23May/11Off
Pyramid Lead
What do you believe would be the best structure to hold a load directly at the top?
I would be lead to believe that a pyramid would be the best, because the design would spread the load out equally throughout the structure. Give me your opinions with reasons why, possibly cited sources.
also about wind, I seen something on history or discovery channel, i forgot which, where it showed a small to-scale pyramid in a wind tunnel with smoke injected, and the wind created a vortex behind the pyramid.
A pyramid would be an good support for a load on top. It would distribute the load to a broad base thereby allowing a low soil bearing pressure. However, if the load on top was of any height or subject to wind loads, the pointed top would have to be changed to provide a flat surface that could be used to anchor the load. We seldom see pyramids as support structures because that would be too expensive to construct. Instead we see columns, rectangles and other shapes in buildings or power lines. In considering a structure to support a load, economy is important. You have the right concept of supporting the load on a broad base if the soils are weak.
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