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Glulam. Glulam use in Structures. Glulam Structures ( per se ) … G lulam provides unique, noticeable structure … arched structures, religious structures, public centers, gymnasiums, etc. Structures Highlighting Glulam

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slide2

Glulam use in Structures

  • Glulam Structures(per se) …
    • Glulam provides unique, noticeable structure … arched structures, religious structures, public centers, gymnasiums, etc.
slide4

Structures Highlighting Glulam

    • Glulam used for necessary structure provides architectural – aesthetic appeal … big exposed beams … curved, straight, etc.
slide6

Glulam Framing

    • Glulam simply provides the necessary framing
    • Exposed, ... or not
two types of glulam
Two Types of Glulam!

(From a Manufacturing Point of View)

  • Custom …
    • arches, curved, tapered, curved and tapered, etc.
    • unlimited shapes and sizes possible
    • we/you (designers) will be directing the manufacturer what to make (species, layup, size, shape, curvature, appearance, etc.)
from a manufacturing point of view
(from a manufacturing point of view)!
  • Stock …
    • Manufactured efficiently and economically in large volumes to suit framing needs of construction industry
    • We (designers) will be specifying standard sizes and grades … beams that are `already made’ … (and stocked at distribution yards)
beam s shown
Beam(s) shown …
  • 14-3/8 in. wide (365 mm)
  • 58.5 in. deep (1486 mm)
  • 72 ft long (22 m)
  • … and some have been manufactured to twice that depth and twice that length!
the whole deal with glulam
... the whole deal with glulam!
  • THE FINGER JOINT ALLOWS MANUFACTURING OF BEAMS OF ESSENTIALLY UNLIMITED LENGTH (UNLIMITED LENGTH LAMINATIONS)
  • Q: WHAT GENERALLY LIMITS GLULAM SIZES?
  • A: TRANSPORTATION!
what s cool
... what’s cool?!!!
  • DESIGNERS DON’T WORRY ABOUT THE FINGER JOINTS
  • DESIGNERS DON’T WORRY ABOUT THE LAM-TO-LAM BONDING

THE MANUFACTURERS worry about that stuff.

slide19

Also ...

... `thin’ laminations may be (pre-) bent before bonding ... allowing ...

CURVED (and cambered) shapes!

beams strong but simple
BEAMS! STRONG BUT SIMPLE
  • DESIGN … is simple.
  • CONSTRUCTION … is simple.

( … though may require a crane!)

  • LOOK … is simple …

... yet STRONG, STABLE.

custom
Custom
  • not quite as easy to manufacture
    • curved jigs and/or presses
    • non-uniform lamination thickness for tapered members
    • will be reflected by higher unit costs
  • and not quite as easy to design ...

… BUT!

bridges
BRIDGES ...
  • PEDESTRIAN
  • VEHICULAR