Table 4: Maximum lateral strength and ultimate drift ratio.

GroupSpecimen designationUltimate strength concrete (MPa)ExperimentTheoretical prediction
Maximum lateral strength (kN)Ultimate drift ratio (%)Maximum lateral strength (kN)Ultimate drift ratio (%)

Group 112L-0.24.823.253.49621.621.033
12L-0.63.816.321.76019.760.411
Group 29L-0.25.413.804.05612.591.400
9L-0.65.015.651.78514.320.560