Core walls; Reinforced masonry; Boundary elements; Experimental testing; Displacement ductility; Shear strength; Masonry assemblages; Reinforcement configurations; Failure mechanism; Crack propagation; Concrete block masonry; Seismic response; Nonlinear analysis; Higher modes; Dual plastic hinge; Confinement; Seismic collapse; Fragility curves; Seismic performance; Incremental dynamic analysis; FEMA P695; Applied element method; Performance-based design; FEMA P58.