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Table 5 Classification of the post-cracking strength of SFR-SCC in compliance to “fib Model Code 2010” [16]

From: X-ray computed tomography of fibre reinforced self-compacting concrete as a tool of assessing its flexural behaviour

Specimen f L (MPa) f R,3/f R,1 f R,1/f L Classification
Nominal strength class Residual strength ratio
00 2.51 n/a n/a n/a n/a
AI 3.58 0.632 0.849 3 a
AII 3.77 0.883 0.793 2.5 b
BI 4.67 0.784 0.921 4 b
BII 4.54 0.760 0.901 4 b
CI 7.28 0.584 0.992 7 a
CII 6.74 0.921 0.806 5 c
DI 4.79 0.931 0.906 4 c
DII 4.59 0.650 0.915 4 a
EI 6.59 0.754 0.964 6 b
EII 7.16 1.191 0.703 5 d
FI 6.37 0.869 0.922 5 b
FII 8.74 0.900 0.905 7 b
GI 3.82 0.723 0.851 3 b
GII 3.44 0.763 0.552 1.5 b
HI 4.49 0.831 0.960 4 b
HII 4.70 0.720 0.828 3 b
JI 6.16 0.803 0.966 5 b
JII 6.79 0.828 0.960 6 b
KI 4.66 0.783 0.951 4 b
KII 4.15 0.690 0.964 4 a
LI 6.01 0.787 0.967 5 b
LII 7.56 0.813 0.955 7 b
MI 5.59 0.790 0.970 5 b
MII 9.87 0.918 0.969 9 c
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