中国建全球最长跨海大桥和两人工岛 再次震惊世界
作者:aau 文章来源:互联网 日期: 2016.07.30
被英国《卫报》誉为“现代世界七大奇迹”之一的港珠澳大桥主体桥梁宣告成功合龙。这意味着,离港珠澳大桥最终“蛟龙出海”已为时不远。 作为连接香港、珠海和澳门的超大型跨海通道,从研究、设计、施工到最终接近完成,港珠澳大桥历经十余年的漫长的岁月。 最终,港珠澳大桥以64项创新技术,贡献予世界沉管隧道工程。中国是沉管隧道工程的后来者,然而,“如积薪耳,后来者居上”,这背后是中国工程人员的勤奋、智慧和不屈的斗志。 港珠澳大桥海底隧道管节安装完毕 对接误差仅3毫米 7月12日18时,港珠澳大桥海底隧道建设再下一城,直线段隧道的最后一段管节——E28沉管安装成功,隧道总长达4860米,对接误差仅3毫米,对接精度再创新纪录。 港珠澳大桥海底隧道由33节沉管对接而成,含28节直线段沉管和5节曲线段沉管,总长5664米。E28沉管长157.5米,是港珠澳大桥海底隧道的最后一节直线段沉管,位于隧道第二个最深点至东人工岛出口之间的大倒坡段,是整个隧道坡度比较大的管节。 -----------------------------------------------------------------------------![](http://img.mp.itc.cn/upload/20160707/7add72f8bb38467fb3e204c376e8f211_th.jpg)
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