Driving Comfort Evaluation for Manhole Covers and Pavement around Manholes

Table 1

Parameters for the vehicle and manhole cover.

Parameters	Value
m1 (kg)	70
m2 (kg)	4500
m3 (kg)	430
m4 (kg)	56
c1 ()	1800
c2 ()	7000
k1 ()	2100
k2 ()
k3 ()
k4 ()
c3 ()	5000
c4 ()	0