Experimental Investigation on the Blast Resistance of Fiber-Reinforced Cementitious Composite Panels Subjected to Contact Explosions

International Journal of Concrete Structures and Materials

Table 4 Mixture proportions of FRCC specimen.

ID	W/B	Cement (kg/m³)	Fly-ash (kg/m³)	Water (kg/m³)	Silica sand (kg/m³)	Fibers (V _f, %)	HRWR (kg/m³)^c
PVACC	0.4	960	169	452	395	2	16.9
PECC	0.4	960	169	452	395	2	22.6
SCC	0.4	960	169	452	395	2	5.6
PVASCC	0.4	960	169	452	395	2 (1)^a	11.3
PESCC	0.4	960	169	452	395	2 (1)^b	16.9

PVACC PVA fiber-reinforced cementitious composite, PECC PE fiber-reinforced cementitious composite, SCC Steel fiber-reinforced cementitious composite, PVASCC Hybrid fiber-reinforced cementitious composite (PVA fibers + Steel fibers), PESCC Hybrid fiber-reinforced cementitious composite (PE fibers + Steel fibers).
^aThe total volume (share of PVA fiber).
^bThe total volume (share of PE fiber).
^cHigh-range water reducer, target value of flow in FRCCs: 170 ± 20 (mm).