Design $($slab thickness, joint spacing, dowel diameter, and separator layer$)$ an

unbonded jointed plain concrete overlay$1$ based on the following data:

a$.$ The existing $($Dexisting$)$ and new $($Df$)$ slabs are $10$ inches and $13$ inches

thick, respectively.

b$.$ The existing pavement has $50$ deteriorated joints, $70$ deteriorated cracks,

and $5$ full depth AC patches per $1$ mile.

$1$ Bonded Overlay$=$

$=$

eff jc dur fat existing

OL f eff

D F F F D

D D D Un$-$bonded Overlay$=$

$=22$

eff jcu existing

OL f eff

D F D

D D D