桥梁深水高承台基础的承台混凝土施工,采用吊箱式围堰的方法,在铁路桥梁方面,五十年代见于浙江的奉化、余姚两桥;七十年代中期见于上海黄浦江桥。两者的设计方式,大体相同。1978年底开工的广茂线肇庆西江大桥,其水中的2、3、4号墩均为四根大直径钢管柱高承台基础。承台混凝土的灌注,亦采用吊箱式围堰的施工方法。但在设计上有别于常例,采用了拆装式水密底板的结构方案。本 In the 1950s, it was found in Fenghua and Yuyao bridges in Zhejiang Province in the 1950s, and in Shanghai Huangpu River Bridge in the mid 1970s. The design of both, roughly the same. Zhaoqing Xijiang River Bridge started Guangqi Line at the end of 1978, the 2,3,4 pier in the water are four large-diameter steel pipe column cap foundation. Pillow concrete pouring, also used cofferdam cofferdam construction methods. However, different from the conventional design, the use of removable watertight floor structure program. this