Confined masonry is practiced across countries home to 3.5 billion people, nearly half the world. In this system, RC tie columns and tie beams confine loadbearing masonry walls, bonded through a toothed interface that makes them act as one wall. The tie columns can look like frame columns, but they do not behave like them.
Dr. Svetlana Brzev, who has led the Confined Masonry Network since 2008, walks through why that difference matters for modeling, design, and the many regions still building confined masonry without a code for it.
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