【ABSTRACT】
Base on the data of O-river hydraulic project ,I designed the dam totally,including the layout of engineering,the design of discharge construction by storage routing which fixed on the characteristic stage of the reservoir.The progresss of the construction was planned .the factors of economic ,technology and safety are considered in the design.The optimum plan was finally selected.
【KEY-WORDS】:earth and rock dam, damsite selection ,choice of dam type, soil design, filtration routing,stability analysis,discharge construction,construction planning.