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Re: L-shaped Anchors[Subject Prev][Subject Next][Thread Prev][Thread Next]
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- Subject: Re: L-shaped Anchors
- From: Drew Morris <dmorris(--nospam--at)bbfm.com>
- Date: Fri, 03 May 2013 07:36:42 -0800
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I can't provide documention, but a fellow in the office was attending a seminar years ago and the speaker talked about a case where wind loads on a column for a building under construction wasn't braced properly. The wind worked the anchor bolts loose by "pulling around the corner" so the column toppled over one night.
On 5/3/2013 5:35 AM, Paul Ransom wrote:
This leads into a question that I ask every time the topic comes up: Does anybody have any first hand knowledge or are they aware of a documented failure that was initiated at the anchors? Harold previously described, as an example, a pressurised vessel that relied on substantial and sustained tension in the anchors. However, for more conventionalstick-frame structures, has anybody ever observed a failure due to pullout of bent rods? I would even accept a research report on bent anchor performance.I like the one about the offset CG. That gives credibility to the installer who swears the anchors were straight when they left for lunch.Regards Paul Ransom, P.Eng.From: Jim Getaz <jgetaz(--nospam--at)shockeyprecast.com> Note that despite the sketch on ACI Appendix D, people frown on
Truncated 377 characters in the previous message to save energy. -- *Drew Morris, PE*| /Project Engineer/ BBFM Engineers, Inc. <http://www.bbfm.com/> 510 L Street, Suite 200 | Anchorage, Alaska 99501 Ph: (907)274-2236 | Fax: (907)274-2520 | Web: www.bbfm.com -------------------------------------------------------------------------Post your message to the list by sending it to: SEAINT-SEAOSC(--nospam--at)mail-list.com.
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- L-shaped Anchors
- From: Paul Ransom
- L-shaped Anchors
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