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Re: loadings associated with sea conditions
- To: <seaint(--nospam--at)seaint.org>
- Subject: Re: loadings associated with sea conditions
- From: "Mark D. Anderson PE" <mark(--nospam--at)alaskaengineer.com>
- Date: Wed, 12 Feb 2003 10:59:28 -0900
Another matter to consider may be that of
displacement compatibility. This is quite apart from inertial loading, and
has to do with the consequences of relative motions of the support and anchor
points, and is analogous to the problem of seismic anchor movements. This
happened to be a very big deal with the Cominco "Polaris Mine" project in the
Mark D. Anderson PE
----- Original Message -----
Sent: Wednesday, February 12, 2003 10:14
Subject: Re: loadings associated with sea
I've been involved with this two
or three times for structures secured to the deck of a ship for shipping
purposes. The only real difference is that you have to consider the
dynamic forces (both laterally and vertically) resulting from the movements of
the ship. The associated velocities and accelerations are normally
provided by a naval architect so you should ask "who is paying for this?"
before you sign the contract.
I should be surprised if the
work is technically beyond the ability of any reasonably competent American
structural PE. You probably want to make a point of developing a
friendly working relationship with the naval architect so that you can get
additional advice and assistance from him or her. You should find this
an interesting learning experience; I know I did.
H. Daryl Richardson
Ken Peoples wrote:
I have been given a project to consider that
involves building a structure to be installed on a ship. I am looking
for some guidance from those of you who are familiar with this type of
work. Perhaps this would be beyond my capabilities and I will
ultimately have to decline the work, but I would at least like to look into
it to see what is involved before I do so. This may be too obscure for
the general list so if any of you would like to respond in private to kpeoples(--nospam--at)lvta.net please feel free to do
so. Thanks, Ken Kenneth S.
Peoples, P. E.
Valley Technical Associates, Inc.
1584 Weaversville Road
Northampton, PA 18067-9039
Phone: (610) 262-6345
Fax: (610) 262-8188