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Surface Pressure Loading Technology of Ship Structures
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Ze-yu DAI1, 2, Peng-yu WEI1, 2, Xiao-ping CHEN1, 2, Ze JIANG1, 2, Zhe CHEN1, 2, Qin TANG3
Journal of Ship Mechanics | 2024, 28(12) : 1940 - 1952
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Journal of Ship Mechanics | 2024, 28(12): 1940-1952
• Structural Mechanics •
Surface Pressure Loading Technology of Ship Structures
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Ze-yu DAI1, 2, Peng-yu WEI1, 2, Xiao-ping CHEN1, 2, Ze JIANG1, 2, Zhe CHEN1, 2, Qin TANG3
Affiliations
  • 1.China Ship Scientific Research Center, Wuxi 214082, China
  • 2.Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China
  • 3.School of Foreign Studies, Jiangnan University, Wuxi 214122, China

    • DAI Ze-yu(1995-), male, engineer, E-mail:

    WEI Peng-yu(1982-), male, professor.

Published: 2024-12-20 doi: 10.3969/j.issn.1007-7294.2024.12.010
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A hull structure is prone to local deformation and damage due to the pressure load on the surface. How to simulate surface pressure is an important issue in ship structure test. The loading mode of hydraulic actuator combined with high-pressure flexible bladder was proposed, and the numerical model of the loading device based on flexible bladder was established. The design and analysis method of high-pressure flexible bladder based on aramid-fiber reinforced thermoplastic polyurethane was proposed to break through the surface pressure loading technology of ship structures. The surface pressure loading system based on flexible bladder was developed. The ultimate strength verification test of the box girder under the combined action of bending moment and pressure was carried out to systematically verify the feasibility and applicability of the loading system. The results show that the surface pressure loading technology can be used well for applying uniform pressure to ship structures. Compared with the traditional surface loading methods, the improved device can be applied with horizontal constant pressure load, with rapid response and safe process, and the pressure load is always stable with the increase of the bending moment load during the test. The requirement for uniform loading in the comprehensive strength test of large structural models is satisfied and the accuracy of the test results is improved by this system.

surface pressure load  /  loading system  /  ship structure  /  strength test  /  flexible bladder
Ze-yu DAI, Peng-yu WEI, Xiao-ping CHEN, Ze JIANG, Zhe CHEN, Qin TANG. Surface Pressure Loading Technology of Ship Structures[J]. Journal of Ship Mechanics, 2024 , 28 (12) : 1940 -1952 . DOI: 10.3969/j.issn.1007-7294.2024.12.010
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  • National Key Research and Development Program of China(2022YFB3404800)
Appendix
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Year 2024 volume 28 Issue 12
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Article Info
doi: 10.3969/j.issn.1007-7294.2024.12.010
  • Receive Date：2024-06-21
  • Online Date：2026-03-26
  • Published：2024-12-20
Article Data
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History
  • Received：2024-06-21
Funding
National Key Research and Development Program of China(2022YFB3404800)
Affiliations
    1.China Ship Scientific Research Center, Wuxi 214082, China
    2.Taihu Laboratory of Deepsea Technological Science, Wuxi 214082, China
    3.School of Foreign Studies, Jiangnan University, Wuxi 214122, 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
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Number of
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Percentage of
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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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