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Re: big dig structural failure - epoxy anchors overhead supporting gravity

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On Jul 16, 2006, at 12:15 PM, Nels Roselund wrote:

I wonder about the overhead installation -- freshly placed epoxyie have
fluid consistencies of various viscosities.
That's interesting (cultural value) too. Not that I know anything much about it, but I usually think of anchor bolting as not carrying a hell of a lot of real loading except when a structure has hellacious uplifting loads. Friction carries the shear and bearing carries the direct loading. When you start putting anchor bolts in tension, especially cyclic tension you're asking for trouble.
Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw(--nospam--at)   | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania 1864)

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