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Re: acceptable bend radius for a cable or tendon?

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Depending upon the rope. for a 7x7 rope, 42 times the rope diameter. For a 18x7, non-rotating, 36 times the rope diameter. Also check with the rope manufacture.


Neil Moore, SE, SECB
neil moore and associates
consulting structural engineers
shingle springs, ca


How do you determine an acceptable bend radius for tension only cable?  I
know for elevators they are switching to kevlar rope because it does not need
as big diameter and heavy of pulleys.

If you have a 3.5 or 4" diameter tension cable [not embedded in concrete] how
sharply can it safely bend in it's final state?


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