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Billboard/Signboard Rigid Base Plate Connection

Billboard/Signboard Rigid Base Plate Connection

Billboard/Signboard Rigid Base Plate Connection

(OP)
Hello,

We are working on a fairly decent sized billboard and have come up against some trouble finding any information on designing the rigid baseplate connection.
The billboard is supported using a single column (1016 SHS). We are thinking we will use hold down bolts embedded fairly deeply into a very large reinforced pad footing.

I've read through the forums and haven't seen any information based on Australian codes. Has anyone had any experience, or can offer up any advice?

Thanks in advance.

RE: Billboard/Signboard Rigid Base Plate Connection

I know it is not the governing code in Aus, but AISC Design Guide No1 has a pretty solid walk-through for base plate design. I am sure you can find a free version online with a few searches.

Personally I think they have a step in their process which is over conservative but that isn't a bad thing and leads to a small amount of extra thickness (little cost for added strength)

RE: Billboard/Signboard Rigid Base Plate Connection

The Eighth edition of the AISC Steel Design Manual had some good examples too. I used those to design base plates for a high rise back in '82.

FYI... Many of the anchor bolts I have designed have extended down into Australia. Maybe you could tie into those... shocked As for the base plates, well, they are thick, but not that thick.

Mike McCann
MMC Engineering

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