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RE: Slurry mix

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You might consider using a flowable fill, or “Controlled Low-Strength Material” (CLSM), made by using an admixture.  One product that can be used to make it is the Darafill additive by Grace Concrete Products.  Info at:


I believe if you use this product or one like it, the company’s technical support would help with mix design to achieve the desired strength.


-- Joel Adair, P.E.

    SHW Group

    Plano, TX


From: Raymond Shreenan [mailto:rshreenan1(--nospam--at)]
Sent: Monday, November 08, 2010 4:19 PM
To: seaint(--nospam--at)
Subject: Slurry mix


Hi Folks,


Is there a schedule of sand/cement/water mix ratios that would give a range of strengths of slurry when it sets up?  I need a mix that will be as good or better than 1500 psf bearing soil but can still be excavated if necessary.

Thanks in advance for any info on  mix ratios that you have used with those limitations. 


Ray Shreenan SE