On Wed, 22 May 2013 14:10:34 -0700 (PDT), PolicySpy
A steel oceangoing cargo container fastened to the ground with steel
corner posts set in concrete footings 4 feet deep is about as close to
"storm protection" as you can get above ground, short of poured
concrete. Just need a way to secure the doors from inside
I have worked inside of the ocean going cargo containers and still seem
them often. These are not all that thick, they have to be to keep the
weight down. I certainly wouldn't want to put any survivability concerns
America is at that awkward stage. It's too late
to work within the system, but too early to shoot
I would bet if they are above ground, and earth piled up on
the sides in a slope to act as a berm, that would make it a useful
shelter. the slope of the dirt, and the dirt, would deflect or stop
windblown objects while the container itself would be the internal
form and structure... It looks doable with a few modifications. I
am not sure about rust and longevity tho.....
On Thu, 23 May 2013 22:00:09 -0400, firstname.lastname@example.org wrote:
We are talking about F-4s and the F-5 the other day, not those dust
devils they call a tornado up north. These things are monsters that
scare the hell out of me and I am a 3 time hurricane survivor.
A 200 MPH 2x4 will punch through 14 gauge mild steel but I think
containers are 16 gauge.
I have seen fork lift operators poke a hole in one by accident.
They are telling us when you get up around 160-170 MPH the 2x4 will
poke a hole in an un reinforced block wall.
I like the idea of the FEMA reinforced block bunker that is covered
with a dirt berm that another poster mentioned.
That is pretty much the way they built forts in the old days. If you
had an "L" shaped entry way to stop the door from getting a direct
hit, I would go there for anything but a nuclear blast.
Maybe if you piled dirt up against the sides of your container, you
would have something. I would pour the floor about 6-8" deep in
concrete to anchor it along with a poured footing around the perimeter
that had J bolts in it..
On Fri, 24 May 2013 00:46:04 -0400, email@example.com wrote:
They are 2mm Corten. That's 0.078 inches, which is 14 guage. Corten is
a fine grain high strength (relatively) steel.
Un re-enforced concrete is brittle and will not deform, so it
punctures. As for "dustdevil" tornados, I've seen wheat straw
embedded in white cedar hydro poles and pink fiberglass insulation
forced into concrete brick and angelstone to a depth of over half an
inch. Break the grey brick and it is pink all along the edge - closer
to an inch than half an inch. On the house I was cleaning up around
that day the garage (brick over 2X6 frame) had totally dissapeared,
the pickup beside it was found rolled up in a ball on a rockpile
almost a mile away, and the car basically didn't have a scratch on it.
Only part of one wall (brick fireplace) was left standing.
In another local one, a concrete slab silo half full of silage was
shifted about 18 inches off it's base.
Some of the containers are double wall - 2mm Corten outer and 1.6mm
corten inside. That's 14Ga outside and 16ga inside.
On a concrete slab with steel bars bolting the corner tie-down holes
to the slab would work pretty well, as long as the slab was thick
enough - perimeter footings a few feet down - and possibly a few 4
foot deep sonotube pilings tied in with rebar.
I've seen 20 footers bolted to 4 12" sonotube piles. Those "twist in"
foundation stabilizer piles would do the job in Oki clay.
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