Among failed structures, 89.3% of them show asphalt layer thicknesses lower than the original design. 53.2% of them have a base thickness lower than the original design and, 44.7% have a sub-base thickness lower than the original design.
Entre las estructuras que fallan el 89.3% presentan espesores de carpeta asfáltica inferiores al diseño original, 53.2 % presentan espesor de base inferior al diseño original y 44.7 % presentan espesor de subbase inferior al diseño original.