秦皇岛二期煤码头使用的沉箱尺寸为15×10×18.5米,因高度太大、重量太重,五处予制场不能一次予制,只能先在台座予制下部10米,其上部需在海上进行接高。我处承担了这一接高任务。在接高沉箱的施工中,我们在学习兄弟处沉箱制作工艺的基础上,对沉箱的制作工艺进行了一些改革:模板工程采用大片组合钢模板 Qinhuangdao II coal terminal caissons used for the size of 15 × 10 × 18.5 meters, due to the height is too large, the weight is too heavy, five to the system can not be a pre-made system, only the first to the base to the lower 10 meters, the upper part of the need Pick up at sea. I assumed this high pick up mission. In connection with the construction of high caissons, we learn from my brother at the caisson production process, based on the caissons of the production process for some reform: Formwork using a large steel plate template