Japan Spans the Inlandby Dennis Normile, (M.ASCE), Freelance Writer; Copo Hiyoshi 101, 3-30-3 Shimouma, Setagaya, Tokyo 154,
Serial Information: Civil Engineering—ASCE, 1988, Vol. 58, Issue 4, Pg. 60-63
Document Type: Feature article
Japan recently opened the Kojima-Sakaide Route, a 13.1 km series of bridges across the Inland Sea. The route connects two of Japan's four main islands—Honshu and Shikoku. The route skips between five islands and contains five bridges. The route took 20 years to design and nine years to build. Design had to counter earthquake movements and typhoon winds. The upper deck contains four highway lanes. The lower deck carries two high speed rail lines. Design of the route required writing construction standards, as Japan had no long-span bridges in the 1950s. The Japan Society of Civil Engineers played an important role in coordinating the design and planning of the route.
Subject Headings: Bridge design | Infrastructure construction | Decks | Bridges | Islands | Seismic design | Seas and oceans | Design/Build | Japan | Asia
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