SUMMARY MHD. RAJA ALFADH, NIM. 2210248026, Self-Healing Mortar Contained Nanosilica under Wet-Dry Conditions in NaCl Solution, Supervised and proctoring by Monita Olivia and Gunawan Wibisono In the marine environment, mortar as a construction material is susceptible to exposure to aggressive substances that can reduce its resistance and durability. This study aims to assess the characteristic…