某项目防洪评价报告(送审稿)XX 勘测设计研究院北京分院二〇一七年三月某项目防洪评价报告批 准:核 准:校 核: 编 制:目 录1 基本情况...............................................................31.1 建设项目概况........................................................31.2 评价依据............................................................51.3 技术路线及工作内容..................................................62 基本情况...............................................................82.1 建设项目概况........................................................82.2 河道基本情况.......................................................122.3 现有水利工程及规划实施安排.........................................153 河道演变..............................................................163.1 河道历史演变概况...................................................163.2 河道近期演变分析...................................................193.3 河道演变趋势分析...................................................193.4 河道演变分析结论...................................................224 防洪评价计算..........................................................244.1 水文分析计算.......................................................244.2 漂流工程河道水面线分析计算.........................................264.3 漂流工程河道行洪影响...............................................284.4 冲刷分析计算.......................................................294.5 河势影响分析.......................................................315 防洪综合评价..........................................................325.1 漂流工程布置评价...................................................325.2 漂流工程防洪安全评价...............................................325.3 与现有水利规划的关系与影响分析.....................................335.4 与现有防洪标准、有关技术要求和管理要求.............................335.5 对河道泄洪的影响分析...............................................335.6 对河势稳定...