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RE: Retaining wall extremes

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One foot over a 30’ span between walls???  Poor formwork on the contractor’s part?


David A. Topete, SE


From: Garner, Robert [mailto:rgarner(--nospam--at)]
Sent: Friday, May 18, 2007 8:10 AM
To: seaint(--nospam--at)
Subject: RE: Retaining wall extremes


Had a contractor backfill a basement retaining wall while the concrete was still green.  The wall spanned horizontally between two side walls.  The wall bowed inwards almost a foot over a span of about 30 feet.  The contractor just took his backhoe, removed the fill, and then used the backhoe to shove the wall back into position.  Since the concrete was still green during this operation, the wall went right back into place with no cracking.  After the wall cured, cores were taken and the concrete met design strength and everybody lived happily ever after.


Bob Garner

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