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Re: Structural importance of full-depth shrinkage cracks

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Thus, the "other" possilbe mechanisms that I referred to...

Scott


On Sun, 27 Feb 2005 Rhkratzse(--nospam--at)aol.com wrote:

> In a message dated 2/26/05 11:46:45 PM, smaxwell(--nospam--at)engin.umich.edu writes:
>
> > there needs
> > to be some flexural compression to "balance" out the flexural tension.
> >
> Yes, but there may be a significant amount of pure catenary tension in the
> bottom rebar that doesn't need to be balanced by any compression at the top.
> Frankly I can't imagine how there could be an open crack at the top, or full
> depth, without a whole LOT of catenary tension in the rebar.
>
> Ralph Hueston Kratz, S.E.
>

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