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Table 4 Details of cracks during stabilised cracking stage

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 0.16 0.24
RAC-100 20 70 0.20 0.30
  1. *The results are the average of the readings of both sides
  2. t0 = time at start of loading (age of 28 days), t90 = time at 90 days of loading (age of 118 days)