1·Tube joint is an important part of immersed tube tunnel.
管段接头是沉管隧道的重要环节。
2·At the same time, the construction method is presented of the final joint in Changhong immersed tube tunnel.
同时，介绍了常洪沉管隧道最终接头的施工方法。
3·This thesis focuses on the theory and the method, and studies all measurements required in the project of immersed tube tunnel.
本文重点在理论上和方法上对沉管隧道施工所需的各项测量工作进行了研究。
4·The utility model relates to tunnel class, particularly a piling base structure applied to the construction of immersed tube tunnels.
本实用新型涉及隧道类，特别涉及一种应用在沉管隧道工程中的桩基础结构。
5·Therefore, a study on Immersed tube tunnel underwater slope of reasonable foundation trench slope of the rate has very great significance.
因此，沉管隧道水下基槽边坡合理坡率问题的研究具有很重要的意义。
6·Based upon the exploration and analysis of Changhong immersed tube tunnel, Ningbo, the paper makes a preliminary study on the geotechnical exploration scheme of immersed tube tunnel in soft ground.
结合宁波市常洪隧道岩土工程勘察实例分析，对软土地基沉管隧道工程的岩土工程勘察方案设计进行了初步探讨。
7·Hashash explains that the immersed-tube design requires largeportions of the tunnel to be built on a dry dock that is floated outinto the water and sunk.
哈沙什解释说，沉管式的设计要求大部分的隧道建筑在干坞上，干坞漂浮并沉没在水里。