The value of rigidity factor for design of flexible pavement is:
1
greater than 1 for lower tyre pressure (< 7 kg/cm2)
2
less than 1 for lower tyre pressure (< 7 kg/cm2)
3
equal to 1 for lower tyre pressure (< 7 kg/cm2)
4
equal to 0 for lower tyre pressure (< 7 kg/cm2)