水泵安装高程计算

泵站名称水泵型号H额Q额H允真H最低Q最低D进V进V进2/2gΔh允Pa/γP汽/γ32Sh-1932.51.534.3525.41.7951.21.5880.1285182.8710.20.33珠石300S32A0.160.351.6640.1411015.810.270.33大屯桥350S160.360.42.8660.4187234.510.270.33水泵安装高程计算管道磨擦阻力系数f进水管长L管径指数b流量指数mh进程ξ进ξ弯ξ渐缩局部阻力系数ξh进局h进损H允吸水泵中心至水泵基础顶高h1水泵基础顶至泵房地面高h2安全超高h30.00178155.11.90.0320.750.1930.2252.740.80.30.20.0017810.35.11.90.1190.20.60.0050.8050.2270.3463.7940.510.30.30.00178135.11.90.3550.20.60.0050.8050.6741.034.410.620.30.3水泵安装高程计算hH效吸最低水位安装高程机组基础顶高程泵房地面高程1.31.441.112.6841.223.1946.751.1水泵安装高程计算压力钢筋结构计算设计水头H（m)管内径D0（cm)钢钢管允许应力[σ]（N/mm2)管壁厚计算值δ（mm)考虑锈蚀等后的管壁厚度（mm)外径D1(mm)6028012009.3333333314最小厚度δ（mm)径向内水压力Pws(Mpa)管内径D0（m)管壁厚（m)径向内水压力产生的管壁环向应力σθ(Mpa)径向内水压力产生的管壁径向应力σr(Mpa)钢管自重轴向分力A1伸缩节处钢管端面的内水压力A60.62.80.01460-0.6-386-35.5724321、钢筋壁厚初拟2、管壁应力计算钢管最小厚度表870以下920~15301630~40404240~60406240~705068101214伸缩节填料对管壁的摩擦力A7支墩对钢管的摩擦力A8-190.5666-431.5711678钢管最小厚度表