ISBU House Prototype - Sunburst - Click Images
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ISBU House - Sunburst - 3D Model (2009) (This is the link to open the 3D model in the Hypercosm viewer. It will open in a new tab/window.)
Description:
Shipping containers are officially called ISBUs (Intermodal Steel
Building Units) . There is a growing movement across the globe for using these
units as building components for houses.* (ISBU
Quick Facts )
This model is one of my ISBU house prototypes. My "prototype" classification
means I'm only playing with the structural arrangement of the ISBUs, not depicting
a complete house model (doors, windows, etc.).
The Sunburst model was an exercise in fun, but it does depict some important
possibilities using these units in home construction. In particular, the
standardization of the ISBU units allows for economical usage of material for
the creative thinker. The corners of the ISBU are steel square posts. (See
it). Look at this model from the top and you can see how every other
unit on the second level has been wedge cut (orange) to fit in with the adjacent
(pink) unit. This cutting gives us a spare 2 vertical posts and 2 horizontal
beams per unit (from the cut orange units). We then place these posts under
the corners of the pink units, and the horizontal beams in a hexagon pattern
in the center (not shown in the model) weld it all up and we have a very
integral and solid structure. It all fits together nicely. In the 3D model,
you will see some odd looking flat rectangles on the roof. These are simple
representations of removed wall panels. I was playing with the idea of being
able to remove all the side walls on the second level and reuse them as gap
fillers for the roof. As you can see,
it works. There is even enough material left over to do the ends as well.
I should point out that if I took this model to the next level, there would
need to be some additional structural bracing not shown. In particular, in
the middle of the units on the bottom level, there would need to be some
vertical support added to properly support the units sitting on them. ISBUs
are very strong, but stacking them relies on stacking them on the posts,
not out in the center like I show.
This model uses 6 40' ISBUs on the first level, and 12 40' ISBUs on the second
level. If fully enclosed the resulting square footage is insane:
First level = ~6077 sq. ft total, 4157 sq.ft free spanned (using the center
post concept).
Second level = ~6077 sq. ft total
Using 18 40' ISBUs at an approximate cost of $36000 you get a grand total
of ~12154 sq. ft.! wow...
The glass end caps and dome are simple ideas I was playing with. This design
has a lot of flexibility. If we wanted to go crazy (and had a huge budget),
instead of using the steel panels for a roof we could cover the whole thing
with a dome. Now that would be awesome.
*There is currently a global surplus of these units due to global economic drop. They are sitting defunct in ship yards by the millions.
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