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Tilted Cat Head
Administrator
Location: Manhattan, NY
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Quote:
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Originally Posted by Ustwo
I think you missed a few words in this post, but have you ever worked a bellows?
Your arms move slowly, the air moves very fast. This is because the air is channeled and under pressure. I don't know about you but I think several thosand pounds of falling concrete will create a good deal of pressure. Not to mention that as things break they will shatter at supersonic speeds due to the nature of crack propagation, which would shoot debris out VERY fast with 'explosive' force. Its why an instron machine needs a shield when testing materials in compression.
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quite true, thanks for bringing that up, the idea of pressure is that it doesn't have to be for a long period of time but long enough for the subject to fail.
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