CN206173784U - Vertically can there be limited -slip to move connecting piece - Google Patents
Vertically can there be limited -slip to move connecting piece Download PDFInfo
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- CN206173784U CN206173784U CN201621232782.2U CN201621232782U CN206173784U CN 206173784 U CN206173784 U CN 206173784U CN 201621232782 U CN201621232782 U CN 201621232782U CN 206173784 U CN206173784 U CN 206173784U
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Abstract
The utility model discloses a vertically can there be limited -slip to move connecting piece, its characterized in that: can guarantee promptly to make up in succession in the beam bridge concrete slab and girder steel erect the bridge to with horizontal bridge to reliable the connection, does not produce again and indulge the bridge and be used for connecting concrete slab and girder steel to combined action, connecting piece. The connecting piece includes perfobond strip, through -hole, perforation reinforcing bar and buffer block. Because the buffer block that perforated plate hole lateral wall set up is low elastic modulus material for the regional concrete in vertically can there be limited -slip to move connecting piece place can follow and indulge the bridge to producing freely sliding of certain limit, thus eliminated this region along indulge the bridge to combined action, can show and reduce this region concrete slab tensile stress, improvement prestressing force efficiency. And simultaneously, the utility model discloses still have advantages such as fatigue resistance ability excellence, construction convenience, at the steel wide application prospect has in the concrete combination continuous bridge.
Description
Technical field
The utility model is related to the utility model to be related to technical field of bridge engineering, and in particular to a kind of longitudinal direction can limited cunning
Move connector.
Background technology
When bridge is built, in continuous composite beam bridge sagging moment area, due to the compound action produced by connector, girder steel master
Tension is wanted, concrete slab is mainly pressurized, given full play to girder steel and the respective material property of concrete.But in continuous composite beam bridge
Hogging moment area, the compound action that connector is produced can but make the main tension of concrete slab, increase the cracking risk of concrete slab.
Meanwhile, the prestressing force applied in combination negative moment section of beam concrete slab by longitudinal prestressing strands can also be passed by connector
Girder steel is handed to, so as to substantially reduce the efficiency of longitudinal prestressing.Therefore, in combination negative moment section of beam, the group produced by connector
Cooperation can have adverse effect on to structure durability.But if connector is not used, and it cannot be guaranteed that concrete slab and steel
Beam in perpendicular bridge to the effective connection with direction across bridge.
The content of the invention
The purpose of this utility model be solve in continuous composite beam bridge is ensured concrete slab and girder steel along perpendicular bridge to and it is horizontal
Bridge to effectively connection while, and do not produce longitudinal direction from vertical bridge to compound action can limited slip joint problem.While this
Planting connector also has good anti-fatigue performance and constructs simple.
The technical scheme used to realize the utility model purpose is such, and a kind of longitudinal direction can limited sliding connection
Part, it is characterised in that：Connector is used to connect concrete slab and girder steel.
The concrete slab includes reinforcing bar in concrete and plate.Reinforcing bar is uniformly arranged in concrete slab in the plate.
The concrete slab is by concrete moulding by casting.
The girder steel includes girder steel base plate, steel beam web plate and girder steel top flange plate.The one of the steel beam web plate width
Side connects girder steel top flange plate, opposite side connection girder steel base plate.
The upper surface of the girder steel top flange plate contacts with the lower surface of concrete slab.
The connector includes open pore steel plate, through hole, perforation reinforcing bar and buffer stopper.The open pore steel plate is bar shaped steel, institute
State and be provided with open pore steel plate several through holes.The face that the open pore steel plate is provided with through hole is perforate face.The through hole is uniformly arranged
It is listed on the length direction of open pore steel plate.The both sides of the through hole are fixed with buffer stopper.
Center line of the part on through hole that the buffer stopper is located at through hole both sides is symmetrical.The buffer stopper and through-hole side wall
The side of contact be buffer stopper outside, not in contact with side for buffer stopper inner side.Profile on the outside of the buffer stopper with contact
The match profiles of through-hole side wall are closed.Profile on the inside of the buffer stopper is smooth curve.
Through hole of the perforation reinforcing bar through connector.
The connector is located in concrete slab, and the connector is integrally formed with reinforcing bar in plate using concreting.
The length direction of the open pore steel plate and vertical bridge are to consistent, and the laying direction of the perforation reinforcing bar is consistent with direction across bridge.It is described to open
The side in hole steel plate width direction contacts with the girder steel top flange plate of girder steel, the face for being contacted be affixed face, the affixed face with
Concrete slab lower surface is concordant.
Further, the rectangular configuration that the through hole is rounded down for corner.
Further, the quantity and spacing of the through hole can draw according to the specific stressing conditions of open pore steel plate, described logical
The size in hole draws also dependent on the specific stressing conditions of open pore steel plate.
Further, the open pore steel plate runs through concrete slab.
Further, arrangement density of the open pore steel plate in bridge length direction is drawn by the stressing conditions of composite beam bridge.
Further, the mode that the open pore steel plate is fixedly connected with girder steel top flange plate is welding.
Further, the buffer stopper is foam, rubber or plastics.
Further, through at least one perforation reinforcing bar in one through hole.
It is of the present utility model have the technical effect that it is unquestionable, due to longitudinal direction can limited slip joint perforate plate holes
Side wall is provided with low modulus of elasticity materials, can discharge constraint of the longitudinal direction to sliding, and weakens longitudinal combination effect, and then reduction sets
Put longitudinal direction can limited slip joint region concrete slab tension, and improve prestressing force efficiency.Concrete slab and girder steel
Can be also guaranteed to being reliably connected for direction across bridge in perpendicular bridge.Anti-fatigue performance and durability get a promotion, easy construction.
Brief description of the drawings
Fig. 1 is structural representation of the present utility model；
Fig. 2 is the profile of Fig. 1；
Fig. 3 is Fig. 2 partial enlarged drawings.
In figure：Girder steel (1), girder steel base plate (101), steel beam web plate (102), girder steel top flange plate (103), open pore steel plate
(2), through hole (201), buffer stopper (202), buffer stopper outside (2021), buffer stopper inner side (2022), concrete slab (3), coagulation
Reinforcing bar (302), perforation reinforcing bar (303) in native (301), plate.
Specific embodiment
With reference to embodiment, the utility model is described in further detail, but should not be construed the above-mentioned master of the utility model
Topic scope is only limitted to following embodiments.It is common according to this area in the case where the above-mentioned technological thought of the utility model is not departed from
Technological know-how and customary means, make various replacements and change, all should be included in protection domain of the present utility model.
Embodiment 1：
A kind of longitudinal direction can limited slip joint, it is characterised in that：Connector is used to connect concrete slab 3 and girder steel 1.
The concrete slab 3 includes reinforcing bar 302 in concrete 301 and plate.Reinforcing bar 302 is uniformly arranged in mixed in the plate
In concrete board 3.The concrete slab 3 is by the moulding by casting of concrete 301.
The girder steel 1 includes girder steel base plate 101, steel beam web plate 102 and girder steel top flange plate 103.The steel beam web plate 102
The side of width connects girder steel top flange plate 103, opposite side connection girder steel base plate 101.
The upper surface of the girder steel top flange plate 103 contacts with the lower surface of concrete slab 3.
The connector includes open pore steel plate 2, through hole 201, perforation reinforcing bar 303 and buffer stopper 202.The open pore steel plate 2
It is bar shaped steel, several through holes 201 is provided with the open pore steel plate 2.The face that the open pore steel plate 2 is provided with through hole 201 is perforate
Face.The through hole 201 is uniformly arranged on the length direction of open pore steel plate 2.The both sides of the through hole 201 are fixed with buffer stopper
202。
Center line of the part on through hole 201 that the buffer stopper 202 is located at the both sides of through hole 201 is symmetrical.The buffer stopper
202 is buffer stopper outside 2021 with the side of the sidewall contact of through hole 201, not in contact with side be buffer stopper inner side 2022.It is described
The profile in buffer stopper outside 2021 is closed with the match profiles of the through-hole side wall for contacting.The profile of the buffer stopper inner side 2022 is flat
Sliding curve.
The side wall of the through hole 201 is smooth curve, it is to avoid produce stress concentration.The through hole 201 is fixed with buffering
The both sides of block 202 are located on the length direction of open pore steel plate 2.The profile in the buffer stopper outside 2021 and buffer stopper inner side 2022
Profile it is identical.
Through hole 201 of the perforation reinforcing bar 303 through connector.
The connector is located in concrete slab 3, and the connector is poured using concrete 301 with reinforcing bar in plate 302 and built up
It is integrated.The length direction of the open pore steel plate 2 and vertical bridge to consistent, the laying direction of the perforation reinforcing bar 303 and direction across bridge
Unanimously.The side of the width of the open pore steel plate 2 contacts with the girder steel top flange plate 103 of girder steel 1, and the face for being contacted is affixed
Face, the affixed face is concordant with the lower surface of concrete slab 3.
The open pore steel plate 2 welds together with girder steel top flange plate 103.
The rectangle that the through hole 201 is rounded down for corner.
The quantity and spacing of the through hole 201 can draw according to the specific stressing conditions of open pore steel plate 2, the through hole
201 size draws also dependent on the specific stressing conditions of open pore steel plate 2.
The open pore steel plate 2 runs through concrete slab 3.
Arrangement density of the open pore steel plate 2 in bridge length direction is drawn by the stressing conditions of composite beam bridge.
The mode that the open pore steel plate 2 is fixedly connected with girder steel top flange plate 103 is welding.
The buffer stopper 202 is foam.
Through at least one perforation reinforcing bar 303 in one through hole 201.
Reinforcing bar 302 is not interfered in the perforation reinforcing bar 303 and plate.
Embodiment 2：
A kind of longitudinal direction can limited slip joint, it is characterised in that：Connector is used to connect concrete slab 3 and girder steel 1.
The concrete slab 3 includes reinforcing bar 302 in concrete 301 and plate.Reinforcing bar 302 is uniformly arranged in mixed in the plate
In concrete board 3.The concrete slab 3 is by the moulding by casting of concrete 301.
The girder steel 1 includes girder steel base plate 101, steel beam web plate 102 and girder steel top flange plate 103.The steel beam web plate 102
The side of width connects girder steel top flange plate 103, opposite side connection girder steel base plate 101.
The upper surface of the girder steel top flange plate 103 contacts with the lower surface of concrete slab 3.
The connector includes open pore steel plate 2, through hole 201, perforation reinforcing bar 303 and buffer stopper 202.The open pore steel plate 2
It is bar shaped steel, several through holes 201 is provided with the open pore steel plate 2.The face that the open pore steel plate 2 is provided with through hole 201 is perforate
Face.The through hole 201 is uniformly arranged on the length direction of open pore steel plate 2.The both sides of the through hole 201 are fixed with buffer stopper
202。
Center line of the part on through hole 201 that the buffer stopper 202 is located at the both sides of through hole 201 is symmetrical.The buffer stopper
202 is buffer stopper outside 2021 with the side of the sidewall contact of through hole 201, not in contact with side be buffer stopper inner side 2022.It is described
The profile in buffer stopper outside 2021 is closed with the match profiles of the through-hole side wall for contacting.The profile of the buffer stopper inner side 2022 is flat
Sliding curve.
The side wall of the through hole 201 is smooth curve, it is to avoid produce stress concentration.The through hole 201 is fixed with buffering
The both sides of block 202 are located on the length direction of open pore steel plate 2.The profile in the buffer stopper outside 2021 and buffer stopper inner side 2022
Profile it is identical.
Through hole 201 of the perforation reinforcing bar 303 through connector.
The connector is located in concrete slab 3, and the connector is poured using concrete 301 with reinforcing bar in plate 302 and built up
It is integrated.The length direction of the open pore steel plate 2 and vertical bridge to consistent, the laying direction of the perforation reinforcing bar 303 and direction across bridge
Unanimously.The side of the width of the open pore steel plate 2 contacts with the girder steel top flange plate 103 of girder steel 1, and the face for being contacted is affixed
Face, the affixed face is concordant with the lower surface of concrete slab 3.
The open pore steel plate 2 welds together with girder steel top flange plate 103.
The rectangle that the through hole 201 is rounded down for corner.
The quantity and spacing of the through hole 201 can draw according to the specific stressing conditions of open pore steel plate 2, the through hole
201 size draws also dependent on the specific stressing conditions of open pore steel plate 2.
The open pore steel plate 2 runs through concrete slab 3.
Arrangement density of the open pore steel plate 2 in bridge length direction is drawn by the stressing conditions of composite beam bridge.
The mode that the open pore steel plate 2 is fixedly connected with girder steel top flange plate 103 is welding.
The buffer stopper 202 is rubber.
Through at least one perforation reinforcing bar 303 in one through hole 201.
Reinforcing bar 302 is not interfered in the perforation reinforcing bar 303 and plate.
Claims (8)
1. a kind of longitudinal direction can limited slip joint, it is characterised in that：Connector is used to connect concrete slab (3) and girder steel (1)；
The concrete slab (3) includes reinforcing bar (302) in concrete (301) and plate；Reinforcing bar (302) is uniformly arranged in the plate
In concrete slab (3)；The concrete slab (3) is by concrete (301) moulding by casting；
The girder steel (1) includes girder steel base plate (101), steel beam web plate (102) and girder steel top flange plate (103)；The girder steel abdomen
The side of plate (102) width connects girder steel top flange plate (103), and opposite side connects girder steel base plate (101)；
The upper surface of the girder steel top flange plate (103) contacts with the lower surface of concrete slab (3)；
The connector includes open pore steel plate (2), through hole (201), perforation reinforcing bar (303) and buffer stopper (202)；The perforate steel
Plate (2) is bar shaped steel, and several through holes (201) are provided with the open pore steel plate (2)；The open pore steel plate (2) is provided with through hole
(201) face is perforate face；The through hole (201) is uniformly arranged on the length direction of open pore steel plate (2)；The through hole
(201) both sides are fixed with buffer stopper (202)；
Part center line on through hole (201) of the buffer stopper (202) positioned at through hole (201) both sides is symmetrical；The buffering
The side of block (202) and through hole (201) sidewall contact is buffer stopper outside (2021), not in contact with side be buffer stopper inner side
(2022)；The profile of buffer stopper outside (2021) is closed with the match profiles of the through-hole side wall for contacting；The buffer stopper inner side
(2022) profile is smooth curve；
Through hole (201) of perforation reinforcing bar (303) through connector；
The connector is located in concrete slab (3), and the connector is poured with reinforcing bar in plate (302) using concrete (301)
It is integrally formed；The length direction of the open pore steel plate (2) and vertical bridge to consistent, the laying direction of perforation reinforcing bar (303) with
Direction across bridge is consistent；The side of open pore steel plate (2) width contacts with the girder steel top flange plate (103) of girder steel (1), is connect
Tactile face is affixed face, and the affixed face is concordant with concrete slab (3) lower surface.
2. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The through hole (201) is
The rectangular configuration that corner is rounded down.
3. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The through hole (201)
Quantity and spacing can draw according to the specific stressing conditions of open pore steel plate (2), and the size of the through hole (201) is also dependent on opening
The specific stressing conditions of hole steel plate (2) draw.
4. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The open pore steel plate (2)
Through concrete slab (3).
5. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The open pore steel plate (2)
Arrangement density in bridge length direction is drawn by the stressing conditions of composite beam bridge.
6. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The open pore steel plate (2)
The mode being fixedly connected with girder steel top flange plate (103) is welding.
7. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：The buffer stopper (202)
It is foam, rubber or plastics.
8. a kind of longitudinal direction according to claim 1 can limited slip joint, it is characterised in that：One through hole
(201) through at least one perforation reinforcing bar (303) in.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232782.2U CN206173784U (en) | 2016-11-11 | 2016-11-11 | Vertically can there be limited -slip to move connecting piece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621232782.2U CN206173784U (en) | 2016-11-11 | 2016-11-11 | Vertically can there be limited -slip to move connecting piece |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206173784U true CN206173784U (en) | 2017-05-17 |
Family
ID=58685893
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621232782.2U Active CN206173784U (en) | 2016-11-11 | 2016-11-11 | Vertically can there be limited -slip to move connecting piece |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106988203A (en) * | 2017-05-19 | 2017-07-28 | 重庆工商职业学院 | With the concrete hollow slab bridge for laterally strengthening bridge deck pavement |
| CN107476180A (en) * | 2017-08-09 | 2017-12-15 | 重庆交通大学 | Discharge the steel concrete composite continuous bridge of bridge guidance tape tension |
| CN108071070A (en) * | 2016-11-11 | 2018-05-25 | 重庆大学 | It a kind of longitudinal direction can limited slip joint |
| CN108104272A (en) * | 2017-12-12 | 2018-06-01 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shear connector used in steel-concrete combined structure |
| CN114991318A (en) * | 2022-06-13 | 2022-09-02 | 中国化学工程第十一建设有限公司 | Connecting device, steel concrete structure and steel concrete structure installation method |
| CN115075114A (en) * | 2022-07-20 | 2022-09-20 | 东南大学 | Transverse widening connection structure of longitudinal deformable concrete continuous box girder and construction method |
-
2016
- 2016-11-11 CN CN201621232782.2U patent/CN206173784U/en active Active
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108071070A (en) * | 2016-11-11 | 2018-05-25 | 重庆大学 | It a kind of longitudinal direction can limited slip joint |
| CN106988203A (en) * | 2017-05-19 | 2017-07-28 | 重庆工商职业学院 | With the concrete hollow slab bridge for laterally strengthening bridge deck pavement |
| CN107476180A (en) * | 2017-08-09 | 2017-12-15 | 重庆交通大学 | Discharge the steel concrete composite continuous bridge of bridge guidance tape tension |
| CN107476180B (en) * | 2017-08-09 | 2019-09-10 | 重庆交通大学 | Discharge steel-concrete composite continuous bridge of bridge guidance tape tensile stress |
| CN108104272A (en) * | 2017-12-12 | 2018-06-01 | 上海市政工程设计研究总院（集团）有限公司 | A kind of shear connector used in steel-concrete combined structure |
| CN114991318A (en) * | 2022-06-13 | 2022-09-02 | 中国化学工程第十一建设有限公司 | Connecting device, steel concrete structure and steel concrete structure installation method |
| CN115075114A (en) * | 2022-07-20 | 2022-09-20 | 东南大学 | Transverse widening connection structure of longitudinal deformable concrete continuous box girder and construction method |
| CN115075114B (en) * | 2022-07-20 | 2024-05-24 | 东南大学 | Transverse widening connection structure of longitudinal deformable concrete continuous box girder and construction method |
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