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Safety analysis and design of full balanced hoist vertical shiplifts

  • Liao, Lekang (Chang Jiang Institute of Survey PIanning Design and Research)
  • 투고 : 2012.08.26
  • 심사 : 2013.12.09
  • 발행 : 2014.02.10

초록

The safety relating to leakage of water and pitch instability of ship chambers of the full balanced hoist vertical shiplifts has been the focus of adoption of the type of vertical shiplifts. This paper aims to remove the doubts through theoretical and engineering researches. The leakage and pitch stability of ship chambers of full balanced hoist vertical ship lifts are investigated on the basis of theoretical analysis and exploration of engineering measures. Regarding the issue of leakage of ship chambers, a mathematical model on leaking process is built and corresponding formula and coping measures are obtained which can be applied in control program of ship lifts by linking with monitoring. The concept of safety grade is put forward to seek the best technical and economic index and the corresponding technical measures are for different grades of ship lift is suggested. For the issue of pitch instability, a methodology of combining theoretical deduction and summary of achievements of design and operation of the type of the full balanced hoist shiplifts is adopted, and the formula for design about pitch stability of ship chambers is derived.

키워드

참고문헌

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피인용 문헌

  1. Stability and parameters influence study of fully balanced hoist vertical ship lift vol.66, pp.5, 2014, https://doi.org/10.12989/sem.2018.66.5.583
  2. Analytical solution of capsizing moments in ship chamber under pitching excitation vol.233, pp.15, 2019, https://doi.org/10.1177/0954406219843327
  3. Pitch stability analysis of high-lift wire rope hoist vertical shiplift under shallow water sloshing-structure interaction vol.233, pp.4, 2019, https://doi.org/10.1177/1464419319850666
  4. Influence of structural parameters on pitching stability of a vertical shiplift vol.2, pp.9, 2020, https://doi.org/10.1007/s42452-020-03317-6