Application of a Reinforced Self-Compacting Concrete Jacket in Damaged Reinforced Concrete Beams under Monotonic and Repeated Loading

Table 3

Mix design composition and fresh properties of commonly used concrete of the original beams and of SCC of the jackets (kg/m³).

	Commonly used concrete of the original beams	SCC of the jackets
CEM IV/B (W-P) 32.5 N	290	305
CEM II/B-M 42.5 N	45	51
Limestone filler	—	101
Limestone sand	—	882
River sand	1040	—
Coarse aggregates (4/8 mm)	360	800
Coarse aggregates (8/32 mm)	500	—
Water	186	193
Superplasticizer	3.5	11.93
Retarder	1.3	1.14
VMA	—	0.43
W/C	0.55	0.54
W/P	0.55	0.42
Slump (mm)	200	—
Slump flow 𝐷𝑚 (mm)	—	780
𝑇500 (sec)	—	2
Vf1 (sec)	—	12
Vf2 (sec)	—	15
L-Box	—	0.89