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RE: ACI 318 Appendix D

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Michael,

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.

Freeman

 

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

 

Freeman,

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

MBJ

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.