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(原标题:港珠澳大桥海底隧道今日贯通提前穿越“海底巨龙”)
(来源:珠海发布)
全长6.7公里的海底隧道到底长啥样?
发布君提前为你揭晓:
目前,港珠澳大桥主体桥梁工程已经和岛隧工程的桥梁部分打通连为一体,发布君驱车经由珠澳口岸人工岛进入主体桥梁,然后一路往东向海底隧道进发。
(▲图/陈新年资料图)
天公作美,前一天还是瓢泼大雨,昨日上午已是艳阳高照,海天一色。全长22.9公里的主体桥梁犹如一条柔软的彩带,在大海上舒展开来。
(▲图/陈新年资料图)
桥面铺装工程已进入尾声,黑黝黝的沥青路面安静舒适。一路迤逦而行,穿过九洲航道桥的“风帆”主塔……
穿过江海直达船航道桥的“海豚”主塔,再穿过青州航道桥的“中国结”主塔,一座蚝贝形的人工岛犹如明珠缀在海面上。这就是港珠澳大桥的西人工岛。
(▲西人工岛效果图)
为了给珠江口这条世界上最繁忙的航道让出通道,港珠澳大桥主体工程中6.7公里采用海底隧道。这是国内首条外海沉管隧道,也是当今世界上埋深最大、综合技术难度最高的沉管隧道。两个面积各为十万平方米的人工岛,承担着桥隧转换的功能。
(▲正在建设中的西人工岛)
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