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Table 2 Concrete characteristics.

From: The Effect of Rebar Embedment and CFRP Confinement on the Compressive Strength of Low-Strength Concrete

Concrete mix number Axial ultimate strain (mm/mm, %) Axial cracking strain (mm/mm, %) Average compressive strength (MPa)
1 0.35 0.22 14.77
2 0.35 0.24 12.45