STUDY ON DURABILITY PROPERTIES OF RECYCLED AGGREGATE CONCRETE INCORPORATED WITH S ILICA FUME AND MINERAL QUARTZ
Journal Title: International Journal of Engineering Sciences & Research Technology - Year 30, Vol 4, Issue 6
Abstract
Disposal of construction waste is now new challenge for the construction industry in this era. This is peak time to use Construction waste as recycled aggregate (RA) in concrete manufacturing for sustainable development. Recycled aggregate concrete (RAC ) is the future to save environment from the waste. Supplementary Cementing Materials (SCMs) are widely used these days to improve the durability of c oncrete. Silica fume has gained worldwide acceptance due to its high pozzolanic reactivity compared to oth er SCMs . Using mineral admixtures as cement replacement substance in concrete ha s a tendency to increase by the future in order to provide greater sustainability in construction industry. O n the other hand Quartz is the second most abundant mineral in the Earth's cont inental crust, after feldspar. It is used as SCM in concrete. In this study, replacements of cement with silica fume 4%, 8% and12% & mineral quartz 5% for concrete mix of M35 and M40 grade. The natural aggregate is replaced by recycled aggregate (RA) with 30%. This paper study conducted on water absorption and sorptivity test on recycled aggregate concrete (RAC). The experiment result analysis shows that durability of 8% SF and 5% Quartz are better than other replacements.
Authors and Affiliations
Anand K , Dr. Indrajit N Patel, , Mrs. Jagruti Shah
Keywords
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