CN109989340B - Ship collision preventing device with built-in frame structure - Google Patents
Ship collision preventing device with built-in frame structure Download PDFInfo
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- CN109989340B CN109989340B CN201910370756.8A CN201910370756A CN109989340B CN 109989340 B CN109989340 B CN 109989340B CN 201910370756 A CN201910370756 A CN 201910370756A CN 109989340 B CN109989340 B CN 109989340B
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- box body
- frame structure
- built
- preventing device
- collision preventing
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- 238000007599 discharging Methods 0.000 claims abstract description 12
- 239000000725 suspension Substances 0.000 claims abstract description 8
- 239000000945 filler Substances 0.000 claims description 10
- 210000001503 joint Anatomy 0.000 claims description 10
- 239000011374 ultra-high-performance concrete Substances 0.000 claims description 6
- 229910000838 Al alloy Inorganic materials 0.000 claims description 4
- 239000000956 alloy Substances 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 238000007789 sealing Methods 0.000 claims description 2
- 238000005265 energy consumption Methods 0.000 description 13
- 230000000694 effects Effects 0.000 description 8
- 229910000831 Steel Inorganic materials 0.000 description 6
- 239000010959 steel Substances 0.000 description 6
- 238000005452 bending Methods 0.000 description 4
- 239000004567 concrete Substances 0.000 description 3
- 239000012530 fluid Substances 0.000 description 3
- 230000002265 prevention Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000002787 reinforcement Effects 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
Classifications
-
- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B3/00—Engineering works in connection with control or use of streams, rivers, coasts, or other marine sites; Sealings or joints for engineering works in general
- E02B3/20—Equipment for shipping on coasts, in harbours or on other fixed marine structures, e.g. bollards
- E02B3/26—Fenders
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Ocean & Marine Engineering (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Architecture (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The ship collision preventing device with built-in frame structure includes one hollow box set around the bridge pier and connected to the bridge pier to Zhou Gewei; a frame structure supported in the case and connected to the inner wall of the case; the connecting surfaces of the adjacent box bodies are connected through a plurality of groups of suspension beams which are vertically distributed to form a tongue-and-groove, and adjacent suspension beams in each group of suspension beams are vertically provided with interval-formed wave discharging holes.
Description
Technical Field
The invention relates to a ship collision preventing device for a bridge, in particular to a ship collision preventing device with a built-in frame structure.
Background
Waterway transportation is an important transportation channel, and the rapid development of national economy is greatly promoted. However, for vessels transported on water, bridge structures are artificial obstacles on the passage, and there is objectively a risk of vessel impact during the entire life cycle of the structure. Once the ship collides with the bridge, the bridge structure can bear huge impact load, and the serious damage and even collapse of the structure can be caused, so that the life and property safety of people are seriously endangered, and the social influence is huge.
The steel structure ship collision preventing device has obvious advantages in the aspects of collision preventing range, ship damage degree reduction, economy and the like, so that the steel structure ship collision preventing device is widely applied at home and abroad. However, steel is easy to corrode, the maintenance cost of the steel structure ship collision prevention device is high in the service life of the bridge structure, and the development of a novel ship collision prevention device which has the advantages of the steel structure ship collision prevention device and good durability is urgent.
Disclosure of Invention
The invention solves the defects that the safety of the ship and the bridge pier is difficult to ensure and the anti-collision device is easy to corrode when the ship and the bridge pier are in rigid collision, and provides the ship collision preventing device with the built-in frame structure, which reduces the collision force of the ship, ensures the safety of the ship and the bridge pier when the ship and the bridge pier are in rigid collision and has strong corrosion resistance.
The aim of the invention is achieved by adopting the following technical scheme:
the ship collision preventing device with built-in frame structure includes one hollow box set around the bridge pier and connected to the bridge pier to Zhou Gewei; a frame structure supported in the case and connected to the inner wall of the case; the connecting surfaces of the adjacent box bodies are connected through a plurality of groups of vertically arranged cantilever beam groups to form rabbets, and the adjacent cantilever beams in each group of cantilever beam groups are vertically provided with wave discharging holes at intervals.
Further, the box includes the face of receiving outside of mutual sealing connection, towards the back of pier, two relative junction surfaces and top surface and bottom surface, frame construction includes the multilayer truss of laying along the box internal direction of height and with multilayer truss connection, support the many posts between box top surface and bottom surface, every layer the truss is including supporting crossbeam, the oblique chord head and the tail connection between opposite junction surfaces and form the zigzag support frame and lay perpendicularly with the crossbeam, adjacent crossbeam, crossbeam and box back connection's axle brace, the one end and the box of support frame receive the face of receiving the impact to be connected, and the other end is connected with the crossbeam. The inclined chords are connected end to end in the plane, so that the effect of diffusing ship collision force is achieved, and the collision force distributed by the single chords is reduced.
Furthermore, the joints of the shaft support and the beam are coincident with the joints of the beam and the column, and the joints of the support frame and the beam are not coincident with the joints of the beam and the shaft support, so that the diagonal chord members are staggered with the joints of the shaft support on the beam, the situation of energy consumption by simply utilizing the buckling of the rod members is improved, the bending damage effect of the beam is effectively exerted, and the energy consumption efficiency of the frame is improved.
Further, the truss is connected with the inner wall of the box body through an annular filler strip, and the annular filler strip is embedded into a groove reserved on the inner wall of the box body and is connected with the box body. The annular filler strip is embedded into the box body to mainly play a role in diffusing impact force and reducing local node damage.
Further, the columns are connected with the box body through square base plates, the square base plates are connected with the box body through pre-buried anti-pulling shear connectors, the instability and the damage of the top and bottom plates of the box body and the truss can be prevented, and the energy consumption effect of the frame structure can be fully exerted.
Furthermore, the cross section size of the diagonal member and the shaft support is smaller than that of the cross beam and the shaft support, so that the gradient energy consumption of the frame structure is guaranteed, namely the crushing energy consumption of the diagonal member and the shaft support is guaranteed in advance, and the bending energy consumption of the net structure formed by the cross beam and the shaft support is further guaranteed, so that the foreshortening depth of the ship is reduced to the greatest extent.
Furthermore, the box body is made of ultra-high performance concrete materials, and the diagonal members, the cross beams, the shaft supports, the columns and the backing plates are all made of aluminum alloy materials. The box body adopts ultra-high performance concrete, has low porosity and good durability, and has almost steel tensile strength and ideal shock resistance in a high reinforcement state. Through the aluminum alloy material and ultra-high performance concrete combined structure, the whole box body is excellent in toughness and corrosion resistance, and has great potential of flexible energy consumption.
Further, the outer sides of the connecting surfaces of the box bodies are distributed with multiple layers of cantilever beams along the height direction to form a group of cantilever beam groups, and the cantilever beams on the adjacent box bodies relative to the connecting surfaces are distributed in a staggered manner, so that the adjacent box bodies form tongue-and-groove butt joint.
Further, adjacent suspension beams in each suspension beam group are provided with spacing in the height direction to form wave discharging holes. The wave discharging holes can weaken the fluid impact force born by the device to a certain extent, and meanwhile, the contact area of the side walls of the box bodies is reduced, so that the transfer of the impact energy between the box bodies is greatly weakened, and the effect of blocking the expansion of the damaged area is achieved.
Furthermore, the cantilever beams are provided with connecting holes, the corresponding cantilever beams are connected with each other through wedges arranged in the connecting holes, the wedges are also made of the re-reinforced ultra-high performance concrete, and enough anti-impact cutting capacity is provided while durability is ensured.
In summary, the frame structure energy consumption mode improves the situation of simply utilizing the rod members to bend and consume energy, effectively plays the role of bending and damaging the cross beam, and improves the frame energy consumption efficiency; the tongue-and-groove connection with the wave discharging holes can weaken the fluid impact force born by the device to a certain extent, and simultaneously, the contact area of the side walls of the boxes is reduced, so that the transmission of the impact energy between the boxes is greatly weakened, and the expansion of a damaged area is blocked.
Drawings
Fig. 1 is a schematic view of the internal structure of the case of the present invention.
Fig. 2 is a schematic side view of the case of the present invention.
FIG. 3 is a schematic view of the tongue-and-groove structure of the case of the present invention.
Fig. 4 is a top view of the entire present invention.
In the figure: 1. a case; 2. a cantilever beam; 3. a wedge preformed hole; 4. an inclined chord; 5. a cross beam; 6. a shaft support; 7. a column; 8. an annular filler strip; 9. square backing plate; 10. a wave discharging hole; 11. a wedge; 12. a slide plate; 13. and (3) pier.
Detailed Description
A specific embodiment of a ship collision preventing device with a built-in frame structure will be described in detail with reference to the accompanying drawings and specific examples.
As shown in fig. 1 to 4, the ship collision preventing device with built-in frame structure of the present invention mainly comprises three parts, namely a hollow box body, a built-in frame structure and a tongue-and-groove connection with a wave discharging hole.
The hollow box body is arranged at the periphery of the bridge pier, adjacent box bodies are connected through a rabbet with a wave discharging hole, and a plurality of box bodies enclose a circle to form a ship collision preventing device; the hollow box body is internally provided with a frame structure with staggered nodes, and the frame rod pieces are connected with the box body through cushion bars or cushion plates; when the bow is impacted on the ship collision preventing device, the frame structure which is distributed by the nodes in the box body in a staggered way deforms and consumes energy, so that the impact force born by the bridge pier is reduced, and the broken area is blocked to extend to the side box body through the tongue-and-groove connection of the side wall of the box body with the wave discharging hole.
The built-in frame structure of the hollow box body 1 comprises an inclined chord 4, a cross beam 5, an axle support 6 and a post 7; the diagonal member 4, the cross beam 5 and the shaft support 6 form a truss in a plane, and the truss is connected with the hollow box body 1 through an annular filler strip 8. The annular filler strip 8 is connected with the box body through a reserved groove embedded in the concrete wall, and mainly plays a role in diffusing impact force and reducing local node damage.
The trusses are evenly distributed in the hollow box body 1 along the height, and a plurality of posts 7 are arranged between each two trusses according to the characteristic arc line of impact stress, so that the stability of the trusses and the concrete slab is improved. The column 7 is connected with the hollow box body 1 through a square backing plate 9. The square backing plate 9 is connected with the box body through a pull-out resistant shear connector pre-embedded in the concrete top plate, so that the instability and damage of the top and bottom plates of the box body and the truss can be prevented, and the energy consumption effect of the frame structure can be fully exerted.
The inclined chord members 4 are connected end to end in the truss plane, so that the effect of diffusing ship collision force is achieved, the collision force distributed by a single chord member is reduced, and the inclined chord members 1 and the joints of the shaft supports 6 on the cross beams 5 are staggered, so that the situation of energy consumption by simply utilizing rod buckling is improved, the effect of bending and damaging the cross beams 5 is effectively exerted, and the energy consumption efficiency of the frame is improved.
The cross section sizes of the diagonal member 4, the cross beam 5, the shaft support 6 and the post 7 are different, and in order to achieve optimal energy consumption collocation, the cross section sizes of the diagonal member 4 and the shaft support 6 are far smaller than those of the cross beam 5 and the post 7.
The side walls of the hollow box body 1 are provided with a plurality of layers of cantilever beams 2 along the height, the cantilever beams 2 form a group of cantilever beams according to the row, and the height positions of the cantilever beam groups of the side walls of two adjacent box bodies are staggered to form tongue-and-groove butt joint. The height direction of each group of cantilever beams is kept with enough distance to form a wave discharging hole 10, so that the fluid impact force born by the device can be weakened to a certain extent, and meanwhile, the contact area of the side walls of the box bodies is reduced, the transmission of impact energy between the box bodies is greatly weakened, and the effect of blocking the expansion of a damaged area is achieved. Each group of cantilever beams 2 which are in grooved and tongued butt joint is provided with a row of wedge reserved holes 3 which are equidistant along the thickness direction of the device, and each hollow box body 1 is connected through a rivet-in wedge 11.
The box body 1, the cantilever beam 2 and the wedge 11 are all made of ultra-high performance concrete materials with weight-gaining ribs, so that the durability is ensured and the enough anti-cutting capability is provided. The diagonal member 4, the cross beam 5, the shaft support 6, the pillar 7, the filler strip 8 and the filler 9 are all made of aluminum alloy.
The device is arranged at the periphery of the bridge pier, the sliding plate 13 is arranged at the inner side of the box body which surrounds a circle, and the sliding plate 13 is fixed on the box body, so that the device can freely float up and down along the axis direction of the bridge pier 13 along with the water level.
The foregoing is a preferred embodiment of the invention, but it will be understood by those skilled in the art that various changes in form and details may be made therein without departing from the spirit and scope of the invention as defined by the appended claims.
Claims (6)
1. The utility model provides a built-in frame structure's anti-ship hits device which characterized in that: the device comprises a hollow box body (1) which is arranged on the periphery of a bridge pier (13) and is connected with each other to enable the bridge pier (13) to be Zhou Gewei outside; a frame structure supported in the box body (1) and connected with the inner wall of the box body (1); the connecting surfaces of the adjacent box bodies (1) are connected through a plurality of groups of suspension beam groups which are vertically distributed to form a rabbet, the adjacent suspension beams (2) in each group of suspension beam groups are vertically provided with wave discharging holes (10) at intervals,
the box body (1) comprises an impact surface facing the outer side, a back surface facing the bridge pier (13), two opposite connecting surfaces, a top surface and a bottom surface which are in sealing connection with each other, the frame structure comprises a multi-layer truss which is arranged along the height direction in the box body (1) and a plurality of columns (7) which are connected with the multi-layer truss and are supported between the top surface and the bottom surface of the box body (1), each layer of truss comprises a cross beam (5) which is supported between the opposite connecting surfaces, an oblique chord (4) is connected end to form a zigzag support frame, and a shaft support (6) which is vertically arranged with the cross beam (5) and is connected with the back surface of the box body (1), one end of the support frame is connected with the impact surface of the box body (1), and the other end of the support frame is connected with the cross beam (5);
the outer side of the connecting surface of the box body (1) is provided with a plurality of layers of cantilever beams (2) along the height direction to form a group of cantilever beam groups, and the positions of the cantilever beams (2) on the adjacent box bodies (1) relative to the connecting surface are staggered, so that the adjacent box bodies (1) form tongue-and-groove butt joint, each group of cantilever beam groups is provided with a spacing to form a wave discharging hole (10) in the height direction, the cantilever beams (2) are provided with connecting holes, and the corresponding cantilever beams (2) are connected with each other through wedges (11) arranged in the connecting holes.
2. The built-in frame structure marine collision preventing device according to claim 1, wherein: the node that axle support (6) and crossbeam (5) are connected and the node coincidence of crossbeam (5) and post (7), the node that support frame and crossbeam (5) are connected and the node that crossbeam (5) and axle support (6) are connected do not coincide.
3. The built-in frame structure marine collision preventing device according to claim 1, wherein: the truss is connected with the inner wall of the box body (1) through an annular filler strip (8), and the annular filler strip (8) is embedded into a groove reserved on the inner wall of the box body (1) and is connected with the box body (1).
4. The built-in frame structure marine collision preventing device according to claim 1, wherein: the column (7) is connected with the box body (1) through a square base plate (9), and the square base plate (9) is fixed on the box body (1) through a pulling-resistant shear connector.
5. The built-in frame structure marine collision preventing device according to claim 1, wherein: the cross section size of the diagonal member (4) and the shaft support (6) is smaller than the cross section size of the cross beam (5) and the pillar (7).
6. The built-in frame structure marine collision preventing device according to claim 4, wherein: the box body (1) is made of ultra-high performance concrete materials, and the diagonal member (4), the cross beam (5), the shaft support (6), the column (7) and the backing plate are all made of aluminum alloy materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370756.8A CN109989340B (en) | 2019-05-06 | 2019-05-06 | Ship collision preventing device with built-in frame structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910370756.8A CN109989340B (en) | 2019-05-06 | 2019-05-06 | Ship collision preventing device with built-in frame structure |
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| Publication Number | Publication Date |
|---|---|
| CN109989340A CN109989340A (en) | 2019-07-09 |
| CN109989340B true CN109989340B (en) | 2024-02-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910370756.8A Active CN109989340B (en) | 2019-05-06 | 2019-05-06 | Ship collision preventing device with built-in frame structure |
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Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113846606B (en) * | 2021-11-02 | 2023-06-02 | 湖南明湘科技发展有限公司 | Assembled anti-collision facility for water area bridge pier |
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| CN202099784U (en) * | 2011-04-29 | 2012-01-04 | 招商局重庆交通科研设计院有限公司 | Truss structure energy-absorbing type anti-ship-collision device for bridge |
| CN103981840A (en) * | 2014-05-06 | 2014-08-13 | 中铁二十四局集团安徽工程有限公司 | Four-leg thin-wall pier facility against ship collision and construction method thereof |
| CN203924001U (en) * | 2014-05-21 | 2014-11-05 | 湖南大学 | The anti-ship collision device of steel-concrete combined bridge and anti-ship hit bridge |
| CN105696457A (en) * | 2016-02-26 | 2016-06-22 | 东南大学 | Pier energy consumption and anti-crushing structure with replaceable composite board built-in energy consumption steel boards |
| CN208219562U (en) * | 2018-03-08 | 2018-12-11 | 魏紫娟 | A kind of floating type anti-ship collision device |
| CN109356096A (en) * | 2018-12-06 | 2019-02-19 | 中南大学 | The floated anti-ship of one kind hits multilayer energy-consuming device |
| CN209873555U (en) * | 2019-05-06 | 2019-12-31 | 卫军 | Ship collision prevention device with built-in frame structure |
-
2019
- 2019-05-06 CN CN201910370756.8A patent/CN109989340B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20100006225A (en) * | 2008-07-09 | 2010-01-19 | 윤병원 | Apparatus absorbing of shock between bridge and vessel |
| CN101538828A (en) * | 2009-04-21 | 2009-09-23 | 南京工业大学 | Floating type composite material pier energy dissipation and collision prevention combined device |
| CN101974891A (en) * | 2010-09-30 | 2011-02-16 | 张锡祥 | Self-positioning, weak-contact and high-energy dissipation FRP pier anti-collision pontoon |
| CN202099784U (en) * | 2011-04-29 | 2012-01-04 | 招商局重庆交通科研设计院有限公司 | Truss structure energy-absorbing type anti-ship-collision device for bridge |
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| CN203924001U (en) * | 2014-05-21 | 2014-11-05 | 湖南大学 | The anti-ship collision device of steel-concrete combined bridge and anti-ship hit bridge |
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| CN209873555U (en) * | 2019-05-06 | 2019-12-31 | 卫军 | Ship collision prevention device with built-in frame structure |
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| CN109989340A (en) | 2019-07-09 |
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