8. Why, in some earthquakes, does most of the damage occur to buildings of a certain height, wher...
8. Why, in some earthquakes, does most of the damage occur to buildings of a certain height, whereas taller and shorter buildings receive little damage?
Homework Answers
8. Why, in some earthquakes, does most of the damage occur to buildings of a certain height, whereas taller and shorter buildings receive little damage?
all buildings do not respond to an
earthquake equally. If the frequency of an oscillation is close to
the natural frequency of the building, resonance may cause
severe
damage i.e. frequency of earthquake meets natural frequency of
building
Large structures or high rise buildings are more affected by long period, or slow shaking I.e. low frequency earthquake and shorter building by high frequency
The resonance frequency of buildings
of certain height
coincided with the frequency range amplified most frequently in the
subsoils.
So they get more damage in comparison to taller and shorter building
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