The Effect of Repeated Temperature Variations and Freeze Thaw Phenomenon on Some Durability Aspects of Concrete (original) (raw)

This paper investigates the impact of temperature variations and freeze-thaw cycles on the durability of concrete commonly used in Moroccan structures. Through a series of laboratory tests, key durability parameters such as water porosity, gas permeability, electrical resistance, and chloride ion diffusion coefficient were measured. Results indicate that although 300 temperature cycles had minimal effects overall, significant shrinkage and increased permeability were observed after 50 cycles. The findings highlight the importance of understanding concrete behavior under varying temperatures to enhance its durability and reduce long-term rehabilitation costs, while also addressing environmental concerns related to cement production.