As per IRC 37 : 2012, the fatigue life of a flexible pavement consisting of granular base and sub base depends upon -
(1) Resilient modulus of bituminous layers
(2) Horizontal tensile strain at the bottom of bituminous layer
(3) Mix design of biturnen
(4) Vertical subgrade strain
Which of the above statements are correct?
1
1, 3 and 4
2
1, 2 and 4
3
2, 3 and 4
4
1, 2 and 3
5
Question Not Attempted