AASHTO Pavement Thickness Design Guide - CECALC.comExplore further
2019-6-30u2002·u2002Ec can be derived from S'c as follows Ec = 5700(S'c). Flexural Strength (S'c) can also be approximated from compressive strength (fc) as follows: S'c = 2.3fc^0.667(psi). f. Layer coefficients. Structural layer coefficients (ai) are required for flexible pavement design.
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