一、前言 上海市民丹线车辆渡口位于黄浦江中下游,是联系浦江两岸汽车运输的主要渡口。原有码头系斜坡式(斜坡坡度12％),斜坡中间设一列靠船墩,共五座(见图1)。墩体结构:近岸两座为重力式,其它为低桩承台式钢筋混凝土墩。该码头建于1958年,至1978年已经过几次修复,但均未能彻底解决问题,以致墩体发生位移和倾斜,基桩出现 I. Preface Shanghai Citizens Dan Line Vehicle Ferry is located in the middle and lower reaches of the Huangpu River and is the main ferry connecting the two sides of the Huangpu River. The original dock slope type (slope slope of 12%), set up a middle of the ramp piers, a total of five (see Figure 1). Pier body structure: Nearshore two for gravity, the other for the low-pile cap-type reinforced concrete pier. The pier was built in 1958 and has been restored several times in 1978, but none of them solved the problem completely, resulting in the displacement and inclination of the piers and the pile found