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RE: Strength of poorly consolidated concrete

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Unconsolidated concrete could have a poor bond to rebar.  It will also probably be lower strength, have less resistance to water/salt ingress and deteriorate earlier.  It also doesn't look good.
Sharlie Huffman, P.Eng.

Ministry of Transportation
Bridge Seismic Engineer
4B - 940 Blanshard
Victoria, BC V8W 3E6
(B) 250-356-0761
(F) 250-387-7735


From: Jim Wilson [mailto:wilsonengineers(--nospam--at)]
Sent: Wed, March 22, 2006 5:33 AM
To: seaint(--nospam--at)
Subject: Strength of poorly consolidated concrete

What is the structural effect of poorly consolidated concrete?  Is there just a potential loss of section area at voids, or does the chemistry of the concrete suffer substantially as well?
How rough does a wall have to appear before concrete testing becomes advisable?
Jim Wilson, PE
Stroudsburg, PA