An article in Concrete Facts, Sprint 2021 (Vol.28-3) discusses the common causes of cracking in concrete, the ACI standards relating to contraction joints, and how the new method of embedding a strip of polymer tape into fresh concrete, like is done by the Trakjoint system is superior to legacy methods of inserting contraction joints in residential slabs.
Contraction Joints in Residential Slabs Using a New Method.
