The abstract of the article should be replaced by the abstract below: In this paper. the effect of crumb rubber. CR as fine aggregate in the concrete to enhance concrete durability against chloride ion diffusion was studied. Chloride ion diffusion in rubberized concrete was tested by migration test under steady state condition. https://www.roneverhart.com/Super-Sensitive-SS2102-Red-Label-1-8-Violin-String-Set-p28087/