Fig. 8

Load–Displacement Curve, (a)1.0-FF-S1-W25-L50; (b)0.5-FF-S1-W50-L12; (c)0.5-PF-S1-W25-L65; (d)0.5-PF-S1-W20-L12; (e)1.0-FF-S2-W25-L30; (f)1.0-FF-S2-W30-L12.

Load–Displacement Curve, (a)1.0-FF-S1-W25-L50; (b)0.5-FF-S1-W50-L12; (c)0.5-PF-S1-W25-L65; (d)0.5-PF-S1-W20-L12; (e)1.0-FF-S2-W25-L30; (f)1.0-FF-S2-W30-L12.