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根据岙山成品油码头工程地质勘察所得的资料，选择边坡较陡的地段，采用折线法、圆弧条分法和总应力极限平衡法，对在自重、地震力和波浪力等因素作用下的边坡稳定性进行验算分析。结果表明，海底边坡较陡地段浅层土体的稳定性较差，土体滑动面可能发生在海底下９～１２．５ｍ处。对地层的作用波浪力较地震力要小，但两者均可能成为边坡土体滑动的诱因。
According to the data obtained from geological survey of Dangshan Oil Product Terminal project, the section with steep slope is selected, and the method of fold line, arc section and total stress limit balance method is adopted. Under the influence of dead weight, seismic force and wave force The slope stability check analysis. The results show that the stability of the shallow soil in the steep section of the seabed is poor, and the sliding surface of the soil may occur at 9 ~ 12.5m below the sea floor. The role of the formation of wave force than the seismic force is small, but both may become slippery slopes incentives.