What is the difference between Impact and sudden loading?

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SUMMARY

The discussion clarifies the distinction between impact loading and sudden loading in structural engineering. Sudden loading refers to loads applied quickly, resulting in immediate stresses and deflections, while impact loading involves a collision process where loads are dropped from a height, significantly increasing initial stresses and deflections. For example, placing an object gradually on a cantilever beam leads to stresses in accordance with equilibrium laws, whereas dropping an object causes initial stresses that can be approximately double until dampening occurs. Understanding these differences is crucial for accurate structural analysis and design.

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rahulv44
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What is the difference between Impact and sudden loading? Explanation with an example would be convenient.
 
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I don't know if there is a formal definition, but I interpret sudden loads as loads that are applied quickly rather than gradually or slowly, for example, if you slowly apply an object
to the end of a cantilever beam, its stresses and deflections will be in accord with the laws for equilibrium , whereas if the object was placed very close to the beam and them dropped, stresses and deflections would initially be about twice as much until dampening restored the beam to the static condition. Impact loads, however , might be dropped from a height in a collision process, thereby greatly increasing initial stresses and deflections.
 

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