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Home > Archive > Building and Construction > June 2006 > Re: steel building-OOPS!
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Re: steel building-OOPS!
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| Bob Morrison 2006-06-14, 1:21 pm |
| In a previous post Bob Morrison wrote...
>
> The vertical steel beams are called soldier piles. 8' o/c is too far
> apart for 2x8 timber lagging. a more common spacing is is in the 4-6 foot
> range for 4x6 material
>
> Recycled concrete is a good fill material unless the pieces are 6 inches
> and smaller. You still need a place to set the building columns. That
> can be done on the soldier piles, but the foundation should be properly
> designed to take the loads.
>
The second paragraph should have read:
"Recycled concrete is NOT a good fill material unless...."
--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com
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| john jacob 2006-06-15, 1:21 am |
| Bob Morrison wrote:
> In a previous post Bob Morrison wrote...
>
>
>
> The second paragraph should have read:
>
> "Recycled concrete is NOT a good fill material unless...."
>
Thank you. The concrete fill that I have used, is small crushed pieces.
I use it on my driveway. It packs well. It becomes very solid when
rolled. You mentioned placing the truss anchors on top of the soldiers
piles. This seems like a good soluton. Welding plates on top, bolting
the truss plates to them. However, this would require very accurate
placement of the piles. Also, I would like the the soldier piles, and
the retaining wall to be out beyond the building. I think it would be
easier to dig footers through the fill, down 30 inches below the
original grade, install form tubes and pour concrete to the top of the
new grade.
Ideas?
John
So the retaining wall, and fill idea is possible. I would have to
figure the spec on the I beam to use for the soldier piles. As well as
the lumber. You mentioned 4x6. I have never seen 4x6 pressure treated
lumber. Is that available?
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| Bob Morrison 2006-06-16, 9:42 am |
| In a previous post john jacob wrote...
> Thank you. The concrete fill that I have used, is small crushed pieces.
> I use it on my driveway. It packs well. It becomes very solid when
> rolled. You mentioned placing the truss anchors on top of the soldiers
> piles. This seems like a good soluton. Welding plates on top, bolting
> the truss plates to them. However, this would require very accurate
> placement of the piles. Also, I would like the the soldier piles, and
> the retaining wall to be out beyond the building. I think it would be
> easier to dig footers through the fill, down 30 inches below the
> original grade, install form tubes and pour concrete to the top of the
> new grade.
> Ideas?
>
> So the retaining wall, and fill idea is possible. I would have to
> figure the spec on the I beam to use for the soldier piles. As well as
> the lumber. You mentioned 4x6. I have never seen 4x6 pressure treated
> lumber. Is that available?
>
Your plan is workable, but I think you need some professional design help.
Design of a soldier pile wall is not a simple task. And yes they do make
PT 4x6 for in ground use.
--
Bob Morrison, PE, SE
R L Morrison Engineering Co
Structural & Civil Engineering
Poulsbo WA
bob at rlmorrisonengr dot com
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