The group index method of designing flexible pavement is
A)an empirical method based on the physical properties of the sub-grade woil
B)an empirical method based on the strength characteristics of the sub-grade woil
C)a semi-empirical method
D)none of these

Question

Quizplus · Accepted Answer

The group index method of designing flexible pavement is an empirical method that relies on the physical properties of the sub-grade soil, including its particle size distribution and Atterberg limits, to determine the pavement thickness.

The Group Index Method of Designing Flexible Pavement Is