Wesley A. Jones, Mitch W. House, W. Jason Weiss
absorption, autogenous shrinkage, chemical shrinkage, Coarse aggregates, desorption, drying shrinkage, fine aggregates, HPC, IC, LWAs, porous inclusions, spatial distribution, transport properties
Internally cured concrete has been rapidly emerging over the last decade as an effective way to improve the performance of concrete. Internal curing (IC) holds promise for producing concrete with an increased resistance to early-age cracking and enhanced durability (Bentz and Weiss, 2011). IC is a simple and effective way to cure concrete. Proper internal curing supplies water that is necessary to relieve stress buildup due to self-desiccation. Typically this is done using pre-wetted lightweight aggregates (LWAs), as this is the most commercially available application at the present time. IC has shown reduced autogenous and drying shrinkage cracking, improved fluid absorption resistance, improved compressive strength, and reduced ion diffusion. It is becoming increasingly clear that internal curing has great potential for the concrete industry to create a longer lasting, more sustainable product.