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

Table 7

Elastic modulus of control and FRC at 7, 28, and 56 days.

Mix reference	𝐸𝑐,7^a [GPa]	𝐸𝑐,28 [GPa]	𝐸𝑐,56 [GPa]
Control	37.7	39.3	41.4
6-PVA-0.125	37.6	39.5	41.4
6-PVA-0.250	39.0	40.1	41.9
6-PVA-0.375	35.9	39.0	41.0
6-PVA-0.500	33.3	38.8	40.0
12-PVA-0.125	33.7	39.0	39.9
12-PVA-0.250	35.0	39.2	40.3
12-PVA-0.375	33.6	38.5	39.7
12-PVA-0.500	32.1	33.2	38.7

aElastic modulus of the test specimens calculated to the nearest 0.1 GPa in accordance with AS 1012.17.