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RE: grout in lieu of conc.

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Pea gravel is smooth … I’d question its properties within the cement matrix … angular aggregate makes for a better composite … we use 3/8” coarse aggregate and that seems to pump fine …


Thor A. Tandy P.Eng, C.Eng, Struct.Eng, MIStructE, MSCSE
Victoria, BC




From: Joseph R. Grill [mailto:vveng(--nospam--at)]
Sent: Monday, October 11, 2010 4:46 PM
To: seaint(--nospam--at)
Subject: grout in lieu of conc.


I have a contractor that wants to use a pea gravel grout in lieu of regular aggregate concrete due to pumping reasons.  In all my years I have never been asked this.  At first thought I can’t think of a reason why not. Any reasons why not or anything else I should watch for?




Joseph R. Grill, PE

Verde Valley Engineering, PLLC

email: VVEng(--nospam--at)