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厉害了,我的“中国桥”!

2017-10-12 14:30:48   海外网

摘要:“纵观世界桥梁建设史,上世纪70年代以前要看欧美,90年代看日本,而到了21世纪,则要看中国。”

被《卫报》誉为“新世界七大奇迹”之一的港珠澳大桥主体工程7月全线贯通。这座东接香港,西接珠海、澳门,全程55公里的大桥,不仅是世界上最长的跨海大桥,也是中国交通史上技术最复杂、建设要求及标准最高的工程之一。用港珠澳大桥岛隧项目总工程师林鸣的话说,拿下港珠澳大桥,世界上已经没有什么中国人不能造的桥。

一辆运输沥青的工程车辆行驶在港珠澳大桥桥面上。(图源:新华网)

在10月6日的《中国正在说》节目上,林鸣揭露了这项超级工程背后的故事。他介绍说,中国工程师完成了外海沉管、接头合龙等极具挑战性的工程,特别是接头合龙部分。一百多年来,全世界都没有找到特别好的接头合龙方法,最后还是中国工程师经过4年的研究和攻关,找到了办法。同时,按照传统的方法,完成这项安装至少需要8到10个月。但在新方法的指导下,实现贯通仅用了一天。林鸣激动的说道:“我们创造了一个中国速度。”

“纵观世界桥梁建设史,上世纪70年代以前要看欧美,90年代看日本,而到了21世纪,则要看中国。”这已是世界桥梁建筑领域公认的观点。据一个专门收集世界最高桥梁的网站统计,在世界前10名最高桥梁中,有8座在中国;而在2020年前将完工的世界铁路10座最高大桥中,有9座是中国建造的。以至于网站在介绍中感慨:“由于中国正处在有史以来最快的高速建设扩张中,未来很长时间我们都要盯着中国了”。

1957年,新中国成立后在长江上修建的第一座公铁两用桥,武汉长江大桥,是在前苏联的帮助下建造完成的。但50年后的今天,越来越多中国建造的桥梁出现在世界各地。美国旧金山-奥克兰海湾大桥、马来西亚槟城第二大桥、基甘博尼大桥等都成为当地地标性建筑。中国建桥技术赢得了海外媒体以及外国网友的称赞。

英国《每日电讯报》在文章《香港大桥:连接三座城市的工程奇迹》中称,港珠澳大桥的工程师面临着最复杂的挑战之一。他们需要考虑地质和地形条件以及风速和潮汐力量。

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