港口透水与非透水构筑物结合结构的稳定性研究

Study on Stabilization of Combination of Permeable and Impermeable Structures

为了达到国家围填海管控的要求,基于北部沿海的水文、地质情况,采用了沉箱墩式结构。文章以某北部港口透水构筑物结构为例,通过整体物理模型试验,得到码头上部梁板、沉箱、引桥等结构波浪水平力、浮托力、泊位前波高、码头、引桥面上水等数据,确定了码头稳定性,最终认为沉箱墩式结构顶标高可采用与顺岸结构相同,可供其他北部沿海港口参考。

In order to meet the requirements for the management and control of sea reclamation by Chinese government,caisson dolphin structure is selected by referring to the oceanographic and geological conditions covering China northern coastal area.Based on the permeable structure in a port in North China,an overall physical model test is made to obtain such data as wave horizontal force and buoyancy force of the upper beams&slabs,caissons and bridge approach,wave height in front of berth,wave overtopping wharf and bridge approach.And the stability of berth structure is determined.Finally,it is concluded that the top elevation of caisson dolphin structure can be the same as that of quay structure,which can serve as a reference for other northern coastal ports in China.