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

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On Jul 16, 2006, at 12:47 AM, Robert Kazanjy wrote:

I think SImpson reudces their values depending on hole cleaning method, they even have a value for "no cleaning" but I'm sure there is a huge scatter on those values & I'd be reluctant to use those values.
Just out of my own curiosity, does anyone ever subject these items to cyclic loading or repeated sudden loads? I'd expect that repeated loads would reduce the capacity over time.

Christopher Wright P.E. |"They couldn't hit an elephant at
chrisw(--nospam--at)skypoint.com   | this distance" (last words of Gen.
.......................................| John Sedgwick, Spotsylvania 1864)
http://www.skypoint.com/~chrisw/


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