Anchorages and Towers of the Akashi-Kaikyo Bridge, Japan
Abstract:When completed, the Akashi-Kaikyo Bridge will be the longest suspension bridge in the world. It is a 3-span truss-stiffened suspension bridge designed to carry a 6-lane highway. Its main span length of 1,990 m was determined in order to maintain the designated width of an international waterway (1,500 m) along the Akashi Straits, the additional margin allowing for construction work and for the positioning of the main piers at topographically and geologically favourable locations. The bridge has been designed to withstand violent winds (average speed: about 80 m/s for 10 min) as well as strong earthquakes with a magnitude of 8.5 on the Richter scale (epicenter distance: 150 km). The cable-pull to an anchorage and the vertical reaction to the tower-top are calculated to be 1.2 GN and 1.0 GN, respectively.
Document Type: Research Article
Publication date: 1993-11-01
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.
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