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Cable Stayed Bridge Standards

Cable Stayed Bridge Standards

Cable Stayed Bridge Standards

(OP)
I anticipate to soon begin a project on a small cable stayed footbridge.

Does anyone know of a standard for cables or strand in cable stayed bridge applications? Or perhaps a more general standard or reference literature that would contain information on safety factors for cable?

Thanks so much.

RE: Cable Stayed Bridge Standards

Try Mark Ketchum's web site or at least ask him. He is a great bridge designer and I have lots of respect for his expertise. His web site is http://www.ketchum.org/

Good luck.

RE: Cable Stayed Bridge Standards

The American Iron and Steel Institute published book called "Manual for Structural Applications of Steel Cables for Buildings" in 1973.  I don't know if they ever updated it or abandoned it.  It was somewhat helpful.

You might try their website:

www.steel.org

RE: Cable Stayed Bridge Standards

Communication tower manufacturers such as PiROD and ROHN list breaking strengths of EHS and Bridge Strand cables in their catalogs. I don't know about bridge applications, but in telecommunications the EIA/TIA standard requires a factor of safety of 2.0 for guys and components.

RE: Cable Stayed Bridge Standards

I worked on the design of a short span cable-stayed bridge four years ago. Bethlehem Steel/Williamsport Wirerope Works provided us with catalogs for strand, rope, and socket details. (I assume they're still in business). They're in Williamsport PA; 570-326-5146.

Also, you need to consider corrosion protection. If you're going to have exposed strands you'll need to select from Class A, B, or C galvanizing. And remember to find out about the lead time for strand fabrication and galvanizing.

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