在各种先进技术的推动下,我国船坞工程获得了很大的发展,对经济的发展和社会的稳定起到了积极的促进作用。本文笔者以我国规模最大的船坞工程--中船长兴造船基地为例,分析了在水上深基坑围护法的基础上的特大型船坞口的设计,结合其地理条件进行了施工方案的设计,重点探讨了创新设计过程中的重点和难点,目的是为船坞工程和水上基坑围护工程的施工提供参考和借鉴。 Driven by various advanced technologies, great achievements have been made in the development of the shipyard in our country, which has played a positive role in promoting economic development and social stability. Taking the Changxing Shipbuilding Base of CSSC CSSC as an example, this paper analyzes the design of large-sized dock on the basis of fencing method of deep foundation pit on water and the design of construction scheme in combination with its geographical conditions , Focusing on the key points and difficulties in the process of innovation design, the purpose is to provide reference and reference for the construction of dock engineering and water retaining pit project.