一、前言目前正在建设的大黑码头,是日本横浜港扩充建设的重要一环(图1)。码头岸壁自集装箱泊位算起,内外贸易泊位合计19个,其中有2个是钢铁泊位。这两个泊位的主要轮廓尺寸:设计水深为Y.P-7.5米(Y.P:横滨港工程基准面),总长260米。为使装卸方式适合目 I. Introduction At present, the construction of the Big Black Wharf is an important part of the expansion of Japan’s Yokohama Port (Figure 1). The wharf wharf has counted 19 container berths, of which 2 are steel berths. The main dimensions of the two berths are: Design depth Y.P-7.5 meters (Y.P: Yokohama Port Engineering datum) with a total length of 260 meters. To make loading and unloading suitable for the purpose