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----目录第一章综合说明············································1概况··············································1工程建设的必要性·································1水文气象·········································3设计洪水··········································3工程地质··········································3工程任务和规模···································7工程布置和主要建筑物·····························9水力机械·········································15工程管理·········································17施工组织设计·····································17水库淹没处理···································19环境影响评价···································19工程数量和投资估算·····························20经济评价······································20附表**县**水利水电枢纽工程特性表·················21基本情况···········································25自然地概况·······································25社会经济概况·····································25资源概况·········································26水文················································29流域概况········································29气象·············································30设计洪水·········································31泥沙·············································39水面蒸发及渗漏·································40工程地质···········································42前言············································42区域地质概况·····································42水库区工程地质条件及评价························43坝址区工程地质条件及评价························45引水渠线的工程地质条件及评价·····················47引水隧洞的工程地质条件及评价·····················47电站站址及建筑物的工程地质条件及评价·············47天然建筑材料·····································48结论及建议·······································48工程任务及规模·····································50工程任务········································50基本资料········································54水库死库容和死水位的确定·························55兴利调节计算·····································56电站设计水头确定方法····························61防洪计算·········································62坝顶高程确定·····························6