Field Measurement of Dynamic Compressive Stress Response of Pavement-Subgrade Induced by Moving Heavy-Duty Trucks

Table 4

Maximum dynamic stresses under different truck loadings.

Truck loading (kN)	Depth (m)	Truck speed (km/h)
		80	70	60	50	40	30	20	10	5
533.8	0.19	-	−81.9	−84.6	−82.7	−86.1	−83.7	−80.7	−94.6	-
	0.62	-	−46.4	−48	−50.7	−44.3	−36.8	−34.6	−28.4	-
	1.42	-	−45.1	−41.4	−42.5	−39.4	−39.4	−33.9	−31.7	-
	2.12	-	−32.3	−21.3	−21	−23.7	−22.8	−16.5	−18.6	-
	3.12	-	−14.6	−10.9	−11.3	−13.9	−16.9	−12.9	−12.9	-