水工建筑物计算书——宁村水库重力坝初步设计.doc

《水工建筑物》 课程设计计算书 ——宁村水库重力坝初步设计 班　级：　水利水电工程？？　 学　生：　　 ？？？ 　　 指导教师：　？？？　 完成时间：　？？？　　　 ？？大学土木建筑工程学院 目录 一、工程等级的确定·····························································3 （一）·········································································3 （二）···································································3 二、孔口尺寸拟定及设计洪水位、校核洪水位的确定·····················3 （一）···························································3 （二）···············································3 （三）·······································4 三、挡水坝设计······································································ （一）坝顶高程的确定····························································4 （二）建基面高程的确定························································5 （三）坝顶宽度的确定····························································5 （四）上下游坝坡坡率及起坡点位置的确定································5 （五）坝体强度稳定承载力极限状态设计····································6 坝体上游面拉应力的正常使用极限状态设计························6 坝体应力分析·······························································6 四、溢流坝设计······································································6 （一）溢流坝断面设计····························································6 （二）消能防冲设计·······························································8 （三）导墙设计·····································································9 （四）坝体强度稳定极限状态设计··············································9 （五）坝体正常使用极限状态合计··············································9 五、大坝剖面优化和应力稳定分析··············································10 六、工程量与开挖量计算····························································10 七、附表·················································································11 （一）附表一：挡水坝电算方案···············································11 （二）附表二：溢流坝电算方案················································21 宁村水库重力坝初步设计计算书 一、工程等级的确定 原理： 拟定泄水建筑物，进行调洪计算，求得校核洪水位，再根据附图1（宁村水库水位~库容关系曲线）查得水库总库容，最终根据规范《水利水电工程等级划分及洪水标准》SL252-20