A Unified Formula for Calculation of Crack Width and Spacing in Reinforced Concrete Beams

International Journal of Concrete Structures and Materials

Table 5 Details of RC beams.

RC beams number	Width b (mm)	Depth h (mm)	Effective span l₀ (mm)	Concrete cover c (mm)	Reinforcement details		Reinforcement rate ρ (100%)	Batch number
RC beams number	Width b (mm)	Depth h (mm)	Effective span l₀ (mm)	Concrete cover c (mm)	Numbers of bars	Bar diameter d (mm)	Reinforcement rate ρ (100%)	Batch number
C30-1-1	200	350	2550	30	2	18	0.008	1
C30-1-2	200	350	2550	30	2	18	0.008	1
C30-2-1	200	350	2550	30	2	14	0.005	1
C30-2-2	200	350	2550	30	2	14	0.005	1
C40-1-1	200	350	2550	30	2	18	0.008	2
C40-1-2	200	350	2550	30	2	18	0.008	2
C40-2-1	200	350	2550	30	2	14	0.005	2
C40-2-2	200	350	2550	30	2	14	0.005	2
C50-1-1	200	350	2550	30	2	18	0.008	3
C50-1-2	200	350	2550	30	2	18	0.008	3
C50-2-1	200	350	2550	30	2	14	0.005	3
C50-2-2	200	350	2550	30	2	14	0.005	3
C60-1-1	200	350	2550	30	2	18	0.008	5
C60-1-2	200	350	2550	30	2	18	0.008	5
C60-2–1	200	350	2550	30	2	14	0.005	4
C60-2-2	200	350	2550	30	2	14	0.005	4
CR60-1-1	200	350	2550	30	2	18	0.008	5
CR60-1-2	200	350	2550	30	2	18	0.008	5