Table 2: Experimental parameters.

SpecimensStrengthened length (mm)FillerPrestressing level

Control
SL90-E-027000.90Epoxy0%
SL90-E-2027000.90Epoxy20%
SL90-E-4027000.90Epoxy40%
SL70-E-5021000.70Epoxy50%
SL83-E-4025000.83Epoxy40%
SL77-E-4023000.77Epoxy40%
SL70-E-4021000.70Epoxy40%