Design, Fabrication and Erection of the Stiffening Girder of 3rd Kurushima Kaikyo Bridge -World's First Three-linked Suspension Bridges with Stiffening Box Girder of Over 1000m Long-

摘要

Kurushima Kaikyo Bridge, which consists of three bridges crossing the Kurushima Strait located within Seto Inland Sea National Park, is the first three-linked suspen- sion bridge in the world. Many advanced technologies Were adopted in the construction of the bridges. Espe- Cially, the introduction of a newly-developed self-position- Ing barge and a quick-joint-system enabled to install shop- Fabricated stiffening box girders merely in 30 min by Means of a direct hoisting method.