Combined effect of nano silica and nano alumina on the durability properties of HPC

Volume 20 No 13 (2022)

D.Aravind, Dr. P. Srinivasa Rao

DOI: 10.14704/NQ.2022.20.13.NQ88239

Abstract

This study presents the durability properties of high performance blended concrete containing micro silica 10%, nano silica 3% and nano alumina 1%. Use of nano materials is becoming more popular due to its good mechanical and durability properties. A lot of research is going on to know mechanical behavior and durability behavior of concrete containing nano materials and also the optimal amount of nano concentration in concrete. Acid resistance, water absorption, porosity and RCPTof concrete has been tested. The results revealed that binary addition of nano silica and nano alumina improved the durability properties nano silica and nano alumina consumed more Ca(OH)2 and produced more number of C-S-H gel.

Keywords

Micro silica, Nano-Silica, Nano-Alumina, water absorption, porosity, RCPT

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