As talked over above, concrete is very powerful in compression, but weak in rigidity. Much larger earthquakes can crank out really significant shear masses on structures. These shear masses issue the framework to the two tensile and compressional loads. Concrete buildings without reinforcement, like other unreinforced masonry constructions, can fail https://elliottg0zyx.theisblog.com/36045186/about-concrete-reinforced-wall