Reducing Joint Spacing for High Performance Concrete Pavement

Event Date: January 7, 2013
Photo captures shorter joint spacing to minimize pavement curling
Joint spacing reduced from 18' to 15"
Implementation of new specification
Photos captures pavement thickness reduction 1' for 12" and greater, 1/2" for 10" to 12"
INDOT initiated a study to assess the impact of joint spacing on premature concrete pavement deterioration.

The results of the study recommended reducing joint spacing from 18 feet to 15 feet to increase the performance of jointed plain concrete pavement in Indiana.  The recommendations have been implemented with a 3-YEAR $2,482,000 projected savings.

Implementation included in Chapter 52 of the INDOT Design Manual, "Pavement and Underdrain Design Elements," 2009.  

SPR-2642 "HIgh Performance Concrete Pavement in Indiana, 2011