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Damage characteristics of new ship-bridge collision protection device with trapezoidal aluminum foam composite sandwich structure
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Kun LIU1, Zi-yang ZHANG2, Jia-xia WANG1, Tong-qiang YU1
Journal of Ship Mechanics | 2025, 29(4) : 629 - 644
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Journal of Ship Mechanics | 2025, 29(4): 629-644
• Structural Mechanics •
Damage characteristics of new ship-bridge collision protection device with trapezoidal aluminum foam composite sandwich structure
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Kun LIU1, Zi-yang ZHANG2, Jia-xia WANG1, Tong-qiang YU1
Affiliations
  • 1.School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
  • 2.Shanghai Waigaoqiao Shipbuilding Co., Ltd., Shanghai 200137, China
Published: 2025-04-20 doi: 10.3969/j.issn.1007-7294.2025.04.011
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With the rapid development of the transportation industry, ship-bridge collision accidents occur from time to time and bring about loss of life and property. Ship-bridge anticollision facilities can reduce the damage of ships while protecting the bridge structure. In view of the shortcomings of traditional steel box, such as high stiffness and unchangeable protection position, a new self-floating ship-bridge anti-collision device is designed based on gradient foam aluminum composite sandwich structure. A ship-anticollision device-bridge pier collision model considering pile-water-soil coupling effect was established by finite element software LS-DYNA. The damage characteristics of ship-anticollision device-pier under typical collision loads were studied, and the crashworthiness of anticollision device under cases with different ship speed and ship collision angle were evaluated. The results show that the anticollision device has excellent buffering and energy absorption characteristics, which can effectively reduce the peak value of collision force, prolong the collision time, reduce the damage of pier and effectively reduce the damage of bow structure.

ship-bridge collision  /  gradient aluminum foam composite sandwich structure  /  vessel collision protection device  /  fluid-structure interaction  /  damage characteristics
Kun LIU, Zi-yang ZHANG, Jia-xia WANG, Tong-qiang YU. Damage characteristics of new ship-bridge collision protection device with trapezoidal aluminum foam composite sandwich structure[J]. Journal of Ship Mechanics, 2025 , 29 (4) : 629 -644 . DOI: 10.3969/j.issn.1007-7294.2025.04.011
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Article Info
doi: 10.3969/j.issn.1007-7294.2025.04.011
  • Receive Date：2024-10-11
  • Online Date：2026-03-24
  • Published：2025-04-20
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  • Received：2024-10-11
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Affiliations
    1.School of Naval Architecture and Ocean Engineering, Jiangsu University of Science and Technology, Zhenjiang 212003, China
    2.Shanghai Waigaoqiao Shipbuilding Co., Ltd., Shanghai 200137, China
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表12种不同金属材料的力学参数
科
Family		 属数
Number of
genus		 种数
Number of
species		 占总种数比例
Percentage of
total species (%)		 属
Genus		 种数
Number of
species		 占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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