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Embedded steel plate in concrete
2

Embedded steel plate in concrete

Embedded steel plate in concrete

(OP)
Hello every body!
I am designing an steel anchorage and I have one doubt. I have a bolt postensioned, which has not contact with concrete. It is joinned with a steel plate which is embedded in concrete. When calculating the steel plate: Can I consider that the embedment improve the strength of the plate? or I have to consider uniquely the plate thickness?
PD.: attached sketch.
Thank you

RE: Embedded steel plate in concrete

You'll need to design the steel plate thickness for the applied concrete bearing stresses show in your right hand sketch.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Embedded steel plate in concrete

I assume uniform loading over the plate area, and then design the plate for that loading as though the concrete were not there. That is, I don't assume the plate is stiffened in any way by the concrete. This will usually lead to small thick plates.

RE: Embedded steel plate in concrete

(OP)
Thank you for the answers. Yes, designing the plate as though the concrete were not there is the practical way, but I need to reduce a little the thickness of the plate...

RE: Embedded steel plate in concrete

Quote (Alvarobg)

Yes, designing the plate as though the concrete were not there is the practical way, but I need to reduce a little the thickness of the plate...

It's not just the practical way, it's the right way. Unless you're willing to FEM model the whole assembly, I don't see how you could quantify what little benefit the surrounding concrete might offer in this case.

I like to debate structural engineering theory -- a lot. If I challenge you on something, know that I'm doing so because I respect your opinion enough to either change it or adopt it.

RE: Embedded steel plate in concrete

I can't see the plate thickness being reduced significantly anyway. It's not like you'd be able to go from 2" thick to 1/2". So why bother with the advanced analysis.

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