Flexible Pavement Structural Number Calculator

Utilize our user-friendly calculator to compute the structural number of your flexible pavement. Obtain swift and precise results with ease.

Employ this calculator to ascertain the structural number of a flexible pavement. Input the thickness and layer coefficients for asphalt, base, sub-base, and any extra layers to acquire accurate and dependable results.

Flexible Pavement Structural Number formula

L=Structural Number of Flexible pavement,

a1=Layer coefficient for asphalt,

ta=Asphalt layer thickness,

b1=Layer coefficient of base,

tb=Base layer thickness,

c1=Layer coefficient of sub-base,

tsb=Sub-base layer thickness,

d1=Layer coefficient of additional layer,

tad=Thickness of additional layer