Post-liquefaction volumetric strain ev(%)

[isisar]

Hello everybody, first post in the Forum.

I am trying to do some calculations and I was wondering if anybody knows the formula "behind" the curves of volumetric strain of the following two graphs?

Link (Tokimatsu and Seed, 1987)

Link (Ishihara,1993)

Thanks in advance!

 

[Okiryu]

Suggest to email to Professor Kenji Ishihara. He will be more than happy to help you. Just Google his name and you can find his contact information.