墙高H6墙前水位H10.8墙后水位H21.5基础埋深h13002.5C15砼rd24抗压Ra填粘土指标:322818100.75顶宽b0.5底宽B4.98墙被趾高h`0.6墙被坡比m(用库仑定理)水上:KA0.81457水下:KA`0.890359P165.98015E1148.4553E1x95.44109E1y113.7101P272.11906E2108.1786E2x69.5474E2y82.85993P313.35538E310.01654E3x6.439574E3y7.672216PBX11.25PBY7.875PB`3.2G172G2244.944G316.8G4浮托力W139.84渗透压力W217.43M1X-286.323M2X-52.1606M3X-3.21979MPBXMW1-99.2016MW2-57.8676MP`BX0.853333MG168.4MG2602.5622MG35.88MG4M1Y375.2433M2Y403.9421M3Y39.74208MPBY38.39063水平力和H185.8781垂直力和G543.0232力矩和M1198.811Kc1.168558<[Kc]1.2重新设计断面)e0.28234<B/60.83可行σmax146.133σmin71.94857σcp109.0408<[R]350η2.031076<2.5底宽B`3.65E1148.4553Ex95.44109Ey113.71012.墙体自重:G154G2170.13.垂直合力N337.81014.力矩和M429.63960.553162<B/60.608333可行1.作用于C-C截面的土压力计算:二)合力偏心距e:力矩M的计算:三、稳定计算:一)抗滑稳定:二)偏心距计算及地基应力验算:四、截面强度验算:一)作用于C-C截面以上的荷载计算:1.墙后静水压:水平静水压:三)墙身自重:四)基底扬压力计算:垂直静水压:2.墙前静水压:墙被摩擦角δ一)土压力计算:2.土压力计算:二)水平静水压力计算:1.压力系数计算:初拟断面尺寸:二、挡土墙上荷载计算:重力式挡土墙设计一、计算条件:填粘土水上湿容重γ填粘土水下浮容重γ`C15砼抗剪[σj]基底摩擦系数f地基容许承载力[R]容许应力大小比[η]水上内摩擦角φ水下内摩擦角φ`σmax176.7078σmin8.393619无拉应力σa0.176708<Ra/Ka5.3125可行σj0.026148<[σj]0.75可行2.压应力验算:3.剪应力验算:三)截面应力验算:1.法向应力验算:0.48.5抗拉Rt1.051510墙被竖向夹角α34.992020.7墙锺宽b`0.754.432-5.625168.1949墙后填土坡度β基底摩擦系数f墙前基础埋深h1墙前水位H1墙后水位H3350墙后填土坡度β00.35底上高H6挡墙尺寸:顶宽b0.5底宽B2.4平台宽b2.5平台高h4坡比n平台下坡比m0.3墙锺宽b0.3墙总高H10平台处斜宽b1.7底斜宽b1.83535351910挡墙γd2427.542.769>27.5KA10.549P1=γhKA141.69E183.39E1X38.5E1Y73.966面积△C1BC26.5645△G1124.7△G273.43α2-16.7δ217.5△G51.3α`213.82044△α22.878802δ`214.6212K`A0.460.1647040.801P212.52E237.55P39.388E314.082E465.72P54.941E57.412E2X37.55E3X14.08E4X65.71E5X7.411E2Y0.525E3Y0.197E4Y0.918E5Y0.1036三、静水压力:1.墙前静水压:P`B5PBX45PBY13.5四、扬压力:W127W2271.墙自重:G17.2G2345.6G348G457.6G52.土重:G645.6G731.74762G879.12619h`2.0823.各力弯矩MEIX-282.365ME2X-168.97ME3X-56.3233ME4X-98.6ME5XMBX-45M`BX1.666667MG672.96MG768.54MG11.08MG2518.4MG326.4MG469.12MG5h`21.476011h`30.738006ME1Y281.5086ME2Y1.997958ME3Y0.725027ME4Y2.819ME5YMEBY-40.5MEW1-36.45MEW2-48.6水平合力:203.2555垂直合力:752.6836弯矩合力弯矩合力935.2423五、合力及弯矩计算:作用在挡土墙上的荷载计算:二、土压力计算:一)上墙土压力计算:粗沙水上内摩擦角φ粗沙水下内摩擦角φ上墙第二破裂角α1=45-φ/2墙顶与平台末端连线倾角α`1上墙背摩擦角δ=φ2.墙前静水压:3.校正墙背摩擦角下墙背摩擦角δ=φ/2水下填土湿容重γ水上填土湿容重γ衡重式挡土墙设计一、计算条件:地基容许应力[R]地基为中等密实中沙,填土为粗沙基底摩擦系数f5.下墙土压力与水平方向夹角:2.7056628874.按校正墙背计算作用其上的土压力:二)下墙土压力计算:1.延长下墙背交填土于C2。2.校正墙背倾角α`2六、稳定计算:KC1.296099>[KC]1.2可行e0.107456σmax345.3401σmin212.2σcp278.7717300可行η1.627402<[η]2.5可行七、截面强度验算:1.抗滑稳定计算:2.偏心距及地基应力验算:<[R]0.317.5X0.5129.6-7.41MG8246427.70.305下墙背摩擦角δ=φ/2上墙第二破裂角可形成