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This research has been carried out to examine the impact of excess shipload on ship performance and stability. The objectives are to analyse the trend of sinking ships in Nigeria occasioned to ship excess load. Secondly, to examine the relationship between load size and ship stability and identify the various factors responsible for ship instability. Data were gathered from operators in the maritime industry using structured questionnaires and interviews as data collection instruments. Four significant stakeholders that can provide information based on their involvement across three strata of management, operation and general cadre were sampled. Pearson Moment Correlation technique has been used to examine the relationship between load size and ship stability, and Analysis of Variance-one was used to identify the various factors responsible for ship instability. The Pearson Moment Correlation technique analysis shows a significant relationship between load size and stability. The analysis of variance revealed that "hogging and sagging" is the most crucial factor among the factors identified for ship instability. It has the highest value of F-ratio of 17.837 with a significance at p<0.05. The research concluded that resultant accidents from the instability of vessels are caused majorly by hogging and sagging of vessels, and notably, the occurrence is much in riverine areas in Nigeria. Loading the vessel has a relationship with the vessel's stability, as depicted from the analysis in this research. Recommendations on how to enhance stability through boat construction, shipbuilding, loading and passenger's use of life jackets, among others were made.
Rocznik
Tom
Strony
62--72
Opis fizyczny
Bibliogr. 13 poz., rys., tab., wykr.
Twórcy
autor
- Department of Transport and Logistics Management, Nigerian Army University P.M.B 1500, Biu, Borno State, Nigeria
autor
- Department of Transport Management, Federal University of Technology, Akure, Ondo State, Nigeria
Bibliografia
- Bačkalov, I., Bulian, G., Cichowicz, J., Eliopoulou, E., Konovessis, D., Leguen, J. F., ... & Themelis, N. (2016). Ship stability, dynamics and safety: Status and perspectives from a review of recent STAB conferences and ISSW events. Ocean Engineering, 116, 312-349.
- Chai, W. (2016). Reliability evaluation of the roll motion under the wind and irregular beam waves. Journal of Ocean Engineering and Science, 1(2), 149-156.
- Chen, J. H. (2015). Modification of the Intact Stability Criteria to Assess the Ship Survivability from Capsizing. Procedia Earth and Planetary Science, 14, 64-75.
- Clark, I. C. (2002). The management of merchant ship stability, trim and strength: vessel maintains seaworthy stability and trim whilst remaining within its limits of strength. Nautical Institute.
- Derrett, D. R., & Barrass, C. B. (1990). Ship stability for Masters and Mates. Butterworth-Heinemann.
- Gudmundsson, A. (2009). Safety practices related to small fishing vessel stability (No. 517). Food and Agriculture Organization of the United Nations (FAO).
- Maritime Newzealand. (2011). Ship stability. Retrieved 23 August, 2020 from https://Ships%20stab/stability%201.html
- Mishra Chandra Shekah. (2018). Case studies of the effect of loading and unloading cargo in ship. International Journal of Contemporary Research and Review.
- National Research Council. (1996). Stemming the Tide: Controlling Introductions of Nonindigenous Species by Ships' Ballast Water. Washington, DC: The National Academies Press. https://doi.org/10.17226/5294.
- Nwankwo, U. V., & Ukoji, U. V. (2015). Boat Accidents in Nigeria: General Trends and Risk Factors (June 2006-May 2015). J. Adv. Res. Humani. Social Sci, 2.
- Paroka, D., & Umeda, N. (2006). Prediction of capsizing probability for a ship with trapped water on deck. Journal of Marine science and Technology, 11(4), 237-244.
- Pursey, H. J. (2008). Merchant ship stability. Brown, Son & Ferguson.
- Themelis, N., & Rosén, A. (2018). An overview of the current research on stability of ships and ocean vehicles. In 13th International Conference on the Stability of Ships and Ocean Vehicles (STAB2018).
Typ dokumentu
Bibliografia
Identyfikator YADDA
bwmeta1.element.baztech-ea27ff2f-b909-425b-8d50-6e5c9a6d3ae8