University of Tabriz Journal of Civil and Environmental Engineering 2008-7918 42 66 2012 05 21 Effects of Nano-Silica on Mechanical Properties and Durability of Concrete Effects of Nano-Silica on Mechanical Properties and Durability of Concrete 35 45 3430 FA Shabnam Firoozmakan Faculty of Civil and Environmental Engineering, Amirkabir University of Technology A. Akbar Ramezanianpour Concrete Technology and Durability Research Center, Amirkabir University of Technology Taghi Ebadi Faculty of Civil and Environmental Engineering, Amirkabir University of Technology Hamed Bahrami Faculty of Civil and Environmental Engineering, Amirkabir University of Technology Journal Article 2015 04 26 https://ceej.tabrizu.ac.ir/article_3430_4c2786bff63fa6c177572690f519ac8e.pdf