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RE: Negative Structures.

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I believe the proper term should be "caisson" (not to be confused with
drilled pier).
Bob Germaine, PE

> ----------
> From: 	T. Eric Gillham[SMTP:gk2(--nospam--at)kuentos.guam.net]
> Sent: 	Thursday, April 02, 1998 1:53 PM
> To: 	seaoc list
> Subject: 	Fw: Negative Structures.
> 
> 
> Yeah yeah yeah!
> 
> I figured someone would actually read that post and comment on it!
> 
> Actually, the reason why I included the -3 stories, besides perhaps
> piquing
> someone's interest, was because it was an interesting project (for Guam
> anyway).  The project was a pump station that extended 30' below grade. 
> Because the structure was located adjacent to the ocean, it would have
> been
> very difficult for the contractor to excavate and cast in place (water
> table at about 2').  So, we worked it out with the contractor and had them
> incrementally build the structure on grade, while digging it out from the
> inside so that it sank.  I believe there is a specific name for this type
> of construction method, but to my knowledge it was the first on Guam.  So
> THAT's why I listed it as a negative structure, FYI.
> 
> T. Eric Gillham PE
> ----------
> > From: John Nichols <cejn(--nospam--at)engmail.newcastle.edu.au>
> > To: seaoc(--nospam--at)seaoc.org
> > Subject: Negative Structures.
> > Date: Thursday, April 02, 1998 12:58 PM
> > 
> > Dear Dennis,
> > 
> > It has been an awful day.  I broke the hand brake cable, after breaking
> a
> > transmission cable and a return line on some sort of emisssion control.
> > 
> > I made a mistake on a tutorial problem yesterday.  
> > 
> > Our other car won't be back from the panel beaters  till next week.
> > 
> > Obviously God whereever she is decided to remind me that life is short.
> > 
> > Then I read an email on the seoc list and it brightened up my whole day.
> 
> I
> > thought you might like it.
> > 
> > Structures he has worked  on (or supervised) range from -3 to 32
> storeys.
> > 
> > I always wondered what a negative structure looks like.  (Before y'all
> jump
> > down my throat I realize what the Engineer was trying to say.  But it
> was
> > just so humourouse I decided to share it.
> > 
> > John
> > 
> > 
> > 
> 
> 
>