Bashar S.  Mohammed, Bitrus Emmanuel  Achara, Muhd Fadhil  Nuruddin, 
    Properties of Nano-Silica Modified Self-Compacting High-Volume Fly Ash Mortar,
    Journal of Engineering and Applied Sciences,
    Volume 12,Issue 20,
    2017,
    Pages 5294-5300,
    ISSN 1816-949x,
    jeasci.2017.5294.5300,
    (https://makhillpublications.co/view-article.php?doi=jeasci.2017.5294.5300)
    Abstract: The effects of adding Nano-Silica (NS) into self-compacting high volume fly ash mortar have been
investigated. Five self-compacting mixtures with different NS percentage (0, 1, 2, 3 and 4%) were prepared, cast
and tested for fresh properties and as well as for compressive strength, accessible porosity, Interfacial
Transition Zone (ITZ) and drying shrinkage. NS addition up to 2% has been found to improve hardened paste
properties. However, more then 2% of NS will lead to adverse effects.
    Keywords: Nano-silica;compressive strength;access porosity;drying shrinkage;interfacial transition;zone