罗斯托克是德意志民主共和国位于波罗的海沿岸的一个主要出口港。从1981年起开始扩建。 在一作业区新建了谷物与散货码头。采用了沉箱码头方案,这就使800 米长的码头得以在24个星期内建成,即每星期建成33米。若采用板桩岸壁方案,则每星期只能建成15米。钢筋混凝土沉箱,高13.5米,直径13米,壁厚300毫米,底厚800毫米,是在预 Rostock is a major export port of the German Democratic Republic on the Baltic Sea coast. Expansion since 1981. A new cereal and bulk terminal in a work area. Caisson pier scheme was used, which enabled the 800-meter pier to be completed in 24 weeks, or 33 meters per week. If the plank piles wall plan, only 15 meters per week can be built. Reinforced concrete caissons, 13.5 meters high, 13 meters in diameter, wall thickness 300 mm, bottom thickness 800 mm, is in the pre