MR 37.431
0.4566(PI)
0.6179(%W)
0.1424(S200)
0.1791(CS)
0.3248(DS) 36.422(CH) 17.097(MH) (3.5)
where MR resilient modulus, kips/in2
PI plasticity index
%W percentage water
S200 percentage passing the no. 200 sieve
CS confining stress, lb/in2
DS deviator stress, lb/in2
CH 1 for CH soil (Unified Soil Classification, Art. 8.3.2)
0 otherwise
MH 1 for MH soil (Unified Soil Classification)
0 otherwise