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Calculate Frost Penetration Base Thickness:

(Reference: UFC - Pavement Design for Roads, Streets, Walks and Open Storage Areas)

Calculation:

Designer/Checker:

Input:

Metric Units

Frost penetration depth (FP - in or mm)

Pavement thickness (t - in or mm)

Water Content of Subgrade or Base (r):

r = 0.6 r = 0.8

r = 1.0 r = 1.2

r = 1.4 r = 1.6

r = 1.8 r = 2.0

r = 2.5 r = 3.0

Output:

Base thickness for no frost penetration (c) =

Fig. 18-4, base thickness (b) w/frost penetration =

Fig. 18-4, subgrade frost penetration (s) =