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Table 3 Vehicles’ parameters

From: The vibrations induced by surface irregularities in road pavements – a Matlab® approach

Parameters Car Bus Truck
Sprung mass ms [kg] 400 4000 4500
Unsprung mass mu [kg] 40 550 650
Suspension stiffness ks [N/m] 21000 320000 570000
Suspension dumping cs [N · s/m] 1500 10000 21000
Tire stiffness kt [N/m] 150000 1700000 3000000