CN205934697U - Hollow slab bridge superstructure stop device that combats earthquake - Google Patents
Hollow slab bridge superstructure stop device that combats earthquake Download PDFInfo
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- CN205934697U CN205934697U CN201620891798.8U CN201620891798U CN205934697U CN 205934697 U CN205934697 U CN 205934697U CN 201620891798 U CN201620891798 U CN 201620891798U CN 205934697 U CN205934697 U CN 205934697U
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- antidetonation
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- hollow slab
- stopping means
- locating part
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Abstract
The utility model belongs to the technical field of bridge damping, a hollow slab bridge superstructure stop device that combats earthquake is related to. Antidetonation stop device includes vertical locating part, vertical locating part and the about bundle axis of three -dimensional round pin, vertical locating part anchor is on bridge pier bent cap's positive facade, vertical locating part anchor is on empty core plate's bottom plate, the about bundle axis pin hinge of three -dimensional connects vertical locating part and vertical locating part. Compared with the prior art, the utility model discloses avoiding influencing on bridge normal traffic, not relating to new old concrete and combine the problem, the subitem construction technology is ripe, move about freely and quickly and erect the three -dimensional and all have the restraint and have and hold the space that shakes, the later maintenance of being convenient for, economic effects and showing, to the bridge of the antidetonation grade construction according to " zoning map " settlement in the past, it is wide that its superstructure antidetonation stop device market prospect is reformed transform in reinforcement to to earthquake, transportation, worker china democratic national construction association build, relevant industries such as water conservancy electric power are newly -built, renovating and enlarging and the construction project of reinforcing the reinforcement has the enlightening meaning.
Description
Technical field
This utility model belongs to Bridge Seismic technical field, it particularly relates to a kind of hollow slab bridge superstructure antidetonation
Stopping means.
Background technology
Based on the guilding principle of preventing and reducing natural disasters of China's " to put prevention first, anti-anti- rescuing combines ", integrated economics social development
Level, receives the advanced disaster reduction and prevention theory of the states such as Japan, the U.S. it is considered to Seismotectonic Environment and SEISMICITY CHARACTERISTICS, reference
《5th generation ground motion parameter zoning map》, adhere to science and technology for this, to ensure the superstructure of existing bridge particularly hollow slab bridge
" no damage in small earthquake, middle shake can be repaiied, can not shaken greatly ".
Broadening using positive stop, aseismatic bearing, damping crab-bolt, bent cap more than the spacing technology of bridge superstructure antidetonation at present
Support, bridge floor are continuous, simply supported beam becomes the technology such as continuous beam, pier consolidation, MTMD and floating system.Above-mentioned technology is used alone office
It is sex-limited that also more substantially (three-dimensional binding effect is poor, or causing brutal weak post effect technological adaptability difficulty, wanting
With high costs etc.).
For bridge superstructure particularly hollow slab bridge superstructure, consider setting positive stop the design period more, subtract
(L is the calculating across footpath of beam, and L unit is m, and a unit is for shake crab-bolt and the bearing length a >=70+0.5L implementing superstructure girder
Cm) the measure such as technology；Adopt Simply supported non-uniform technology and lid in operation phase antidetonation limit configuration reinforcement and strengthening rebuilding construction more
Beam broadening support technology.For in the hollow slab bridge of operating service, its top structural seismic spacing reinforcement and strengthening rebuilding construction
Middle need to suspend traffic or solve the problems, such as little side amount concrete new-old bond strength, exploitativeness is poor.
Content of the invention
For solving above-mentioned technical problem, it is strong, easy to maintain, good limit effect that this utility model provides a kind of implementation
Hollow slab bridge superstructure antidetonation stopping means.
A kind of hollow slab bridge superstructure antidetonation stopping means described in the utility model, described antidetonation stopping means include
Vertical spacing part 3, longitudinal spacing part 4 and three-dimensional constraint pivot pin 5；Described vertical spacing part 3 is anchored in the positive facade of pier cap beam 1
On；Described longitudinal spacing part 4 is anchored on the base plate of cored slab 2；Described three-dimensional constrains the hinged vertical spacing part 3 of pivot pin 5 and indulges
To locating part 4.
A kind of hollow slab bridge superstructure antidetonation stopping means described in the utility model, described vertical spacing part 3 includes
Base A31, stiffener A32 and limiting plate A33；Limiting plate A33 is vertically fixed on the base A31 of level, and its lower end is provided with perpendicular
To constrained port 34；Stiffening rib A32 has two, top all be vertically fixed on base A31, side is fixed on limiting plate A33.
A kind of hollow slab bridge superstructure antidetonation stopping means described in the utility model, described base A31 is provided with spiral shell
Hole, passes through for shearing bolt 35 and pier cap beam 1 connects.
A kind of hollow slab bridge superstructure antidetonation stopping means described in the utility model, described longitudinal spacing part 4 includes
Base B41, stiffener B42 and positive stop strip B43；Limiting plate B43 is vertically fixed on the base B41 of level, and its lower end is provided with vertical
To constrained port 44；Stiffening rib B42 has two, top all be vertically fixed on base B41, side is fixed on limiting plate AB3.
A kind of hollow slab bridge superstructure antidetonation stopping means described in the utility model, described base B41 is provided with spiral shell
Hole, passes through for resistance to plucking bolt 45 and cored slab 2 connects.
Compared with prior art, hollow slab bridge superstructure antidetonation stopping means described in the utility model have following excellent
Point：Avoid affecting normal traffic on bridge, be not related to conjunction old and new concret problem, subitem construction technology is ripe, erect three-dimensional in length and breadth
All Constrained and have appearance shake space, be easy to later maintenance, obvious economic；It is based on《5th generation ground motion parameter zoning map》,
To the bridge built according to the seismic behavior that " zoning map " sets in the past, reinforcement and strengthening transforms its top structural seismic stopping means
Wide market, and newly-built, renovating and enlarging to relevant industries such as earthquake, transportation, civil building, hydraulic and electric engineerings and plus
Gu the construction project of reinforcement has enlightening meaning.
Brief description
Fig. 1 is hollow slab bridge superstructure antidetonation stopping means figure；Fig. 2 is vertical spacing part figure；Fig. 3 is longitudinal spacing part
Figure；Fig. 4 constrains pivot pin for three-dimensional；Pier cap beam 1, cored slab 2, vertical spacing part -3, longitudinal spacing part -4, three-dimensional constraint pivot pin
5th, base A-31, stiffener A-32, positive stop strip A-33, vertical constrained port -34, shearing bolt -35, base B-41, stiffener B-
42nd, positive stop strip B-43, longitudinal restraint hole -44, resistance to plucking bolt -45.
Specific embodiment
With reference to specific embodiment, hollow slab bridge superstructure antidetonation stopping means described in the utility model are done
Further illustrate, but protection domain of the present utility model is not limited to this.
Embodiment 1
A kind of hollow slab bridge superstructure antidetonation stopping means, described antidetonation stopping means include vertical spacing part 3, longitudinal direction
Locating part 4 and three-dimensional constraint pivot pin 5；Described vertical spacing part 3 is anchored on the positive facade of pier cap beam 1；Described longitudinal spacing
Part 4 is anchored on the base plate of cored slab 2；The described three-dimensional constraint hinged vertical spacing part 3 of pivot pin 5 and longitudinal spacing part 4.Described perpendicular
Include base A31, stiffener A32 and limiting plate A33 to locating part 3；Limiting plate A33 is vertically fixed on the base A31 of level,
Its lower end is provided with vertical constrained port 34；Stiffening rib A32 has two, top all be vertically fixed on base A31, side is fixed on
On limiting plate A33.Described base A31 is provided with screw, passes through for shearing bolt 35 and pier cap beam 1 connects.Described longitudinally limit
Position part 4 includes base B41, stiffener B42 and positive stop strip B43；Limiting plate B43 is vertically fixed on the base B41 of level, under it
End is provided with longitudinal restraint hole 44；Stiffening rib B42 has two, top all be vertically fixed on base B41, side is fixed on spacing
On plate AB3.Described base B41 is provided with screw, passes through for resistance to plucking bolt 45 and cored slab 2 connects.
Engineering practice shows, this antidetonation stopping means are directed to the spacing reinforcement correctional effect of hollow slab bridge superstructure antidetonation and show
Work, measure are feasible；And design spacing to newly-built hollow slab bridge superstructure antidetonation can provide beneficial reference；Set with adapting to antidetonation
The new criteria of anti-aspect, new standard, new regulation require.Engineering practice is not it is also shown that this antidetonation stopping means affect bridge top
Structure freely stretching under temperature action；The mechanics of bent cap and superstructure is not affected in the daily operation of this antidetonation stopping means
Performance；This antidetonation stopping means do not affect maintenance replacing to bearing etc.；This antidetonation stopping means will not be constituted to pier stud plasticity
The potential risk that hinge is destroyed.
Claims (5)
1. a kind of hollow slab bridge superstructure antidetonation stopping means are it is characterised in that described antidetonation stopping means include vertically limiting
Position part (3), longitudinal spacing part (4) and three-dimensional constraint pivot pin (5)；Described vertical spacing part (3) is just being anchored in pier cap beam (1)
On facade；Described longitudinal spacing part (4) is anchored on the base plate of cored slab (2)；Described three-dimensional constrains the hinged vertical limit of pivot pin (5)
Position part (3) and longitudinal spacing part (4).
2. hollow slab bridge superstructure antidetonation stopping means according to claim 1 are it is characterised in that described vertical spacing
Part (3) includes base A (31), stiffener A (32) and limiting plate A (33)；Limiting plate A (33) is vertically fixed on the base A of level
(31), on, its lower end is provided with vertical constrained port (34)；Stiffening rib A (32) has two, top all be vertically fixed on base A (31)
On, side is fixed on limiting plate A (33).
3. hollow slab bridge superstructure antidetonation stopping means according to claim 2 are it is characterised in that described base A
(31) it is provided with screw, pass through for shearing bolt (35) and pier cap beam (1) connects.
4. hollow slab bridge superstructure antidetonation stopping means according to claim 1 are it is characterised in that described longitudinal spacing
Part (4) includes base B (41), stiffener B (42) and positive stop strip B (43)；Limiting plate B (43) is vertically fixed on the base B of level
(41), on, its lower end is provided with longitudinal restraint hole (44)；Stiffening rib B (42) has two, top all be vertically fixed on base B (41)
On, side is fixed on limiting plate B (43).
5. hollow slab bridge superstructure antidetonation stopping means according to claim 4 are it is characterised in that described base B
(41) it is provided with screw, pass through for resistance to plucking bolt (45) and cored slab (2) connects.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891798.8U CN205934697U (en) | 2016-08-17 | 2016-08-17 | Hollow slab bridge superstructure stop device that combats earthquake |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201620891798.8U CN205934697U (en) | 2016-08-17 | 2016-08-17 | Hollow slab bridge superstructure stop device that combats earthquake |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205934697U true CN205934697U (en) | 2017-02-08 |
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ID=57918893
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201620891798.8U Active CN205934697U (en) | 2016-08-17 | 2016-08-17 | Hollow slab bridge superstructure stop device that combats earthquake |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457169A (en) * | 2018-02-10 | 2018-08-28 | 郑州航空工业管理学院 | Bridge earthquake resistance damping device |
| CN112695626A (en) * | 2020-12-30 | 2021-04-23 | 朱锋 | High pier bridge seismic isolation structure with inhaul cable support |
| CN114164747A (en) * | 2021-12-21 | 2022-03-11 | 上海市政工程设计研究总院（集团）有限公司 | New and old structure collaborative stress structure for bridge widening |
-
2016
- 2016-08-17 CN CN201620891798.8U patent/CN205934697U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108457169A (en) * | 2018-02-10 | 2018-08-28 | 郑州航空工业管理学院 | Bridge earthquake resistance damping device |
| CN112695626A (en) * | 2020-12-30 | 2021-04-23 | 朱锋 | High pier bridge seismic isolation structure with inhaul cable support |
| CN114164747A (en) * | 2021-12-21 | 2022-03-11 | 上海市政工程设计研究总院（集团）有限公司 | New and old structure collaborative stress structure for bridge widening |
| CN114164747B (en) * | 2021-12-21 | 2023-11-03 | 上海市政工程设计研究总院（集团）有限公司 | New and old structure cooperative stress structure for bridge widening |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |