不透水岩基上有水平分布的三层土,厚度均为1m,渗透系数分别为k1=1m/day,k2=2m/dayk3=10m/day,则等效土层垂直渗透系数kZ为()

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不透水岩基上有水平分布的三层土,厚度均为1m,渗透系数分别为k1=1m/day,k2=2m/dayk3=10m/day,则等效土层垂直渗透系数kZ为()

A.13m/day

B.10m/day

C.4.33m/day

D.1.88m/day

参考答案:

答案:1.88m/day