What are the causes of building collapse?

Buildings, like all structures, are designed to support certain loads without deforming excessively. The loads are the weights of people and objects, the weight of rain and snow and the pressure of wind–called live loads–and the dead load of the building itself. With buildings of a few floors, strength generally accompanies sufficient rigidity, and the design is mainly that of a roof that will keep the weather out while spanning large open spaces. With tall buildings of many floors, the roof is a minor matter, and the support of the weight of the building itself is the main consideration. Like long bridges, tall buildings are subject to catastrophic collapse.
The causes of building collapse of buildings are:-
  • Bad Design
  • Faulty Construction
  • Foundation Failure
  • Extraordinary Loads
  • Unexpected Failure Modes
  • Combination of Causes

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