As talked over over, concrete is rather solid in compression, but weak in stress. More substantial earthquakes can make really large shear hundreds on constructions. These shear hundreds matter the construction to both of those tensile and compressional hundreds. Concrete structures without reinforcement, like other unreinforced masonry constructions, can fail https://charliemkgcw.blogstival.com/57459189/concrete-reinforced-house-secrets