目前,我省大中桥梁水上作业居多,保证桥梁水中墩施工顺利完成的前提是围堰工程能满足施工要求。现浅谈一些围堰施工的方法。 At present, most of the large and medium-sized bridges in our province are hydraulically operated, and the precondition for the successful completion of construction of the bridge pier in the water is that the cofferdam project can meet the construction requirements. Now talk about some cofferdam construction methods.