US 11,993,544 B1
الصحة - Health
2024
مكتب البراءات الأمريكي - US Patent Office
Khan; Kaffayatullah (Al Hasa, SA), Amin; Muhammad Nasir (Al Hasa, SA), Johari; Megat Azmi Megat (Al Hasa, SA)
A green concrete composition comprising: a binder component comprising Portland cement (C), volcanic ash (VA), metakaolin (MK), and colloidal nano-silica (CNS); an aggregate component comprising fine aggregates (FA) and coarse aggregates (CA); water (W); and a super plasticizer.