CN108103927B - The recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after shake - Google Patents
The recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after shake Download PDFInfo
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- CN108103927B CN108103927B CN201711488434.0A CN201711488434A CN108103927B CN 108103927 B CN108103927 B CN 108103927B CN 201711488434 A CN201711488434 A CN 201711488434A CN 108103927 B CN108103927 B CN 108103927B
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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
- E01D19/00—Structural or constructional details of bridges
- E01D19/02—Piers; Abutments ; Protecting same against drifting ice
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Abstract
The invention discloses the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after shake, structural system is made of prefabricated cushion cap, prefabricated lower layer's pier stud, prefabricated lower layer's crossbeam, prefabricated upper layer pier stud, prefabricated upper layer crossbeam, friction energy-dissipating damper, unbonded prestressing tendon, steel pin bolt.Prefabricated upper layer pier stud-prefabricated upper layer crossbeam, prefabricated upper layer pier stud-prefabricated lower layer crossbeam are connected by unbonded prestressing tendon, are aided with frcition damper, form self-resetting swinging dissipative devices.Prefabricated lower layer's pier stud-prefabricated lower layer crossbeam, prefabricated lower layer's pier stud-prefabricated cushion cap passes through grout sleeve respectively, spigot-and-socket is attached, and forms equivalent cast-in-place system.Smaller under shake effect, upper layer is consumed energy by self-resetting swinging, and understructure is in elastic stage.While superstructure waves energy consumption, understructure generates limited Plastic Damage dissipation seismic energy.After shake superstructure can Self-resetting, understructure can repair quickly, and structural system can fast quick-recovery function.
Description
Technical field
The present invention relates to novel bridge structural systems, more particularly, to the recoverable full precast assembly bilayer frame of function after shake
Frame Bridge Pier Structure System and the practice.
Background technique
With the development of China's Development of China's Urbanization, Urban Traffic Jam Based becomes increasingly conspicuous, and existing urban transportation basis is set
Deterioration of Structural Performance is applied, bearing capacity reduces, and seriously constrains the development in city, needs reconstruction or newly-built urban road, bridge
Equal traffic bases are set.Double-deck Viaduct beam can make full use of space, and traffic diverging and expansion are realized on limited path area
Hold, is a kind of efficient transportation network solution, is more and more widely used in the construction of urban elevated bridge.
Currently, still based on cast in situs, the construction period is long for the construction of Urban Bridge, and place occupies greatly, and bridge is caused to build
If the serious traffic congestion in place periphery increases the throe sense in city.It is tighter that cast in situs simultaneously will cause construction place periphery
The environmental pollutions such as sewage, fugitive dust, the noise of weight, and it is easy to produce industrial accident.Therefore, the construction of Urban Bridge is compeled to be essential
Want more efficient, green, efficiently industrialized construction way, precast assembly technology become the selection of people.Precast assembly technology
It is produced using element factory metaplasia, the mode of on-site hoisting assembly greatly shortens the site operation duration, reduces the shadow to environment
It rings, the increasingly attention by science of bridge building teacher.In China, existing precast assembly technology is mainly used for bridge superstructure, uses
Also very few in the precast assembly technology of the substructures such as bridge pier column, there is an urgent need to develop the precast assembly skill of substructure
Art.
The bridge pier of Double-deck Viaduct beam mostly uses Frame Pier, and the stress under geological process is complicated, and structure is potentially moulded
Property hinge region may up to 8, first recurring structure monolithic stability problem is possible to before structure reaches ductile ability, structure
Anti-seismic performance is not easy to meet the requirements.Meanwhile the overhead pier column based on Ductility Design theory, it often generates under geological process
More serious damage and biggish residual deformation repair difficulty after causing shake, influence the traffic capacity of elevated bridge, antidetonation is hindered to rescue
The implementation of calamity.Therefore, it is necessary to develop the recoverable Aseismic Structure System of function after shake, reduces the damage of pier stud and remaining become
Shape, make it have can fast quick-recovery ability, the fast passing after guaranteeing elevated bridge shake.
Summary of the invention
In order to solve the above-mentioned technical problems, the present invention provides a kind of recoverable full precast assembly bilayer frames of function after shake
Frame Bridge Pier Structure System, which may be implemented live full precast assembly construction, in the premise for guaranteeing enough strength and stiffness
Under, reduce the seismic force that is born of structure, and have the function of seismic Damage controllably and after shake can quick-recovery fastly ability.
The recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake, including the prefabricated cushion cap of Frame Pier
(1), prefabricated lower layer's pier stud (2), prefabricated lower layer's crossbeam (3), prefabricated upper layer pier stud (4), prefabricated upper layer crossbeam (5), external friction
Energy-consumption damper (6), unbonded prestressing tendon (7), steel pin bolt (10), steel cage (13), steel sleeve (14), billet (15), with
And grout sleeve (17), the lower part of prefabricated upper layer crossbeam (5) are equipped with the prefabricated upper layer pier stud (4) of two side-by-side, it is each it is prefabricated on
It is prefabricated lower layer's crossbeam (3) below layer pier stud (4), is the prefabricated lower layer's pier of two side-by-side below prefabricated lower layer's crossbeam (3)
Column (2) is prefabricated cushion cap (1) below prefabricated lower layer's pier stud (2).
Prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud (4) pass through through prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud
(4) presstressed reinforcing steel (7) connection of the parallel soap-free emulsion polymeization of four internal beams；Four Shu Pinghang of bottom of the prefabricated upper layer crossbeam (5)
Unbonded prestressing tendon (7) between be equipped with and reserve cylindrical cavity by steel cage (13), placing steel tubes are mixed in cylindrical cavity
Solidifying soil pin (10)；In steel cage (13), the other end is located at prefabricated upper layer pier stud for one end setting of concrete filled steel tube pin (10)
(4) internal；It is set to internal concrete filled steel tube pin (10) outer surface of prefabricated upper layer pier stud (4) and is equipped with peg (12), bottom
Equipped with circular flange disk (11)；Thickness is equipped at prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4) upper-end contact
For the billet (15) of 2cm, the upper end of prefabricated upper layer pier stud (4) is equipped with the steel sleeve (12) with a thickness of 2cm；Prefabricated upper layer crossbeam
(14) inside that bottom is connect with prefabricated upper layer pier stud (4) is equipped with pivoting friction energy-consumption damper (6).
Prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam (3) pass through through prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam
(3) presstressed reinforcing steel (7) connection of the parallel soap-free emulsion polymeization of four internal beams；The top of prefabricated lower layer's crossbeam (3) is the same as prefabricated upper layer pier
Connecting structure of the connecting structure of the lower end of column (4) with above-mentioned prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4)；
Pivoting friction energy-consumption damper (6) are equipped with the outside of end in contact under prefabricated upper layer pier stud (4) at the top of prefabricated lower layer's crossbeam (3).
The steel bar stress (19) of prefabricated lower layer's pier stud (2) protrudes from styletable, and is inserted into and is arranged in prefabricated lower layer's crossbeam (3)
In the grout sleeve (17) of bottom, perfusion High Performance Mortar forms connection；The bottom of prefabricated lower layer's crossbeam (3) and prefabricated lower layer's pier
High Performance Mortar bed course (18) are set between column (2)；Rectangular hole is reserved on prefabricated cushion cap (1), prefabricated lower layer's pier stud (2)
Lower part is inserted into hole, and gap is filled by high performance grouting material, is formed spigot-and-socket (8) with cushion cap and is connect.
The pivoting friction energy-consumption damper (6) is made of cast steel, and pivoting friction energy-consumption damper (6) passes through high-strength bolt
(16) it is connected respectively on prefabricated upper layer crossbeam (5), prefabricated lower layer's crossbeam (3) and prefabricated upper layer pier stud (4), passes through relative rotation
Friction carrys out dissipation energy.
Pivoting friction energy-consumption damper (6) includes two T shape components (22) connecting with prefabricated upper layer pier stud (4), and pre-
Upper layer crossbeam (5) processed, prefabricated lower layer's crossbeam (3) connection two l-shaped members (20), a T shape component (21), four ledrites
Friction disc (23) and a damper high-strength bolt (24).Two l-shaped members (20) are symmetricly set on a T shape component (21)
Two sides, l-shaped member (20) are connected with T shape component (21) by high-strength bolt (16)；It is horizontal that T shape component (21) anchors to prefabricated lower layer
On beam (3), l-shaped member (20) is anchored on prefabricated upper layer crossbeam (5)；Between l-shaped member (20) and T shape component (21) there are
Gap places the T shape component (22) being connected with prefabricated upper layer pier stud (4) in this gap；L-shaped member (20) and T shape component (22)
Between and T shape component (22) and T shape component (21) between be equipped with ledrite friction disc (23)；Pass through damper high-strength bolt
(24) l-shaped member (20), ledrite friction disc (23), T shape component (22) and T shape component (21) are linked together and is pressed from both sides
Tightly；When external friction energy-consumption damper rotates, the contact surface of T shape component (22) and ledrite friction disc (23) is generated
Relative displacement forms rubbing surface energy consumption.
Prefabricated upper layer crossbeam (5), prefabricated lower layer's crossbeam are inserted into both ends setting steel pin bolt (10) of prefabricated upper layer pier stud (4)
(3) shear connector is formed in steel cage (13), it is fixed and positioned when reliable shear resistance being provided, while being constructed convenient for assembly.
Unbonded prestressing tendon (7) is made of carbon fibre reinforced composite, sequentially passes through prefabricated upper layer crossbeam (5), pre-
Upper layer pier stud (4) processed, prefabricated lower layer's crossbeam (3), and respectively by anchorage (9) be anchored in prefabricated upper layer crossbeam (5) top and
The lower part of prefabricated lower layer's crossbeam (3).
Unbonded prestressing tendon (7) has runback bit function.
The beneficial effects of the present invention are:
Full prefabrication and assembly construction double-layer frame pier structure system of the invention is main, it can be achieved that prefabrication and assembly construction, function can be restored after shake
It is embodied in the following:
1. the precast assembly double-layer frame pier structure system whole component is all made of prefabrication, scene need to only be spelled
Dress greatly shortens the site operation duration, reduces the influence to the construction traffic of place periphery and environment, realizes green, industry
Change bridge construction.
2. prefabricated upper layer pier stud-prefabricated upper layer crossbeam, prefabricated upper layer pier stud-prefabricated lower layer crossbeam pass through prestressing without bondn
Muscle connection, under geological process, contact portion can be waved, and can reduce the stress of bridge structure under geological process, together
Shi Liyong waves dissipation seismic energy, reduces the damage of pier stud, and has self-resetting capability after shaking.
3. friction energy-dissipating damper is arranged between precast pier and prefabricated crossbeam come the seismic energy that dissipates, effectively control upper layer
The development of bridge pier plastic deformation, makes energy consumption concentrate on frcition damper, can protect upper layer bridge pier under geological process from damaging,
And friction energy-dissipating damper can be replaced.
4. prefabricated lower layer's pier stud-prefabricated lower layer crossbeam, prefabricated lower layer's pier stud-prefabricated cushion cap pass through grout sleeve respectively, hold
Slotting formula is attached, effect be equal to it is cast-in-place, by limited damage dissipative part seismic energy under geological process, after shake
It damages small, can quickly repair.
5. the precast assembly Double-deck Viaduct Frame Pier upper layer is self-resetting swinging structure, lower layer is equivalent cast-in-place structural.
Under the effect of shake smaller, upper layer self-resetting swinging structure is waved and is dissipated seismic energy by frcition damper, and lower layer ties
Structure is in elastic stage, not damaged generation.Under site ground motion geological process, self-resetting swinging energy consumption occurs for superstructure
Meanwhile understructure generates limited Plastic Damage dissipation seismic energy.In this way shake after superstructure can Self-resetting, understructure
It damages small, can quickly repair, restore to use function.
6. the present invention is smaller to the change of conventional Pier Design, easy to accomplish, applied widely, building for bridge can be accelerated
If reducing the damage of pier stud by self-resetting swinging and the classification energy consumption of limited ductility, can quickly repairing after shake, restore to pass through
Function, rehabilitation cost and disaster area reconstruction time after reducing shake.The present invention has good economic effect, is worthy to be popularized and answers
With.
Detailed description of the invention
Fig. 1 is the outside schematic diagram of full precast assembly double-layer frame Bridge Pier Structure System.
Fig. 2 is the Joint's connection fabrication figure of prefabricated upper layer pier stud-prefabricated crossbeam of the structural system.
Fig. 3 is the Joint's connection fabrication figure of prefabricated lower layer's pier stud-prefabricated crossbeam of the structural system.
Fig. 4 is the front view of the system pivoting friction energy-consumption damper.
Fig. 5 is the Section A-A view of the system pivoting friction energy-consumption damper.
In figure: the prefabricated cushion cap of 1-Frame Pier；2-prefabricated lower layer's pier studs；3-prefabricated lower layer's crossbeams；4-prefabricated upper layer piers
Column；5-prefabricated upper layer crossbeams；6-friction energy-dissipating dampers；7-unbonded prestressing tendons；8-bayonet joints；9-answer in advance
Power anchorage: 10-steel pin bolts；11-steel flanges: 12-WELDING STUDSs；13-steel cages: 14-steel sleeves；15-billets；16-is high
Strength bolt；17-grout sleeves；18-mortar beds；19-pier stud steel bar stresses；20-connecting cross beam l-shaped members；21-even
Connect crossbeam T shape component；22-connection pier stud T shape components；23-ledrite friction discs；24-damper screw rods.
Specific embodiment
The present invention separates upper layer pier stud and upper and lower layer crossbeam on the basis of typical bilayer elevated bridge Frame Pier
Come, connected by unbonded prestressing tendon, and be aided with frcition damper to consume energy, upper layer is made to form self-resetting swinging structure, comes
Reduce the reaction of geological process flowering structure.Lower layer's pier stud and lower layer's crossbeam, cushion cap are formed by grout sleeve, bayonet joint
Same cast-in-place structural, and consumed energy with limited ductility.Upper and lower layer stepped mixing under different level earthquake motion effect consumes energy, and reduces
The damage of Frame Pier repair it can quickly, restore current function.The prefabrication and assembly construction that the structural system is suitable for elevated bridge is fast
Speed construction.
As shown in Figs. 1-5, the present invention is a kind of full precast assembly double-layer frame bridge pier structure body of recoverable function after shake
System, mainly by the prefabricated cushion cap of Frame Pier (1), prefabricated lower layer's pier stud (2), prefabricated lower layer's crossbeam (3), prefabricated upper layer pier stud (4), pre-
Upper layer crossbeam (5) processed, external friction energy-consumption damper (6), unbonded prestressing tendon (7), steel pin bolt (10), steel cage (13), steel
Casing (14), billet (15) and grout sleeve (17) composition, the lower part of prefabricated upper layer crossbeam (5) has two side-by-side pre-
Upper layer pier stud (4) processed, is prefabricated lower layer's crossbeam (3) below each prefabricated upper layer pier stud (4), under prefabricated lower layer's crossbeam (3)
Face is the prefabricated lower layer's pier stud (2) of two side-by-side, is prefabricated cushion cap (1) below prefabricated lower layer's pier stud (2).
Prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud (4) pass through through prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud
(4) presstressed reinforcing steel (7) connection of the parallel soap-free emulsion polymeization of four internal beams；Four Shu Pinghang of bottom of the prefabricated upper layer crossbeam (5)
Unbonded prestressing tendon (7) between be equipped with and reserve cylindrical cavity by steel cage (13), placing steel tubes are mixed in cylindrical cavity
Solidifying soil pin (10)；In steel cage (13), the other end is located at prefabricated upper layer pier stud for one end setting of concrete filled steel tube pin (10)
(4) internal；It is set to internal concrete filled steel tube pin (10) outer surface of prefabricated upper layer pier stud (4) and is equipped with peg (12), bottom
Equipped with circular flange disk (11)；Thickness is equipped at prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4) upper-end contact
For the billet (15) of 2cm, the upper end of prefabricated upper layer pier stud (4) is equipped with the steel sleeve (12) with a thickness of 2cm；Prefabricated upper layer crossbeam
(14) inside that bottom is connect with prefabricated upper layer pier stud (4) is equipped with pivoting friction energy-consumption damper (6).
Prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam (3) pass through through prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam
(3) presstressed reinforcing steel (7) connection of the parallel soap-free emulsion polymeization of four internal beams；The top of prefabricated lower layer's crossbeam (3) is the same as prefabricated upper layer pier
Connecting structure of the connecting structure of the lower end of column (4) with above-mentioned prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4)；
Pivoting friction energy-consumption damper (6) are equipped with the outside of end in contact under prefabricated upper layer pier stud (4) at the top of prefabricated lower layer's crossbeam (3).
The steel bar stress (19) of prefabricated lower layer's pier stud (2) protrudes from styletable, and is inserted into and is arranged in prefabricated lower layer's crossbeam (3)
In the grout sleeve (17) of bottom, perfusion High Performance Mortar forms connection；The bottom of prefabricated lower layer's crossbeam (3) and prefabricated lower layer's pier
High Performance Mortar bed course (18) are set between column (2)；Rectangular hole is reserved on prefabricated cushion cap (1), prefabricated lower layer's pier stud (2)
Lower part is inserted into hole, and gap is filled by high performance grouting material, is formed spigot-and-socket (8) with cushion cap and is connect.
The external pivoting friction energy-consumption damper (6) is made of cast steel, is connected respectively to by high-strength bolt (16)
On prefabricated upper layer crossbeam (5), prefabricated lower layer's crossbeam (3) and prefabricated upper layer pier stud (4), by relatively rotating friction come Dissipated energy
Amount.
Pivoting friction energy-consumption damper (6) include two T shape components (22) being connect with prefabricated upper layer pier stud (4), with it is pre-
Upper layer crossbeam (5) processed, two l-shaped members (20) of prefabricated lower layer's crossbeam (3) connection and T shape component (21), a ledrite rub
Disk (23), damper screw rod (24) composition are wiped, forms four rubbing surfaces altogether to consume energy.
The steel cage (13) of prefabricated up/down crossbeam (3)/(5) is inserted into both ends setting steel pin bolt (10) of prefabricated upper layer pier stud (4)
It is interior, shear connector is formed, it is fixed and positioned when reliable shear resistance being provided, while being constructed convenient for assembly.
Unbonded prestressing tendon (7) is made of carbon fibre reinforced composite, sequentially passes through prefabricated upper layer crossbeam (5), pre-
Upper layer pier stud (4) processed, prefabricated lower layer's crossbeam (3), and respectively by anchorage (9) be anchored in prefabricated upper layer crossbeam (5) top and
The lower part of prefabricated lower layer's crossbeam (3).
Unbonded prestressing tendon (7) has runback bit function.
The present invention breaks through the cast-in-place construction mode of conventional double overpass frame pier stud, is constructed using full prefabrication and assembly constructionization,
The site operation duration greatly is shortened, the traffic to place periphery and the influence of environment is reduced, realizes frame pier stud
Green, industrialized construction.Mentality of designing of the invention is clear, and design method is flexible, and the self-resetting swinging of superstructure is responded
Limited ductility energy consumption with understructure combines, and realizes and consumes in the stepped mixing of different earthquake horizontal force flowering structure system
Energy mechanism, preferable damage of the control structure under geological process of energy shake structure can quick-recovery function, reduction fastly after shake
The expense repaired afterwards and the required time that resumes traffic, have preferable economic results in society, are worth promoting and applying in practical projects.
Claims (6)
1. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake, it is characterised in that: including frame
The prefabricated cushion cap of pier (1), prefabricated lower layer's pier stud (2), prefabricated lower layer's crossbeam (3), prefabricated upper layer pier stud (4), prefabricated upper layer crossbeam
(5), external friction energy-consumption damper (6), unbonded prestressing tendon (7), steel pin bolt (10), steel cage (13), steel sleeve (14), steel
The lower part of backing plate (15) and grout sleeve (17), prefabricated upper layer crossbeam (5) is equipped with the prefabricated upper layer pier stud (4) of two side-by-side,
It is prefabricated lower layer's crossbeam (3) below each prefabricated upper layer pier stud (4), is two side-by-side below prefabricated lower layer's crossbeam (3)
Prefabricated lower layer's pier stud (2) is the prefabricated cushion cap of Frame Pier (1) below prefabricated lower layer's pier stud (2)；
Prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud (4) pass through through prefabricated upper layer crossbeam (5) and prefabricated upper layer pier stud (4)
Parallel unbonded prestressing tendon (7) connection of four internal beams；The parallel nothing of four beam of bottom of the prefabricated upper layer crossbeam (5) is viscous
It ties to be equipped between presstressed reinforcing steel (7) and reserves cylindrical cavity, placing steel tubes concrete pin in cylindrical cavity by steel cage (13)
Bolt (10)；In steel cage (13), the other end is located in prefabricated upper layer pier stud (4) for one end setting of concrete filled steel tube pin (10)
Portion；It is set to internal concrete filled steel tube pin (10) outer surface of prefabricated upper layer pier stud (4) and is equipped with peg (12), bottom is equipped with circle
Shape ring flange (11)；It is equipped at prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4) upper-end contact with a thickness of 2cm
Billet (15), the steel sleeve (14) that the upper end of prefabricated upper layer pier stud (4) is equipped with a thickness of 2cm；Prefabricated upper layer crossbeam (5) bottom
The inside that portion is connect with prefabricated upper layer pier stud (4) is equipped with pivoting friction energy-consumption damper (6)；
Prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam (3) pass through through prefabricated upper layer pier stud (4) and prefabricated lower layer's crossbeam (3)
Parallel unbonded prestressing tendon (7) connection of four internal beams；The top of prefabricated lower layer's crossbeam (3) is the same as prefabricated upper layer pier stud (4)
Lower end connecting structure with above-mentioned prefabricated upper layer crossbeam (5) bottom and prefabricated upper layer pier stud (4) connecting structure；Under prefabricated
Pivoting friction energy-consumption damper (6) are equipped with the outside of end in contact under prefabricated upper layer pier stud (4) at the top of layer crossbeam (3)；
The steel bar stress (19) of prefabricated lower layer's pier stud (2) protrudes from styletable, and is inserted into and is arranged in prefabricated lower layer's crossbeam (3) bottom
Grout sleeve (17) in, perfusion High Performance Mortar formed connection；The bottom of prefabricated lower layer's crossbeam (3) and prefabricated lower layer's pier stud
(2) High Performance Mortar bed course (18) are set between；Rectangular hole, prefabricated lower layer's pier stud are reserved on the prefabricated cushion cap of Frame Pier (1)
(2) in lower part insertion hole, gap is filled by high performance grouting material, forms spigot-and-socket (8) with the prefabricated cushion cap of Frame Pier (1)
Connection.
2. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake according to claim 1,
It is characterized by: the pivoting friction energy-consumption damper (6) is made of cast steel, pivoting friction energy-consumption damper (6) passes through high-strength
Bolt (16) is connected respectively on prefabricated upper layer crossbeam (5), prefabricated lower layer's crossbeam (3) and prefabricated upper layer pier stud (4), by opposite
Pivoting friction carrys out dissipation energy.
3. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake according to claim 1,
It is characterized by: pivoting friction energy-consumption damper (6) includes two connection pier stud T shape structures connecting with prefabricated upper layer pier stud (4)
Part (22), two connecting cross beam l-shaped members (20) being connect with prefabricated upper layer crossbeam (5), prefabricated lower layer's crossbeam (3), a company
Connect crossbeam T shape component (21), four ledrite friction discs (23) and a damper high-strength bolt (24)；Two connecting cross beams
L-shaped member (20) is symmetricly set on connecting cross beam T shape component (21) two sides, connecting cross beam l-shaped member (20) with connect cross
Beam T shape component (21) is connected by high-strength bolt (16)；Connecting cross beam T shape component (21) anchors on prefabricated lower layer's crossbeam (3),
Connecting cross beam l-shaped member (20) anchors on prefabricated upper layer crossbeam (5)；Connecting cross beam l-shaped member (20) and connecting cross beam T shape structure
There are gaps between part (21), place the connection pier stud T shape component (22) being connected with prefabricated upper layer pier stud (4) in this gap；
Between connecting cross beam l-shaped member (20) and connection pier stud T shape component (22) and connection pier stud T shape component (22) and connecting cross beam
Ledrite friction disc (23) are equipped between T shape component (21)；By damper high-strength bolt (24) by connecting cross beam l-shaped member
(20), ledrite friction disc (23), connection pier stud T shape component (22) and connecting cross beam T shape component (21) link together simultaneously
It clamps；When external friction energy-consumption damper rotates, pier stud T shape component (22) and ledrite friction disc (23) are connected
Contact surface generates relative displacement, forms rubbing surface energy consumption.
4. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake according to claim 1,
It is characterized by: prefabricated upper layer crossbeam (5), prefabricated lower layer cross are inserted into both ends setting steel pin bolt (10) of prefabricated upper layer pier stud (4)
The steel cage (13) of beam (3) is interior to form shear connector, provides reliable shear resistance, while convenient for assembling installation when construction and determining
Position.
5. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake according to claim 1,
It is characterized by: unbonded prestressing tendon (7) is made of carbon fibre reinforced composite, sequentially pass through prefabricated upper layer crossbeam (5),
Prefabricated upper layer pier stud (4), prefabricated lower layer's crossbeam (3), and the top of prefabricated upper layer crossbeam (5) is anchored in by anchorage (9) respectively
With the lower part of prefabricated lower layer's crossbeam (3).
6. the recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after a kind of shake according to claim 1,
It is characterized by: unbonded prestressing tendon (7) has runback bit function.
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| CN201711488434.0A CN108103927B (en) | 2017-12-30 | 2017-12-30 | The recoverable full precast assembly double-layer frame Bridge Pier Structure System of function after shake |
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|---|---|---|---|---|
| CN108894100B (en) * | 2018-08-15 | 2020-05-19 | 西安科技大学 | Anti-seismic pier of rigid frame bridge and construction method thereof |
| CN108914765B (en) * | 2018-08-15 | 2020-03-13 | 石家庄铁道大学 | Replaceable assembled shock-absorbing pier |
| CN110258309B (en) * | 2019-07-08 | 2024-01-23 | 中铁二院工程集团有限责任公司 | Standard segment pier stud and assembling method thereof |
| CN110258312B (en) * | 2019-07-16 | 2024-03-22 | 中铁二院工程集团有限责任公司 | Structure connecting section of section assembly pier column, design method and construction method thereof |
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| CN112030718B (en) * | 2020-08-06 | 2024-05-31 | 同济大学 | Multistage swinging system for rapid connection of prefabricated spliced pier and bearing platform |
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| CN113481833A (en) * | 2021-07-23 | 2021-10-08 | 北京工业大学 | Prefabricated assembly type swing pier structure system with additional energy dissipation support or self-resetting energy dissipation support |
| CN115369735A (en) * | 2022-07-14 | 2022-11-22 | 重庆大学 | Multi-layer steel-concrete frame bridge for co-construction of mountain urban traffic and square and construction method thereof |
| CN116335017B (en) * | 2023-03-10 | 2023-11-14 | 天津大学 | Full-assembled bridge structure system of separated type swing bearing platform |
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| JP4607204B2 (en) * | 2008-05-02 | 2011-01-05 | 朝日エンヂニヤリング株式会社 | Rigid joint structure of pier and main girder |
| JP5173988B2 (en) * | 2009-11-12 | 2013-04-03 | 中部電力株式会社 | Seismic improvement structure of existing sluice pillar and coupled earthquake resistant structure |
| JP5771139B2 (en) * | 2011-12-27 | 2015-08-26 | 鹿島建設株式会社 | Damper structure and its construction method |
| CN104153287B (en) * | 2014-07-07 | 2016-03-23 | 上海应用技术学院 | There is the section assembling concrete frame bridge pier system and method for self-resetting capability |
| CN105297617B (en) * | 2015-11-24 | 2017-04-19 | 北京工业大学 | Double-column type swinging shock-insulation bridge pier structure system |
| CN106087702B (en) * | 2016-06-09 | 2017-12-29 | 防灾科技学院 | It is a kind of based on waving Self-resetting dual deck bridge framed bent pier with perps power consumption angle steel |
| CN106351113B (en) * | 2016-08-28 | 2018-04-17 | 防灾科技学院 | A kind of high-speed railway bridge seismic Damage control system |
| CN206109970U (en) * | 2016-08-31 | 2017-04-19 | 南京理工大学 | Prefabricated assembled pier suitable for well meizoseismal area |
| CN107059599B (en) * | 2017-04-27 | 2019-01-08 | 北京市市政工程设计研究总院有限公司 | Antidetonation, damping cast-in-situ bridge without support Self-resetting |
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