The design curves relating ______ with the characteristic deflection obtained from BBD studies in the code is used for overlay thickness determination.

Resilient modulus of the surface

The design curves relating ______ with the characteristic deflection

1.	The design curves relating ______ with the characteristic deflection obtained from BBD studies in the code is used for overlay thickness determination.
A.	Resilient modulus of the surface
B.	CSA over the design period
C.	Thickness of existing pavement
D.	Pavement condition index
Answer» C. Thickness of existing pavement

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