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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,
**Method 1

*Minimum cover requirements limit thickness to 6" for 1 inch dowel bars
*AASHTO 1993 (