You should enter initial values before running this page! Use the Input page.
 
log(W18) Input NaN
log(W18) Predicted NaN
Standard Normal Deviate, ZR NaN
Standard Deviation, S0 0.35
*Concrete Modulus of Rupture, Sc (psi) 646
Drainage Coeff., Cd 1
Load Transfer Coeff, J 3.2
Concrete Elastic Modulus Ec, psi 4200000
**Modulus of Subgrade Reaction, k (psi/in)       31
ΔPSI 4.5
Trial Thickness, D 0
Final Thickness, DF 0.5

*Wang, 2008, http://www.intrans.iastate.edu/reports/mepdg_testing.pdf
**Method 1

*Minimum cover requirements limit thickness to 6" for 1 inch dowel bars
(http://www.fhwa.dot.gov/pavement/t504030.cfm)
  
Calcuations
*AASHTO 1993 (http://training.ce.washington.edu/PGI/)