目 录第一章 概 述.......................................................31.1 项目背景........................................................31.2 评价依据........................................................41.2.1 相关法律、法规..............................................41.2.2 技术标准及规程法律规范......................................51.2.3 项目相关资料................................................51.3 评价河段范围与洪标准............................................51.3.1 评价河段范围................................................51.3.2 评价河段防洪标准............................................61.4 技术路线及工作内容.............................................71.4.1 技术路线....................................................71.4.2 工作内容....................................................7第二章 基本情况.....................................................92.1 建设项目工程概况...............................................92.1.1 建设项目的名称及地点.......................................92.1.2项目建设的必要性.........................................92.1.3项目特征................................................102.1.4拟建工程防洪标准........................................132.2 河道基本情况...................................................132.2.1 河道现状概况...............................................132.2.2 气象特征...................................................152.2.3 水文特征...................................................152.2.4 地形和地质.................................................172.2.5 社会经济...................................................182.3 现有水利工程及其他设施情况.....................................192.3.1 现有水利工程...............................................192.4 水利规划及实施情况.............................................20第三章 河道演变....................................................223.1 天然情况下管道河段河床演变分析.................................223.2 拟建工程...
