Glued
Laminated Timber (glulam) = (my def.) wood structural member made up of
laminating (gluing) relatively small pieces of wood together (in layers) to
make one much larger (and stronger) than the constituent pieces.
Bowstring
Trusses with Glulam Top and Bottom Chords, Victoria British Columbia Int'l
Airport, Canada ...
The
(glulam) members can be used for:
substitution for big solid timbers that are
unavailable (or too costly)
for timber sizes unachievable with solid
sawn timbers
for timbers requiring greater strength
and/or stiffness than solid timbers
For use in
simple framing ... glulam can be used for ...
joists, beams, girders, rafters
posts or columns
The thing
about glulam is that while providing support - it can also be very attractive,
and thus we could categorize the use of glulam also in terms of ...
un-exposed
exposed
Glulam can
also be made into curved shapes, and thus ...
cambered beams
curved beams (circular shape, S-shaped,
whatever)
... and
tapered, thus
tapered beams (single or double taper)
pitched and tapered curved beams
arches with tapers