The evolutions of the different physicochemical and mechanical properties as a function of the expansion due to Delayed Ettringite Formation (DEF) in concrete are studied. In comparison of sound materials. some characterizations were made in accordance to the level of expansion: in the initial time. in the latent period. https://countryscenesaddleryandpetsuppliers.shop/product-category/cowhide-rugs-100-hair-on-hide-floor-rug/