園管內(nèi)力計算

1、工程完建無水基本參數(shù)表內(nèi)力計算基本參數(shù)工況1砼重度25水的重度10管子長度100管內(nèi)半徑0.75管外半徑1.25平均半徑1管壁厚度0.5填土濕重度18.83填土浮重度8.83回填土內(nèi)摩擦角11.7回填土垂直壓力系數(shù)1.372 (查表)回填土水平壓力系數(shù)0.813552壩頂填土高度13.9 H埋管中心線以上填土高度15.15埋管突出地面以上高度2.13H/D15.56填埋土的飽和重度19.13埋管垂直土壓力作用分項系數(shù)1.2埋管側(cè)向土壓力作用分項系數(shù)1.2靜水壓力作用分項系數(shù)1.05混凝土結(jié)構(gòu)自重的作用分項系數(shù)1.05涵管外輪廓寬度D12.5荷載計算表序號荷載荷載備注1 自重182.4252 垂

2、直土壓力G21077.3093 側(cè)向土壓力管G3482.60814 管內(nèi)水重18.54563輸水管內(nèi)力計算表項次荷載名稱系數(shù)內(nèi)力值符號數(shù)值乘數(shù)工況11自重G1G1Ma0.044G1rc3.627Mb0.0443.627Mc-0.048-3.956Na0.319G126.294Nb-0.001-0.082Nc0.2520.6062垂直均布土壓力G2G2Ma0.099G2rc106.654Mb0.114122.813Mc-0.111-119.581Na0.292G2314.574Nb0.02628.010Nc0.5538.6553側(cè)向土壓力G3G2Ma-0.085G2rc-41.022Mb-0.1

3、65-79.630Mc0.12560.326Na0.21G2101.348Nb0.79381.260Nc00.0004管內(nèi)水重G2Ma0.044G2rc0.816Mb0.0440.816Mc-0.048-0.890Na-0.159G2-2.949Nb-0.16-2.967Nc-0.069-1.280設(shè)計開閘門設(shè)計洪水位170.33校核洪水位171.72MA內(nèi)壁頂高程157.71MB外壁頂高程158.21MCP內(nèi)水壓力121.2NAN-90.9NBM3.154988NCP內(nèi)水壓力135.1N-101.325M3.516822校核開閘門校核P130.1N97.575MAM-3.38667MBMC設(shè)

4、計P116.2NAN87.15NBM-3.02483NC1自重G1G1rc設(shè)計關(guān)閘門MAMBMCNANBNC校核關(guān)閘門MAMBMCNANBNC低水位檢修MAMBMCNANBNC計算斷面I管節(jié)編號I工況1ABC彎矩M65.87243.423-66.598內(nèi)力N539.791506.763656.836fc10rd1.2大偏心受壓構(gòu)件計算工況1fy210ABCfy210e0MN122.0324692 85.6869546 101.3927482截面高度500500500截面寬度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實際配筋A(yù)sAs-363.888202 -11020.802-601.5202858實際配筋A(yù)sas303030 x32.45822548 23.9123181 41.51339352bh0288.58288.58288.58小偏心受壓構(gòu)件計算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素混凝土構(gòu)件計算ABCe0MN122.0324692 85.6869546 101.3927482yc=h/2250250250e0yc受壓構(gòu)件第二種方法1.551.551.551441.892662 23708.1476302.0688771079.581295 1013.52604 1313.671992不滿足壓力分項系數(shù) 備注1460.807965 1774.93485 1624.0

7、26221標(biāo)準(zhǔn)值乘以分項系數(shù)是設(shè)計值a代表管底701.727842 658.791927 853.88679481b代表管頂c代表管側(cè)輸水管內(nèi)力計算表內(nèi)力值e0yc受壓構(gòu)件第一種方法1842.732444 2366.10785 2139.944426701.727842 658.791927 853.886794811301.4411.766255.86水管自重管內(nèi)水重垂直土壓力側(cè)向土壓力設(shè)計水位內(nèi)水壓力設(shè)計水位外水壓力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水管自重管內(nèi)水重垂直土壓力側(cè)向土壓力校核水位內(nèi)水壓力校核水位外水壓力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水管自重管內(nèi)水重垂直土壓力側(cè)向土壓力設(shè)計水位內(nèi)水壓力設(shè)計水位外水壓力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水管自重管內(nèi)水重垂直土

10、壓力側(cè)向土壓力校核水位內(nèi)水壓力校核水位外水壓力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水管自重管內(nèi)水重垂直土壓力側(cè)向土壓力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荷載組合設(shè)計洪水位工作閘門開啟設(shè)計洪水位工作閘門關(guān)閉校核洪水位工作閘門開啟校核洪水位工作閘門關(guān)閉低水位檢修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 強度等級管壁

12、厚（cm）荷載組合部位彎矩(KNm)軸向力(KN)C2050荷載組合管頂A65.872539.791C2050荷載組合管底B43.423506.763C2050荷載組合管側(cè)C-66.598656.836401.92當(dāng)e00.3h0當(dāng)e00.3h0按雙筋計算混凝土強度設(shè)計值b0.614As0按照最小配筋率進(jìn)行配筋與原配筋比較看是否滿足12e0判斷為大偏心565h=300mmAs0按構(gòu)造配筋rm受拉區(qū)Nu(KN)rdN(KN)受拉區(qū)承載力不滿足要求Nu(KN)受壓區(qū)rdN(KN)rdNNu受壓區(qū)承載力不滿足要求Nu只做受壓計算rdNrdNNu受壓區(qū)承載力不滿足要求可按大偏心受壓構(gòu)件計算可按小偏心受壓構(gòu)件計算1.2一級鋼筋二級鋼筋0.6140.544sb0.4260.395fy210310fy210310fc7.5 C150C10C15C20C25C30C35抗壓(N/mm2)57.51012.51517.