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Mega-Float: an Airport Island Model

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A large-scale experiment to develop the technology to design and construct such a mega-float is now in progress in Tokyo Bay. A floating structure is unaffected by water depth, soil conditions and even earthquakes. With properly engineered systems and services, mega floats also represent no threat to the ocean environment; indeed, they can even be dismantled or moved to another location if they are no longer needed, or desired, at a particular site. Ocean space utilization is an emerging discipline in Japan. Mega-floats can supplement land reclamation to create offshore infrastructure that is both highly functional and environmentally sound.

Keywords: Box-shaped steel pontoons; Durability; Mega-float structures; Mooring; Ocean space utilization

Document Type: Research Article


Publication date: February 1, 1998

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    Structural Engineering International (SEI), the quarterly Journal of IABSE, published since 1991, is the leading international journal of structural engineering dealing with all types of structures and materials. SEI offers its readers a unique blend of short profiles on recent structures, and longer, in-depth technical articles on research, development, design, construction and maintenance. Articles are written by practicing engineers and academia from around the world and reflect the high standards of IABSE. IABSE Peer Review stamps are given to papers that have passed through a highly selective review process and demonstrate a significant contribution to the state of structural engineering knowledge.To recognise contributions of the highest quality, an Outstanding Paper Award is presented each year.

    SEI is printed in Switzerland; ISSN 1016-8664; E-ISSN 1683-0350
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