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There are additional considerations, rather than that of rain, snow, and wind loading, that will impact the cohesion of any all-steel structure. These involve temperature loads as well as seismic (or earthquake) loads.

The destruction generated by a mighty earthquake on existing structures can be a sobering warning of what nature can inflict on manufactured structures. Once more is understood about seismic action, the more that construction standards are adjusted to estimate resistance and defection in a building to this activity.