The shantou bay suspension bridge is the first mordern suspension bridge in china its substructures are mainly towers and anchorages this paper presents some of the key techniques of the substructures construction ， including the cable anchorage system setup ， the hydrated heat control in the anchorage ， construction of the foundation and bearing plate of the tower in the ocean ， the control of tower construction ， etc 汕头海湾大桥是我国第一座现代悬索桥下部结构主要包括索塔和锚碇本文介绍了该桥下部结构施工的一些关键技术环节，包括主缆锚碇锚固系统的安装，大体积混凝土的温控防裂，主塔基础和承台的海上施工，塔柱滑模施工控制等
