"Hugo Nebula" abuse@localhost wrote in message
...
[Default] On Tue, 14 Jun 2011 13:47:19 +0100, a certain chimpanzee,
"mark" , randomly hit the keyboard and
wrote:

I think I understand what your saying but working out areas is the tricky
bit for me. I can do the maths but determining the areas of wall and roof
bearing down on to the lintel is where I come unstuck.
Thanks

That's the simple bit. How tall is the wall? Multiply by the width of
the opening. Do the floor joists bear onto this lintel (directly or
indirectly)? If so, take half their length ('cos they're supported at
both ends), and multiply by the width of the opening. Do the rafters
and ceiling joists bear onto this lintel? ...
--


The floor joists run parallel to lintel so I presume have no bearing on the
lintel.
The wall will be about 2.4m and the width 2m of which will be a window 2m
by 1.2m.
So about 2.4sq. m of brick/block wall directly above. I don't think it's
that easy because of triangulation which I'm aware of but my understanding
of which is a bit woolly. Is it an equilateral triangle with a base, in my
example of 2m wide?


Thanks for bearing with me.

mark