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Re: Repost: Splicing of precast concrete piles

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Sorry so late, I'm catching up on old digests....
I suggest this from the 1997 UBC:

"1808.4.3 Allowable stresses.  Precast concrete piling shall be
designed to resist stresses induced by handling and driving as well
as by loads.  The allowable stresses shall not......"   etc.

The tension stresses due to driving will be quite high,
and you must design for this.

Mark Swingle

previous message:

From: "Gunnar Hafsteinn Isleifsson" <gunnarhi(--nospam--at)>
To: <seaint(--nospam--at)>
Subject: Repost: Splicing of precast concrete piles

I am resending the request below, in the hope that someone can give me =
an answer, or point me in the right direction. I have been unable to =
find anything in the UBC97 or ACI318 regarding the subject, and I am at =
a loss where to search further. I have, as discussed previously, advised =
our client not to accept pile splices that are only able to transfer =
compressive loads, but he says he needs a code requirement like: =
"...minimum tensile or bending capacity of pile splices shall be =
such...". This is a long-time client and, even though we are not =
designing the pile foundation, I do not want him to get into any trouble =
because of this.

Gunnar Hafsteinn Isleifsson

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