Dear Dr Amjad.

See the flowing reference, May be help you.

Really its very interested ..thanks a lot

plate load test is the direct test for determining K-value based on Winkler Model.

field CBR, DCP  test and PFWD and corroletion with K-value may be helpful

Thanks Arash

Plate load test will be conducted, although test like CBR can be used to correltae with the K-value.

Plate bearing test. Applying the concepts described in Yoder's textbook for pavement design. Good resource

Dear Dr. Amjad

The repeated load plate bearing test under soaked condition is considered as the best field test for K value determination.

thanks all

You are welcome