关于孔隙应力比如何确定的？
对于Geoslope软件计算中关于孔隙应力比ru如何确定的？土工原理与计算教材中说对于某土坡，ru已经确定，是如何计算的？画了水位线，还要计算这个值？:call: Ru Coefficients An ru value must be specified for each soil type.
The ru coefficient is defined as:
ru=u/γhi，
where:
γ the total unit weight of each soil strata in the slice
hi = the average thickness of each soil strata in the slice
i = the soil strata number
u = pore-water pressure http://forum.simwe.com/viewthread.php?tid=829164&highlight=%BD%D3%B4%A5%C3%E6
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