随着水上起重能力的不断增加,重力式方块码头的断面型式有了很大改进。但仍存在许多不足之处。一是实心块体分块多,码头墙体纵横缝多;二是抛石量大,工序多,工期长;三是方块断面由于受稳性控制,尺寸较大,混凝土本身的材料强度特性得不到充分 As the water lifting capacity continues to increase, the cross-section pattern of the gravity cube wharf has been greatly improved. But there are still many shortcomings. First, the block of solid blocks and more, the vertical and horizontal quilts dock wall; second is the amount of stone throwing, the process and more long duration; Third, due to the stability of the square section control, large size, the concrete material strength characteristics Not enough