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恩施紅旗大橋為(25+65+152+65+25)m五跨連續雙塔雙索面預應力混凝土自錨式懸索橋,體系轉換是自錨式懸索橋整個施工過程中最重要的一環.本文以該橋為實例,結合國內外同類橋梁施工經驗,介紹和總結體系轉換施工技術原理、施工方法和施工措施.
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