Bending Performance of Precast Lightweight Aggregate Concrete Exterior Wallboard with a Concealed Rib Sandwich Structure

Figure 9

Load-deflection curves in the top and bottom of Slab 1-Slab 4: (a) Slab 1; (b) Slab 2; (c) Slab 3; (d) Slab 4.

(a)

(b)

(c)

(d)