Influence of the Steel Fiber Content on the Flexural Fatigue Behavior of Recycled Aggregate Concrete

Table 2

Mixtures design of concrete, kg/m³.

Mixture		NAC	RAC	SF0.5RAC	SF1.0RAC	SF1.5RAC	SF2.0RAC
Cement		210	210	210	210	210	210
Coarse aggregate	Natural	1030	824	824	824	824	·824
	Recycle	0	206	206	206	206	206
Fine aggregate	Mechanism sand	380	380	380	380	380	380
	River sand	455	455	455	455	455	455
Mineral admixture	Fly ash	60	60	60	60	60	60
	Mineral powder	100	100	100	100	100	100
Admixture		12.58	15.91	15.91	15.91	15.91	15.91
Water		160	160	160	160	160	160
Steel fiber		0	0	39.3	78.5	117.8	157