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RE: Lean concrete

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Consider "flowable fill".  See http://www.irmca.com/flowfill/

Ed Marshall, PE
Simons Engineering
Atlanta

> -----Original Message-----
> From:	Roger Davis [SMTP:sds(--nospam--at)sdsarch.com]
> Sent:	Friday, September 18, 1998 9:05 AM
> To:	seaint(--nospam--at)seaint.org
> Subject:	Lean concrete
> 
> From: 	Szuchuan Chang[SMTP:szchang(--nospam--at)pacbell.net]
> > Sent: 	Thursday, September 17, 1998 4:13 PM
> > To: 	seaint(--nospam--at)seaint.org
> > Subject: 	Lean concrete
> > 
> > Need to fill thre 8'-deep pits that are housing floor scales.  Will
> need
> > about 400 cubic-yards of material to fill them.  Thinking of use
> lean
> > concrete to avoid the testing and inspection of compaction. (top 18"
> > must be concreted anyway.)
> > 
> > How to specify lean concrete that will be used for fill only?
> > 
> > Thanks
> > 
> > Sam Chang
> > Cupertino, CA
> 
> 
> I have used the following mix on many occasions for fill:
> 
> 1 1/2" rock		 800 pounds
>    3/4" rock		1000 pounds
> sand			1500 pounds
> cement			  141 pounds
> water			    30 gallons
> 
> Roger Davis
> SDS Architects, Inc.
> 
>