…The American suspension bridges were in a golden age, breaking records one after another. In 1931, the George Washington Bridge was completed, with a span of over 1 km, and in 1937, the Golden Gate Bridge (1,280 m), which held the title of world's longest span for a quarter century, was completed. In 1917, the Quebec Bridge (cantilever truss type, 548 m), which had the longest span in the world for a long time among bridges other than suspension bridges, was built in Canada. In 1931, the Bayonne Bridge (USA, 504 m) was built, and the following year, the Sydney Harbour Bridge (Australia, 503 m) was built, both of which were steel arch bridges. However, even at this time, accidents involving bridges continued to occur. … *Some of the terms mentioned in "Quebec Bridge" are listed below. Source | Heibonsha World Encyclopedia 2nd Edition | Information |
…とくにアメリカのつり橋はまさに黄金時代を迎え,次々と記録を更新して,1931年にはついに1kmを超す支間のジョージ・ワシントン橋George Washington Bridgeが,37年には以後四半世紀にわたり世界一の座を保ったゴールデン・ゲート橋(支間1280m)が完成した。またつり橋以外の橋のなかで長い間世界最長支間を誇ったケベック橋Quebec Bridge(カンチレバー・トラス形式,548m)が1917年カナダに,鋼アーチでは31年にベイオウン橋Bayonne Bridge(アメリカ,504m)が,翌年にはシドニー・ハーバー橋Sydney Harbour Bridge(オーストラリア,503m)が建設された。しかしこのころでも橋にまつわる事故は繰り返されている。… ※「Quebec Bridge」について言及している用語解説の一部を掲載しています。 出典|株式会社平凡社世界大百科事典 第2版について | 情報 |
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