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Re: point load vs. effective width[Subject Prev][Subject Next][Thread Prev][Thread Next]
- To: seaint(--nospam--at)seaint.org
- Subject: Re: point load vs. effective width
- From: <MSSROLLO(--nospam--at)aol.com>
- Date: Wed, 29 Jul 1998 18:34:30 EDT
I have done a few jobs where I had column loads on a "retaining wall". I ran a small finite element run of this area for most jobs and have not found a good correlation (rule of thumb) that I could use on later projects. The height/thickness ratio is apparently a factor. A tall-skinny wall appeared to distribute laterally differently (proportionally) than a short- thick wall. The center 1' foot was obviously the most stressed area and in most cases it appeared reasonable to use a total width that was not greater than the height. I think this correlates to the 30 degrees reccomended by someone else on the list. I also had a thickened wall area right at the column that affected the distribution. I cannot determine the width to use for your application, but I would adivise against exceeding the magnitude of the wall height without doing some in-depth investigation.
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