CN214883280U - Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device - Google Patents
Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device Download PDFInfo
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- CN214883280U CN214883280U CN202120873684.1U CN202120873684U CN214883280U CN 214883280 U CN214883280 U CN 214883280U CN 202120873684 U CN202120873684 U CN 202120873684U CN 214883280 U CN214883280 U CN 214883280U
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Abstract
The utility model discloses a be applied to passive ship of preventing of bridge structures and hit festival section and prevent that the ship hits buffer, including crashproof box, crashproof box is for enclosing the closed cavity structure who establishes and form by steel-UHPC combination panel, and steel-UHPC combination panel includes the steel deck and the UHPC layer of mutual rigid coupling, and the UHPC layer sets up in the outside of crashproof box, is provided with the energy dissipation steel pipe that is used for offsetting hull impact in the crashproof box. The energy dissipation steel pipe adopted in the anti-ship collision buffer device can greatly improve the energy dissipation effect of the structure, thereby effectively enhancing the anti-collision capacity of the bridge structure; the contact part between the UHPC and the outside water and the air is covered by the UHPC, and the UHPC has excellent durability, so that the working performance of the ship collision preventing device in the whole life cycle can be ensured, and the cost is reduced. The good durability of UHPC makes it suitable for use in various water environments. The hollow hole penetrating through the energy dissipation steel pipe enables the proposed ship collision prevention device to have good wave absorption and buoyancy reduction effects.
Description
Technical Field
The utility model relates to a mainly relate to bridge auxiliary assembly technical field, refer in particular to a passive ship of preventing that is applied to bridge structures hits the festival section and prevents that the ship from hitting buffer.
Background
In recent years, severe accidents caused by bridge and ship collision at home and abroad frequently occur, and a large amount of casualties, bridge collapse, economic loss and negative social influence are caused. When a bridge pier or a bearing platform is collided by a ship, the upper structure of the bridge can be collapsed due to the damage or the overlarge displacement of the lower structure of the bridge, so that serious results are caused. Therefore, when the bridge in the navigation water area is designed, the problem of ship collision is particularly prominent, and a protection device is needed to be designed to reduce the possibility of damage of the bridge under the ship collision.
At present, various anti-collision devices for bridge structures (such as piers and abutment platforms) are available, such as independent anti-collision piers, steel structure fenders, FRP anti-collision buoyancy tanks and the like. Independent crashproof mound easily damages and can cause great damage to the ship because of the striking. The steel plate deformation energy consumption is adopted for the steel structure fender, but the steel structure fender has the characteristic of poor corrosion resistance, and particularly in complex water area environments such as oceans and the like, the service life of a coating on the surface of the steel structure fender is short, so that the steel structure fender is easy to corrode, and the operation cost is high. The flexible anti-collision buoyancy tank of FRP also has more obvious defect, except that the construction is complicated, in complicated waters environment such as ocean, the anti-collision buoyancy tank of FRP easily takes place to damage under the constantly scouring action of wave and destroys, influences the durability and the crashproof performance of anti-collision buoyancy tank. Therefore, the existing anti-ship collision device has obvious disadvantages in a complex water area environment, and an anti-collision device which not only has excellent anti-collision performance, but also has enough durability in a complex environment such as the ocean and the like, is low in later maintenance cost and has a wave-absorbing function should be developed according to actual conditions.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a be applied to passive preventing ship of bridge structures and hit the festival section and prevent that the ship hits buffer, the device have simple to operate, consume energy can the reinforce, the durability is good and characteristics such as safe economy, the hollow hole that sets up on the device can play certain ripples effect that disappears, can regard as the buffer stop of all kinds of bridges and can be applicable to various waters environment, especially has obvious advantage in marine environment to solve above-mentioned problem.
In order to realize the above-mentioned purpose, the utility model discloses an at first prevent ship and hit festival section passively for bridge structures, including the anticollision box, the anticollision box is for enclosing the closed cavity structure who establishes and form by steel-UHPC combination panel, steel-UHPC combination panel includes the steel deck and the UHPC layer of mutual rigid coupling, the UHPC layer sets up the outside of anticollision box, be provided with the energy dissipation steel pipe that is used for offsetting hull impact in the anticollision box.
Furthermore, the axis of the energy dissipation steel pipe is arranged in the direction vertical to the impact direction of the ship body.
Furthermore, a force transmission steel plate for transmitting the impact force of the ship body to the energy dissipation steel pipe is arranged in the anti-collision box body, and the energy dissipation steel pipe penetrates through the force transmission steel plate.
Furthermore, the two ends of the energy dissipation steel pipe penetrate through the anti-collision box body to form a penetrating hollow hole in the anti-collision box body, and the inner side wall of the hollow hole is covered with a UHPC surface layer.
Further, the steel plate layer and the UHPC layer are connected through a shear connector, and bidirectional steel bars are arranged in the UHPC layer.
Further, the anti-collision box body comprises an outer layer steel-UHPC combined panel which collides with the ship body, and a rubber fender is fixedly connected to the surface of the outer layer steel-UHPC combined panel.
Furthermore, the anti-collision box body is provided with a connecting piece for connecting a bearing platform or a bridge pier of the bridge.
Furthermore, light energy-consuming fillers are filled in the anti-collision box body.
Then, the utility model discloses a be applied to bridge structures prevent that ship hits buffer, including a plurality of as above arbitrary scheme prevent that the ship hits the festival section passively, it is a plurality of the end-to-end connection of anticollision box forms a whole and encircles cushion cap or the pier setting of bridge, or a plurality of anticollision box interval is laid in around cushion cap or pier.
Furthermore, the anti-collision box body is fixedly installed with the bearing platform or the bridge pier through a connecting piece.
Compared with the prior art, the utility model has the advantages of:
(1) the utility model discloses a prevent that the ship hits the inside energy dissipation steel pipe that adopts of buffer can greatly improve the power consumption effect of structure to effectively strengthen bridge structures's anti striking ability. Meanwhile, the contact part of the ship collision prevention buffer device and external water and air is covered by UHPC, and due to the fact that the UHPC has excellent durability, the working performance of the ship collision prevention device in the whole life cycle can be guaranteed, and the cost is reduced. The UHPC has good durability, so that the UHPC can be suitable for various water area environments, and compared with the traditional ship collision prevention device which adopts secondary coating because the surface coating is easy to corrode and fall off, the UHPC can ensure the functional requirement of the ship collision prevention device in the service life cycle by adopting one-time construction, and the cost is reduced.
(2) The utility model discloses a cover and adopt the opening to handle on having UHPC's circular energy dissipation steel pipe's the upper and lower surface. The steel pipe can play a good energy consumption role through deformation; compared with the traditional ship collision prevention device, the provided ship collision prevention device has good wave absorption and buoyancy reduction effects due to the fact that the upper opening and the lower opening form the hollow holes; meanwhile, when the ship is impacted, the steel pipe has certain water damping effect due to the existence of water in the steel pipe.
(3) The utility model discloses the outer steel-UHPC combination panel that adopts has advantages such as intensity height, superior and safe economy of shock resistance, can greatly promote the biography power effect of panel, avoids passing the power panel and takes place to destroy at the collision initial stage, can make more power consumption components participate in the power consumption. Further, due to the excellent characteristics of the UHPC adopted by the outer layer of the panel, the panel has excellent corrosion resistance and scouring resistance.
(4) Prevent that ship hits device link to each other through hanging leg and anchor pin and pier or the built-in fitting on the cushion cap, make prevent that ship hits device and pier or cushion cap closely laminate fixed connection.
(5) Prevent that ship hits device, divide the segmental prefabrication, fortune to assigned position and pier or cushion cap through simply being connected can. The ship collision prevention device is fixedly connected to the bridge pier or the bearing platform, the sections of the device do not need to be connected, the sections can be arranged at a certain distance, and construction is simple and convenient.
(6) Prevent that ship from hitting device's top, end steel-UHPC combined panel and the horizontal steel sheet of middle setting can effectively connect interior outer steel-UHPC combined panel and the circular steel tube of energy dissipation to can effectively transmit the impact.
To sum up, the utility model discloses in be applied to fixed passive ship of preventing of bridge construction anticollision and hit buffer has construction convenience, power consumption can the reinforce, pass that the power route is clear and definite, the durability is good and advantages such as safe economy, can regard as the ship of preventing of all kinds of bridge construction to hit the device and be applicable to various waters environment, especially in sand content or floater are more and marine environment, owing to prevent that the ship from hitting the device and covering the UHPC layer outward, make the utility model discloses prevent that the ship hits the device and have fabulous application effect.
The present invention will be described in further detail below with reference to the accompanying drawings.
Drawings
The accompanying drawings, which are incorporated in and constitute a part of this application, are included to provide a further understanding of the invention, and are incorporated in and constitute a part of this specification. In the drawings:
fig. 1 is a structural horizontal cross-sectional view of a ship collision prevention buffer device applied to a bridge structure in the first embodiment of the present invention;
fig. 2 is a structural external plan view of a ship collision prevention buffer device applied to a bridge structure in the first embodiment of the present invention;
fig. 3 is a schematic structural view of a ship collision prevention buffer device applied to a bridge structure in a first embodiment of the present invention (the left side is a vertical cross-sectional view of the inside of the structure, and the right side is a schematic view of a connecting surface);
fig. 4 is a structural horizontal cross-sectional view of the ship collision prevention buffer device applied to the bridge structure in the second embodiment of the present invention;
fig. 5 is a structural external plan view of a ship collision prevention buffer device applied to a bridge structure in the second embodiment of the present invention;
fig. 6 is a schematic structural diagram of a ship collision prevention buffer device applied to a bridge structure in the second embodiment of the present invention (the left side is a vertical cross-sectional view inside the structure, and the right side is a schematic diagram of the connection surface).
Illustration of the drawings:
1. an anti-collision box body; 2. outer layer steel-UHPC composite panels; 3. energy dissipation steel pipes; 4. inner layer steel-UHPC composite panels; 5. a lightweight energy dissipating filler; 6. a connecting surface; 7. a hollow bore; 8. rubber fender; 9. a bearing platform; 10. a bridge pier; 11. hanging legs; 12. a top steel-UHPC composite panel; 13. a pile foundation; 14. a bottom steel-UHPC composite panel; 15. a force transmission steel plate; 16. a shear connector; 17. an embedded part.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
The first embodiment is as follows:
as shown in fig. 1-3, the utility model discloses a be applied to bridge structures prevent ship and hit buffer prevents that ship from hitting buffer includes that a plurality of passive preventing ships that are applied to bridge structures hit the festival section, and the major structure that passive preventing ships hit the festival section is crashproof box 1, and the cushion cap 9 of bridge is provided with cladding cushion cap 9 outside the utility model discloses a prevent ship and hit buffer, cushion cap 9 and prevent that the ship from hitting between the buffer and fix through hanging leg 11 and built-in fitting 17, the bottom of cushion cap 9 is provided with pile foundation 13.
The anti-collision box body 1 mainly comprises an outer-layer steel-UHPC combined panel 2, an energy dissipation steel pipe 3, an inner-layer steel-UHPC combined panel 4, a top-layer steel-UHPC combined panel 12, a bottom-layer steel-UHPC combined panel 14, a force transmission steel plate 15, light energy-dissipation fillers 5 (such as foam) and hanging legs 11, wherein the surface of the outer-layer steel-UHPC combined panel 2 is coated with UHPC, the inner-layer steel-UHPC combined panel 4 is coated with UHPC and fixedly connected with a bearing platform 9, the top-layer steel-UHPC combined panel 12 is coated with UHPC, the bottom-layer steel-UHPC combined panel 14 is horizontally connected with the force transmission steel plate 15, the light energy-dissipation fillers 5 (such as foam) are filled in the anti-collision box body 1, and the hanging legs 11 are connected with the bearing platform 9, and particularly, all parts, which are in contact with outside air and water, of the anti-collision box body 1 are covered with UHPC.
According to the ship collision prevention buffer device in the embodiment, due to the fact that the UHPC material is arranged on the surface of the anti-collision box body 1, the ship collision prevention buffer device can have excellent corrosion resistance and scouring resistance. The outer steel-UHPC combined panel 2, the inner steel-UHPC combined panel 4, the top steel-UHPC combined panel 12 and the bottom steel-UHPC combined panel 14 are formed by connecting UHPC surface layers and steel plates connected with the UHPC surface layers through shear connectors 16, and meanwhile, bidirectional steel bars are arranged on the UHPC surface layers. All parts contacted by outside air or water are covered with the UHPC surface layer, the ship collision prevention device has better durability due to the excellent characteristic of the UHPC, and compared with the traditional anti-collision device which adopts coating, the ship collision prevention device adopts the UHPC surface layer to construct only once, thereby obviously reducing the later use and maintenance cost.
The energy dissipation steel pipe 3 used for offsetting the impact force of a ship body is arranged in the anti-collision box body 1, the energy dissipation steel pipe 3 is provided with the force transmission steel plate 15, the outer layer steel-UHPC combined panel 2 has better durability and erosion resistance, when the anti-collision device is impacted, the anti-collision device can transmit more impact force to the internal light energy dissipation filler 5 and the energy dissipation steel pipe 3 due to the advantages of large rigidity and good impact resistance, and the energy dissipation steel pipe 3 can directly transmit the impact force by combining the force transmission steel plate 15, so that the anti-collision device has excellent energy consumption capability, the impact force is effectively reduced, and the cushion cap 9 is protected.
In the embodiment, the rubber fender 8 is uniformly distributed on the outer side of the outer layer steel-UHPC combined panel 2, and the rubber fender 8 has a good buffering effect and can reduce the initial impact force when a ship is collided.
In the embodiment, the upper surface and the lower surface of the energy dissipation steel pipe 3 are communicated to form the hollow hole 7, so that the energy dissipation steel pipe has the functions of wave absorption and buoyancy reduction, and simultaneously, due to the existence of water in the energy dissipation steel pipe, the impact force is reduced by utilizing the water damping effect when a ship is collided.
The ship collision prevention buffer device of the embodiment is fixedly connected with the embedded part 17 on the bearing platform 9 through the connecting parts such as the hanging legs 11, and the hanging legs 11 can adopt steel hanging legs which are externally coated with a UHPC surface layer or can directly adopt the hanging legs 11 in the form of UHPC and the like. The hanging legs 11 are arranged on the side surface of the bearing platform 9 through embedded parts 17 in the bearing platform 9 and can also be arranged on the top surface of the bearing platform 9.
In the embodiment, the anti-collision box body 1 is completely filled with the light energy-consuming filler 5, and the impact force is reduced by using the energy dissipation effect of the light energy-consuming filler 5. However, the filling of the tank body 1 should not be limited to the complete filling, and the filling of the ship collision preventing device without filling or with partial filling is included in the selection range of the collision preventing device.
The ship collision prevention device in the embodiment is prefabricated in sections and is installed and connected on site, the whole ship collision prevention device is divided into six sections, and the six sections comprise six collision prevention box bodies 1. The segment connecting surface 6 only needs to be treated as same as the outer steel-UHPC combined panel 2, and the UHPC surface layer is coated outside the steel plate, so that the manufacturing and construction difficulty of the ship collision prevention device can be greatly reduced. The segments may be arranged at a distance apart as required.
Example two:
as shown in fig. 4-6, the utility model discloses a be applied to bridge structures prevent ship and hit buffer prevents that ship from hitting buffer includes that a plurality of passive preventing ships that are applied to bridge structures hit the festival section, and the major structure that passive preventing ships hit the festival section is crashproof box 1, and the pier 10 of bridge is provided with the cladding pier 10 outside the utility model discloses a prevent that ship from hitting buffer, pier 10 with prevent that the ship from hitting between the buffer and fix through hanging leg 11 and built-in fitting 17.
The anti-collision box body 1 mainly comprises an outer-layer steel-UHPC combined panel 2, an energy dissipation steel pipe 3, an inner-layer steel-UHPC combined panel 4, a top-layer steel-UHPC combined panel 12, a bottom-layer steel-UHPC combined panel 14, a force transmission steel plate 15, light energy-dissipation fillers 5 (such as foam materials) and hanging legs 11, wherein the surface of the outer-layer steel-UHPC combined panel 2 is coated with UHPC, the inner-layer steel-UHPC combined panel 4 is coated with UHPC and fixedly connected with a bearing platform 9, the top-layer steel-UHPC combined panel 12 is coated with UHPC, the bottom-layer steel-UHPC combined panel 14 is horizontally connected with the force transmission steel plate 15, the light energy-dissipation fillers 5 (such as foam materials) are filled in the anti-collision box body 1, and the hanging legs 11 are connected with the bearing platform 9, and particularly, all parts, which are in contact with outside air and water, of the anti-collision box body 1 are covered with UHPC.
According to the ship collision prevention buffer device in the embodiment, due to the fact that the UHPC material is arranged on the surface of the anti-collision box body 1, the ship collision prevention buffer device can have excellent corrosion resistance and scouring resistance. The outer steel-UHPC combined panel 2, the inner steel-UHPC combined panel 4, the top steel-UHPC combined panel 12 and the bottom steel-UHPC combined panel 14 are formed by connecting UHPC surface layers and steel plates connected with the UHPC surface layers through shear connectors 16, and meanwhile, bidirectional steel bars are arranged on the UHPC surface layers. All parts contacted by outside air or water are covered with the UHPC surface layer, the ship collision prevention device has better durability due to the excellent characteristic of the UHPC, and compared with the traditional anti-collision device which adopts coating, the ship collision prevention device adopts the UHPC surface layer to construct only once, thereby obviously reducing the later use and maintenance cost.
The energy dissipation steel pipe 3 used for offsetting the impact force of the ship body is arranged in the anti-collision box body 1, the energy dissipation steel pipe 3 is provided with the force transmission steel plate 15, the energy dissipation steel pipe 3 penetrates through the outer layer steel-UHPC combined panel 2 and has better durability and erosion resistance, when the anti-collision device is impacted, due to the advantages of large rigidity and good impact resistance, more impact force can be transmitted to the inner light energy dissipation filler 5 and the energy dissipation steel pipe 3, and the force transmission steel plate 15 is combined to directly transmit the impact force to the energy dissipation steel pipe 3, so that the ship collision prevention device has excellent energy dissipation capacity, the impact force is effectively reduced, and the pier 10 is protected.
In the embodiment, the upper surface and the lower surface of the energy dissipation steel pipe 3 are communicated to form the hollow hole 7, so that the energy dissipation steel pipe has the functions of wave absorption and buoyancy reduction, and simultaneously, due to the existence of water in the energy dissipation steel pipe, the impact force is reduced by utilizing the water damping effect when a ship is collided.
The ship collision prevention buffer device of the embodiment is fixedly connected with the embedded part 17 on the pier 10 through the connecting parts such as the hanging legs 11, and the hanging legs 11 can adopt steel hanging legs which are externally coated with a UHPC surface layer or can directly adopt the hanging legs 11 in the forms of UHPC and the like. The hanging legs 11 are installed at the side of the pier 10 by embedment members 17 in the pier 10.
In the embodiment, the anti-collision box body 1 is completely filled with the light energy-consuming filler 5, and the impact force is reduced by using the energy dissipation effect of the light energy-consuming filler 5. However, the filling of the tank body 1 should not be limited to the complete filling, and the filling of the ship collision preventing device without filling or with partial filling is included in the selection range of the collision preventing device.
The ship collision prevention device in the embodiment is prefabricated in sections and is installed and connected on site, the whole ship collision prevention device is divided into two sections, and the two sections comprise two semi-annular anti-collision box bodies 1. The segment connecting surface 6 only needs to be treated as same as the outer steel-UHPC combined panel 2, and the UHPC surface layer is coated outside the steel plate, so that the manufacturing and construction difficulty of the ship collision prevention device can be greatly reduced. The segments may be arranged at a distance apart as required.
The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and various modifications and changes will occur to those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The passive ship collision prevention segment applied to the bridge structure is characterized by comprising an anti-collision box body (1), wherein the anti-collision box body (1) is a closed cavity structure formed by enclosing a steel-UHPC (ultra high performance concrete) combined panel, the steel-UHPC combined panel comprises a steel plate layer and an UHPC layer which are fixedly connected with each other, the UHPC layer is arranged on the outer side of the anti-collision box body (1), and an energy dissipation steel pipe (3) used for offsetting the impact force of a ship body is arranged in the anti-collision box body (1).
2. The passive ship-strike prevention segment applied to bridge structures according to claim 1, characterized in that the axis of the energy-dissipating steel pipes (3) is arranged perpendicular to the striking direction of the ship body.
3. The passive ship-strike prevention section applied to a bridge structure according to claim 1, characterized in that both ends of the energy-dissipating steel pipe (3) penetrate through the crash box body (1) to form a through hollow hole (7) on the crash box body (1), and the inner side wall of the hollow hole (7) is covered with a UHPC surface layer.
4. The passive ship-strike prevention segment applied to a bridge structure according to claim 1, characterized in that a force transmission steel plate (15) for transmitting the ship strike force to the energy dissipation steel pipe (3) is arranged in the crash box (1), and the energy dissipation steel pipe (3) is arranged through the force transmission steel plate (15).
5. The passive ship-strike prevention segment applied to a bridge structure according to claim 1, wherein the steel deck and the UHPC deck are connected by a shear connector (16), and bidirectional steel bars are arranged in the UHPC deck.
6. The passive ship-impact prevention segment applied to a bridge structure according to claim 1, characterized in that the crash box body (1) comprises an outer steel-UHPC combined panel (2) which is impacted with a ship body, and a rubber fender (8) is fixedly connected to the surface of the outer steel-UHPC combined panel (2).
7. The passive ship-impact segment for bridge construction according to claim 1, characterized in that the tank (1) is fitted with connectors for connecting the bridge cap (9) or bridge pier (10).
8. The passive ship-impact segment for bridge construction according to claim 1, characterized in that the crash box (1) is filled with a lightweight energy-consuming filler (5).
9. A ship-collision prevention buffer device applied to a bridge structure, which is characterized by comprising a plurality of passive ship-collision prevention sections according to any one of claims 1 to 8, wherein a plurality of anti-collision box bodies (1) are connected end to form a whole and are arranged around a bearing platform (9) or a pier (10) of a bridge, or the anti-collision box bodies (1) are arranged around the bearing platform (9) or the pier (10) at intervals.
10. The ship collision prevention buffer device applied to bridge structures according to claim 9, wherein the collision prevention box body (1) is fixedly installed with the bearing platform (9) or the pier (10) through a connecting piece.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120873684.1U CN214883280U (en) | 2021-04-26 | 2021-04-26 | Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device |
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| CN202120873684.1U CN214883280U (en) | 2021-04-26 | 2021-04-26 | Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device |
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| CN214883280U true CN214883280U (en) | 2021-11-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216052A (en) * | 2021-04-26 | 2021-08-06 | 湖南大学 | Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113216052A (en) * | 2021-04-26 | 2021-08-06 | 湖南大学 | Passive ship-collision-prevention segment applied to bridge structure and ship-collision-prevention buffer device |
| CN113216052B (en) * | 2021-04-26 | 2024-06-25 | 湖南大学 | Be applied to bridge construction's passive ship and prevent that ship hits section and prevent ship and hit buffer |
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