Flexural Behaviour of Unbonded Posttensioned Concrete Beam Strengthened with Aluminium Alloy Plates

Table 3

Proportions of the concrete mix (kg/m³).

Composition material	Binds		Fine aggregate	Coarse aggregate	Water	Concrete admixture
Type of material	P.O 42.5 Portland cement	F fly ash	Sand particles in zone II	Crushed rock	—	HF-3
Mixed quantity	400	50	660	1085	170	15.3
Mixing ratio	1		1.47	2.41	0.38	0.034