From: Long-Term Flexural Behaviour of Cracked Reinforced Concrete Beams with Recycled Aggregate
Specimen
Number of cracks
Space between cracks (mm)
Crack width (mm)
t0
t90
NC
16
110
0.10
0.16
RAC-50
18
90
0.24
RAC-100
20
70
0.20
0.30