四桩承台塔吊基础1计算书

0×12882)=0.011Р ζ1=1-(1-2αS1)0.5=1-(1-2×0.011)0.5=0.011Р γS1=1-ζ1/2=1-0.011/2=0.994Р AS1=My/(γS1h0fy1)=1567.249×106/(0.994×1288×360)=3399mm2Р 最小配筋率:ρ=0.15%Р 承台底需要配筋:A1=max(AS1, ρbh0)=max(3399,0.0015×5000×1288)=9660mm2Р 承台底长向实际配筋:AS1'=12763mm2≥A1=9660mm2Р 满足要求!Р (2)、承台底面短向配筋面积Р αS2= Mx/(α2fcbh02)=1567.249×106/(1.03×16.7×5000×12882)=0.011Р ζ2=1-(1-2αS2)0.5=1-(1-2×0.011)0.5=0.011Р γS2=1-ζ2/2=1-0.011/2=0.994Р AS2=Mx/(γS2h0fy1)=1567.249×106/(0.994×1288×360)=3399mm2Р 最小配筋率:ρ=0.15%Р 承台底需要配筋:A2=max(3399, ρlh0)=max(3399,0.0015×5000×1288)=9660mm2Р 承台底短向实际配筋:AS2'=12763mm2≥A2=9660mm2Р 满足要求!Р (3)、承台顶面长向配筋面积Р 承台顶长向实际配筋:AS3'=12763mm2≥0.5AS1'=0.5×12763=6382mm2Р 满足要求!Р (4)、承台顶面短向配筋面积Р 承台顶长向实际配筋:AS4'=12763mm2≥0.5AS2'=0.5×12763=6382mm2Р 满足要求!Р (5)、承台竖向连接筋配筋面积Р 承台竖向连接筋为双向Φ10@500。Р 六、配筋示意图Р承台配筋图Р Р桩配筋图Р Р基础立面图