Response of the Flat Reinforced Concrete Floor Slab with Openings under Cyclic In-Plane Loading

Figure 9

Flat RC floor slab with different opening shapes: (a) elliptical opening, (b) circular opening, (c) L-shaped opening, (d) T-shaped opening, (e) cross opening, and (f) rectangular opening.

(a)

(b)

(c)

(d)

(e)

(f)