在大跨隧道的修建中，选择一套合理的设计和施工方案是十分重要的。

It is quite important to choose a rational design and construction scheme for construction of large span tunnel.

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厦门梧村山浅埋大跨隧道，要求下穿浦南片区密集建筑群，其工程难度国内外罕见。

Wucunshan Tunnel of Xiamen which is designed as shallow large span structure needs to go through dense buildings in Punan territory, and construction difficulties is unusual both at home and abroad.

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大跨隧道所处工程地质和水文地质条件； 施工安全等对施工方法的选择具有决定性的影响；

The results show that some terms such as the importance of the engineering, geology and hydrologic conditions have critical role to employ which construction method in big span tunnel;

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