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(原标题:【砥砺奋进的五年·重大工程】中国桥梁 世界点赞)
央视网消息:这五年来,全球超过一半的大跨度桥梁都出现在中国,“最长、最高、最大、最快”这样的纪录,不断被写进世界桥梁史,它们不仅让“天堑变成通途”,更让“中国桥”成为展示中国形象的新品牌。
港珠澳大桥
记者在港珠澳大桥东的人工岛上
记者赵中良说,这里是位于伶仃洋上的港珠澳大桥东人工岛。在我身后的隧道里,港珠澳大桥的海底隧道正在进行最终接头的钢封门拆卸工作,当这项工作完成之后,就将意味着这项全世界最大规模的跨海桥岛隧工程主体部分全面贯通。
作为目前世界上在建的最长跨海大桥,全长55公里的港珠澳大桥拥有世界上最长的海底隧道,组成隧道的33根沉管,每一节都堪比一艘航空母舰的体量。
港珠澳大桥管理局工程管理部副部长景强说,我们施工的时候就像一个舰队,高峰时期这个海域几百条船(协同施工)。
建造这样一座大桥的背后,是中国人要解决超长的跨海距离、超深的海水深度、超级台风、洋流冲击和海浪冲刷等一系列世界性的难题。
港珠澳大桥管理局党委副书记韦东庆说,在伶仃洋上我们打造了一座超级工程,也体现了我们国家在基础设施建设方面的能力和实力。
北盘江大桥
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