矩形板式基础计算书

(8-2.5)2x39.73x8/8=1201.77kN-m2、?基础配筋计算(1)、底面长向配筋面积asi=|Mn|/(aif;bho2)=12O1.77xlO6/(lxll.9x8OOOx24462)=O.OO2©1=1・(1-2aSi)°-5=l-(l-2x0.002)°*5=0.002Ysi=1-Ci/2=1-0.002/2=0.999Asi=|M1,|/(Ysih0f;i)=1201.77xl06/(0.999x2446x360)=1366mm2基础底需要配筋:A1=max(1366,pbh0)=max(1366,0.0015x8000x2446)=29352mm2基础底长向实际配筋:Asi,=29577mm2>A1=29352mm2满足要求!(2)、底面短向配筋面积aS2=|M,|/(aif;lho2)=12Ol.77x106/(1x11.9x8000x24462)=0.002^=1-(1-2aS2)°-5=1-(1-2x0.002)°*5=0.002YS2=1-^2/2=1-0.002/2=0.999As2=|Mj|/(ys2h0f^)=1201.77x106/(0.999x2446x360)=1366mm2基础底需要配筋:A2=max(1366,plho)=max(1366,0.0015><8000x2446)=29352mm2基础底短向实际配筋:As2-31387mm2>A2=29352mm2满足要求!(3)、顶面长向配筋面积基础顶长向实际配筋:As3-17266mm2>0.5Asi,=0.5x29577=14789mm2满足要求!(4)、顶面短向配筋面积基础顶短向实际配筋:As4-17266mm2>0.5As2-0.5x31387=15694mm2满足要求!(5)、基础竖向连接筋配筋血积基础竖向连接筋为双向①10@500o五、配筋示意图矩形板式基础配筋图