There are different ways to curve out
the cube of the metal.
If worried about deformation of the metal,
such as length of the bars, it can be
secured from the top by leaving
a connecting area between top of the bars.
so stability possible until the walls are
placed, and another shell is placed
on top of this to be welded.
curving out the metal from two axis points,
from top to bottom, and from side to side.
can also create better shapes in faster times.
reading Mr Quinn's relay, there's some negativity
present.
It's basically a curved out metal stable enough
for compressed earthen walls to wrap around it.
Speed will be... far faster than anything traditional.
And metal is recyclable... melting them again,
entirely depends on energy. So, re-usable solar,
enough on site. Although, it would be
using more metal than the usual construction,
its volume can be reduced if the structure is
in a 'mesh' (like the Eiffel tower)
the base, and even the bars, perhaps.
That is to reduce the volume it takes while
keeping its structural integrity...
i doubt the bars will bend/deform from certain
heights, if the metal diameter is thick enough.
it's from a cube. depends on how it is cut out.
doesn't have to be a 'bar' either. can be
a rectangle beam.