园管内力计算

1、工程完建无水基本参数表内力计算基本参数工况1砼重度25水的重度10管子长度100管内半径0.75管外半径1.25平均半径1管壁厚度0.5填土湿重度18.83填土浮重度8.83回填土内摩擦角11.7回填土垂直压力系数1.372 (查表)回填土水平压力系数0.813552坝顶填土高度13.9 H埋管中心线以上填土高度15.15埋管突出地面以上高度2.13H/D15.56填埋土的饱和重度19.13埋管垂直土压力作用分项系数1.2埋管侧向土压力作用分项系数1.2静水压力作用分项系数1.05混凝土结构自重的作用分项系数1.05涵管外轮廓宽度D12.5荷载计算表序号荷载荷载备注1 自重182.4252 垂

2、直土压力G21077.3093 侧向土压力管G3482.60814 管内水重18.54563输水管内力计算表项次荷载名称系数内力值符号数值乘数工况11自重G1G1Ma0.044G1rc3.627Mb0.0443.627Mc-0.048-3.956Na0.319G126.294Nb-0.001-0.082Nc0.2520.6062垂直均布土压力G2G2Ma0.099G2rc106.654Mb0.114122.813Mc-0.111-119.581Na0.292G2314.574Nb0.02628.010Nc0.5538.6553侧向土压力G3G2Ma-0.085G2rc-41.022Mb-0.1

3、65-79.630Mc0.12560.326Na0.21G2101.348Nb0.79381.260Nc00.0004管内水重G2Ma0.044G2rc0.816Mb0.0440.816Mc-0.048-0.890Na-0.159G2-2.949Nb-0.16-2.967Nc-0.069-1.280设计开闸门设计洪水位170.33校核洪水位171.72MA内壁顶高程157.71MB外壁顶高程158.21MCP内水压力121.2NAN-90.9NBM3.154988NCP内水压力135.1N-101.325M3.516822校核开闸门校核P130.1N97.575MAM-3.38667MBMC设

4、计P116.2NAN87.15NBM-3.02483NC1自重G1G1rc设计关闸门MAMBMCNANBNC校核关闸门MAMBMCNANBNC低水位检修MAMBMCNANBNC计算断面I管节编号I工况1ABC弯矩M65.87243.423-66.598内力N539.791506.763656.836fc10rd1.2大偏心受压构件计算工况1fy210ABCfy210e0MN122.0324692 85.6869546 101.3927482截面高度500500500截面宽度1000100010000a4704704700.301411411410.00010.00010.0002e394.99

5、26063 358.647092 374.3528853AsAs-7403.44091 -7812.0673-6979.088503最小配筋率配筋117511751175实际配筋AsAs-363.888202 -11020.802-601.5202858实际配筋Asas303030 x32.45822548 23.9123181 41.51339352bh0288.58288.58288.58小偏心受压构件计算As940940940A375037503750B293754.1556 293754.156 293754.1556C-157741016 -202503004-188302121.2

6、x169.6349394196.49116 188.3145811e474.0649384 401.373909 432.7854963As-1936.27651 -3214.4623-2007.429174素混凝土构件计算ABCe0MN122.0324692 85.6869546 101.3927482yc=h/2250250250e0yc受压构件第二种方法1.551.551.551441.892662 23708.1476302.0688771079.581295 1013.52604 1313.671992不满足压力分项系数 备注1460.807965 1774.93485 1624.0

7、26221标准值乘以分项系数是设计值a代表管底701.727842 658.791927 853.88679481b代表管顶c代表管侧输水管内力计算表内力值e0yc受压构件第一种方法1842.732444 2366.10785 2139.944426701.727842 658.791927 853.886794811301.4411.766255.86水管自重管内水重垂直土压力侧向土压力设计水位内水压力设计水位外水压力3.6270.816106.654-41.0223.155-3.0253.6270.816122.813-79.6303.155-3.025-3.956-0.890-119.5

8、8160.3263.155-3.02526.294-2.949314.574101.348-90.90087.150-0.082-2.96728.010381.260-90.90087.15020.606-1.280538.6550.000-90.90087.150水管自重管内水重垂直土压力侧向土压力校核水位内水压力校核水位外水压力3.6270.816106.654-41.0223.517-3.3873.6270.816122.813-79.6303.517-3.387-3.956-0.890-119.58160.3263.517-3.38726.294-2.949314.574101.348

9、-101.32597.575-0.082-2.96728.010381.260-101.32597.57520.606-1.280538.6550.000-101.32597.5751水管自重管内水重垂直土压力侧向土压力设计水位内水压力设计水位外水压力3.6270106.654-41.0220-3.0253.6270122.813-79.6300-3.025-3.9560-119.58160.3260-3.02526.2940314.574101.348087.150-0.082028.010381.260087.15020.6060538.6550.000087.150水管自重管内水重垂直土

10、压力侧向土压力校核水位内水压力校核水位外水压力3.6270106.654-41.0220-3.3873.6270122.813-79.6300-3.387-3.9560-119.58160.3260-3.38726.2940314.574101.348097.575-0.082028.010381.260097.57520.6060538.6550.000097.575水管自重管内水重垂直土压力侧向土压力3.6270106.654-41.0223.6270122.813-79.630-3.9560-119.58160.32626.2940314.574101.348-0.082028.0103

11、81.26020.6060538.6550.000荷载组合设计洪水位工作闸门开启设计洪水位工作闸门关闭校核洪水位工作闸门开启校核洪水位工作闸门关闭低水位检修MA70.20566.23459.67465.87265.796MB47.75643.78540.59243.42344.469MC-63.972-66.237-54.376-66.598-60.051NA435.517529.366370.189539.791420.105NB402.471496.338342.100506.763388.729NC554.231646.411471.097656.836531.298混凝土 强度等级管壁

12、厚（cm）荷载组合部位弯矩(KNm)轴向力(KN)C2050荷载组合管顶A65.872539.791C2050荷载组合管底B43.423506.763C2050荷载组合管侧C-66.598656.836401.92当e00.3h0当e00.3h0按双筋计算混凝土强度设计值b0.614As0按照最小配筋率进行配筋与原配筋比较看是否满足12e0判断为大偏心565h=300mmAs0按构造配筋rm受拉区Nu(KN)rdN(KN)受拉区承载力不满足要求Nu(KN)受压区rdN(KN)rdNNu受压区承载力不满足要求Nu只做受压计算rdNrdNNu受压区承载力不满足要求可按大偏心受压构件计算可按小偏心受压构件计算1.2一级钢筋二级钢筋0.6140.544sb0.4260.395fy210310fy210310fc7.5 C150C10C15C20C25C30C35抗压(N/mm2)57.51012.51517.