Chapter 4 (continued) - NHI-05-037 - Geotech - Bridges & Structures - Federal Highway Administration
d 0 = deflection measured at the center of the load plate (and adjusted to a standard temperature of 20 C {68 F} for hot mix asphalt), inches p = load plate pressure, psi a = load plate radius, inches D = total thickness of pavement layers above the subgr...