新中国成立后,黄河下游共经历三次规模较大的修堤。1998年夏季又一次大规模开展黄河下游防洪工程建设,河南黄河堤防道路工程为其重要组成部分,现将前期工作情况综述如下。1 河南黄河大堤概况河南境内临黄堤总长533.494km,其中左岸堤长365.535km,右岸堤长167.959km。现有黄河大堤是在历代堤防和民埝基础上多次培 After the founding of New China, the lower Yellow River experienced a total of three larger repair dike. In the summer of 1998, another large-scale flood control project was launched in the lower reaches of the Yellow River. The embankment road project in the Yellow River in Henan Province was an important part of the project. The previous work is summarized as follows. 1 The Yellow River Embankment in Henan Province Overview The Yellow River embankment in Henan Province has a total length of 533.494km, of which 365.535km in the left bank and 167.959km in the right bank. The existing Yellow River embankment is built on the basis of the dike and the public on many occasions