J-1基础软弱下卧层验算±0.000相当于黄海高程=基础埋置深度d=矩形基础底宽度B=矩形基础底长度L=①土层底标高:②土层底标高：③土层底标高：④土层底标高：地基承载力宽度修正系数ηb=地基承载力深度修正系数ηd=轴力标准值Fk=地基承载力特征值fak=软弱下卧层承载力特征值faz=基础底面以上土的加权平均重度γm=基础底面以下土的重度γ=软弱下卧层的顶标高：基础底面至软弱下卧层顶面的距离z=软弱下卧层顶面埋置深度dz=z/b=z/(B/2)=l/b=(L/2)/(B/2)=查表可得α=矩形基础底面积 BxL=po=Fk/(B*L)=pz=4*α*po=pcz=γ*dz=pcz+pz=fa=fak+ηb*γ*(d-3)+ηd*γm*(d-0.5)=6.01-2.912001200-2.42-6.72-8.72-10.22011332601701818-8.726.312.7310.5010.00451.4492.361.66265.14266.80426.14mmmmmmmmmmKNKpaKpaKN/m³KN/m³mmm㎡KpaKpaKpaKpa＞266.80Kpa满足验算
