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Re: Raymond Step Tapered Piles[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: <seaint(--nospam--at)seaint.org>, seaint(--nospam--at)seaint.org
- Subject: Re: Raymond Step Tapered Piles
- From: Neil Moore <nmoore(--nospam--at)innercite.com>
- Date: Mon, 08 Dec 2003 19:48:23 -0800
I have Raymond's Catalog's S-57 and S-60 in my files, but they don't provide any capacity's.
This sounds like a Raymond Standard pile - maximum length 37 feet. (These were developed in 1897). A 37 foot pipe has a 8" dia. tip and a 22.8" dia butt. "The shells are made of sheet steel and are internally reinforced with a spiral wire on a 3 \-inch pitch. The diameter increases uniformly at a rate of 1 inch for each 2-1/2 feet." The concrete strength should also be called out. These are probably end bearing piles.
Design by Seelye - 3rd edition - page 7-15
Pile Foundations by Chellis - 2nd edition - page 271
Introductory Soil Mechanics and Foundations - by Sowers and Sowers, 5th printing - 1957 - page 159
Foundation Engineer - by Peck 6th Printing - 1962 - page 176
Best reference (I have) - NAVFAC DM-7.2 - Table 1, page 7.2-180.
You also might check Section 2807 of an early UBC (the one that I can find here in the office is 1949) and section 1808.3 of the 97 UBC. Not a lot of difference.
Neil Moore, S.E.
neil moore and associates
Side note: I almost went to work for Raymond straight of college as an "assistant superintendent". I think one would start out counting blows for a while. One branch of the company used to be on Bigge Avenue in San Leandro.
At 12:59 PM 12/8/2003 -0800, THunt(--nospam--at)absconsulting.com wrote:
I have a seismic upgrade project where the original drawings of 1958 call out for Raymond Step Tapered Piles approximately 32 feet long with a seal tip not less than 8 inch diameter and an average diameter not less than 12 inches. I seem to remember these to be a proprietary pile from Raymond where they screwed pipe sections together, pounded the casing to depth, then filled the casing with concrete.
Does anyone have any technical information on these piles? I believe that they use to have a catalog of details and properties.
Thomas Hunt, S.E.
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