Flexural Toughness of High-Performance Concrete with Basalt and Polypropylene Short Fibres

Table 2

High-performance concrete mixture proportions.

Material	C0	B1	B0.75P0.25	B0.5P0.5	B0.25P0.75	P1	B2	B1.5P0.5	B1P1	B0.5P1.5	P2
Cement (kg/m^3)	670.5	670.5	670.5	670.5	670.5	670.5	670.5	670.5	670.5	670.5	670.5
Silica fume (kg/m^3)	74.5	74.5	74.5	74.5	74.5	74.5	74.5	74.5	74.5	74.5	74.5
Basalt (kg/m^3)	990	990	990	990	990	990	990	990	990	990	990
Quartz sand (kg/m^3)	500	473	477.5	482	486.5	491	446	455	464	473	482
Superplasticizer (l/m^3)	20	20	20	20	20	20	20	20	20	20	20
Water (l/m^3)	210	210	210	210	210	210	210	210	210	210	210
Basalt fibre (kg/m^3) (%)	—	27	20.25	13.5	6.75	—	54	40.5	27	13.5	—
	—	1	0.75	0.5	0.25	—	2	1.5	1	0.5	—
Polypropylene fibre (kg/m^3) (%)	—	—	2.25	4.5	6.75	9	—	4.5	9	13.5	18
	—	—	0.25	0.5	0.75	1	—	0.5	1	1.5	2
Water/binder ratio	0.28	0.28	0.28	0.28	0.28	0.28	0.28	0.28	0.28	0.28	0.28