THE INFLUENCE OF PORE SYSTEM CHARACTERISTICS ON ABSORPTION AND FREEZE-THAW RESISTANCE OF CARBONATED, LOW-LIME CALCIUM SILICATE CEMENT (CSC) BASED MATERIALS JeongHyunGu 2020 This dissertation presents the study of freeze-thaw resistance of carbonated, low-lime calcium silicate cement based paste, mortar, and concrete and the pore system of these materials characterized by MIP, SEM, and image J analysis.