针对黄河兰州段河道渠化整治与泄洪的关系 ,在对河道地形、河相关系、造床流量及河床演变规律等分析的基础上 ,通过模型试验研究提出了切实可行的中水整治宽度 2 4 0m、泄洪宽度 30 0m方案 .该方案的实施具有良好的经济、社会及环境效益 Based on the analysis of the river topography, the river facies, the bed flow rate and the evolution of the riverbed, aiming at the relationship between river channel regulation and flood discharge in the Lanzhou section of the Yellow River, a practical model of water reclamation width 240m , Flood discharge width 30m program.The implementation of the program has good economic, social and environmental benefits