Simulation of FWD

The process of FWD can be simulated perfectly by DynaPav. The advantage of Dynapave encompasses in its moderate input and computational robustness.

The load impulse:

The input file:

/* START */

Pulse Properties :
Amplitude/MPa Pluse Duration/s Calculation Range/n*T radius/m layers points
0.7E6 0.025 20 0.15 4 9

Points Distance/cm :
0 20 30 45 60 90 120 150 180

Pavement Structure :
E-Modulus/Pa Poison ratio Density/g/cm3 Thickness/m friction E1 E2 eta1 eta2 BK visco-flag
4000E6 0.25 2300 18E-2 1 8000E6 4000E6 200E6 150E6 8000E6 1
8000E6 0.15 2000 36E-2 1
3000E6 0.15 2000 20E-2 1
80E6 0.35 1500 0 0

/* END */

Pavement surface oscillations:

For the situation of viscoelastic asphalt surface: