Fig. 13

Damage of coupling beams, (i) Pattern of cracks at failure stage and (ii) mode of failure for specimens: (a) S, (b) E-Op, and (c) E-Op-Ad.

Damage of coupling beams, (i) Pattern of cracks at failure stage and (ii) mode of failure for specimens: (a) S, (b) E-Op, and (c) E-Op-Ad.