] [Thread] [Date] [Author]

[Scott Maxwell <smaxwell(--nospam--at)engin.umich.edu>]

Bill,

It seems that you have already found it in the ACI 336 documents per
Thomas' post...but just in case, look at section 4.3 of ACI 336.3R-93 (in
particular section 4.3.2).  It also refers to ACI 304R for placement of
concrete under water.

HTH,

Scott
Ypsilanti, MI


On Mon, 21 Jul 2003, Bill Polhemus wrote:

> Yes, and this is what I told the developer. When the developer/owner has an
> engineer standing there on one side saying "this is a problem, we need to
> consider the implications of this and come up with some solutions," and a
> foundation drilling contractor on the other saying "I've done it this way a
> thousand times. If we wait it's going to cost money," guess who he tends to
> hear?
>
> It's unfortunate, and it's compounded by the fact that this particular site
> lies outside the city limits, putting it into the no-man's-land of a Texas
> county. Counties in Texas are FORBIDDEN from enacting building codes, or
> providing any building code enforcement.
>
> There is not even a building permit needed on this project, except for flood
> control. As long as the civil pukes at the county engineering office are
> satisfied their precious stormwater's going where it's supposed to, no one
> gives a rip.
>
> So what it comes down to is my attempting to use my "moral authority" such
> as it is, to convince the developer to "do the right thing."
>
> And thus, my need for chapter-and-verse.
>
> Thomas Hunt reminded me about ACI (don't ask me why I didn't think to go to
> the MCP originally), and he's right. The information is right there,
> including discussion of slurry methods which I had mentioned to the
> developer (to the whistles and catcalls--"man, that's gonna be some
> money!"--of the foundation contractor).
>
> It's easy to say "let's do it right" when it's not my money, I suppose.
> Every day, in every way, I see the value of adopting building codes. Don't
> know when that's gonna happen in Texas, though.
>
> -----Original Message-----
> From: SAJ5(--nospam--at)inel.gov [mailto:SAJ5(--nospam--at)inel.gov]
> Sent: Monday, July 21, 2003 3:08 PM
> To: seaint(--nospam--at)seaint.org
> Subject: Re: "Water in the Hole"
>
> Most of the companies that make admixtures for concrete make "additives"
> for placing concrete underwater.   Some of their literature talks about the
> concerns related to that.  One is the possible increase in water/cement
> ratio.  Dropping the concrete into the water will increase that problem.
> I have placed concrete underwater with no problems but it usually requires
> a low slump mix or an additive in the mix design.
>
>
>
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