项目初包装新津县杨柳河堤防整治项目目录第一章总论................................................................................................11.1项目概况.............................................................................................................................11.2可行性研究范围及编制依据.............................................................................................31.3可行性研究结论及建议.....................................................................................................3第二章背景及必要性................................................................................52.1项目建设背景.....................................................................................................................52.2项目建设必要性.................................................................................................................7第三章水文..............................................................................................103.1流域概况...........................................................................................................................103.2气候特征...........................................................................................................................103.3基本资料...........................................................................................................................113.4洪水..................................................................................................................................143.4.1洪水特性................................................................................................................143.4.2设计洪水................................................................................................................143.4.3分期洪水................................................................................................................183.4.4支沟洪水................................................................................................................193.5泥沙..................................................................................................................................213.5.1泥沙来源................................................................................................................213.5.2悬移质泥沙............................................................................................................213.5.3推移质泥沙............................................................................................................213.6控制断面水位流量关系...................................................................................................223.6.1控制断面选择........................................................................................................223.6.1控制断面水位流量关系........................................................................................22第四章工程地质......................................................................................234.1区域地质概况...................................................................................................................234.1.1地形地貌................................................................................................................234.1.2地层岩性.............................
