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RE: grout in lieu of conc.

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Thor,

Thanks, those are the things I need to know.  I read somewhere where shrinkage may be an issue.  May not be a problem in my instance which is a 16 ft span 4 ft wide pedestrian bridge which is actually a fancy water feature, but structural none the less. 

Thanks again,

Joe

 

Joseph R. Grill, PE

Verde Valley Engineering, PLLC

email: VVEng(--nospam--at)cableone.net

 

From: Thor Tandy [mailto:vicpeng(--nospam--at)telus.net]
Sent: Monday, October 11, 2010 5:06 PM
To: seaint(--nospam--at)seaint.org
Subject: RE: grout in lieu of conc.

 

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
Canada

 

 

 

From: Joseph R. Grill [mailto:vveng(--nospam--at)cableone.net]
Sent: Monday, October 11, 2010 4:46 PM
To: seaint(--nospam--at)seaint.org
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?

Thanks,

Joe

 

Joseph R. Grill, PE

Verde Valley Engineering, PLLC

email: VVEng(--nospam--at)cableone.net