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clevis capacity and tension rod

clevis capacity and tension rod

clevis capacity and tension rod

(OP)
I'm using a 4" rod to take up to 200 kips of axial force (service load). However, AISC table only goes up to #8 clevis with a capacity of 135 kips (safe working load with a safety factor of 5:1). Could anyone share your experience on how you deal with this situation, or if you know of any fabricators I can talk to?

Also, is it doable to specify a 60 foot long tension rod (right hand threaded at one end and left hand threaded at the other) without any turnbuckle in between?

Thanks.

RE: clevis capacity and tension rod

Cleveland City Forge is our vendor for clevises and turnbuckles. Largest we've used is for a 2" rod, but I suspect they have done larger.

Shipping on a 60' rod would probably be prohibitive. It is also much easier to tighten a rod through a turnbuckle than to try and take all of the slack out only at the clevises. You might take a look at coupling nuts to join shorter lengths of rod together, but they don't offer the slack adjustment potential of a turnbuckle.

RE: clevis capacity and tension rod

Check the on-line Crosby General Product Catalog for shackles and turnbuckles.

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