Dynamic Response and Its Frequency Domain Characteristics of Lateritic Soil Subgrade under Traffic Load during Construction

Figure 7

Development of peak dynamic stress and acceleration with vehicle speed under different axle loads: (a) dynamic stress of subgrade at 6 t axial weight, (b) acceleration of subgrade at 6 t axial weight, (c) dynamic stress of subgrade at 10 t axial weight, (d) acceleration of subgrade at 10 t axial weight, (e) dynamic stress of subgrade at 15 t axial weight, (f) acceleration of subgrade at 15 t axial weight, (g) dynamic stress of subgrade at 19 t axial weight, and (h) acceleration of subgrade at 19 t axial weight.

(a)

(b)

(c)

(d)

(e)

(f)

(g)

(h)