInfo
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- CN102345279A CN102345279A CN2011103269340A CN201110326934A CN102345279A CN 102345279 A CN102345279 A CN 102345279A CN 2011103269340 A CN2011103269340 A CN 2011103269340A CN 201110326934 A CN201110326934 A CN 201110326934A CN 102345279 A CN102345279 A CN 102345279A
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Abstract
The invention relates to a gate pier connection structure of marine constructions in a high seismic intensity region and a construction method thereof. Through the invention, no extra additional stress is produced in normal times and dynamic response and displacement of gate piers can be reduced during an earthquake so as to reach the objective of preventing the gate piers from being cracked and damaged. The technical scheme of the invention is that the gate pier connection structure of marine constructions in the high seismic intensity region comprises a gate pier foundation and gate piers poured at two sides of the gate pier foundation, and the gate pier connection structure is characterized in that a hyperviscosity fluid damper used for reducing the dynamic response of the gate piers is connected between the two gate piers. The gate pier connection structure of marine constructions in the high seismic intensity region and the construction method thereof are suitable for the treatment of a gate pier anti-seismic structure of marine constructions in the high seismic intensity region and can effectively solve the problems that the gate piers of marine constructions in the high seismic intensity region are easy to crack and break and influenced on safe operation, and the like.
Description
Technical field
The present invention relates to a kind of high earthquake intensity district hydraulic structure gate pier syndeton and job practices.Be applicable to the processing of high earthquake intensity district hydraulic structure gate pier earthquake resistant structure, can solve effectively high earthquake intensity district hydraulic structure gate pier easy to crack, destroy and influence problems such as its safe operation.
Background technology
The district builds reservoir dam at high earthquake intensity, and seismic design is a critical technical problems, and wherein gate pier is thin owing to structure, and is arranged in the dam top more, and the earthquake motion response is strong, is the weak link of dam antidetonation.When earthquake took place, gate pier was subjected to geological process to be the vibrations of fast cycle property to be out of shape, will to produce very big moving tensile stress, caused gate pier bottom cracking and destroyed, and then influence gate opening, and jeopardize engineering safety.
At present, the gate pier seismic design adopts the reinforcement reinforcement manner usually, though can limit the development of gate pier crack, can not reduce the dynamic response of gate pier; If the gate pier top adopts rigid structures to connect, though can reduce the dynamic response of gate pier, the imposed load that is rigidly connected (comprising temperature load) is very big, and structure design is difficulty very.This just presses for a kind of brand-new high earthquake intensity district hydraulic structure gate pier syndeton pattern that is used for of research; But distortion such as adaptive temperature, water ballast(ing) at ordinary times; Do not produce extra subsidiary stress, can reduce the dynamic response and the displacement of gate pier during earthquake, prevent its cracking destruction.
Summary of the invention
The technical problem that the present invention will solve is: to the problem of above-mentioned existence; A kind of high earthquake intensity district hydraulic structure gate pier syndeton and job practices are provided; Do not produce extra subsidiary stress at ordinary times; Can reduce the dynamic response and the displacement of gate pier during earthquake, reach the purpose that prevents gate pier cracking and destruction.
The technical scheme that the present invention adopted is: high earthquake intensity district hydraulic structure gate pier syndeton; Comprise that gate pier is basic, gate pier has been built in the basic both sides of gate pier, it is characterized in that: be connected with the high viscous fluid damper that reduces the gate pier dynamic response between described two gate piers.
Said high viscous fluid damper arrangement is at the gate pier top, and spacing is 3～5m.
High viscous fluid damper two ends are connected said pre-embedded steel slab length * wide * thick 30cm * 30cm * 2cm that is of a size of through ears forks with pre-embedded steel slab in the gate pier of both sides.
By the steel pin pin joint, and steel pin is combined with thin nut between high viscous fluid damper and the ears fork.
Between ears forks and the pre-embedded steel slab through bolt or weld and be fixedly connected.
Corresponding to pre-embedded steel slab, in gate pier, be provided with and be used to reinforce the dowel that pre-embedded steel slab is connected with gate pier, said dowel is 4, diameter phi 32mm.
The job practices of high earthquake intensity district hydraulic structure gate pier syndeton is characterized in that having adopted following steps:
A, gate pier is carried out Cable Power Computation, confirm the maximum pull that high viscous fluid damper quantity and Dan Zhigao viscous fluid damper are born according to the job site situation;
B, carry out the construction of reinforced concrete pier basis and gate pier, on gate pier corresponding to intending location arrangements pre-embedded steel slab and the dowel that high viscous fluid damper is installed;
C, selection ears fork and pre-embedded steel slab are with bolt or be welded to connect firm;
D, the high viscous fluid damper of lifting are connected high viscous fluid damper with thin nut with steel pin with the ears fork, the steel pin diameter is confirmed by the maximum pull that Dan Zhigao viscous fluid damper can bear.
The quantity of said high viscous fluid damper is 3 ~ 5, and the installation site is at the gate pier top, and the spacing of damper is 3 ~ 5m.
The length of the said pre-embedded steel slab of the step b * wide * thick 30cm * 30cm * 2cm that is of a size of, the dowel injection is gone in the gate pier, adopts the dowel of 4 diameter phi 32mm, is Π shape with pre-embedded steel slab and is connected.
The invention has the beneficial effects as follows: adopt high viscous fluid damper that the gate pier top is coupled together, the level that has retrained gate pier reduces its dynamic response to displacement, thereby reaches the purpose of structural damping.
Under static situation, high viscous fluid damper can adapt to malformation slowly, can not influence the stressing conditions of structure, thereby does not produce extra subsidiary stress; When earthquake takes place when; Produce relative displacement with piston rod in the high viscous fluid damper that gate pier top, both sides is connected, promote high viscous damping medium and produce damping force, rapidly dissipation energy; Reduce the displacement and the acceleration of gate pier, reach the purpose that reduces gate pier dynamic response and structural seismic.
Description of drawings
Fig. 1 is a facade arrangement diagram of the present invention.
Fig. 2 is the structure chart of high viscous fluid damper among the present invention.
Fig. 3 is the sectional view of ears fork among the present invention.
The specific embodiment
As shown in Figure 1, present embodiment utilizes high viscous fluid damper 3 to reduce the dynamic response and the displacement of gate pier 1.Present embodiment comprises between gate pier basis 2 and gate pier 1, two gate pier 1 that is cast in 2 both sides, gate pier basis and to reach the purpose of structural seismic with high viscous fluid damper 3 connections.Said high viscous fluid damper 3 generally is arranged in gate pier 1 top, and quantity is confirmed by gate pier 1 Cable Power Computation, generally adopted 3 ~ 5 high viscous fluid dampers 3.Present embodiment adopts 5 high viscous fluid dampers 3, and mutual spacing is 3 ~ 5m.
Said high viscous fluid damper 3 two ends are connected with dowel 4 with pre-embedded steel slab 5 on the both sides gate pier 1 through ears fork 6 respectively, dowel 4 injections in gate pier 1, make be connected between pre-embedded steel slab 5 and the gate pier 1 more firm.High viscous fluid damper 3 two ends (annulus part) are through an end (ears part) pin joint of steel pin and thin nut and ears fork 6, and the other end (plate part) of ears fork 6 welds with pre-embedded steel slab 5.The steel pin diameter confirms that by the maximum pull that Dan Zhigao viscous fluid damper 3 can bear generally the damper weight range is 50kN ~ 2000kN, and the steel pin diameter is generally selected φ 36 for use.
In gate pier 1 work progress, bury pre-embedded steel slab 5 and dowel 4 in advance underground, pre-embedded steel slab 5 is of a size of 30cm * 30cm * 2cm (long * wide * thick), adopts the dowel of 4 diameter phi 32mm, is Π shape and connects.Pre-embedded steel slab 5 is connected with ears fork 6 usefulness bolts or firm welding.
The construction sequence of high earthquake intensity district hydraulic structure gate pier syndeton is:
A, gate pier 1 is carried out Cable Power Computation, confirm the maximum pull that high viscous fluid damper 3 quantity and Dan Zhigao viscous fluid damper 3 are born according to the job site situation.Like this example 5 high viscous fluid dampers 3 intend to be installed, the maximum pull that every damper can bear is 1000kN (measurement unit); Confirm the damping ratio and the piston rod stroke of Dan Zhigao viscous damper 3 again.The installation site of selected high viscous fluid damper 3 generally is arranged in gate pier 1 top, and spacing is 3 ~ 5m.
B, carry out gate pier 1 construction of reinforced concrete pier basis 2 and both sides; Pre-embedded steel slab 5 and dowel 4 are arranged in corresponding high viscous fluid damper 3 plan installation sites on gate pier 1; Pre-embedded steel slab 5 sizes are generally 30cm * 30cm * 2cm (long * wide * thick); Dowel 4 injections are in gate pier 1, and the dowel of 4 φ 32mm of employing is Π shape with pre-embedded steel slab 5 and is connected.
D, the high viscous fluid damper 3 of lifting; With thin nut high viscous fluid damper 3 is connected (steel pin passes the annulus of damper end and the ears on annulus both sides) with the ears side of ears fork 6 with steel pin, the steel pin diameter is confirmed by the maximum pull that Dan Zhigao viscous fluid damper 3 is born.
Under normal circumstances (earthquake does not take place), high viscous fluid damper 3 can adapt to gate pier 1 structure deformation slowly (distortion such as temperature, water ballast(ing)), can the stressing conditions of gate pier 1 not exerted an influence; When earthquake takes place; Gate pier 1 is subjected to earthquake effect to be periodic vibration to be out of shape; Piston rod generation relative displacement in this moment and the high viscous fluid damper 3 that gate pier 1 top in both sides is connected; Promote high viscous damping medium and produce damping force; Rapid dissipation energy; Reduce the displacement and the acceleration of gate pier 1, thereby reach the purpose that reduces gate pier 1 dynamic response and structural seismic.
Claims (9)
1. high earthquake intensity district hydraulic structure gate pier syndeton; Comprise that gate pier basis (2), (2) both sides, gate pier basis have built gate pier (1), it is characterized in that: be connected with the high viscous fluid damper (3) that reduces gate pier (1) dynamic response between described two gate piers (1).
2. high earthquake intensity according to claim 1 district hydraulic structure gate pier syndeton is characterized in that: said high viscous fluid damper (3) is arranged in gate pier (1) top, and spacing is 3～5m.
3. high earthquake intensity according to claim 1 district hydraulic structure gate pier syndeton; It is characterized in that: high viscous fluid damper (3) two ends are connected said pre-embedded steel slab (5) length * wide * thick 30cm * 30cm * 2cm that is of a size of through ears fork (6) with pre-embedded steel slab (5) in the both sides gate pier (1).
4. high earthquake intensity according to claim 3 district hydraulic structure gate pier syndeton is characterized in that: by the steel pin pin joint, and steel pin is combined with thin nut between high viscous fluid damper (3) and the ears forks (6).
5. high earthquake intensity according to claim 3 district hydraulic structure gate pier syndeton is characterized in that: between ears fork (6) and the pre-embedded steel slab (5) through bolt or weld and be fixedly connected.
6. according to claim 3 or 5 described high earthquake intensity district hydraulic structure gate pier syndetons; It is characterized in that: corresponding to pre-embedded steel slab (5); In gate pier (1), be provided with and be used to reinforce the dowel (4) that pre-embedded steel slab (5) is connected with gate pier (1); Said dowel (4) is 4, diameter phi 32mm.
7. the job practices of a high earthquake intensity as claimed in claim 3 district hydraulic structure gate pier syndeton is characterized in that having adopted following steps:
A, gate pier (1) is carried out Cable Power Computation, confirm the maximum pull that high viscous fluid damper (3) quantity and Dan Zhigao viscous fluid damper (3) are born according to the job site situation;
B, carry out the construction of reinforced concrete pier basis (2) and gate pier (1), go up location arrangements pre-embedded steel slab (5) and the dowel (4) of high viscous fluid damper (3) being installed corresponding to intending at gate pier (1);
C, selection ears forks (6) and pre-embedded steel slab (5) are with bolt or be welded to connect firm;
D, lifting high viscous fluid damper (3) are connected high viscous fluid damper (3) with thin nut with steel pin with ears forks (6), the steel pin diameter is confirmed by the maximum pull that Dan Zhigao viscous fluid damper (3) can bear.
8. the job practices of high earthquake intensity according to claim 7 district hydraulic structure gate pier syndeton is characterized in that: the quantity of said high viscous fluid damper (3) is 3 ~ 5, is arranged in gate pier (1) top, and spacing is 3～5m.
9. the job practices of high earthquake intensity according to claim 7 district hydraulic structure gate pier syndeton; It is characterized in that: the length of the said pre-embedded steel slab of step b (5) * wide * thick 30cm of being of a size of * 30cm * 2cm; Dowel (4) injection is gone in the gate pier (1); Adopt the dowel of 4 diameter phi 32mm, be Π shape with pre-embedded steel slab (5) and be connected.
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201110326934 CN102345279B (en) | 2011-10-25 | 2011-10-25 | Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof |
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| CN 201110326934 CN102345279B (en) | 2011-10-25 | 2011-10-25 | Gate pier connection structure of marine construction in high seismic intensity region and construction method thereof |
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| CN102345279A true CN102345279A (en) | 2012-02-08 |
| CN102345279B CN102345279B (en) | 2013-12-18 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422428A (en) * | 2013-08-28 | 2013-12-04 | 东南大学 | Horizontal wind vibration reaction control system of cable-stayed bridge with rigid hinges arranged in girder |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591091Y (en) * | 2002-11-22 | 2003-12-10 | 湖南省交通规划勘察设计院 | Water release gate |
| CN201099852Y (en) * | 2007-09-28 | 2008-08-13 | 张敏 | Sector gate shock-absorbing device |
| CN101315112A (en) * | 2008-07-22 | 2008-12-03 | 上海材料研究所 | Viscous damping device with axial position limiter |
| CN201412473Y (en) * | 2009-05-13 | 2010-02-24 | 东南大学 | Strong-force quick response damper |
| CN101942868A (en) * | 2010-09-28 | 2011-01-12 | 株洲时代新材料科技股份有限公司 | Viscous damping limiting method with limiting device and viscous damper |
| JP2011106095A (en) * | 2009-11-12 | 2011-06-02 | Chubu Electric Power Co Inc | Earthquake resistance improving structure for existing sluice column, and coupled aseismatic structure |
| CN202323883U (en) * | 2011-10-25 | 2012-07-11 | 中国水电顾问集团华东勘测设计研究院 | Connecting structure of gate piers of hydraulic buildings at seismic-intensity area |
-
2011
- 2011-10-25 CN CN 201110326934 patent/CN102345279B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2591091Y (en) * | 2002-11-22 | 2003-12-10 | 湖南省交通规划勘察设计院 | Water release gate |
| CN201099852Y (en) * | 2007-09-28 | 2008-08-13 | 张敏 | Sector gate shock-absorbing device |
| CN101315112A (en) * | 2008-07-22 | 2008-12-03 | 上海材料研究所 | Viscous damping device with axial position limiter |
| CN201412473Y (en) * | 2009-05-13 | 2010-02-24 | 东南大学 | Strong-force quick response damper |
| JP2011106095A (en) * | 2009-11-12 | 2011-06-02 | Chubu Electric Power Co Inc | Earthquake resistance improving structure for existing sluice column, and coupled aseismatic structure |
| CN101942868A (en) * | 2010-09-28 | 2011-01-12 | 株洲时代新材料科技股份有限公司 | Viscous damping limiting method with limiting device and viscous damper |
| CN202323883U (en) * | 2011-10-25 | 2012-07-11 | 中国水电顾问集团华东勘测设计研究院 | Connecting structure of gate piers of hydraulic buildings at seismic-intensity area |
Non-Patent Citations (2)
| Title |
|---|
| 叶正强等: "采用粘滞流体阻尼器的工程结构减振设计研究", 《建筑结构学报》, vol. 22, no. 4, 31 August 2001 (2001-08-31), pages 61 - 66 * |
| 张志强等: "建筑减振粘滞阻尼器工程应用新进展", 《江苏建筑》, no. 112, 28 February 2007 (2007-02-28), pages 15 - 19 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103422428A (en) * | 2013-08-28 | 2013-12-04 | 东南大学 | Horizontal wind vibration reaction control system of cable-stayed bridge with rigid hinges arranged in girder |
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Owner name: HYDROCHINA INTERNATIONAL ENGINEERING CO., LTD. Free format text: FORMER OWNER: EAST CHINA SURVEY AND DESIGN INST., CHINA HYDROPOWER CONSULTING GROUP Effective date: 20140521 |
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Free format text: CORRECT: ADDRESS; FROM: 310014 HANGZHOU, ZHEJIANG PROVINCE TO: 100120 XICHENG, BEIJING |
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Effective date of registration: 20140521 Address after: 100120, Beijing, Xicheng District, six paved Kang north side Street No. 2-1, No. six, shop 3, 2, Kang 5 Patentee after: HYDROCHINA INTERNATIONAL ENGINEERING CO., LTD. Address before: 310014 Hangzhou city in the lower reaches of the city of Zhejiang Wang Road, No. 22 Patentee before: East China Hydroelectric Investigation & Design Institute, China Hydropower Consulting Group |