一、工程概况东海大桥港桥连接段海堤工程是东海大桥的一部分,海堤结构形式为斜坡式抛石堤,由基础、堤身、护面和上部结构四部分组成,堤顶宽度49.5～71.5m。整个海堤地基土质主要由粉砂夹粉质黏土、淤泥质黏土和灰色黏土组成。海 First, the project overview Donghai Bridge Harbor Bridge connecting section of the seawall project is part of the East China Sea Bridge, the structure of the seawall structure for the sloping dike, composed of the foundation, the dike body, retaining surface and the upper structure of four parts, the dike width of 49.5 ~ 71.5m. The whole seawall foundation soil consists mainly of silt clip silty clay, silt clay and gray clay. sea