世界最长海底高铁隧道技术方案准备就绪！甬舟铁路有望年底开建
<p>继港珠澳大桥后，又一项挑战世界难题、突破科技壁垒的超级跨海工程——甬</p><p> 金塘海底隧道海上钻探平台“海勘8号”全景<span word="The">The</span> <span word="technical">technical</span> <span word="proposal">proposal</span> <span word="for">for</span> <span word="the">the</span> <span word="Ningbo">Ningbo</span>-<span word="Zhoushan">Zhoushan</span> <span word="Railway">Railway</span>, <span word="China">China</span>'<span word="s">s</span> <span word="first">first</span> <span word="high">high</span>-<span word="speed">speed</span> <span word="rail">rail</span> <span word="with">with</span> <span word="an">an</span> <span word="undersea">undersea</span> <span word="segment">segment</span> <span word="connecting">connecting</span> <span word="the">the</span> <span word="Zhoushan">Zhoushan</span> <span word="Islands">Islands</span> <span word="in">in</span> <span word="East">East</span> <span word="China">China</span>'<span word="s">s</span> <span word="Zhejiang">Zhejiang</span> <span word="province">province</span> <span word="with">with</span> <span word="the">the</span> <span word="mainland">mainland</span>, <span word="has">has</span> <span word="been">been</span> <span word="completed">completed</span>, <span word="the">the</span> <span word="local">local</span> <span word="Ningbo">Ningbo</span> <span word="Evening">Evening</span> <span word="News">News</span> <span word="reported">reported</span> <span word="on">on</span> <span word="Saturday">Saturday</span>.</p><p>据《宁波晚报》8月1日报道，中国首条连接浙江舟山岛和大陆的跨海高铁工程——甬</p><p>【单词讲解】</p><p>高铁是<span word="high">high</span>-<span word="speed">speed</span> <span word="railway">railway</span>，而海底高铁隧道就是<span word="undersea">undersea</span> <span word="high">high</span>-<span word="speed">speed</span> <span word="railway">railway</span> <span word="tunnel">tunnel</span>。由于这条海底高铁隧道是甬舟铁路7月30日，历经2年多，由铁四院勘察设计的“隧道风险评估与金塘海底隧道关键技术方案”，通过了以中国工程院院士钱七虎为组长的专家组评审</p><p>作为甬舟铁路工程的一部分，金塘海底隧道全长16.2公里，海底盾构段长10.87公里，最大埋深78米，直径14米</p><p>港珠澳大桥越海隧道全长6.7公里，属沉管公路隧道</p><p>甬舟铁路建成后，将结束舟山群岛不通火车的历史，届时从宁波到舟山只要30分钟，从杭州至舟山只需80分钟</p><p>【相关词汇】</p><p>沿江高铁 <span word="high">high</span>-<span word="speed">speed</span> <span word="railways">railways</span> <span word="along">along</span> <span word="the">the</span> <span word="Yangtze">Yangtze</span> <span word="River">River</span></p><p>港珠澳大桥 <span word="Hong">Hong</span> <span word="Kong">Kong</span>-<span word="Zhuhai">Zhuhai</span>-<span word="Macao">Macao</span> <span word="Bridge">Bridge</span></p>
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