CN112301876B - Pier initiative collision avoidance device based on collision hydrodynamic force - Google Patents
Pier initiative collision avoidance device based on collision hydrodynamic force Download PDFInfo
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- CN112301876B CN112301876B CN202011266368.4A CN202011266368A CN112301876B CN 112301876 B CN112301876 B CN 112301876B CN 202011266368 A CN202011266368 A CN 202011266368A CN 112301876 B CN112301876 B CN 112301876B
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- pier
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- 238000005507 spraying Methods 0.000 claims abstract description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 31
- 239000007921 spray Substances 0.000 claims abstract description 28
- 230000008859 change Effects 0.000 claims abstract description 17
- 239000005060 rubber Substances 0.000 claims abstract description 16
- 229910000831 Steel Inorganic materials 0.000 claims description 11
- 239000010959 steel Substances 0.000 claims description 11
- 238000003825 pressing Methods 0.000 claims description 7
- 239000002131 composite material Substances 0.000 claims description 6
- 230000009471 action Effects 0.000 claims description 5
- 238000004026 adhesive bonding Methods 0.000 claims description 3
- 239000002657 fibrous material Substances 0.000 claims description 3
- 239000006260 foam Substances 0.000 claims description 3
- 239000004033 plastic Substances 0.000 claims description 3
- 239000007787 solid Substances 0.000 claims description 3
- 239000002002 slurry Substances 0.000 abstract description 9
- 238000012423 maintenance Methods 0.000 abstract description 8
- 230000003111 delayed effect Effects 0.000 abstract description 5
- 230000000694 effects Effects 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 7
- 239000000463 material Substances 0.000 description 4
- 230000009467 reduction Effects 0.000 description 4
- 230000003139 buffering effect Effects 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000002708 enhancing effect Effects 0.000 description 2
- 238000010521 absorption reaction Methods 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000001934 delay Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 230000000192 social effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 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)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Ocean & Marine Engineering (AREA)
- Architecture (AREA)
- Environmental & Geological Engineering (AREA)
- Mechanical Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses an active collision avoidance device for a pier based on collision hydrodynamic force. The floating inner ring, the floating block and the rotary spraying cavity are semi-floating on the water surface and can float up and down along the fixed frame so as to adapt to the change of the water level. The rotary spraying cavity is surrounded by the annular inner wall and the rubber outer wall to form a plurality of independent convex cavities, the bottom of the cavity is provided with a spray head, water flow can freely enter and exit, and accumulated water in the cavity is extruded and sprayed out to impact the bottom slurry sheet during impact, so that the rotary spraying cavity is rotated, the impact direction of a ship is changed in time, the ship and a pier are separated as soon as possible, and the effect of actively preventing collision is achieved. The device can effectively utilize the impact energy of the ship, convert the impact energy into rotational kinetic energy, actively guide the ship to change the movement direction in time, and reduce the impact energy input; meanwhile, the rotary spray cavity adopts the rubber outer wall, so that the impact time can be effectively delayed, and the impact force is reduced; and the device can automatically and elastically reset, so that repeated collision avoidance is realized, and replacement and maintenance are not required.
Description
Technical Field
The invention relates to an active collision avoidance device for a bridge pier based on collision hydrodynamic force, and belongs to the field of collision avoidance and disaster reduction of ships with bridge pier structures.
Background
In recent years, economic and traffic industries rapidly develop, more bridge projects are erected on water-borne channels, so that the original channels become narrow, meanwhile, the number and tonnage of vehicles such as ships on the channels are increased, and accidents such as ship collision against the bridge are frequently caused by severe environment and fatigue driving. The ship collision not only can cause the damage of the ship, but also can cause the damage of the bridge structure, even cause the collapse of the bridge structure, thereby causing serious economic and social effects. Therefore, in order to secure the traveling ship and the bridge, it is necessary to take effective measures to avoid the ship collision of the bridge abutment or to reduce the damage caused by the ship collision.
At present, in order to improve the safety of ship striking bridge piers, the existing prevention and treatment method mainly comprises the following three aspects: firstly, the method for enhancing the self-resistance of the bridge pier needs higher bridge construction economic cost by enhancing the self-resistance of the bridge pier; secondly, the probability of collision caused by congestion or narrowness is reduced by widening the distance between bridge piers; thirdly, through setting up anti-collision device on the bridge pier, current anti-collision device is divided into with the direct mode such as string protection mode, rope deformation mode and the indirect mode such as pile group mode, artifical island mode, has become comparatively popular bridge anticollision means.
The existing bridge pier anti-collision devices have the characteristics, but most of the anti-collision devices belong to passive compression resistance disaster reduction devices, the impact time is delayed or the impact energy is consumed mainly through the impact deformation of the anti-collision devices and materials, the overall thought is how to reduce and consume the impact energy of ships, and the anti-collision devices pay attention to how to utilize and convert the impact energy, so that the anti-collision devices are used for bridge anti-collision disaster reduction. In addition, the ideal pier anti-collision device also enables the collision ship to break away from the bridge abutment as soon as possible, reduces the input of collision energy, and simultaneously has the characteristics of repeated anti-collision for many times, convenient maintenance and replacement, and the like.
Disclosure of Invention
The invention aims to provide an active collision avoidance device for a pier based on collision hydrodynamic force, which can effectively solve the problems, and the specific technical scheme is as follows:
The device is wrapped outside the pier, a fixed frame, a floating inner ring, a floating block and a rotary spraying cavity are sequentially arranged from inside to outside, the fixed frame is fixed around the pier through 2-4 hoops by 3-6 straight rods parallel to the axis of the pier, and the fixed frame is arranged in the constant water level change range of a river and has a length longer than the constant water level change height difference of the river; the floating inner ring is connected by 2-4 annular bearing bases through annular steel plates, a groove matched with a straight rod of the fixed frame is formed in the inner side of the base, a transverse rotating chute is formed in the outer side of the base, and the floating inner ring can slide up and down along the fixed frame; the rotary spraying cavity is formed by encircling an annular inner wall and a rubber outer wall through pressing strips into a plurality of independent convex cavities, a sliding groove is arranged on the inner side of the annular inner wall and matched with the sliding groove on the outer side of the floating inner ring base, and the annular inner wall and the sliding groove are connected through a plurality of small steel balls in the corresponding sliding groove so as to realize the rotation of the spraying cavity; the floating block is arranged between the floating inner ring and the rotary spraying cavity and is fixed with the floating inner ring.
Further, the floating inner ring, the floating block and the rotary spraying cavity are connected to form a distribution part, and the distribution part can integrally slide up and down along the fixed frame along with the change of the water level; the rotary spray cavity can rotate around the floating inner ring under the action of water spray impact in the cavity.
Further, a plurality of vertical paddles are arranged at the bottom of the floating inner ring, the planes of the vertical paddles at the left side and the right side of the bridge pier shaft section are respectively arranged at an angle of plus or minus 45 degrees with the bridge pier shaft line by taking the bridge pier shaft section of the continuous row as a boundary.
Further, the outer rubber wall of the rotary spraying cavity is enclosed with the annular inner wall through a pressing strip or gluing to form 4-8 independent convex cavities, each convex cavity can be divided into a plurality of cavities, a spray head is arranged at the bottom of the innermost cavity, the spray head is arranged in a projection plane of the pulp sheet and fixed with the annular inner wall, and water flow can flow into and spray out of the cavities through the spray head.
Further, the floating block can be made of rubber, plastic, foam or light composite material, and can be in the shape of an annular hollow block or a solid block, and the volume of the floating block is determined by the relative weight of the collision avoidance device, so that the collision avoidance device is semi-floating in water.
Furthermore, the fixed frame, the floating inner ring and the annular inner wall of the rotary spraying cavity can be made of steel materials or composite fiber materials.
The invention has the beneficial effects that: the device can effectively utilize the impact energy of the ship, convert the impact energy into rotational kinetic energy, actively guide the ship to change the movement direction in time, and reduce the impact energy input; particularly, due to the arrangement of the slurry sheets at the bottom of the floating inner ring in different directions, the left collision and the right collision of the anti-collision device can be caused under the collision action, so that the running direction of the collision ship can be corrected in time, and the damage to the ship and the bridge pier can be reduced; meanwhile, the rotary spraying cavity adopts the rubber outer wall, so that the impact time can be effectively delayed, the impact force can be reduced, the automatic elastic reset can be realized, the repeated collision avoidance can be realized, and the replacement and the maintenance are not required. In addition, the floating inner ring, the floating block and the rotary spray cavity are semi-floating on the water surface, can float up and down along the fixed frame, and can adapt to the change of the water level.
The present invention will be described in detail with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic view of an active collision avoidance device for a pier in accordance with the present invention;
FIG. 2 is a schematic top view of an active collision avoidance device for a pier according to the present invention;
FIG. 3 is a schematic cross-sectional view of an active collision avoidance device for a pier according to the present invention;
Fig. 4 is a schematic diagram of the combination and disassembly of the active collision avoidance device of the bridge pier according to the present invention;
reference numerals: 1, bridge piers; 2, fixing a frame; 2.1 straight rods; 2.2 hoops; 3, floating the inner ring; 3.1 annular bearing base; 3.2 annular steel plates; 4, rotating the spray cavity; 4.1 annular inner wall; 4.2 rubber outer walls; 4.3 spray heads; 4.4 layering; 5 small steel balls; 6, floating blocks; 7, slurry sheets; 8 pegs.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The described embodiments are only some embodiments, but not all embodiments, of the present invention, and are therefore not intended to limit the scope of the invention, as described earlier.
Referring to fig. 1 to 4 in combination, a first preferred embodiment of the present patent is shown, and an active collision avoidance device for a pier based on collision hydrodynamic force is provided, wherein the device is composed of a fixed frame, a floating inner ring, a floating block and a rotating spray cavity sequentially arranged from inside to outside, and the rotating spray cavity is matched with the floating inner ring to effectively utilize the collision energy of a ship, convert the collision energy into rotational kinetic energy, actively and timely guide the ship to change the movement direction, and reduce the input of the collision energy; meanwhile, the impact time can be effectively delayed, the impact force is reduced, the automatic elastic reset is realized, repeated collision avoidance is realized, and replacement and maintenance are not needed.
The design scheme of the embodiment is as follows:
The device is externally covered on a pier 1, and comprises a fixed frame 2, a floating inner ring 3, a floating block 6 and a rotary spraying cavity 4 which are sequentially arranged from inside to outside, wherein the fixed frame 2 is formed by 3-6 straight rods 2.1 parallel to the axis of the pier, the straight rods are fixed around the pier 1 through 2-4 annular hoops 2.2, and the fixed frame 2 is arranged in the range of the constant water level of a river, and the length of the fixed frame is longer than the constant water level variation height difference of the river; the floating inner ring 3 is connected by 2-4 annular bearing bases 3.1 through annular steel plates 3.2, grooves matched with straight rods of the fixed frame 2 are formed in the inner sides of the bases, transverse rotating sliding grooves are formed in the outer sides of the bases, and the floating inner ring 3 can slide up and down along the fixed frame 2; the rotary spray cavity 4 is formed by enclosing an annular inner wall 4.1 and a rubber outer wall 4.2 through a pressing strip 4.4 into a plurality of independent convex cavities, a sliding groove is arranged on the inner side of the annular inner wall 4.4 and matched with the sliding groove on the outer side of the base of the floating inner ring 3, and the annular inner wall 4.4 is internally connected with the sliding groove through a plurality of small steel balls 5 so as to realize the rotation of the spray cavity; the floating block 6 is arranged between the floating inner ring 3 and the rotary spraying cavity 4 and is fixed with the floating inner ring 3.
The floating inner ring 3, the floating block 6 and the rotary spraying cavity 4 are connected to form a distribution part, and can integrally slide up and down along the fixed frame 2 along with the change of the water level; the rotary spraying cavity 4 can rotate around the floating inner ring 3 under the action of water spraying impact in the cavity.
The bottom of the floating inner ring 3 is provided with a plurality of vertical slurry sheets 7, the planes of the vertical slurry sheets on the left side and the right side of the bridge pier shaft tangent plane are respectively arranged at an angle of plus or minus 45 degrees with the bridge pier shaft tangent plane by taking the continuous bridge pier shaft tangent plane as a boundary.
The rubber outer wall 4.2 of the rotary spray cavity 4 is enclosed with the annular inner wall 4.1 through a pressing strip 4.4 or gluing to form 4-8 independent convex cavities, each convex cavity can be divided into a plurality of cavities, a spray head 4.3 is arranged at the bottom of the innermost cavity, the spray head 4.3 is arranged in the projection plane of the slurry sheet 7 and is fixed with the annular inner wall 4.1, and water flow can flow into and spray out of the cavities through the spray head 4.3.
The floating block 6 can be made of rubber, plastic, foam or light composite material, and can be in the shape of an annular hollow block or a solid block, and the volume of the floating block is determined by the relative weight of the collision avoidance device, so that the collision avoidance device is semi-floating in water.
The fixed frame 2, the floating inner ring 3 and the annular inner wall 4.1 of the rotary spray cavity 4 can be made of steel or composite fiber materials.
The applicant states that, on the basis of the above examples, a new method is produced by combining certain steps of the above examples with the technical solutions of the summary section, and the present application is one of the described scope of the present application, and the present application is for brevity of description and no further embodiments of these steps are listed.
In the embodiment, the device is formed by sequentially arranging the fixed frame, the floating inner ring, the floating block and the rotary spraying cavity from inside to outside, and all anti-collision parts of the device are mutually independent and are convenient to transport and install independently; meanwhile, the rotating spray cavity is matched with the floating inner ring to effectively utilize the impact energy of the ship, convert the impact energy into rotating kinetic energy, actively and timely guide the ship to change the movement direction, and reduce the impact energy input; the device has the advantages of effectively delaying the impact time, reducing the impact force, automatically resetting elastically, realizing repeated collision avoidance, and avoiding replacement and maintenance, and is an ideal active collision avoidance device.
Technical principle: the invention provides an active collision avoidance device for piers based on collision hydrodynamic force, which is an active collision avoidance structure which is characterized in that a rotary spraying cavity 4 is matched with a floating inner ring 3, and the active collision avoidance structure is rotated around a central shaft under a slurry sheet 7 by utilizing the water spraying impact action of the collision hydrodynamic force in the cavity. Firstly, the device is externally wrapped on a pier 1, and a fixed frame 2, a floating inner ring 3, a floating block 6 and a rotary spray cavity 4 are sequentially arranged from inside to outside, so that the parts are mutually independent, and the device is convenient for installation, construction and maintenance; meanwhile, the pier active collision avoidance device can float on the water surface along the fixed frame 2 and float up and down along with the change of the water level, so that the device is always in the collision range of the ship, the phenomenon that the pier 1 and the ship cannot be protected due to the change of the water level is avoided, and the safety of the pier 1 and the ship is effectively protected. Secondly, the rotary spraying cavity 4 is formed by encircling the annular inner wall 4.1 and the rubber outer wall 4.2 through the pressing strips 4.4 and the pegs 8 to form a plurality of independent convex cavities, so that the advantages of forming the air cavity and the water spraying cavity by using rubber materials with small rigidity can be utilized, the impact time can be effectively delayed, the impact force can be reduced, the damage degree of the ship during impact buffering can be effectively reduced, and people, the ship and the bridge pier 1 can be effectively and safely ensured; the device can automatically and elastically reset, so that repeated collision avoidance is realized, and replacement and maintenance are not required; simultaneously, the floating inner ring 3 is matched to rotate around the central shaft spraying cavity, and the slurry sheets 7 in different directions at the bottom of the floating inner ring 3 are arranged, so that the left collision left rotation and the right collision right rotation of the anti-collision device under the collision effect can timely correct the traveling direction of the collision ship, the collision energy of the ship is effectively utilized to be converted into rotational kinetic energy, the ship is actively guided to change the moving direction in time, the input of the collision energy is reduced, and the ship and the bridge pier 1 are ensured safely. Compared with the traditional anti-collision device which belongs to the passive compression resistance disaster reduction device when being impacted by a ship, the anti-collision device mainly delays the impact time or consumes impact energy through the impact deformation of the anti-collision device and materials, the ship and the bridge pier 1 generate huge interaction force, and the human, the ship and the bridge pier 1 are simultaneously and greatly damaged, so that the anti-collision device is mainly used for reducing and consuming the impact energy of the ship. The rotary spraying cavity 4 is formed by enclosing the annular inner wall 4.1 and the rubber outer wall 4.2 into a plurality of independent convex cavities, the spray heads 4.3 are arranged at the bottoms of the cavities, water flow can freely enter and exit, accumulated water in the cavities is extruded and sprayed out to impact the bottom slurry sheet 7 during impact, pushing force is generated, the rotary spraying cavity 4 is caused to rotate, the impact direction of a ship is changed in time, the ship and a bridge pier are separated as soon as possible, the effect of active collision avoidance is achieved, and the device energy absorption and active collision avoidance rotation are simultaneously carried out, and particularly good buffering adaptability is achieved for ship impact under different impact energies. In addition, the shower nozzle 4.3 has been arranged to the cavity bottom, and shower nozzle 4.3 arranges in thick liquid piece 7 projection plane and is fixed with annular inner wall 4.1, and the interior rivers of cavity accessible shower nozzle 4.3 flow in and blowout cavity can also automatic elasticity reset's cyclic utilization, has and realizes repeatedly avoiding bumping, need not to change and maintenance, makes its economy and very convenient.
The applicant has further stated that the device structure and implementation method of the present invention are described by the above examples, but the present invention is not limited to the above embodiments, i.e. it does not mean that the present invention must be implemented by the above structures and methods. It should be apparent to those skilled in the art that any modification of the present invention, equivalent substitutions for the implementation method selected by the present invention, addition of steps, selection of specific modes, etc., fall within the scope of the present invention and the scope of the disclosure.
The present invention is not limited to the above embodiments, and all embodiments using structures similar to the present invention and methods for achieving the objects of the present invention are within the scope of the present invention.
Claims (4)
1. The device is characterized in that the device is externally wrapped on the pier, a fixed frame, a sliding inner ring, a floating block and a rotary spraying cavity are sequentially arranged from inside to outside, the fixed frame is fixed around the pier through 2-4 loop hoops by 3-6 straight bars parallel to the axis of the pier, and the fixed frame is arranged in the constant water level change range of a river and has a length longer than the constant water level change height difference of the river; the sliding inner ring is connected by 2-4 annular bearing bases through annular steel plates, a groove matched with a straight rod of the fixed frame is formed in the inner side of the base, a transverse rotating chute is formed in the outer side of the base, and the sliding inner ring can slide up and down along the fixed frame; the rotary spraying cavity is formed by encircling an annular inner wall and a rubber outer wall through pressing strips into a plurality of independent convex cavities, a sliding groove is arranged on the inner side of the annular inner wall and is matched with a sliding groove on the outer side of a sliding inner ring base, and the annular inner wall and the sliding groove are connected through a plurality of small steel balls in the corresponding sliding groove to realize the rotation of the spraying cavity; the floating block is arranged between the sliding inner ring and the rotary spraying cavity and is fixed with the sliding inner ring; the sliding inner ring, the floating block and the rotary spraying cavity are connected to form a distribution part, and can slide up and down along the fixed frame along with the change of the water level; the rotary spraying cavity can rotate around the sliding inner ring under the action of water spraying impact in the cavity; the bottom of the sliding inner ring is provided with a plurality of vertical paddles, the planes of the vertical paddles on the left side and the right side of the bridge pier shaft section are respectively arranged at an angle of plus or minus 45 degrees with the bridge pier shaft line by taking the section of the bridge pier shaft in a continuous row as a boundary.
2. The pier active collision avoidance device based on the collision hydrodynamic force according to claim 1, wherein the rubber outer wall of the rotary spraying cavity and the annular inner wall enclose 4-8 independent convex cavities through a pressing strip or gluing, a spray head is arranged at the bottom of the cavity, the spray head is arranged in a projection plane of the pulp sheet and fixed with the annular inner wall, and water flows into and sprays out of the cavity through the spray head.
3. The active collision avoidance device for piers based on the collision hydrodynamic force according to claim 1, wherein the floating blocks are made of rubber, plastic, foam or light composite materials, and are in the shape of annular hollow blocks or solid blocks, and the volume of the floating blocks is determined by the relative weight of the collision avoidance device, so that the collision avoidance device is semi-floating in water.
4. The pier active collision avoidance apparatus based on the collision hydrodynamic force according to claim 1, wherein the fixed frame, the sliding inner ring and the annular inner wall of the rotary spraying cavity are made of steel or composite fiber materials.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266368.4A CN112301876B (en) | 2020-11-13 | 2020-11-13 | Pier initiative collision avoidance device based on collision hydrodynamic force |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011266368.4A CN112301876B (en) | 2020-11-13 | 2020-11-13 | Pier initiative collision avoidance device based on collision hydrodynamic force |
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| Publication Number | Publication Date |
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| CN112301876A CN112301876A (en) | 2021-02-02 |
| CN112301876B true CN112301876B (en) | 2024-05-28 |
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| CN202011266368.4A Active CN112301876B (en) | 2020-11-13 | 2020-11-13 | Pier initiative collision avoidance device based on collision hydrodynamic force |
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| CN113463574B (en) * | 2021-05-24 | 2022-11-25 | 国网浙江省电力有限公司嵊泗县供电公司 | Anti-collision device for offshore pier |
| CN113622288B (en) * | 2021-08-25 | 2023-03-28 | 北旺路桥建设有限公司 | Flood prevention protection device for bridge pier |
| CN114934481B (en) * | 2022-04-21 | 2024-06-07 | 重庆交通大学 | Trinity ship collision prevention and fortification method for wading bridge pier |
| CN115324014B (en) * | 2022-08-22 | 2024-01-30 | 文志芬 | Ocean platform spud leg protection architecture |
| CN115977033B (en) * | 2023-01-06 | 2024-04-30 | 重庆大学 | Pier buffer stop |
| CN116467776B (en) * | 2023-03-28 | 2023-09-05 | 长安大学 | Bridge impact multi-failure mode resistance calculation method based on energy equivalence |
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| 运河桥梁浮式防船撞设施的模拟计算;陈云鹤;朱应欣;宋刚;张云峰;;解放军理工大学学报(自然科学版);20091215(第06期);559-564 * |
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