shafiei, seyed mohammad mahdi, pirizadeh, mahboobeh, Zolgharnein, Ebrahim. Investigating the effect of nanosilica on the compressive strength of hard concrete by considering Atomic Force Microscopy (AFM) examinations. International Journal of Advanced Design and Manufacturing Technology. 2024;17(1):23-28. doi:10.30486/admt.2023.1968434.1380