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Re: Slurry

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How much shrinkage would you expect Nels?

Seems to me that a fairly flexible building like a trailer
would deflect enough under load to bear directly on
the slurry, even if it did shrink.

Dan Goodrich, P.E.


----- Original Message -----
From: "Nels Roselund, SE" <njineer(--nospam--at)att.net>
To: <seaint(--nospam--at)seaint.org>
Sent: Thursday, October 04, 2001 9:09 AM
Subject: Re: Slurry


> Sharon,
>
> Some thoughts on filling voids under treated mudsills on grade:
>
> A lean concrete slurry or controlled low-strength soil/cement material is
> likely to shrink as it cures, leaving narrow voids under the mudsills.
>
> It may be difficult to be sure that the voids are well filled: trapped air
> may prevent complete filling with a slurry.
>
> Would hand-placement of compacted soil be practical?  I'm visualizing
> excavating to make access to the voids and compacting with hand tools.  In
> order to solve a similar problem, I've use a hammer, with the head as my
> handle, and the butt-end of the handle as the compacting surface; wet the
> soil so that it can be molded by squeezing in the hand, to a stable shape
> that breaks when you try to deform it.
>
> Be sure to solve the cause of erosion -- if not, the new, harder material
> may redirect the flow of water which may cut new erosion channels.
>
> Nels Roselund
> Structural Engineer
> South San Gabriel, CA
> njineer(--nospam--at)att.net
>
> Nels Roselund
> Structural Engineer
> South San Gabriel, CA
> njineer(--nospam--at)att.net
>
>
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