Table 2 Details of flexural beam specimens F1–F6 (Shahrooz et al. 2011).

A1035 longitudinal steel

 Lower layer

4 #5

4 #6

4 #5

4 #5

4 #6

4 #5

 Second layer

2 #5

2 #6

n.a.

4 #5

4 #6

2 #5

ρ = A _s /bd

0.012

0.016

0.007

0.016

0.023

0.012

f _y (0.2 % offset) (MPa)

897

839

897

890

926

890

R–O parameters

 A

0.0145

0.0203

0.0145

0.0145

0.0130

0.0145

 B

1,282

1,282

1,282

1,282

1,282

1,282

 C

2.5

2.4

2.5

2.5

2.5

2.5

f _c ′ (MPa)

89

89

89

114

112

116

Specimen cross sections

Specimen elevation