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using the concrete which strengthened the tolerance over the power which boils the concrete bridge adopted and is called weak point of concrete, and which is pulled I hear that it excels in earthquake resistance and is again constructed in the bridge characterized by the structure which cannot crack easily by making it the structure which unifies a simultaneous bridge pier and a bridge beam. Ejima Ohashi who has mainly spread in the object for carriage ways, goes across Nakaumi, and connects Sakaiminato-shi, Tottori to Yatsuka-cho, Shimane The Hamana Ohashi of the national highway No. 1 line bypass over Hamanako in Shizuoka Prefecture etc. is typical. Tokai Hokuriku National Expressway and a Washimikawa bridge are proud of the No.1 height of Japan at 118m in height of a bridge pier. It is said that this concrete bridge is leading as alternatives of the Amarube iron bridge now. |