方块码头结构方案的分析表明,单纯用块石棱体来降低墙背的填料压力是不合理的也是不经济的,因为棱体及倒滤层的造价约占码头总造价的35％,施工作业繁重且需从远距施工现场的地方采集砂石料。墙背的填 The analysis of the square wharf structure scheme shows that it is unreasonable and uneconomical to reduce the packing pressure on the back of the wall solely by the stone prism, because the cost of prism and inverted filter layer accounts for about 35% of the total cost of the wharf, and the construction work Heavy and need to collect sand and gravel from the remote construction site. Fill the back of the wall