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From: Dave SimmonsWell, if you assume a typical 18-wheeler, 60-70,000 lbs, and truck tires
Have we answered the question of trucks vs cars though? If we can keep
our pressures and forces straight, we should be able to calculate
which tires exert more pressure. I would guess this is most damaging
to a road surface. But, if we are talking about damage to a bridge or
culvert perhaps total force (weight) is the culprit.
Any highway engineers listening?
Dave