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A. 计算单桩竖向极限承载力标准值Quk时，不考虑液化土对桩周土层侧阻力的影响
B. 承台下有1m以上厚度的非液化土层时，计算单桩竖向极限承载力标准值Quk时，将液化土层测阻力标准值乘以土层液化折减系数ψL
C. 承台下非液化土层厚度小于1m时，ψL应取O
D. ψL系数取值与饱和土标准贯人实测击数N63.5与饱和土的液化判别标准贯人击数界值Ncr的比值λN有关，λN值大的ψL取高值，反之取低值
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