Abstract
The aim of this work is to study the effect of nanoBentonite (NB) on the durability of concrete under normal and aggressive conditions. Different mixes were made with various amounts of NB at rates 10,15,20,25 and 30% as a partial mass replacement for cement. First group of samples were subjected to normal curing and tested after 7, 28, 90 and 180 days, while the second group of samples were subjected sulfuric acid of concentration 0.2 N and tested after the same ages. The hydration process and durability of samples was monitored using scanning microscope (SEM). The results of this study indicated that using NB as 15% partial replacement of cement improves durability and microstructure of concrete mixture against both normal and aggressive curing conditions.
Published Version
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