9CaKrnQhJa2作者:china.huanqiu.comgallery世界最大跨度钢筋混凝土拱桥 全长721.25米/e3pmh1nnq/e3pn6eiep1517876100000责编:秦璐敏中新网151787610000011["9CaKrnQhJ9A","9CaKrnQhJ1y","9CaKrnQhIK6","9CaKrnQhIA2"]{"gallery":{"members":[{"desc":"2月4日,航拍位于贵州省关岭自治县与晴隆县交界处的沪昆高铁北盘江特大桥。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0206\/20180206081641592.jpg"},{"desc":" 该桥是世界最大跨度的钢筋混凝土拱桥、中国高铁铁路桥最大跨度桥梁。图为大桥拱圈内部结构复杂。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0206\/20180206081641616.jpg"},{"desc":"图为列车驶过大桥。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0206\/20180206081641961.jpg"},{"desc":" 大桥全长721.25米,为上承式劲性骨架钢筋混凝土拱桥,其445米的拱桥跨度,在目前世界同类型铁路拱桥中是跨度最大的。\r\n\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0206\/20180206081641255.jpg"},{"desc":"图为北盘江特大桥拱桥跨度为445米。\r\n","url":"\/\/himg2.huanqiucdn.cn\/attachment2010\/2018\/0206\/20180206081641338.jpg"}]}}//himg2.huanqiucdn.cn/attachment2010/2018/0206/08/16/20180206081636120.jpg