Group index method of design of flexible pavement is_______________? – McqOptions

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1.	Group index method of design of flexible pavement is_______________?
A.	a theoretical method
B.	an empirical method based on physical properties of subgrade soil
C.	an empirical method based on strength characteristics of subgrade soil
D.	a semi empirical method
Answer» C. an empirical method based on strength characteristics of subgrade soil

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