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Glulam

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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Glulam

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  1. Glulam

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

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

  4. Glulam Framing • Glulam simply provides the necessary framing • Exposed, ... or not

  5. 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.)

  6. (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)

  7. how large?

  8. 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!

  9. … 1.7 km of lam material

  10. THE FINGER JOINT!

  11. ... 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!

  12. ... 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.

  13. Also ... ... `thin’ laminations may be (pre-) bent before bonding ... allowing ... CURVED (and cambered) shapes!

  14. BEAMS! STRONG BUT SIMPLE • DESIGN … is simple. • CONSTRUCTION … is simple. ( … though may require a crane!) • LOOK … is simple … ... yet STRONG, STABLE.

  15. Some S-Shaped Beams! Baby!

  16. 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!

  17. Still quite do-able!

  18. LET’S LOOK AT SOME MORE!!! (CUSTOM STUFF)

  19. BRIDGES ... • PEDESTRIAN • VEHICULAR

  20. GLULAM!

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