CN110258286A - A kind of prefabricated PC floorings and bridge - Google Patents
A kind of prefabricated PC floorings and bridge Download PDFInfo
- Publication number
- CN110258286A CN110258286A CN201910715071.2A CN201910715071A CN110258286A CN 110258286 A CN110258286 A CN 110258286A CN 201910715071 A CN201910715071 A CN 201910715071A CN 110258286 A CN110258286 A CN 110258286A
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- China
- Prior art keywords
- bridge
- prestressed
- platform
- floorings
- prefabricated
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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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
- E01D1/00—Bridges in general
-
- 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
- E01D19/12—Grating or flooring for bridges; Fastening railway sleepers or tracks to bridges
- E01D19/125—Grating or flooring for bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention provides a kind of prefabricated PC floorings and bridges, belong to technical field of bridge construction.Bridge pier top base is connect with anti-settling substrate, is connect at the top of bridge pier with bearing platform；Two pieces of prestressed bridge panels are arranged in bearing platform transverse direction, and prestressed anchor is set in prestressed bridge panel, is connect with prestressing force bridge floor by connection pillar in the middle part of bearing platform, shock mount is arranged in connection pillar；Bearing platform left and right ends arrange that anticollision barrier is arranged in postive stop baffle limitation prestressed bridge panel or so translation, prestressing force bridge floor left and right ends；It is an advantage of the invention that structural system stress performance is good, fast and convenient, easy replacement is installed, prestressed bridge panel and bearing platform junction arrangement shock mount improve the stress and anti-seismic performance of bridge pier entirety.Prestressed bridge panel left and right ends arrangement anticollision barrier can play good buffer function to vehicle is hit, and reduce casualties and economic loss when traffic accident occurs.
Description
Technical field
The present invention relates to a kind of prefabricated PC floorings and bridges, belong to a kind of packaged type bridges construction
Technical field.
Background technique
Along with the planning construction of China's freeway net and the acceleration of urbanization process, in order to reduce bridge construction process
In on the dependence of environment and influence, in engineering practice, had using Precast Concrete Segmental Bridges technology and segment lifting technology very big
Advantage, early stage application focus primarily upon it is over strait across large bridges such as rivers, wherein use segment tensioned prestressing bar and section
The technology that combines of section connection regular reinforcement for China's engineering practice and is studied and provides new thinking, but thick pillar back liter
Construction is used as counter-force platform, and bearing capacity is smaller, can not be applied to directly jack from great bridge structure, to entire construction
Biggish workload can be brought, compared with thick pillar girder construction, economy is poor, and cast-in-situ bridge speed of application is slow, does not meet country
The precast assembly theory of promotion, existing bridge assembling method in the presence of assembled dislocation, shock resistance difference and are not easy to replace again
Problem is in conclusion one kind of seeking quasi- at present is based on unit construction bridge girder construction, using prestressing technique, detachably, to former pier stud
Or bridge structure seems particularly significant without affecting greatly construction method.
Summary of the invention
In order to solve the above technical problem, the present invention provides a kind of prefabricated PC floorings and bridge,
The casualties and economic loss when traffic accident occurs can be reduced.
The technical solution adopted by the invention is as follows:
A kind of prefabricated PC floorings and bridge, including bridge pier, bearing platform, prestressed bridge panel,
Shock mount, anti-settling substrate, foundation pile, anticollision barrier, prestressed anchor, antidumping holdfast, fixed anchorage；The bridge pier
Bottom is connect with anti-settling substrate, and the lower part of anti-settling substrate is connect with foundation pile, is connect, is held with bearing platform at the top of bridge pier
It connects and arranges two module unit prestressed bridge panels in platform transverse direction, be equipped with and subtract between bearing platform and unit prestressed bridge panel
Support is shaken, prestressed anchor is arranged in prestressed bridge panel itself, and prefabricated anticollision barrier is arranged in the left and right ends of prestressed bridge panel,
Fixed anchorage runs through side and prestressed bridge panel left or right of the anticollision barrier outside floorings, and anticollision barrier is consolidated
It is scheduled on prestressed bridge panel, anticollision barrier is fixed on by side arrangement antidumping holdfast of the anticollision barrier inside floorings
On prestressed bridge panel.
Further, the pier stud Vertical Reinforcement arranged inside the bridge pier extend to anti-settling base internal and with it is anti-
The substrate transverse direction arrangement of reinforcement of sedimentation base internal arrangement is fixed together；The pier stud Vertical Reinforcement arranged inside bridge pier extends to
It is fixed together inside bearing platform and with the platform transverse direction arrangement of reinforcement arranged inside bearing platform.
Further, the bearing platform includes that cushion cap main body, postive stop baffle, limiting slot, lower connection pillar, lower construction are flat
Platform, platform transverse direction arrangement of reinforcement, platform longitudinal reinforcement, mid-board；Cushion cap body interior requires arrangement platform lateral according to Specification Design
Arrangement of reinforcement and platform longitudinal reinforcement, cushion cap main body upper end are symmetrically arranged two groups and are put down by what several lower operation platforms formed
Mid-board is arranged between two group platforms, lower connection pillar, cushion cap main body are arranged between every group of lower operation platform of adjacent two for platform
Postive stop baffle, postive stop baffle disposed inboard limiting slot are arranged on the upside of left and right end portions.
Further, the prestressed bridge panel includes floorings main body, upper operation platform, upper connection pillar, outer card
Tenon, anchorage slot；Several upper operation platforms corresponding with lower operation platform position of floorings lower body portion setting, adjacent two
Upper connection pillar is set between upper operation platform, and outer trip matches with limiting slot, and postive stop baffle barrier is in outer trip
Outside and the translation that limits prestressed bridge panel or so, upper connection pillar are corresponding with lower connection pillar position and therebetween
Arrange shock mount.
Further, the anti-settling substrate is arranged in soil layer, and internal arrangement substrate transverse direction arrangement of reinforcement and substrate are vertical
Arrangement of reinforcement.
Further, the prestressed anchor includes rope head, rope body, rope hook plate；Rope body is made of multiply steel strand wires, rope
Head is located at the both ends of rope body, and rope hook plate is arranged on the inside of rope head；Rope body passes through the prestressing force that prestressed bridge panel itself is reserved
Cableway is simultaneously locked with rope head, and rope head is fixed on inside anchorage slot.
Further, pier stud circumferential direction stirrup is arranged around pier stud Vertical Reinforcement inside the bridge pier.
Further, shock mount is arranged in the mid-board left and right ends.
Further, the upper operation platform, upper connection pillar, lower operation platform and lower connection pillar surround six sides
Shape bridge opening.
Further, the Vertical Reinforcement arranged inside the foundation pile extend to anti-settling base internal and with anti-settling substrate
The substrate transverse direction arrangement of reinforcement of inside arrangement is fixed together.
The beneficial effects of the present invention are: structural system stress performance is good, fast and convenient, easy replacement, prestressed bridge are installed
Panel and bearing platform junction arrangement shock mount improve the stress and anti-seismic performance of bridge pier entirety.Postposition lifting support
It can assist prestressed floorings and lifting prestressed bridge panel replacement shock mount；Prestressed bridge panel left and right ends cloth
Good buffer function can be played to vehicle is hit by setting anticollision barrier, reduce casualties and economy when traffic accident occurs
Loss.
Detailed description of the invention
Fig. 1 is bridge structure structural schematic diagram；
Fig. 2 is prefabricated PC deck structrue schematic diagram；
Fig. 3 is the side view of Fig. 2；
Fig. 4 is bearing platform structural schematic diagram；
Fig. 5 is bearing platform and prefabricated PC floorings connection schematic diagram；
Fig. 6 is that postposition lifting support peer goes up and down prestressed bridge panel schematic diagram；
Fig. 7 is that the different grade of postposition lifting support goes up and down prestressed bridge panel schematic diagram；
Fig. 8 is prestressed anchor structural schematic diagram；
Fig. 9 is anticollision barrier and prestressed bridge panel joint detail figure at A in Fig. 1；
Figure 10 is that bridge pier connect arrangement of reinforcement detail view with bearing platform at C in Fig. 1；
Figure 11 is that bridge pier, foundation pile connect arrangement of reinforcement detail view at D in Fig. 1.
In figure: 1 is bridge pier；2 be bearing platform；3 be prestressed bridge panel；4 be shock mount；5 be anti-settling base
Bottom；6 be foundation pile；7 be anticollision barrier；8 be prestressed anchor；9 be antidumping holdfast；10 be fixed anchorage；11 go up and down for postposition
Pillar；1-1 is pier stud Vertical Reinforcement；1-2 is pier stud circumferential direction stirrup；2-1 is cushion cap main body；2-2 is postive stop baffle；2-3 is limited
Position slot；2-4 is lower connection pillar；2-5 is lower operation platform；2-6 is platform transverse direction arrangement of reinforcement；2-7 is platform longitudinal reinforcement；2-8
For mid-board；3-1 is floorings main body；3-2 is upper operation platform；3-3 is upper connection pillar；3-4 is outer trip；3-5 is
Anchorage slot；5-1 is substrate transverse direction arrangement of reinforcement；5-2 is substrate Vertical Reinforcement；8-1 is rope head；8-2 is rope body；8-3 is rope hook plate.
Specific embodiment
In order to further illustrate the present invention, the present invention is described in detail with reference to the accompanying drawings and embodiments, but not
They can be interpreted as limiting the scope of the present invention.
Embodiment: as shown in figs. 1-11, a kind of prefabricated PC floorings and bridge mainly include bridge pier
Pier stud 1, bearing platform 2, prestressed bridge panel 3, shock mount 4, anti-settling substrate 5, foundation pile 6, anticollision barrier 7, prestressed anchor
Tool 8, antidumping holdfast 9, fixed anchorage 10；1 bottom of bridge pier is connect with anti-settling substrate 5, wherein in bridge pier 1
The pier stud Vertical Reinforcement 1-1 of portion's arrangement extends to the inside of anti-settling substrate 5 and lateral with the substrate arranged inside anti-settling substrate 5
Arrangement of reinforcement 5-1 is fixed together；1 top of bridge pier is connect with bearing platform 2, and the pier stud wherein arranged inside bridge pier 1 is perpendicular
2 inside of bearing platform is extended to arrangement of reinforcement 1-1 and is fixed together with the platform transverse direction arrangement of reinforcement 2-6 arranged inside bearing platform 2；
Anti-settling substrate 5 is connect with foundation pile 6, the Vertical Reinforcement wherein arranged inside foundation pile 6 extend to the inside of bearing platform 2 and with undertaking
The platform transverse direction arrangement of reinforcement 2-6 arranged inside platform 2 is fixed together；
Bearing platform 2 by cushion cap main body 2-1, postive stop baffle 2-2, limiting slot 2-3, lower connection pillar 2-4, lower operation platform 2-5,
Platform transverse direction arrangement of reinforcement 2-6, platform longitudinal reinforcement 2-7, mid-board 2-8 composition；According to Specification Design requirement inside cushion cap main body 2-1
Arrange platform transverse direction arrangement of reinforcement 2-6 and platform longitudinal reinforcement 2-7, the upper end cushion cap main body 2-1 is symmetrically arranged under two groups and constructs
Platform 2-5, operation platform 2-5 is separated by mid-board 2-8 under two groups, and the lower operation platform 2-5 of every group of adjacent two is by lower connection
Pillar 2-4 is separated, and postive stop baffle 2-2, the limit of postive stop baffle 2-2 disposed inboard are arranged on the upside of cushion cap main body 2-1 left and right end portions
Slot 2-3；
Prestressed bridge panel 3 is by floorings main body 3-1, upper operation platform 3-2, upper connection pillar 3-3, outer trip 3-4, anchorage
Slot 3-5 composition；The upper operation platform 3-2 that the setting of the floorings lower end main body 3-1 matches with lower operation platform 2-5 is adjacent
Two upper operation platform 3-2 are separated by upper connection pillar 3-3；5 prestressed anchors 8 are arranged inside prestressed bridge panel 3；
Two module unit prestressed bridge panels 3, the outer trip 3-4 peace of prestressed bridge panel 3 are arranged in 2 transverse direction of bearing platform
It sets in limiting slot 2-3, outside and limit prestressed bridge panel or so translation of the postive stop baffle 2-2 barrier in outer trip 3-4,
Upper operation platform 3-2 is corresponding with lower operation platform 2-5 position, upper connection pillar 3-3 and lower connection pillar 2-4 position
It corresponds to and arranges shock mount 4 therebetween；Shock mount 4 can be fixed on by expansion bolt and is vertically connected on pillar；
Upper operation platform 3-2, lower operation platform 2-5 and upper connection pillar 3-3, lower connection pillar 2-4 surround a hexagon bridge opening；
3 left and right ends of prestressed bridge panel arrange that prefabricated anticollision barrier 7, fixed anchorage 10 are passed through along 7 medium position of anticollision barrier
7 main body of anticollision barrier and 3 left and right end portions of prestressed bridge panel are worn by it on prestressed bridge panel 3,7 front end cloth of anticollision barrier
Set antidumping holdfast 9.
Pier stud circumferential direction stirrup 1-2 is arranged around pier stud Vertical Reinforcement 1-1 inside the bridge pier 1.The mid-board 2-8
Left and right end portions arrange shock mount 4.The anti-settling substrate 5 is arranged in soil layer, internal arrangement substrate transverse direction arrangement of reinforcement 5-1 and
Substrate Vertical Reinforcement 5-2.
The prestressed anchor 8 is made of rope head 8-1, rope body 8-2, rope hook plate 8-3 three parts；Rope body 8-2 is by more
Stock steel strand wires are made, and rope head 8-1 is located at the both ends of rope body 8-2, and rope hook plate 8-3 is on the inside of rope head 8-1；Prestressed anchor 8
Rope body 8-2 passes through 5 prestressing force cableways of 3 internal reservation of prestressed bridge panel and is locked with rope head 8-1, and rope head 8-1 is fixed on
Inside anchorage slot 3-5.
When construction: postposition lifting support 11 is arranged on bearing platform 2, and 11 lower end of postposition lifting support, which is arranged in down, applies
Inside work platform 2-5,11 upper end of postposition lifting support is arranged in operation platform 3-2, and postposition lifting support 11 can be gone up and down
3 auxiliary construction of prestressed bridge panel, dismountable postposition lifting support 11 after completion；After use: postposition lifting support 11 is arranged in
In hexagon bridge opening, 11 lower end of postposition lifting support is arranged in inside lower operation platform 2-5,11 upper end of postposition lifting support
It is arranged in operation platform 3-2, postposition lifting support 11 can go up and down prestressed bridge panel 3 and replace shock mount 4.
Claims (10)
1. a kind of prefabricated PC floorings and bridge, it is characterised in that: including bridge pier (1), accept and put down
Platform (2), prestressed bridge panel (3), shock mount (4), anti-settling substrate (5), foundation pile (6), anticollision barrier (7), prestressed anchor
Have (8), antidumping holdfast (9), fixed anchorage (10)；Bridge pier (1) bottom is connect with anti-settling substrate (5), anti-settling
The lower part of drop substrate (5) is connect with foundation pile (6), is connect at the top of bridge pier (1) with bearing platform (2), and bearing platform (2) is laterally
Two module unit prestressed bridge panels (3) are arranged on direction, are equipped with and are subtracted between bearing platform (2) and unit prestressed bridge panel (3)
It shakes support (4), prestressed anchor (8) is set inside prestressed bridge panel (3), the left and right ends arrangement of prestressed bridge panel (3)
Prefabricated anticollision barrier (7), the side and prestressed bridge panel of fixed anchorage (10) outside anticollision barrier (7) close floorings
(3) anticollision barrier (7) is fixed on prestressed bridge panel (3) by left or right, and anticollision barrier (7) is inside floorings
Side arrangement antidumping holdfast (9) anticollision barrier (7) is fixed on prestressed bridge panel (3).
2. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: described
The pier stud Vertical Reinforcement (1-1) arranged inside bridge pier (1) extend to anti-settling substrate (5) it is internal and with anti-settling substrate
(5) the internal substrate transverse direction arrangement of reinforcement (5-1) arranged is fixed together；Pier stud Vertical Reinforcement (the 1- arranged inside bridge pier (1)
1) it extends to bearing platform (2) inside and is fixed together with the platform transverse direction arrangement of reinforcement (2-6) arranged inside bearing platform (2).
3. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: described
Bearing platform (2) includes cushion cap main body (2-1), postive stop baffle (2-2), limiting slot (2-3), lower connection pillar (2-4), lower construction
Platform (2-5), platform transverse direction arrangement of reinforcement (2-6), platform longitudinal reinforcement (2-7), mid-board (2-8)；Cushion cap main body (2-1) it is internal according to
Arrangement platform transverse direction arrangement of reinforcement (2-6) and platform longitudinal reinforcement (2-7) are required according to Specification Design, the upper end cushion cap main body (2-1) is left
The right side is arranged symmetrically two groups of platforms being made of several lower operation platform (2-5), and mid-board (2-8) is arranged between two group platforms,
It is arranged between every group of lower operation platform of adjacent two (2-5) lower connection pillar (2-4), in cushion cap main body (2-1) left and right end portions
Postive stop baffle (2-2) is arranged in side, postive stop baffle (2-2) disposed inboard limiting slot (2-3).
4. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: described
Prestressed bridge panel (3) includes floorings main body (3-1), upper operation platform (3-2), upper connection pillar (3-3), outer trip
(3-4), anchorage slot (3-5)；The floorings main body lower end (3-1) setting it is several it is corresponding with the lower operation platform position (2-5) on
Upper connection pillar (3-3), outer trip (3-4) is arranged between adjacent two upper operation platform (3-2) in operation platform (3-2)
Match with limiting slot (2-3), postive stop baffle (2-2) barrier outer trip (3-4) outside and limit prestressed bridge panel
(3) left and right translation, upper connection pillar (3-3) is corresponding with lower connection pillar (2-4) position and arranges damping therebetween
Support (4).
5. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: described
Anti-settling substrate (5) is arranged in soil layer, internal arrangement substrate transverse direction arrangement of reinforcement (5-1) and substrate Vertical Reinforcement (5-2).
6. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: described
Prestressed anchor (8) includes rope head (8-1), rope body (8-2), rope hook plate (8-3)；Rope body (8-2) is made of multiply steel strand wires,
Rope head (8-1) is located at the both ends of rope body (8-2), and rope hook plate (8-3) setting is on the inside of rope head (8-1)；Rope body (8-2) passes through pre-
The prestressing force cableway of stress floorings (3) internal reservation is simultaneously locked with rope head (8-1), and rope head (8-1) is fixed on anchorage slot (3-5)
It is internal.
7. a kind of prefabricated PC floorings according to claim 2 and bridge, it is characterised in that: described
Around pier stud Vertical Reinforcement (1-1) arrangement pier stud circumferential direction stirrup (1-2) inside bridge pier (1).
8. a kind of prefabricated PC floorings according to claim 3 and bridge, it is characterised in that: described
Shock mount (4) are arranged in the mid-board left and right ends (2-8).
9. a kind of prefabricated PC floorings according to claim 4 and bridge, it is characterised in that: described
Upper operation platform (3-2), upper connection pillar (3-3), lower operation platform (2-5) and lower connection pillar (2-4) surround six sides
Shape bridge opening.
10. a kind of prefabricated PC floorings according to claim 1 and bridge, it is characterised in that: institute
State the Vertical Reinforcement arranged inside foundation pile (6) extend to anti-settling substrate (5) it is internal and with arrange inside anti-settling substrate (5)
Substrate transverse direction arrangement of reinforcement (5-1) is fixed together.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715071.2A CN110258286A (en) | 2019-08-05 | 2019-08-05 | A kind of prefabricated PC floorings and bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910715071.2A CN110258286A (en) | 2019-08-05 | 2019-08-05 | A kind of prefabricated PC floorings and bridge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110258286A true CN110258286A (en) | 2019-09-20 |
Family
ID=67912863
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910715071.2A Withdrawn CN110258286A (en) | 2019-08-05 | 2019-08-05 | A kind of prefabricated PC floorings and bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110258286A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236046A (en) * | 2020-02-07 | 2020-06-05 | 郑州市交通规划勘察设计研究院 | Connection structure of steel structure |
-
2019
- 2019-08-05 CN CN201910715071.2A patent/CN110258286A/en not_active Withdrawn
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111236046A (en) * | 2020-02-07 | 2020-06-05 | 郑州市交通规划勘察设计研究院 | Connection structure of steel structure |
| CN111236046B (en) * | 2020-02-07 | 2021-06-11 | 郑州市交通规划勘察设计研究院 | Connection structure of steel structure |
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| Date | Code | Title | Description |
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| PB01 | Publication | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190920 |
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| WW01 | Invention patent application withdrawn after publication |