• G.MAHESH
• M.SRAVANTHI
• C.SASHIDHAR

In this study the capability of Fiber reinforced concrete to self-heal against various environmental exposures namely Water Immersion (WI), Water Contact (WC), Wet Dry cycles (WD) & Air Exposure has been studied. A total of 8 mixes were cast and two of them for plain concrete with one containing crystalline admixture (CCA) and other not. Further mixes were also cast in the same manner i.e. with and without crystalline admixture but Nano silica was replaced at constant rate of 1%, 2% & 3%. At the end of 28 days curing cracks of size varying 0.10mm to 0.40mm were induced in the specimens and cured for respective exposures and tested for regained strength over a period of 7,14, 28 & 42 days. At last it was observed all the mixes containing crystalline admixture (CCA) has given exceptional recovery of healing and strength. However, mix containing 2% of Nano silica replacement and 1% of crystalline admixture (CCA) addition has given 100% efficiency over self-healing and strength restoration for the exposures Water immersion (WI) and Wet Dry cycles (WD).

Nano silica, crystalline admixture, Self-healing concrete.

"EXPERIMENTAL STUDY ON FIBER REINFORCED CONCRETE FOR SELF-HEALING WITH NANO SILICA AND CRYSTALLINE ADMIXTURE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org), ISSN:2349-5162, Vol.10, Issue 3, page no.a44-a49, March-2023, Available :http://www.jetir.org/papers/JETIR2303007.pdf

"EXPERIMENTAL STUDY ON FIBER REINFORCED CONCRETE FOR SELF-HEALING WITH NANO SILICA AND CRYSTALLINE ADMIXTURE", International Journal of Emerging Technologies and Innovative Research (www.jetir.org | UGC and issn Approved), ISSN:2349-5162, Vol.10, Issue 3, page no. ppa44-a49, March-2023, Available at : http://www.jetir.org/papers/JETIR2303007.pdf