CN209555757U - A kind of recoverable prefabricated assembled bridge pier of function - Google Patents
A kind of recoverable prefabricated assembled bridge pier of function Download PDFInfo
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- CN209555757U CN209555757U CN201822222823.5U CN201822222823U CN209555757U CN 209555757 U CN209555757 U CN 209555757U CN 201822222823 U CN201822222823 U CN 201822222823U CN 209555757 U CN209555757 U CN 209555757U
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Abstract
The utility model provides a kind of recoverable prefabricated assembled bridge pier of function, including segment, presstressed reinforcing steel, steel pipe pin, grout sleeve, damper, steel plate, steel pipe, longitudinal reinforcement under segment, bridge pier on bridge pier；Segment constitutes bridge pier ontology under segment, bridge pier on bridge pier, and junction is provided with grout sleeve；Segment is mounted on cushion cap under bridge pier, for installing girder above segment on bridge pier；The longitudinally connected bridge pier ontology of presstressed reinforcing steel, girder and cushion cap, and in contact site peripheral hardware steel pipe；It is provided with steel plate between girder and bridge pier ontology, the middle part of both girder and bridge pier is equipped with steel pipe pin；It is provided with the damper of both connections under bridge pier on the outside of segment and cushion cap and on bridge pier on the outside of segment and girder.Cushion cap, bridge pier, girder are integrally formed vertically by using unbonded prestressing tendon, has better deformability to resist geological process, enhances the shear resistance of precast assembly bridge pier seam, damage smaller after shake and restore to use function rapidly.
Description
Technical field
The utility model relates to prefabricated construction Construction Technology fields, are especially adapted for use in the function of highly seismic region
It can recoverable prefabricated assembled bridge pier.
Background technique
One of the significant challenge that current city bridge structure design is faced with is exactly owner and resident in addition to requiring bridge knot
Other than structure is safe and durable, also requires to reduce the interference to surrounding traffic by rapid construction, shorten blocking time, reduce and transport
The various noises etc. generated in defeated vehicle and construction.The it is proposed of these requirements promotes industrialized section assembling construction technology and exists
Application in Urban Bridge construction.
Section assembling bridge pier is that bridge pier vertically, by certain modulus is divided into several block parts, such as cushion cap, column, bent cap
(pier cap) etc., the precasting yard around bridge site are poured on the ground, transport to construction site, on-site consolidation by means of transport.Section
The assembled bridge pier Technical comparing of section is longer suitable for bridge length, and bridge pier quantity is more, and bridge pier height is relatively high, and scene is without coagulation
Soil mixing station and construction site, the construction of the Bridge Pier of the more difficult arrangement of concrete conveying pipe equipment.Section assembling bridge pier
Be mainly characterized by: short time limit can be interfered few in precasting yard prefabricated components by ambient outside.
For section assembling bridge pier, seam is the key that design, and main cause is that seam can bear biggish power, is
It is more easier the position destroyed, deteriorated.Application with section assembling construction technology in high earthquake danger zone, one faces
Important technological problems are exactly the bridge pier anti-seismic performance promoted using the construction of this technology.
Utility model content
The utility model provides a kind of recoverable prefabricated assembled bridge pier of function, is to provide a kind of reliable prefabricated spelling
The connection system of bridge pier segment, cushion cap, girder is filled, to solve the deficiency of conventional coupling arrangement.
It is described that its technical solution is as follows:
A kind of recoverable prefabricated assembled bridge pier of function, including segment, presstressed reinforcing steel, steel under segment, bridge pier on bridge pier
Barrel bolt, grout sleeve, damper, steel plate, steel pipe, longitudinal reinforcement；Segment constitutes bridge pier ontology under segment, bridge pier on bridge pier, and
Grout sleeve is provided with to connect longitudinal reinforcement in junction；Segment is mounted on cushion cap under bridge pier, on bridge pier above segment
For installing girder；The longitudinally connected bridge pier ontology of the presstressed reinforcing steel of non-binding, girder and cushion cap, and in contact site peripheral hardware steel
Pipe, is connected together segment, cushion cap under segment, bridge pier on girder, bridge pier by the U-shaped presstressed reinforcing steel of tensioning；Girder and bridge pier
It is provided with steel plate between ontology, the middle part of both girder and bridge pier is equipped with steel pipe pin, and steel plate is boxed out so that steel pipe pin passes through steel
Plate；It is provided with the damper for connecting the two on the outside of segment and cushion cap under bridge pier, is provided with connection on the outside of segment and girder on bridge pier
The damper of the two.
Presstressed reinforcing steel be it is U-shaped, totally two, bridge pier ontology, girder and cushion cap are reserved with prestressed pore passage, and prestressed pore passage is
The pvc pipe of soap-free emulsion polymeization, wherein cushion cap reserves U-shaped prestressed pore passage, and segment, girder reserve linear type under segment, bridge pier on bridge pier
The presstressed reinforcing steel of prestressed pore passage, the tensioning of girder top and fixed U-shaped soap-free emulsion polymeization.
Further, on bridge pier among segment there are prestressed pore passage, prestressed pore passage is pvc pipe, in segment bottom hole
Road becomes the concrete hole of diameter 10cm.There are PVC prestressed pore passages among segment under bridge pier, become diameter on segment top
It is highly 30-50cm for the steel pipe of 10cm, shape is straight barrel type, and at both ends, diameter is excessively reduced to PVC channel diameter,
And connect with PVC pipeline, in the concrete hole that is inserted on bridge pier in segment, it is therefore an objective to enhance intersegmental shear resistance.
Steel pipe pin uses concrete filled steel tube, and half is embedded on bridge pier in segment, the other half is inserted into the pre- of girder
In boxing out.
Grout sleeve is the sleeve with WELDING STUDS or spindle sleeve using enhanced sleeve is bonded.Segment on bridge pier
Grout sleeve is arranged in bottom, and the form of grout sleeve should be the enhanced sleeve of bonding, such as spindle sleeve or setting WELDING STUDS
Sleeve.Bridge pier top is stretched out under bridge pier outside the longitudinal reinforcement of segment, to pass through in the grout sleeve that is inserted on bridge pier in segment
Sleeve grouting realizes that longitudinal reinforcement is continuous between segment under segment and bridge pier on bridge pier.Purpose is the company by enhancing segment
Connecing intensity makes segment be connected to become an entirety, appears in seam folding on the joint face of bridge pier and girder, bridge pier and cushion cap,
I.e. there is the case where Integral rocking in bridge pier.
Damper uses mild steel damper, and mild steel damper is friction steel plate damper or marmem damping
Device.Segments upper side two sides pre-embedded steel slab on bridge pier provides bolted mother matrix for mild steel damper, and mild steel damper passes through spiral shell
It tethers and is connected on the reserved steel plate of girder.Segment lower end two sides pre-embedded steel slab, provides for mild steel damper and is bolted under bridge pier
Mother matrix, mild steel damper is bolt-connected on the reserved steel plate of cushion cap.
In identical steel pipe between segment under segment and bridge pier on setting and bridge pier between segment and cushion cap under bridge pier, and wear
Presstressed reinforcing steel is inserted, to enhance the shearing under bridge pier between segment and cushion cap.The diameter of steel pipe is 10cm, and shape is straight barrel type, In
Both ends diameter is excessively reduced to PVC channel diameter, and with the closed butt joint of the duct PVC.The half of steel pipe is in cushion cap or bridge pier
In ontology, the other half stretches out cushion cap or bridge pier sheet is external, to be inserted into the reserved concrete hole of bridge pier ontology.
Segment is prefabricated reinforced concrete structure in factory under segment and bridge pier on bridge pier.Segment top on bridge pier
Pre-buried steel barrel bolt, steel pipe pin are concrete filled steel tube, steel pipe pin, the 1/20~1/10 of a diameter of bridge pier width, length is
2-4 times of steel pipe pin diameter, to enhance the shear resistance between bridge pier and girder.
Grout sleeve is half grout sleeve or full grout sleeve.
Utilize the construction method of the recoverable prefabricated assembled bridge pier of above-mentioned function, comprising the following steps:
(1) cushion cap reserves prestressed pore passage, for penetrating presstressed reinforcing steel；
(2) segment installs and interts presstressed reinforcing steel under bridge pier: segment under bridge pier being installed to above cushion cap, and by prestressing force
Muscle passes through the prestressed pore passage under bridge pier in segment, and requires segment under accurate installation bridge pier according to setting-out；
(3) presstressed reinforcing steel is installed and interted in segment on bridge pier, and segment on bridge pier sleeve grouting: is installed to segment under bridge pier
Top, and presstressed reinforcing steel is passed through into the prestressed pore passage and steel pipe on bridge pier in segment, overhanging longitudinal steel of segment under bridge pier
Muscle passes through segment under segment on grout sleeve grouting realization bridge pier and bridge pier to being just inserted on bridge pier in the grout sleeve of segment
The connection of longitudinal reinforcement；
(4) erection of main beam interts, tensioned prestressing bar: above segment on erection of main beam to bridge pier, it is desirable that steel pipe pin is inserted
Enter in the reserved hole of girder, presstressed reinforcing steel is inserted into the prestress pipe of girder, tensioned prestressing bar；
(5) connection energy consumption mild steel damper: mild steel damper be bolt-connected to bridge pier ontology, cushion cap, girder it is pre-
It stays in steel plate.
Further, steel plate is set in the range of girder bottom is connect with segment on bridge pier, prevents the alternating of seam
Destruction of the extrusion and collision to girder when opening and closing is closed.
The collective effect of above-mentioned component can make bridge pier realize the restorability of function under geological process.
It is based on the recoverable basic demand of function in the utility model connection, cushion cap, bridge are made using unbonded prestressing tendon
Pier ontology, girder are vertically integrally formed, and the alternating opening for making section assembling bridge pier that seam can occur under cyclic load is closed
It closes, the plastic hinge phenomenon that cast-in-place reinforced concrete bridge pier occurs will not occur.In this way the degree of injury of section assembling bridge pier compared with
Cast-in-situ steel reinforced concrete bridge pier will be much smaller.Steel pipe pin and the prestress steel pipeline of major diameter can increase bridge pier segment with
Shear resistance between bridge pier, cushion cap, girder.Intersegmental regular reinforcement is connected by bonding enhanced grout sleeve, Ke Yibao
Demonstrate,prove intersegmental bonding strength and overall stiffness.Energy-consumption damper is used to discharge bridge pier after whole system is by seismic force effects
Energy.Comprehensive by above each technology uses, this prefabricated assembled bridge pier is made to realize the function restorability after shake.
The utility model compared with prior art, has the advantage that
1, the utility model makes full use of bridge pier swing function to realize the deformation performance under geological process.By U-shaped pre-
Stress rib will become bring unstable phenomenon to control bridge pier.
2, the difference of the utility model and existing utility model is to enhance the intersegmental bonding strength of bridge pier.It makes full use of
Existing prestress steel pipeline increases the shear resistance between section, overcomes the disadvantage of existing section shear resistance deficiency.Pass through
The connection that vertical muscle is realized using the stronger grout sleeve of cohesive force, increases the strength and stiffness of seam.
3, the difference of the utility model and existing bridge pier is to increase energy consumption dress by enhancing segment seam shearing, rigidity
Set with shear pin, steel plate multiple means, bridge pier, girder, cushion cap are coupled together, becomes a system, makes the utility model
Damaged after shake it is smaller, as early as possible restore use function.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the recoverable prefabricated assembled bridge pier of function provided by the utility model；
Fig. 2 is bridge pier segmental joints cross-section diagram；
Fig. 3 is the structural schematic diagram of steel pipe pin；
Fig. 4 is the structural schematic diagram of shearing resistance steel pipe；
Fig. 5 is the structural schematic diagram of grout sleeve；
Fig. 6 is the structural schematic diagram of the mild steel damper of low-yield；
Fig. 7 is the installation procedure figure of the recoverable prefabricated assembled bridge pier of function；
Segment on 1, bridge pier in figure；2, segment under bridge pier；3, presstressed reinforcing steel；4, steel pipe pin；5, grout sleeve；6, it damps
Device；7, steel plate；8, steel pipe；9, longitudinal reinforcement.
Specific embodiment
In the following description, a large amount of concrete details are given more thoroughly to manage in order to provide to the utility model
Solution.It is, however, obvious to a person skilled in the art that the utility model may not need it is one or more of these thin
It saves and is carried out.In other examples, in order to avoid obscuring with the utility model, for more well known in the art
Technical characteristic is not described.
In order to thoroughly understand the utility model, detailed step and detailed structure will be proposed in following description,
To illustrate the technical solution of the utility model.The preferred embodiment of the utility model is described in detail as follows, however in addition to these
Detailed description is outer, and the utility model can also have other embodiments.
The utility model provides a kind of recoverable prefabricated assembled bridge pier of function, as depicted in figs. 1 and 2, including bridge
Segment 2, presstressed reinforcing steel 3, steel pipe pin 4, grout sleeve 5, damper 6, steel plate 7, steel pipe 8, Zong Xianggang under segment 1, bridge pier on pier
Muscle 9.
Cushion cap is cast-in-place structural, and U-shaped prestressed pore passage is reserved in assembling reinforcement when constructing, prestressed pore passage is soap-free emulsion polymeization
Pvc pipe buries the steel pipe 8 that diameter is 10cm on cushion cap top, and shape is straight barrel type, and at both ends, diameter is excessively reduced to
PVC channel diameter, and with the closed butt joint of the duct PVC.The half of steel pipe 8 is in cushion cap, the other half is stretched out outside cushion cap, to be inserted into bridge
In concrete hole under pier in segment 2, as Figure 1 and Figure 4.The quantity of presstressed reinforcing steel is determined according to calculating, transversal in bridge pier
It is symmetrically and evenly distributed on face.In the present embodiment, presstressed reinforcing steel is two groups.
Pre-buried I-steel or angle steel steel plate above cushion cap, the steel plate in steel plate external welding strap bolt hole mention for mild steel damper 6
For bolted mother matrix, as shown in fig. 6, the position of bolt hole and diameter will check accurately error control before casting concrete
System is in 1-2mm range.After prestressed pore passage and steel pipe 8 are inserted into presstressed reinforcing steel, maintenance molding is poured.
Segment 2 is prefabricated in the factory under segment 1 and bridge pier on bridge pier, and strict control formwork precision is wanted when prefabricated, is especially hindered
Buddhist nun's device steel plate position, presstressed reinforcing steel pipeline location and diameter, the position of grout sleeve and reinforcing bar.Prefabrication is to guarantee construction essence
The premise of degree.
At segment 2 under making bridge pier, the vertical muscle on 2 top of segment under bridge pier is extended and stretches out certain length outside bridge pier, and
Strict control position precision, to be connect with the grout sleeve on bridge pier in segment 1.
There are prestressed pore passage among segment 2 under bridge pier, prestressed pore passage is pvc pipe, and in segment lower part, setting-up hole is straight
The hole of diameter 10cm.When making hole template, the steel pipe 8 of variable diameters should be used as template, when being inserted into steel pipe 8 so as to the later period
Steel pipe 8 contacts closely knit with concrete.
Presstressed reinforcing steel duct is precisely aligned with cushion cap.The steel pipe 8 that diameter is 10cm is buried on bridge pier segment top, and it is above-mentioned
8 shape of steel pipe is consistent, and with the closed butt joint of the duct PVC.Under bridge pier in segment 2, the other half is stretched out under bridge pier saves 8 half of steel pipe
Outside section 2, to be inserted into the concrete hole on bridge pier in segment 1.
The pre-buried I-steel in 2 lower end two sides of segment or angle steel steel plate under bridge pier, the steel plate in steel plate external welding strap bolt hole are soft
Steel damper 6 provides bolted mother matrix, as shown in fig. 6, the position of bolt hole and diameter will be checked before casting concrete
Accurately, control errors are in 1-2mm range.
At segment 1 on making bridge pier, the pre-buried steel barrel bolt 4 on segment top, as shown in figure 3, steel pipe pin is steel tube concrete
Soil structure, steel pipe are bound together with reinforcing bar, and concrete can pour together with segment.
1 upper end two sides of segment, pre-buried I-steel or angle steel steel plate on bridge pier, the steel plate in steel plate external welding strap bolt hole are
Mild steel damper 6 provides bolted mother matrix, and the position of bolt hole and diameter will be checked accurately before casting concrete, error
Control is in 1-2mm range.
There are prestressed pore passage among segment 1 on bridge pier, prestressed pore passage is pvc pipe, and in segment lower part, setting-up hole is straight
The hole of diameter 10cm, indwelling requirement are consistent in bridge pier segment 2.
Grout sleeve 5 is arranged in 1 lower part of segment on bridge pier, and the form of grout sleeve 5 should be the enhanced sleeve of bonding, such as spindle
Shape sleeve or the sleeve that WELDING STUDS is set, as shown in Figure 5.Grout sleeve 5 can be half grout sleeve or full grout sleeve.Grouting
The installation requirement of sleeve is same as the prior art.Segment is both provided with overhanging longitudinal reinforcement under segment and bridge pier on bridge pier, so
Grouting fixation is carried out in grout sleeve afterwards.
I-steel or the steel plate 7 with anchor bolt are set in the range of girder bottom is connect with bridge pier, to guarantee steel plate and master
Beam rigid connection.It is stayed in girder bottom and sets hole corresponding with steel pipe pin 4, so as to the insertion of steel pipe pin 4.Pre-buried I-shaped below girder
Steel or angle steel steel plate, the steel plate in steel plate external welding strap bolt hole provide bolted mother matrix, bolt hole for mild steel damper 6
Position and diameter to be checked before casting concrete accurately, control errors are in 1-2mm range.
After bridge pier upper-lower segment and girder all complete.Preassembling is carried out in factory, after band preassembling passes through, transport
It is carried out to scene assembled.Construction method combination Fig. 7 of bridge pier, as described below:
Segment 2 under bridge pier is installed first, presstressed reinforcing steel is passed through into the prestressed pore passage under bridge pier in segment 2, and according to putting
Sample requires accurate installation bridge pier.Then segment 1 on bridge pier is installed, presstressed reinforcing steel 3 is passed through into the prestress hole on bridge pier in segment 1
Road and steel pipe 8, longitudinal reinforcement 9 are in the milk to grout sleeve 5 and realize the connection of longitudinal reinforcement 9 to positive insertion grout sleeve 5.Again
It is secondary, girder is installed, it is desirable that steel pipe pin 4 is inserted into the reserved hole of girder, and presstressed reinforcing steel is inserted into the prestress pipe of girder.Most
Post-stress muscle, mild steel damper 6 are bolt-connected in the reserved steel plate of bridge pier, cushion cap, girder.
In one optional embodiment of the utility model, bridge pier segment can be 2 or more.
In one optional embodiment of the utility model, steel pipe pin 4 rises to 2-4.
In one optional embodiment of the utility model, damper 6 can use friction steel plate damper.
In one optional embodiment of the utility model, damper 6 can be marmem.
In one optional embodiment of the utility model, grout sleeve 5 is to bond enhanced sleeve, can be band WELDING STUDS
Sleeve or spindle sleeve.
In one optional embodiment of the utility model, prestressed pore passage can be steel pipe.
In one optional embodiment of the utility model, bridge pier can be twin shaft pier or three stubs.
In one optional embodiment of the utility model, bent cap can be set between girder and pier stud.
The preferred embodiment of the utility model is described above.It is to be appreciated that the utility model not office
It is limited to above-mentioned particular implementation, devices and structures not described in detail herein should be understood as with the common side in this field
Formula is practiced；Anyone skilled in the art all may be used in the case where not departing from technical solutions of the utility model ambit
Many possible changes and modifications are made to technical solutions of the utility model using the methods and technical content of the disclosure above, or are repaired
It is changed to the equivalent embodiment of equivalent variations, this has no effect on the substantive content of the utility model.Therefore, all practical without departing from this
The content of new technique scheme, any simple modification made to the above embodiment of foundation the technical essence of the utility model, etc.
With variation and modification, still fall within technical solutions of the utility model protection in the range of.
Claims (9)
1. a kind of recoverable prefabricated assembled bridge pier of function, it is characterised in that: including segment under segment, bridge pier on bridge pier, pre-
Stress rib, steel pipe pin, grout sleeve, damper, steel plate, steel pipe；Segment constitutes bridge pier ontology under segment, bridge pier on bridge pier, and
Junction is provided with grout sleeve；Segment is mounted on cushion cap under bridge pier, for installing girder above segment on bridge pier；Without viscous
The longitudinally connected bridge pier ontology of the presstressed reinforcing steel connect, girder and cushion cap, and in contact site peripheral hardware steel pipe；Between girder and bridge pier ontology
It is provided with steel plate, the middle part of both girder and bridge pier is equipped with steel pipe pin, and steel plate is boxed out so that steel pipe pin passes through steel plate；Bridge pier
The damper of both connections is provided on the outside of lower segment and cushion cap, segment and girder outside are provided with the resistance of both connections on bridge pier
Buddhist nun's device.
2. the recoverable prefabricated assembled bridge pier of function according to claim 1, it is characterised in that: presstressed reinforcing steel be it is U-shaped,
Bridge pier ontology, girder and cushion cap are reserved with prestressed pore passage, and prestressed pore passage is the pvc pipe of soap-free emulsion polymeization, and wherein cushion cap is reserved U-shaped
Linear type prestressed pore passage is reserved in prestressed pore passage, segment under segment, bridge pier on bridge pier, girder, girder top tensioning simultaneously fixed U
The presstressed reinforcing steel of type soap-free emulsion polymeization.
3. the recoverable prefabricated assembled bridge pier of function according to claim 1, it is characterised in that: steel pipe pin uses steel pipe
Concrete structure, outside are steel pipe, and the inside is concrete, and half is embedded on bridge pier in segment, the other half is inserted into girder
In preformed hole.
4. the recoverable prefabricated assembled bridge pier of function according to claim 1, it is characterised in that: grout sleeve is using viscous
Enhanced sleeve is tied, is the sleeve with WELDING STUDS or spindle sleeve.
5. the recoverable prefabricated assembled bridge pier of function according to claim 1, it is characterised in that: damper uses mild steel
Damper, mild steel damper are friction steel plate damper or marmem damper.
6. the recoverable prefabricated assembled bridge pier of function according to claim 1, it is characterised in that: the diameter of steel pipe is
10cm, shape are straight barrel type, and at both ends, diameter is excessively reduced to PVC channel diameter, and with the closed butt joint of the duct PVC.
7. the recoverable prefabricated assembled bridge pier of function according to claim 6, it is characterised in that: the half of steel pipe is being held
In platform or bridge pier ontology, the other half stretches out cushion cap or bridge pier sheet is external, to be inserted into the reserved concrete hole of bridge pier ontology.
8. the recoverable prefabricated assembled bridge pier of function according to claim 3, it is characterised in that: by concrete filled steel tube structure
At steel pipe pin, the 1/20~1/10 of a diameter of bridge pier width, length is 2-4 times of steel pipe pin diameter.
9. the recoverable prefabricated assembled bridge pier of function according to claim 4, it is characterised in that: grout sleeve is half filling
Starch sleeve or full grout sleeve.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822222823.5U CN209555757U (en) | 2018-12-27 | 2018-12-27 | A kind of recoverable prefabricated assembled bridge pier of function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201822222823.5U CN209555757U (en) | 2018-12-27 | 2018-12-27 | A kind of recoverable prefabricated assembled bridge pier of function |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610304A (en) * | 2018-12-27 | 2019-04-12 | 北京市政路桥股份有限公司 | A kind of recoverable prefabricated assembled bridge pier of function and its construction method |
| CN111350125A (en) * | 2020-02-28 | 2020-06-30 | 重庆交通大学 | Prefabricated pier and construction method thereof |
| CN113718634A (en) * | 2021-08-26 | 2021-11-30 | 同济大学建筑设计研究院(集团)有限公司 | A full precast bridge sways from restoring to throne shock-absorbing structure system for falling T bent cap |
| CN113832839A (en) * | 2021-09-10 | 2021-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Prefabricated segment assembled pier body structure and construction method thereof |
-
2018
- 2018-12-27 CN CN201822222823.5U patent/CN209555757U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109610304A (en) * | 2018-12-27 | 2019-04-12 | 北京市政路桥股份有限公司 | A kind of recoverable prefabricated assembled bridge pier of function and its construction method |
| CN111350125A (en) * | 2020-02-28 | 2020-06-30 | 重庆交通大学 | Prefabricated pier and construction method thereof |
| CN113718634A (en) * | 2021-08-26 | 2021-11-30 | 同济大学建筑设计研究院(集团)有限公司 | A full precast bridge sways from restoring to throne shock-absorbing structure system for falling T bent cap |
| CN113832839A (en) * | 2021-09-10 | 2021-12-24 | 中国电建集团华东勘测设计研究院有限公司 | Prefabricated segment assembled pier body structure and construction method thereof |
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