Statistics and damage assessment of ship grounding |
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| Institution: | 1. Centre for Autonomous Marine Operations and Systems (NTNU AMOS), Department of Marine Technology, NTNU, Trondheim, Norway;2. CNR-INM, Institute of Marine Engineering, Via di Vallerano 139, 00128 Roma, Italy;1. State Key Lab of Ocean Engineering, Shanghai Jiao Tong University, Shanghai, China;2. COTEC USA, Houston, USA;3. Dept. of Marine Technology, Norwegian University of Science and Technology, Trondheim, Norway |
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| Abstract: | In this paper, general statistics of ship grounding incidents are considered and the damage extent distributions for Ro–Ro ships are presented from the results of a comprehensive damage data survey conducted using Lloyd's Register's damage database. Theoretical models and semi-empirical formulae based on parametric studies are used to study the damage extents of grounded ships. Two real life grounding accidents are assessed. One is a single hull VLCC grounded onto a single rock and the other is a cargo ship grounded onto multiple rocks. A simulation based on a simple multi-rock scenario has been conducted on a 304-m single hull tanker. Correlation is made between the present calculation method results, statistical results and IMO requirements. The paper concludes with the main findings from the study. |
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