453035.fig.005a
(a)
453035.fig.005b
(b)
453035.fig.005c
(c)
Figure 5: (a) Comparison of the predicted and experimental curves of concrete containing 30% lightweight aggregate. (b) Comparison of the predicted and experimental curves of concrete containing 40% lightweight aggregate. (c) Comparison of the predicted and experimental curves of concrete containing 50% lightweight aggregate.