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Overview of Japanese Joint Research Project on Safety-Related Issue of Extremely Thick Steel Plate Applied to Large Container Ships

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概要 A national joint research project, which is focusing on the safety-related issue of extremely thick steel plate applied to hull of large container ships, was conducted from April 2007 to March 2009 or...ganized by the Japan Ship Technology Research Association (JSTRA) supported by the Japanese Government in collaboration with universities, research institute, classification societies and relevant industries including shipbuilding, steel manufacturing and shipping.
This project consisted of the three working groups of experts, whose tasks were 1) Study of the arrest design of brittle crack propagation, 2) Study of the fatigue crack growth from embedded flaws in butt welds and the consequent brittle crack initiation, 3) Study of the NDT technology for welding joints of extremely thick plates.
The joint research project made practical recommendations to prevent brittle fracture of hull in large container ships. Overview of the working group activities and the recommendations are presented in this paper.
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登録日 2022.07.26
更新日 2022.07.26