桥墩，由基础、墩身和墩帽组成。
Pier, which consists of foundation, pier body and pier cap.
•基础在桥墩的底部，埋在地面以下盖土网 防寒布 麻绳 油麻绳 麻刀 沥青麻绳 静压造型线 自动浇注机 铸铁拍门 钢制拍门 玻璃钢拍门。基础可以采用扩大基础、桩基础或沉井基础。
The foundation is at the bottom of the pier and buried below the ground. The foundation can be expanded foundation, pile foundation or open caisson foundation.
•扩大基础的材料多为浆砌片石或混凝土。墩身是桥墩的主体，上面小，下面大。墩身有实心和空心，实心桥墩以墩身的横断面形状来区分类型，如圆形墩、矩形墩、圆端形墩、尖端形墩等。墩身的材料多为浆砌片石或混凝土，在墩身顶部40cm高的范围内放有少量钢筋的混凝土，以加强与墩帽的连接。
The expansion foundation is mostly made of mortar rubble or concrete. The pier body is the main body of the pier, which is small at the top and large at the bottom. There are solid pier and hollow pier. The type of solid pier can be distinguished by the cross-section shape of pier body, such as round pier, rectangular pier, round end pier and tip shaped pier. The materials of pier body are mostly mortar rubble or concrete, and a small amount of reinforced concrete is placed within the range of 40cm high on the top of pier body to strengthen the connection with pier cap.