International Journal of Naval Architecture and Ocean Engineering

The Society of Naval Architects of Korea (대한조선학회)
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Ultimate strength performance of tankers associated with industry corrosion addition practices

  • Kim, Do Kyun (Civil Engineering Department, Universiti Teknologi PETRONAS) ;
  • Kim, Han Byul (Structure Research Department, Hyundai Maritime Research Institute, Hyundai Heavy Industries Co. Ltd.) ;
  • Zhang, Xiaoming (OPR Offshore Pipelines & Risers Inc.) ;
  • Li, Chen Guang (The Ship and Offshore Research Institute (Lloyd's Register Foundation Research Centre of Excellence), Department of Naval Architecture and Ocean Engineering, Pusan National University) ;
  • Paik, Jeom Kee (The Ship and Offshore Research Institute (Lloyd's Register Foundation Research Centre of Excellence), Department of Naval Architecture and Ocean Engineering, Pusan National University)
  • Published : 2014.09.30
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Abstract

In the ship and offshore structure design, age-related problems such as corrosion damage, local denting, and fatigue damage are important factors to be considered in building a reliable structure as they have a significant influence on the residual structural capacity. In shipping, corrosion addition methods are widely adopted in structural design to prevent structural capacity degradation. The present study focuses on the historical trend of corrosion addition rules for ship structural design and investigates their effects on the ultimate strength performance such as hull girder and stiffened panel of double hull oil tankers. Three types of rules based on corrosion addition models, namely historic corrosion rules (pre-CSR), Common Structural Rules (CSR), and harmonised Common Structural Rules (CSR-H) are considered and compared with two other corrosion models namely UGS model, suggested by the Union of Greek Shipowners (UGS), and Time-Dependent Corrosion Wastage Model (TDCWM). To identify the general trend in the effects of corrosion damage on the ultimate longitudinal strength performance, the corrosion addition rules are applied to four representative sizes of double hull oil tankers namely Panamax, Aframax, Suezmax, and VLCC. The results are helpful in understanding the trend of corrosion additions for tanker structures.

Keywords

Acknowledgement

Supported by : National Research Foundation of Korea (NRF)

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