The Building of Latest Ultra-Large Container Ship

Abstract

In 1968, first container ship "Hakone-maru" 752TEU, N.Y.K. Co.,Ltd. operated in Japan. It was just an opening of the container transportation in Japan 50 years ago. The liner boat was the ship which carried general cargo navigated regularly between constant ports. New York regular line was famous, with around 10,000 gross tonner, the Pacific has been and return at high speed more than 18kt. The writer had an experience on liner "Koso-maru" of JAPAN LINE Co.,Ltd. as an 3^rd/engineer in 1967, and engaged in the New York route. It is the boarding experience of the cargo boat period to the pass which is precious, just now. The past days all dry cargo was each wrapped, and then enter the wooden box, loaded onto the hold. Of course there must be never the collapse of cargo accident by the unrest to get during the ocean voyage, it was necessary to fixed each in the dunnage-works. A traditional uneconomical physical-distribution system is swept away, and special vessel was developed. A traffic pattern was reformed with a box of a unified container with terminal and Gantry crane. The history of the container ship it was increased the number of the container could load at one time to planning economic promotion of efficiency. It is the history of so-called upsizing. The writer has experienced the actual spot as owner's inspector for the building of the large-scale container ship (20kTEU) from 2017. This paper considers the summary of the (1) world maximum-scale mega container ship and the characteristic and strength / the weak point in the (2) structure; with past major accident example.