How many factors contributing to the flexural stress of a pavement?

Failure in rigid pavement occurs due to ______

The CBR standard penetration is ______

The ratio of z/a=0 represent the stress at _________

The average vehicles considered for pavement studies are ______

What is the minimum quality of thickness in the low volume roads?

The distance at which the crack is developed is given by ______

The pavement thickness is usually assumed in rigid pavement as ______