The synergistic effect of nano-silica and silane coupling agent in aeolian sand concrete: Flowability, mechanical properties, and microstructure

Key Points

• The nano-silica and silane coupling agent enhance mechanical properties significantly.
• A notable increase in flowability metrics was observed, improving workability by up to 30%.
• Assessment using microstructural analysis reveals enhanced bond formation and durability.
• These findings highlight the potential for innovative concrete mixtures in construction projects.