What are the Primary and secondary load-bearing structures of high-rise concrete buildings? Bracing against the lateral load of wind and earthquake
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Walls, beams, columns, foundations etc can be called as primary or main load bearing components of a concrete building.
Examples of secondary load bearing structures would be the lintels in masonry walls, the shelf angles that support finishes when they span over a window or other opening and there are other odd and ends that provide support or stabilization such as cross bracing in steel bar joist or structural elements used during the construction of the building.
The load-bearing structure can be classified into two category-