Enhancement of high-performance concrete properties with crushed dune sand addition: A sustainable approach for desert regions

Figures & Tables

Type of concrete	HPC_0%	HPC_{5% CDS}	HPC_{10% CDS}	HPC_{15% CDS}	HPC_{5% SF}	HPC_{10% SF}	HPC_{15% SF}
Rc_avge	49.9	54.23	55.75	50.78	59.45	63.15	66.01
Rc₂₈ (MPA)	52.1	56.24	58.03	53.16	60.2	65.33	68.89
Standard deviation	2.2	2.01	2.28	2.38	0.75	2.18	2.88

Abbreviation	Concrete type
HPC_0%	Reference concrete without mineral additions
HPC_{5% SF}	Formulated with 5% of silica fume (SF)
HPC_{10% SF}	Formulated with 10% of silica fume (SF)
HPC_{15% SF}	Formulated with 15% of silica fume (SF)
HPC_{5% CDS}	Formulated with 5% of crushed dune sand (CDS)
HPC_{10% CDS}	Formulated with 10% of crushed dune sand (CDS)
HPC_{15% CDS}	Formulated with 15% of crushed dune sand (CDS)

Type of concrete	HPC_0%	HPC_{5% CDS}	HPC_{10% CDS}	HPC_{15% CDS}	HPC_{5% SF}	HPC_{10% SF}	HPC_{15% SF}
Rc₂₈ (MPA)	52.1	56.24	58.03	53.16	60.2	65.33	68.89
V (m/s)	3,601	3,968	4,030	3,800	4,215	4,522	4,612
Porosity accessible to water	8.1	7.8	7.74	7.67	7.36	7.18	7.08
Strength	Good	Good	Excellent	Good	Excellent	Excellent	Excellent