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DIaphragm attachment for Gas Station Canopy? C-Clamps???

DIaphragm attachment for Gas Station Canopy? C-Clamps???

DIaphragm attachment for Gas Station Canopy? C-Clamps???

(OP)
I'm designing a gas station canopy for an architect in a high wind region and need some help on attaching the diaphragm. It appears from other plans I've looked at, that the diaphragm is typically on the bottom of the structural steel and attached with C-Clamps? Does anyone know where I can get capacites for these...or another idea for attachment??? I'm guessing I can't use welds or TEKS due to appearance issues?

Thank you!

RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

C-Clamps??? I knew these things were as bad as PEMBs, but wow, C-Clamps.

I'm sorry I can't help you. I have designed fuel canopies, but I used HSS.

RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

Same here. Always used cross bracing not a diaphragm. I never trust that the new tenant is going to replace the diaphragm if they remove it during renovations.

RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

Same experience as jayrod

Mike McCann, PE, SE (WA)


RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

maybe some bubblegum and superglue?

RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

(OP)
thanks for the info!...I'll x-brace it!

RE: DIaphragm attachment for Gas Station Canopy? C-Clamps???

I have broken stocky automotive C-clamps working on cars. They break in brittle fracture with no warning at very low loads.

Maine EIT, Civil/Structural.

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