The design and construction of the reinforced concrete sheet - pile and the impact from the constuction on the ancient sea embankment and the historic buildings therein are described in detail herein combined with the successful case of the application of reinforced concrete sheet - pile to the erosion control for the ancient sea embankment of qiantang river 摘要结合钢筋混凝土板桩在钱塘江明清海塘防冲工程中成功应用的实例,详细介绍了钢筋混凝土板桩的设计、施工及施工对海塘与海塘上古建筑的影响。