how were bridges designed before, say 1850, sometimes way before, able to handle the weight of a ww2 tank?
Were they overbuilt by orders of magnitude, miracle of the arch, or something else?
In: Engineering
Yes they were mostly overbuilt. Keep in mind they didn’t have the same ability to calculate load bearing as now and it was an unbelievably amount of work to build these things before cranes and stuff were invented so they were built to be way stronger than they needed. The cost of one failing was massive.
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