航道是在水域内供船舶及排、筏航行的线路。航道是水运的基础设施，可分为天然航道和人工航道（运河）。航道工程是开拓航道和改善航道航行条件的工程。
介绍了近代历史海图在港口航道工程中应用的一个实例。
In this paper, an example is given on using modern historic chart for port and waterway engineering.
新型轻质模型沙—沥青沙已成功用于长江口深水航道工程泥沙模型。
A new light model sand-asphaltic sand was used in the Yangtze river estuary sediment model, the applied result is successful.
评价航道工程在经济上是否可行，最重要的一个评价指标就是经济内部收益率。
To evaluate feasibility of a waterway project, the most important index is EIRR, which is calculated based on the economic benefit, investment and maintenance expenditure.
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