CN110331676B - Pile column type flexible pier deviation rectifying construction device and construction method thereof - Google Patents
Pile column type flexible pier deviation rectifying construction device and construction method thereof Download PDFInfo
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- CN110331676B CN110331676B CN201910661041.8A CN201910661041A CN110331676B CN 110331676 B CN110331676 B CN 110331676B CN 201910661041 A CN201910661041 A CN 201910661041A CN 110331676 B CN110331676 B CN 110331676B
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D22/00—Methods or apparatus for repairing or strengthening existing bridges ; Methods or apparatus for dismantling bridges
Abstract
The invention discloses a pile-column flexible pier deviation rectifying construction device and a construction method thereof. According to the pile-column flexible pier deviation rectifying construction device and the construction method thereof, firstly, the movable limiting stopper is arranged on the deviation rectifying device, the pushing displacement of each deviation rectifying stroke of the pier is limited, the safety of the construction process is ensured, the risk that the pushing force of the pier column is excessive and twisted due to overlarge and uneven pushing force in the construction process is avoided, in addition, the whole process monitoring of the jacking, the pushing, the pier bottom stress and the perpendicularity of the pier column is adopted in the deviation rectifying construction process of the pier, a construction management closed loop system is formed, the construction quality and the construction safety are ensured, a set of complete construction technological method is formed, the construction is convenient for constructors to construct, and better use prospects are brought.
Description
Technical Field
The invention relates to the field of deviation rectifying construction of highway bridge piers, in particular to a pile column type flexible pier deviation rectifying construction device and a construction method thereof.
Background
The mountain highway stridees across the zanjon, the condition of canyon is many, generally can set up some flexible piers for the needs that adapt to the deformation when carrying out this type of bridge pier column design, the deformation of the adaptable superstructure of setting up of flexible pier reduces additional internal force, when the slope is great, the support can lead to support slip transfinite destruction and pier off normal according to unevenness and upper beam slab thermal expansion shrinkage deformation can not in time reset, can produce the crack that is drawn in pier column bottom when pier off normal is great, make the opposite direction beam slab of pier off normal have the risk of falling of sliding, consequently, it is a big technological degree of difficulty to deal with such a type of pier off normal, the big difficult problem of safe risk.
At present, the deviation rectifying construction measures adopted under the conditions mainly comprise the following steps:
(1) the load of the superstructure is unloaded, and the pier column is elastically reset, in this case, a bearing column is arranged on the periphery of the pier column to apply the load of the superstructure on the temporary bearing column, and the pier column is restored to the original state in the free state.
(2) And (3) reversely pulling the steel wire rope, arranging an anchoring point at which one end of the steel wire rope is connected with the top of the pier column and the other end of the steel wire rope is fixed on the ground in the opposite direction of deviation, and gradually straightening the pier by tightening the steel wire rope.
(3) And a reaction frame is arranged, and the coping is pushed to the pier column to reset through the interaction force between the upper beam plate and the coping. The method is a common method, but the operation processes of different constructors in the implementation process are very different, and a standard construction process and a strict monitoring measure are not formed, so that a greater safety risk also exists.
The release of the upper restraint by the temporary bearing columns is generally difficult to implement due to the terrain limitation and the high pier columns, and the cost is high; the force value applied during deviation correction is not easy to control through the sliding friction force of the support in the steel wire rope reverse pulling mode, and the steel wire rope deforms greatly and is inconvenient to control through displacement, so that the pile column type flexible pier deviation correction construction device and the construction method thereof are provided.
Disclosure of Invention
The invention mainly aims to provide a pile column type flexible pier deviation rectifying construction device and a construction method thereof, which can effectively solve the problems in the background technology.
In order to achieve the purpose, the invention adopts the technical scheme that:
a pile type flexible pier deviation rectifying construction device comprises a bent cap, a pier stud, a left side beam plate and a right side beam plate, wherein the bent cap is fixedly installed on the outer surface of the upper end of the pier stud, a bent cap steel base plate is fixedly installed on the outer surface of the upper end of the bent cap, a first polytetrafluoroethylene sliding plate and a second polytetrafluoroethylene sliding plate are fixedly installed on the outer surface of the upper end of the bent cap near two ends respectively, a hook beam is fixedly installed on the outer surface of the upper end of the first polytetrafluoroethylene sliding plate and the outer surface of the upper end of the second polytetrafluoroethylene sliding plate, a first hydraulic jack and a second hydraulic jack are fixedly installed right above the first polytetrafluoroethylene sliding plate and the second polytetrafluoroethylene sliding plate respectively, a first steel base plate and a second steel base plate are fixedly installed on the outer surface of the upper end of the first hydraulic jack and the outer surface of the lower end of the right side beam plate near one end respectively, the outer surfaces of the left side beam plate and the right side beam plate are fixedly installed on the outer surfaces of the upper end of the first steel base plate and the second steel base plate respectively, collude the upper end surface of roof beam and be close to one side position movable mounting have movable stopper, be provided with the rubber slab on the movable stopper, the lower extreme surface of colluding the roof beam is kept away from movable stopper position fixed mounting and is had the limiting plate.
Preferably, the bent cap is close to one side surface upper end fixed mounting of movable stopper has the bracket, the opposite side surface fixed mounting of bent cap has No. three steel backing plates, the upper end surface fixed mounting of No. three steel backing plates has two sets of hand jack and two sets of cushion, and two sets of hand jack are located two sets of cushion one side respectively.
Preferably, the middle position of the outer surface of the upper end of the hook beam is fixedly provided with a thrust beam, and the outer surface of one side of the thrust beam is connected with one end of the left beam plate.
Preferably, the outer surface of the upper end of the left side beam plate is fixedly provided with a hydraulic device, two ends of the hydraulic device are respectively and fixedly provided with a first high-pressure oil pipe and a second high-pressure oil pipe, and the hydraulic device is respectively connected with a first hydraulic jack and a second hydraulic jack through the first high-pressure oil pipe and the second high-pressure oil pipe.
Preferably, the outer surface of one side of pier stud is provided with the foil gage, the quantity of foil gage is five groups.
Preferably, one side of pier stud is provided with the acquisition terminal, five groups foil gage all is connected with the acquisition terminal electricity through the wire.
Preferably, a total station is arranged below the pier, a wireless acquisition transmitting box is arranged on the total station, a server and a mobile phone terminal are arranged on one side of the pier, and the mobile phone terminal and the acquisition terminal are both in wireless connection with the server through a wireless module.
Preferably, No. two wireless displacement sensors and No. two wireless displacement sensors are respectively arranged between the left side beam plate and the right side beam plate and the hook beam.
Preferably, a support is arranged on the beam plate on the cover beam.
Preferably, the construction method of the pile-column flexible pier deviation rectifying construction device comprises the following steps:
firstly, device installation: installing corresponding equipment and materials through a bridge inspection vehicle or a hanging basket;
secondly, jacking the beam plate: the first hydraulic jack and the second hydraulic jack the left side beam plate and the right side beam plate;
thirdly, incremental launching construction: determining to be pushed in place in several stages according to the deflection measurement condition of the bridge pier, and correcting the transverse bridge torsion deflection;
stress monitoring and verticality monitoring: monitoring stress change and monitoring pier column verticality change in the pushing construction of the bottom of the pier column in real time;
installing a limiting device: and after the pushing construction, a movable limiter is arranged on the hook beam to ensure that the support can normally move and the pier stud is kept not to incline.
Compared with the prior art, the invention provides a pile column type flexible pier deviation rectifying construction device and a construction method thereof, and the pile column type flexible pier deviation rectifying construction device has the following beneficial effects:
1. the movable limiting stopper is arranged on the deviation correcting device, so that the pushing displacement of each deviation correcting stroke of the pier is limited, the safety of the construction process is ensured, and the risks of excessive pushing and torsion of the pier caused by excessive and uneven pushing force in the construction process are avoided;
2. through the overall process monitoring to jacking, top pushing, pier bottom stress, pier stud straightness that hangs down in pier rectification work progress, form construction management closed loop system, ensure construction quality and construction safety, formed one set of complete construction technology method, the constructor construction of being convenient for, whole pile formula flexible pier rectification construction equipment's simple structure moreover, the convenient operation of its construction method, the result of use is better for traditional mode, satisfies people's operation requirement, and is comparatively practical.
The parts of the device not involved are the same as or can be implemented using prior art.
Drawings
FIG. 1 is a schematic diagram of an overall structure of a deviation rectifying construction device for a pile-column type flexible pier and a construction method thereof;
FIG. 2 is a cross-sectional view of a deviation rectifying construction device for a pile-column type flexible pier and a construction method thereof according to the present invention;
fig. 3 is a stress sheet layout diagram of the pile-column flexible pier deviation rectifying construction device and the construction method thereof.
In the figure: 1. a capping beam; 2. pier studs; 3. a left side beam panel; 4. a right side beam panel; 5. a capping steel backing plate; 6. a first tetrafluoro slide plate; 7. a second tetrafluoro slide plate; 8. hooking the beam; 9. a first hydraulic jack; 10. a second hydraulic jack; 11. a first steel backing plate; 12. a second steel backing plate; 13. a movable stopper; 14. a limiting plate; 15. a bracket; 16. a third steel backing plate; 17. a manual jack; 18. cushion blocks; 19. a thrust beam; 20. a hydraulic device; 21. a first high pressure oil pipe; 22. a second high-pressure oil pipe; 23. a strain gauge; 24. collecting a terminal; 25. a total station; 26. a wireless acquisition transmitting box; 27. a first wireless displacement sensor; 28. a second wireless displacement sensor; 29. a server; 30. a mobile phone terminal; 31. and (4) a support.
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.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention.
A pile-column flexible pier deviation rectifying construction device and a construction method thereof are disclosed, as shown in figure 1-3, the pile-column flexible pier deviation rectifying construction device comprises a bent cap 1, a pier column 2, a left side beam plate 3 and a right side beam plate 4, the bent cap 1 is fixedly arranged on the outer surface of the upper end of the pier column 2, a bent cap steel backing plate 5 is fixedly arranged on the outer surface of the upper end of the bent cap 1, a first polytetrafluoroethylene sliding plate 6 and a second polytetrafluoroethylene sliding plate 7 are respectively and fixedly arranged on the outer surface of the upper end of the bent cap steel backing plate 5 close to two ends, hook beams 8 are fixedly arranged on the outer surfaces of the upper ends of the first polytetrafluoroethylene sliding plate 6 and the second polytetrafluoroethylene sliding plate 7, a first hydraulic jack 9 and a second hydraulic jack 10 are respectively and fixedly arranged right above the first polytetrafluoroethylene sliding plate 6 and the second polytetrafluoroethylene sliding plate 7, a first steel backing plate 11 and a second steel backing plate 12 are respectively and fixedly arranged on the outer surfaces of the upper ends of the first hydraulic jack 9 and the second hydraulic jack 10, the lower extreme surface of left side roof beam board 3 and right side roof beam board 4 is close to one end position and is fixed mounting respectively in the upper end surface of steel backing plate 11 and No. two steel backing plates 12, and the upper end surface of colluding roof beam 8 is close to one side position movable mounting and has movable stopper 13, is provided with the rubber slab on the movable stopper 13, and the lower extreme surface of colluding roof beam 8 is kept away from movable stopper 13 position fixed mounting and is had limiting plate 14.
As shown in fig. 1-2, a bracket 15 is fixedly mounted at the upper end of the outer surface of one side of the bent cap 1 close to the movable stopper 13, a third steel pad 16 is fixedly mounted at the outer surface of the other side of the bent cap 1, two sets of manual jacks 17 and two sets of cushion blocks 18 are fixedly mounted at the outer surface of the upper end of the third steel pad 16, and the two sets of manual jacks 17 are respectively located at one side of the two sets of cushion blocks 18.
As shown in figure 1, a thrust beam 19 is fixedly arranged in the middle of the outer surface of the upper end of the hook beam 8, the thrust beam 19 is connected with one end of the left side beam plate 3 through the outer surface of one side of the thrust beam 19.
As shown in fig. 1-2, a hydraulic device 20 is fixedly mounted on the outer surface of the upper end of the left side beam plate 3, a first high-pressure oil pipe 21 and a second high-pressure oil pipe 22 are respectively fixedly mounted at two ends of the hydraulic device 20, and the hydraulic device 20 is respectively connected with the first hydraulic jack 9 and the second hydraulic jack 10 through the first high-pressure oil pipe 21 and the second high-pressure oil pipe 22.
As shown in fig. 3, strain gauges 23 are disposed on one outer surface of the pier stud 2, and the number of the strain gauges 23 is five.
As shown in fig. 1, one side of the pier stud 2 is provided with a collection terminal 24, and the five groups of strain gauges 23 are all electrically connected with the collection terminal 24 through wires.
As shown in fig. 1, a total station 25 is disposed below the pier 2, a wireless acquisition and emission box 26 is disposed on the total station 25, a server 29 and a mobile phone terminal 30 are disposed on one side of the pier 2, and the mobile phone terminal 30 and the acquisition terminal 24 are both wirelessly connected to the server 29 through a wireless module.
As shown in fig. 1, a first wireless displacement sensor 27 and a second wireless displacement sensor 28 are respectively arranged between the left side beam plate 3 and the right side beam plate 4 and the hook beam 8.
As shown in fig. 2, the beam plate of the bent cap 1 is provided with a support 31.
A construction method of a pile column type flexible pier deviation rectifying construction device comprises the following steps:
firstly, device installation:
A. transferring corresponding equipment and materials to a bent cap 1 through a bridge inspection vehicle or a hanging basket, sequentially installing a bent cap steel base plate 5, a first polytetrafluoroethylene sliding plate 6, a second polytetrafluoroethylene sliding plate 7 and a hook beam 8, then welding a limiting plate 14 at one end of the hook beam 8, welding a thrust beam 19 at the upper end of the hook beam 8, and installing a bracket 15 when a bridge pier inclines leftwards to a larger extent and a cross beam at one end of a right side beam plate 4 deviates from the edge of the right side of the bent cap 1; then a first hydraulic jack 9, a first steel base plate 11, a second hydraulic jack 10 and a second steel base plate 12 are installed on the hook beam 8, then a third steel base plate 16 is installed on the left side surface of the cover beam 1, a manual jack 17 and a cushion block 18 are sequentially installed between the limiting plate 14 and the third steel base plate 16, a hydraulic device 20 is installed on the left side beam plate 3 or the right side beam plate 4, the hydraulic device 20 is connected with the first hydraulic jack 9 and the second hydraulic jack 10 through a first high-pressure oil pipe 21 and a second high-pressure oil pipe 22, the top ends of a first wireless displacement sensor 27 and a second wireless displacement sensor 28 respectively abut against the bottom surfaces of the left side beam plate 3 and the right side beam plate 4, and the bottom ends of the first wireless displacement sensor and the second wireless displacement sensor abut against the top surface of the cover beam 1;
B. the movable limiting stopper 13 is arranged at the right end of the hook beam 8 through a bolt, and the position is adjusted at intervals of 2 cm;
C. sequentially mounting five groups of strain gauges 23 at the bottom of the pier stud 2, and electrically connecting the strain gauges 23 with the acquisition terminal 24 according to 1/4 bridge connection lines;
D. arranging a monitoring station at 150-300m in the direction perpendicular to the pier stud 2, and installing a total station 25;
E. the server 29 is turned on and the user's mobile terminal 30 is connected.
Secondly, jacking the beam plate:
a. electrifying all the equipment, and transmitting data to the server 29 by the acquisition terminal 24 through the wireless module;
b. checking the weight of the upper structure of the device, and selecting the tonnage and the number of the jacks according to a safety factor of more than 1.5 times;
c. starting the hydraulic device 20, starting oil feeding from a first high-pressure oil pipe 21 and a second high-pressure oil pipe 22 to a first hydraulic jack 9 and a second hydraulic jack 10, enabling an inner cylinder of the first hydraulic jack 9 to extend out to jack the left side beam plate 3, and enabling the second hydraulic jack 10 to jack the right side beam plate 4 until the support 31 is separated from the capping beam by 115-20 mm; in the jacking process, the displacement of the first wireless displacement sensor 27 and the displacement of the second wireless displacement sensor 28 are monitored through the mobile phone terminal 30, the synchronization is confirmed, the deviation is within +/-2 mm, if the deviation exceeds +/-2 mm, the mobile phone terminal 30 gives early warning information, the height difference between the hydraulic jacks is adjusted by adjusting the oil inlet and return speeds, and after jacking, all beam plates on the bent cap 1 are jacked up and separated from the support 31;
d. after the mobile phone terminal 30 monitors that the jacking height is in place, the hydraulic device 20 is locked, people can check the jacking conditions of all hydraulic jacks, and the next step or fine adjustment is carried out after no abnormality occurs;
e. the jacking height is always kept at the mobile phone terminal 30 for monitoring, and the phenomenon that the hydraulic jack leaks to cause jacking failure of a local area to cause uneven stress and inclination is prevented.
Thirdly, incremental launching construction:
i, in the figure 1, a left side beam plate 3, a right side beam plate 4 and related structures form a set of pushing and jacking devices, during construction, a plurality of groups of pushing and jacking devices are arranged on a bent cap 1, and the plurality of groups of pushing and jacking devices work in a matched mode;
II, determining to be divided into several stages of jacking positions according to the deviation measurement condition of the bridge pier, setting the jacking displacement of each stage to be 2-4cm, setting the jacking displacement of each stage to be 4cm, setting the jacking displacement of the last 3 stages to be 2cm, stopping observation for at least 2h after each jacking is finished, loosening the manual jack 17 after each stage of jacking is finished, and then inserting a cushion block 18 with the same thickness into the manual jack 17;
III, setting a pushing stroke on the movable stopper 13 before pushing at each stage, wherein the pushing stroke is 4cm or 2 cm; ensuring that the pushing is not excessive each time;
IV, putting personnel in place, arranging a specially-assigned person for operation by each manual jack 17, and pushing each small stroke under unified command by taking 3-5m as a small stroke until the first-stage pushing is finished after a rubber plate on the movable stopper 13 is touched;
v, selecting and using a manual jack 17 for matching with torsion control, setting a pushing stroke at each position through a movable limiting stopper 13 arranged on each set of deviation correcting device if the transverse bridge has deviation according to the deviation measuring result of the bridge pier, and correcting the torsion deviation of the transverse bridge in the way that the pushing displacement deviation of any one of any two adjacent positions does not exceed 1cm, wherein if the transverse deviation is larger, the torsion displacement can be set in the pushing process of each level.
Stress monitoring and verticality monitoring:
arranging a strain gauge 23 at the pressure side of the bottom of each pier stud 2 for pushing construction, detecting the stress change in the pushing process through an acquisition terminal 24 according to the arrangement of each pier stud 2, immediately stopping pushing when the stress change exceeds the limit or the change amplitude is too large to find out the reason, and then continuing construction;
repeatedly measuring the perpendicularity of the pier stud 2 up and down by using a total station 25 in the pushing process to serve as a basis for judging whether to continue pushing; when the reverse bending occurs at the variable cross section in the pushing process, the pushing is immediately stopped, and the method continues after measures are taken for the reason to be found out;
installing a limiting device: replacing or repairing the original support 31, slowly releasing pressure by the first hydraulic jack 9 and the second hydraulic jack 10, and enabling the left side beam plate 3 and the right side beam plate 4 to fall on the repaired support 31; after 12 hours of pushing, the pushing device is removed, the movable limiting stopper 13 is installed, the support 31 can normally move, meanwhile, the pier stud 2 is kept not to incline, and the movable limiting stopper 13 is in elastic contact with the beam plate through a rubber plate.
The invention is to be noted that the invention is a pile-column flexible pier deviation rectifying construction device and a construction method thereof, when in use, the movable limiter 13 is arranged on the deviation rectifying device, thereby limiting the pushing displacement of each deviation rectifying stroke of the pier, ensuring the safety of the construction process, and putting an end to the risks of excessive pushing and torsion of the pier column 2 caused by excessive and uneven pushing force in the construction process;
through the overall process monitoring to jacking, top push, pier bottom stress, pier stud 2 straightness that hangs down in pier rectification work progress, form construction management closed loop system, ensure construction quality and construction safety, formed one set of complete construction technology method, the constructor construction of being convenient for, whole pile column formula flexible pier rectification construction equipment's simple structure moreover, the convenient operation of its construction method, the result of use is better for traditional mode, satisfies people's operation requirement, and is comparatively practical.
The foregoing shows and describes the general principles and broad features of the present invention and advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are described in the specification and illustrated only to illustrate the principle of the present invention, but that various changes and modifications may be made therein without departing from the spirit and scope of the present invention, which fall within the scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides a pile formula flexible bridge pier construction equipment that rectifies which characterized in that: comprises a bent cap (1), a pier stud (2), a left side beam plate (3) and a right side beam plate (4), the bent cap (1) is fixedly arranged on the upper end outer surface of the pier stud (2), the upper end outer surface of the bent cap (1) is fixedly provided with a bent cap steel base plate (5), the upper end outer surface of the bent cap steel base plate (5) is close to two end positions and is fixedly provided with a PTFE slide plate (6) and a PTFE slide plate (7) respectively, the upper end outer surface of the PTFE slide plate (6) and the upper end outer surface of the PTFE slide plate (7) are fixedly provided with a hook beam (8), the upper end outer surface of the hook beam (8) is positioned right above the PTFE slide plate (6) and the PTFE slide plate (7) and is fixedly provided with a hydraulic jack (9) and a hydraulic jack (10), the upper end outer surfaces of the hydraulic jack (9) and the hydraulic jack (10) are fixedly provided with a steel base plate (11) and a steel base plate (12) respectively, the outer surfaces of the lower ends of the left side beam plate (3) and the right side beam plate (4) close to one end are respectively and fixedly installed on the outer surfaces of the upper ends of a first steel base plate (11) and a second steel base plate (12), the outer surface of the upper end of the hook beam (8) close to one side is movably provided with a movable limiting stopper (13), a rubber plate is arranged on the movable limiting stopper (13), and a limiting plate (14) is fixedly installed on the outer surface of the lower end of the hook beam (8) far away from the movable limiting stopper (13); the pile column type flexible pier deviation rectifying construction device is constructed by adopting a method comprising the following steps:
firstly, device installation: installing corresponding equipment and materials through a bridge inspection vehicle or a hanging basket;
secondly, jacking the beam plate: the first hydraulic jack (9) and the second hydraulic jack (10) jack the left beam plate (3) and the right beam plate (4);
thirdly, incremental launching construction: determining to be pushed in place in several stages according to the deflection measurement condition of the bridge pier, and correcting the transverse bridge torsion deflection;
stress monitoring and verticality monitoring: monitoring stress change during bottom pushing construction of the pier stud (2) and monitoring verticality change of the pier stud (2) in real time;
installing a limiting device: after the pushing construction, a movable limiting stopper (13) is arranged on the hook beam (8) to ensure that the support (31) can normally move and keep the pier stud (2) from inclining any more.
2. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: the utility model discloses a bent cap is characterized in that bent cap (1) is close to one side surface upper end fixed mounting of movable stopper (13) has bracket (15), the opposite side surface fixed mounting of bent cap (1) has No. three steel backing plates (16), the upper end surface fixed mounting of No. three steel backing plates (16) has two sets of manual jack (17) and two sets of cushion (18), and two sets of manual jack (17) are located two sets of cushion (18) one side respectively.
3. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: collude the upper end surface intermediate position fixed mounting of roof beam (8) and have thrust roof beam (19), the one side surface of thrust roof beam (19) is connected with the one end of left side roof beam board (3).
4. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: the hydraulic device is characterized in that a hydraulic device (20) is fixedly mounted on the outer surface of the upper end of the left side beam plate (3), a first high-pressure oil pipe (21) and a second high-pressure oil pipe (22) are fixedly mounted at two ends of the hydraulic device (20) respectively, and the hydraulic device (20) is connected with a first hydraulic jack (9) and a second hydraulic jack (10) through the first high-pressure oil pipe (21) and the second high-pressure oil pipe (22) respectively.
5. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: the outer surface of one side of pier stud (2) is provided with foil gage (23), the quantity of foil gage (23) is five groups.
6. The pile type flexible pier deviation rectifying construction device according to claim 5, wherein: one side of pier stud (2) is provided with acquisition terminal (24), five groups foil gage (23) all are connected with acquisition terminal (24) electricity through the wire.
7. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: the wireless collecting and launching system is characterized in that a total station (25) is arranged below the pier stud (2), a wireless collecting and launching box (26) is arranged on the total station (25), a server (29) and a mobile phone terminal (30) are arranged on one side of the pier stud (2), and the mobile phone terminal (30) and the collecting terminal (24) are both in wireless connection with the server (29) through a wireless module.
8. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: and a first wireless displacement sensor (27) and a second wireless displacement sensor (28) are respectively arranged between the left side beam plate (3) and the right side beam plate (4) and the hook beam (8).
9. The pile type flexible pier deviation rectifying construction device according to claim 1, wherein: and a support (31) is arranged on the beam plate on the cover beam (1).
10. The construction method of the pile-column flexible pier deviation rectifying construction device according to claim 1, wherein the construction method comprises the following steps: the method comprises the following steps:
firstly, device installation: installing corresponding equipment and materials through a bridge inspection vehicle or a hanging basket;
secondly, jacking the beam plate: the first hydraulic jack (9) and the second hydraulic jack (10) jack the left beam plate (3) and the right beam plate (4);
thirdly, incremental launching construction: determining to be pushed in place in several stages according to the deflection measurement condition of the bridge pier, and correcting the transverse bridge torsion deflection;
stress monitoring and verticality monitoring: monitoring stress change during bottom pushing construction of the pier stud (2) and monitoring verticality change of the pier stud (2) in real time;
installing a limiting device: after the pushing construction, a movable limiting stopper (13) is arranged on the hook beam (8) to ensure that the support (31) can normally move and keep the pier stud (2) from inclining any more.
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| CN112779936B (en) * | 2021-02-04 | 2021-08-20 | 中铁建科江门人才岛投资有限公司 | Intelligent anti-tilt correction device for cultural building strip-based brick wall and construction method thereof |
| CN113668410B (en) * | 2021-08-25 | 2023-04-11 | 郑州大学 | Pier deviation rectifying method using main beam to provide counterforce |
| CN114438912B (en) * | 2022-03-17 | 2023-03-14 | 中国十九冶集团有限公司 | Elastic bridge deviation-rectifying limiter |
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