Drying Shrinkage Behaviour of Fibre Reinforced Concrete Incorporating Polyvinyl Alcohol Fibres and Fly Ash

Table 4

Mix proportions.

Mix designation	PC [kg/m^3]	FA [kg/m^3]	Sand [kg/m^3]	10 mm aggregates [kg/m^3]	20 mm aggregates [kg/m^3]	Water^1 [kg/m^3]	HWR [Lit/m^3]	6-PVA [kg/m^3]	12-PVA [kg/m^3]
Control	301	129	635	390	700	151	1.215	0	0
6-PVA-0.125	301	129	635	390	700	151	1.867	1.613	0
6-PVA-0.250	301	129	635	390	700	151	1.774	3.225	0
6-PVA-0.375	301	129	635	390	700	151	2.143	4.838	0
6-PVA-0.500	301	129	635	390	700	151	2.143	6.450	0
12-PVA-0.125	301	129	635	390	700	151	2.338	0	1.613
12-PVA-0.250	301	129	635	390	700	151	2.468	0	3.225
12-PVA-0.375	301	129	635	390	700	151	2.597	0	4.838
12-PVA-0.500	301	129	635	390	700	151	3.506	0	6.450

1W/C (water/cementitious materials) ratio maintained at a constant rate of 0.35 (by weight) for all mixes.