CN209619950U - A kind of cable-stayed bridge bifurcated bridge pier combination anti-collision structure - Google Patents
A kind of cable-stayed bridge bifurcated bridge pier combination anti-collision structure Download PDFInfo
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- CN209619950U CN209619950U CN201920078085.3U CN201920078085U CN209619950U CN 209619950 U CN209619950 U CN 209619950U CN 201920078085 U CN201920078085 U CN 201920078085U CN 209619950 U CN209619950 U CN 209619950U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/30—Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways
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Abstract
The utility model discloses a kind of cable-stayed bridge bifurcated bridge piers to combine anti-collision structure, including bridge pier and structure sheaf pier, the lower end of the bridge pier is connected by anticollision layer pier with the structure sheaf pier, multiple anticollison blocks are covered in the side of the anticollision layer pier, floating type anticollision deformation mechanism is additionally provided with around the bridge pier outer surface.Its remarkable result is: the influence for different shocks to bridge pier and pier; provided with the double Anticollision Measures with discrimination; avoid the maintenance of large area caused by the small-sized shock such as floating ice and maintenance; effectively protect the binding site of top cable-stayed bridge bridge pier and pier; simplify maintenance process; reduce the consuming of structural material, can effectively promote the safety of bridge pier and pier.
Description
Technical field
The utility model relates to be processed to pier anticollision Structural Engineering and technical field is arranged, specifically, being a kind of oblique
Bridge bifurcated bridge pier is drawn to combine anti-collision structure.
Background technique
Cable-stayed bridge is a kind of bridge being directly pulled in girder with many drag-lines on bridge tower, is tower by pressure-bearing, tension
Rope and hold a kind of structural system that curved beam body combines.It is continuous instead of the multispan elastic bearing of buttress that it is considered as drag-line
Beam.It can be such that moment of flexure in beam body reduces, and reduce building height, alleviate construction weight, save material.The abutment surface of cable-stayed bridge
Face the risk hit by floating ice or ship, it is therefore desirable to carry out anticollision checking computations.
However, finding in practical applications, the reply flexibility that single anti-collision system hits multi-level multiple types is insufficient,
Consuming when causing anti-collision system to be replaced by small-sized shock comprehensively is huge.Meanwhile when pier is hit by ship, due to load
Larger, pier can directly bear part impact load, and cable-stayed bridge bridge pier in top is easy to be damaged with pier binding site at this time,
Difficulty of construction is big for subsequent maintenance, and technical requirements are high.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the utility model is to provide a kind of cable-stayed bridge bifurcated bridge piers to combine anticollision knot
Structure, there are two types of the Anticollision Measures of different scales for structure tool, and the structure sheaf pier and anticollision layer pier that are layered setting are to protect
Top cable-stayed bridge bridge pier and pier binding site are protected, floating ice impact load and ship impact load can be effective against.
In order to achieve the above objectives, the technical solution adopted in the utility model is as follows:
A kind of cable-stayed bridge bifurcated bridge pier combination anti-collision structure, key are: including bridge pier and structure sheaf pier, the bridge
The lower end of pier is connected by anticollision layer pier with the structure sheaf pier, is covered in the side of the anticollision layer pier multiple
Anticollison block is additionally provided with floating type anticollision deformation mechanism around the bridge pier outer surface.
Further, the anticollision deformation mechanism includes interior casing, sunpender, outer case, anti-collision ring, the interior casing along
The bridge pier outer surface circumferentially, is fixed with sunpender at the top of the interior casing, and the top of the sunpender passes through lifting rope
It is connected with the outer case being set on the outside of interior casing, the anti-collision ring is set between the interior casing and outer case,
The both ends of the anti-collision ring pass through connector respectively and are connected to a fixed with the interior casing and outer case.
Small-sized shock kinetic energy absorption structure is formed by the power transmissions component such as outer case and interior casing and anti-collision ring, can effectively be inhaled
The influences of the small-sized shock to bridge pier and pier such as floating ice are received, it is broken to the generation of composite anti-collision block to avoid Conventional compact shock
It is bad.
Further, the interior casing and outer case protrude from the structure sheaf pier in the two sides of water (flow) direction and are arranged.
It is provided projectingly more hit caused by underway ship and protect, and improve interior casing and housing when being impacted
The deformation quantity of case enables anticollision deformation mechanism to absorb more shock kinetic energy, improves anticollision ability.
Further, slide construction is provided between the interior casing and bridge pier.
Further, the slide construction includes the antifriction rubbing frame being fixed on the interior casing and covers in antifriction
Friction-reducing layer on frame, the friction-reducing layer are composed of muti-piece antifriction plate.
Slide construction by above-mentioned design had both reduced the frictional force between anticollision deformation mechanism and bridge pier, convenient anti-
It hits deformation mechanism to float up and down with water surface elevation, provides good protection to bridge pier;It again can be convenient right after being used for a long time
The antifriction wiping board of abrasion is replaced in time, simplifies later maintenance servicing operations.
Further, manhole cover is additionally provided in the upper surface of the interior casing.To facilitate after floating ice or ship are hit,
Internal casing is overhauled.
Further, at least two layers anti-collision ring, and phase in every layer are provided between the interior casing and outer case
The center line of adjacent two anti-collision rings is perpendicular.Anti-collision ring by above-mentioned design can preferably absorb shock kinetic energy, to reduce
Hit the influence to bridge pier and pier.
Further, the planar dimension of the structure sheaf pier is greater than the planar dimension of the anticollision layer pier.The design
So that structure sheaf pier is first subject to large-scale impact load, then shock dynamics is mitigated by composite anti-collision block, finally by anticollision
Layer pier absorbs the impact strength that ship is hit, and protects the binding site of top cable-stayed bridge bridge pier and pier.
The remarkable result of the utility model is:
1, construction is simple, easy to maintenance, the influence for different shocks to bridge pier and pier, provided with discrimination
Double Anticollision Measures avoid the maintenance of large area caused by the small-sized shock such as floating ice and maintenance;
2, by setting structure layer pier and anticollision layer pier, the knot of top cable-stayed bridge bridge pier and pier is effectively protected
Position is closed, so that structure sheaf pier can be first subject to large-scale impact load, then shock dynamics is mitigated by composite anti-collision block, most
The impact strength that ship is hit is absorbed by anticollision layer pier afterwards, the binding site of top cable-stayed bridge bridge pier and pier is protected, subtracts
It is small hit after cable-stayed bridge bridge pier and pier maintenance difficulty;
3, small-sized shock dynamic energy absorber is formed by outer case and interior casing and power transmission component, it is small-sized absorbs floating ice etc.
The influence to bridge pier and pier is hit, avoids Conventional compact from hitting and destruction is generated to composite anti-collision block;
4, manhole cover is arranged by set upper box part inside, can quickly replaces anticollision component, simplifies and maintained
Journey reduces the consuming of structural material, can effectively promote the safety of bridge pier and pier.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model;
Fig. 2 is the diagrammatic cross-section of the utility model;
Fig. 3 is the partial enlargement diagram of A in Fig. 2.
Specific embodiment
Specific embodiment of the present utility model and working principle are described in further detail with reference to the accompanying drawing.
As shown in FIG. 1 to 3, a kind of cable-stayed bridge bifurcated bridge pier combines anti-collision structure, including bridge pier 1 and structure sheaf pier 2,
The lower end of the bridge pier 1 is connected by anticollision layer pier 3 with the structure sheaf pier 2, in the lower section of the structure sheaf pier 2
Pile foundation 4 is connected, the planar dimension of the structure sheaf pier 2 is greater than the planar dimension of the anticollision layer pier 3, so that structure sheaf
Pier 2 can be first subject to large-scale impact load, be covered in the side of the anticollision layer pier 3 multiple by environment-friendly type composite wood
Anticollison block 5 made of expecting, the construction of anticollison block 5 and easy to maintenance can effectively reduce the shock impulse force of ship, in the bridge pier
Floating type anticollision deformation mechanism is additionally provided with around 1 outer surface, and the planar dimension of the anticollision deformation mechanism is less than described
Anticollision layer pier 3 and the structure sheaf pier 2.
Specifically, the anticollision deformation mechanism includes interior casing 6, sunpender 7, outer case 9, anti-collision ring 10, the interior casing 6
Circumferentially along 1 outer surface of bridge pier, sunpender 7, the top of the sunpender 7 are fixed at the top of the interior casing 6
It is connected by lifting rope with the outer case 9 for being set to interior 6 outside of casing, and the interior casing 6 and outer case 9 are in water flow side
To two sides protrude from the structure sheaf pier 2 and be arranged, the anti-collision ring 10 is set between the interior casing 6 and outer case 9,
The both ends of the anti-collision ring 10 pass through connector 11 respectively and are connected to a fixed with the interior casing 6 and outer case 9.
In this example, for convenience of quickly internally casing 6 is overhauled, anticollision component is replaced, in the upper table of the interior casing 6
Face is additionally provided with manhole cover 12.
As a kind of preferred embodiment, two layers of anti-collision ring 10 is provided between the interior casing 6 and outer case 9,
And in every layer two neighboring anti-collision ring 10 center line it is perpendicular.
In this example, in order to reduce the coefficient of friction between anticollision deformation mechanism and bridge pier 1, anticollision deformation mechanism is improved to water
The sensitivity of face height change is provided with sliding between the interior casing 6 and bridge pier 1 to carry out good protection to bridge pier 1
Structure, the slide construction include the antifriction rubbing frame 13 being fixed on the interior casing 6 and cover on antifriction rubbing frame 13
Friction-reducing layer 14, the friction-reducing layer 14 are composed of muti-piece antifriction plate.
This programme is for different influences of the shock to bridge pier 1 and pier, provided with the double Anticollision Measures with discrimination,
That is anticollision layer pier 3 and anticollision distressed structure avoid the maintenance of large area caused by the small-sized shock such as floating ice and maintenance, meanwhile,
By the structure sheaf pier 2 and anticollision layer pier 3 of setting, the engaging portion of top cable-stayed bridge bridge pier 1 Yu pier is effectively protected
Position, and by the way that manhole cover is arranged on interior 6 top of casing, anticollision component can be quickly replaced, maintenance process is simplified, subtracts
Lack the consuming of structural material, can effectively promote the safety of bridge pier 1 and pier.
Claims (8)
1. a kind of cable-stayed bridge bifurcated bridge pier combines anti-collision structure, including bridge pier and structure sheaf pier, it is characterised in that: the bridge pier
Lower end be connected by anticollision layer pier with the structure sheaf pier, be covered in the side of the anticollision layer pier multiple anti-
Collision block is additionally provided with floating type anticollision deformation mechanism around the bridge pier outer surface.
2. cable-stayed bridge bifurcated bridge pier according to claim 1 combines anti-collision structure, it is characterised in that: the anticollision texturing machine
Structure includes interior casing, sunpender, outer case, anti-collision ring, the interior casing along the bridge pier outer surface circumferentially, described
It is fixed with sunpender at the top of interior casing, the top of the sunpender passes through lifting rope and the outer case phase that is set on the outside of interior casing
Connection, is arranged the anti-collision ring, the both ends of the anti-collision ring pass through connector and institute respectively between the interior casing and outer case
It states interior casing and outer case is connected to a fixed.
3. cable-stayed bridge bifurcated bridge pier according to claim 2 combines anti-collision structure, it is characterised in that: the interior casing and outer
Casing protrudes from the structure sheaf pier setting in the two sides of water (flow) direction.
4. cable-stayed bridge bifurcated bridge pier according to claim 2 combines anti-collision structure, it is characterised in that: the interior casing with
Slide construction is provided between bridge pier.
5. cable-stayed bridge bifurcated bridge pier according to claim 4 combines anti-collision structure, it is characterised in that: the slide construction packet
It includes the antifriction rubbing frame being fixed on the interior casing and covers in the friction-reducing layer on antifriction rubbing frame, the friction-reducing layer is by muti-piece
Antifriction plate is composed.
6. cable-stayed bridge bifurcated bridge pier according to claim 2 combines anti-collision structure, it is characterised in that: in the interior casing
Upper surface is additionally provided with manhole cover.
7. cable-stayed bridge bifurcated bridge pier according to claim 2 combines anti-collision structure, it is characterised in that: the interior casing with
At least two layers anti-collision ring is provided between outer case, and in every layer two neighboring anti-collision ring center line it is perpendicular.
8. described in any item cable-stayed bridge bifurcated bridge piers combine anti-collision structure according to claim 1~7, it is characterised in that: described
The planar dimension of structure sheaf pier is greater than the planar dimension of the anticollision layer pier.
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CN201920078085.3U CN209619950U (en) | 2019-01-17 | 2019-01-17 | A kind of cable-stayed bridge bifurcated bridge pier combination anti-collision structure |
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CN201920078085.3U CN209619950U (en) | 2019-01-17 | 2019-01-17 | A kind of cable-stayed bridge bifurcated bridge pier combination anti-collision structure |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN113737731A (en) * | 2021-10-08 | 2021-12-03 | 广州北环智能交通科技有限公司 | Pier steel jacket case anticollision structure |
WO2022135194A1 (en) * | 2020-12-25 | 2022-06-30 | 宁波大学 | Ship collision prevention device for above-water structure |
-
2019
- 2019-01-17 CN CN201920078085.3U patent/CN209619950U/en active Active
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2022135194A1 (en) * | 2020-12-25 | 2022-06-30 | 宁波大学 | Ship collision prevention device for above-water structure |
CN113737731A (en) * | 2021-10-08 | 2021-12-03 | 广州北环智能交通科技有限公司 | Pier steel jacket case anticollision structure |
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Address after: 400000 No. 31, man street, Yuzhong District, Chongqing Patentee after: Chongqing Design Institute Co., Ltd Address before: 400000 No. 31, man street, Yuzhong District, Chongqing Patentee before: CHONGQING ARCHITECTURAL DESIGN INSTITUTE OF CHINA |