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RE: ACI 318 Appendix D

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There is high strength grout between footing bottom and bearing plate top, then grout metal parts all around with minimum 3” concrete cover before backfilling will soils under concrete.



From: Michael Hemstad [mailto:mhemstad(--nospam--at)]
Sent: Friday, April 17, 2009 11:12 AM
To: seaint(--nospam--at)
Subject: ACI 318 Appendix D



am I to understand you put the steel plate and bolt head in the dirt, then pour concrete over it?  What about corrosion?


Mike Hemstad


Minneapolis, Minnesota


Freeman Tang wrote:


Through-bolts with bearing plate at footing bottom and embedded anchors

in footing are different in the way that through-bolts are externally

applied load from the underside of the footing and cast-in- anchors are

internally exerting forces inside the concrete footing.