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这类建筑全球超一半“最长”“最高”纪录在中国

2017-06-08 21:31:19   央视新闻客户端

△沉管实体

“看着眼前这面中国国旗,我们感慨万千!他们敬仰的不仅仅是中国的实力与中国的超级工程,还包括中国工程师的不懈努力,以及在沉管隧道技术方面的跨越,我们赢得了世界同行的尊重!”

自信源自制度优势

上个世纪90年代,当中国大陆开始第一条沉管隧道的建设时,美国、荷兰、日本的沉管隧道已经有近百条。“中国大陆迄今仅有20多年的沉管隧道历史。”林鸣说。在港珠澳大桥之前,全世界最长的公路沉管隧道不到4公里,港珠澳大桥沉管隧道达到了6.7公里。

△超级工程背后的超级工程师团队

中国的跨越和中国的自信究竟来自哪里?

“毫无疑问,是我们的制度优势。”林鸣坚定地说。曾经,技术封锁乃至昂贵的要价,对于科技实力薄弱的国家而言,最后的结果大多是无奈放弃或者被迫屈从。经过30多年改革开放,中国已经拥有强大的科学与技术的创新能力和体系。

“今天,中国可以做到过去不能做到的事情!”在林鸣看来,跨行业跨专业的集成创新更有爆发力,现在比的不只是某个专业或技术领域,比的更多是用系统控制和正确的思维方式,统筹解决复杂问题。

另外,中国在桥梁领域的突破和技术积累也有很大关系。在这方面,国家发展改革委和交通运输部在桥梁领域布局了我国唯一的国家工程研究中心:桥梁国家工程研究中心。中心主任张喜刚表示,该中心围绕国家和行业发展需求,建立了大跨度、大宽度、深水域及外海桥梁建设亟需的研发和工程化验证平台,对提升我国桥梁技术的核心竞争力有很大帮助。

中国桥梁开启超级桥梁建设时代

除了港珠澳大桥,去年通车的G56杭瑞高速北盘江大桥,是世界第一高桥;四川干海子特大桥,是世界第一座全钢管混凝土桁架梁桥;鹦鹉洲长江大桥,是世界跨度最大的三塔四跨悬索桥;湘西矮寨特大悬索桥,创下了四项世界第一。

△鹦鹉洲长江大桥

五年来,世界排名前10位的跨海长桥中,中国已经占据6座;世界排名前10位的斜拉桥,中国已经占据7座;世界排名前10位的悬索桥,中国已经占据6座。(资料来源:交通运输部、《桥梁》杂志)

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