	US 12,281,044 B1
	Concrete composition including nanosilica derived from glass waste
Mohammad Iqbal Khan, Riyadh (SA); Galal Mohamed Fares, Riyadh (SA); and Yassir Mohammed Abbas, Riyadh (SA)
Assigned to KING SAUD UNIVERSITY, Riyadh (SA)
Filed by KING SAUD UNIVERSITY, Riyadh (SA)
Filed on Oct. 18, 2024, as Appl. No. 18/919,815.
Int. Cl. C04B 28/02 (2006.01); C04B 14/06 (2006.01); C04B 14/22 (2006.01); C04B 14/48 (2006.01); C04B 18/08 (2006.01); C04B 18/14 (2006.01); C04B 24/26 (2006.01); C04B 40/00 (2006.01); C04B 103/32 (2006.01)

CPC C04B 28/02 (2013.01) [C04B 14/062 (2013.01); C04B 14/22 (2013.01); C04B 14/48 (2013.01); C04B 18/082 (2013.01); C04B 18/146 (2013.01); C04B 24/2647 (2013.01); C04B 40/0046 (2013.01); C04B 2103/32 (2013.01); C04B 2201/52 (2013.01)]

21 Claims

1. A concrete composition, comprising:

about 24% to about 44% cement (C);

about 9.4% silica fume (SF);

about 2.6% fly ash (FA);

about 25% sand;

about 8.4% water;

about 1.6% superplasticizer;

about 7.9% microsteel fibers;

wherein at least 0% to 20% of cement is replaced with ground glass powder (GP); and

wherein at least 0.1% to 1% of the cement is replaced with nanosilica (nS) powder.