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Green-glued laminated beams : High performance and added value

Serrano, Erik LU ; Oscarsson, Jan; Enquist, Bertil; Sterley, Magdalena; Petersson, Hans and Källsner, Bo (2010) World Conference on Timber Engineering, 2010 In 11th World Conference on Timber Engineering 2010 (WCTE 2010)
Abstract
<p>The work presented in this paper deals with the use of green gluing (also known as wet gluing) as a mean to overcome the difficulties in making use of side boards for structural applications. By manufacturing laminated beams from unseasoned side boards several advantages are obtained. Beams were manufactured from side boards of approximately 25 mm thickness. The board width was 120 mm. The boards were glued together with a 1-component polyurethane adhesive to form a beam cross-section of approximately 120×315 mm2. After curing, the beams were split into two halves, each approximately 55 mm wide. These 55×315 mm2 beams were then dried in a conventional kiln dryer. Finally, the beams were planed to target size, 50×300 mm2. Tests... (More)
<p>The work presented in this paper deals with the use of green gluing (also known as wet gluing) as a mean to overcome the difficulties in making use of side boards for structural applications. By manufacturing laminated beams from unseasoned side boards several advantages are obtained. Beams were manufactured from side boards of approximately 25 mm thickness. The board width was 120 mm. The boards were glued together with a 1-component polyurethane adhesive to form a beam cross-section of approximately 120×315 mm2. After curing, the beams were split into two halves, each approximately 55 mm wide. These 55×315 mm2 beams were then dried in a conventional kiln dryer. Finally, the beams were planed to target size, 50×300 mm2. Tests performed included beam bending tests for strength and stiffness, tests of the shape stability of the beams, tests of the integrity of the adhesive bond lines (delamination) and tests on the strength and fracture energy of the adhesive bond lines. The main results obtained show that there is a potential for the production of green-glued laminated beams with good technical performance.</p> (Less)
Please use this url to cite or link to this publication:
author
publishing date
type
Chapter in Book/Report/Conference proceeding
publication status
published
subject
in
11th World Conference on Timber Engineering 2010 (WCTE 2010)
publisher
Trees and Timber Institute, National Research Council
conference name
World Conference on Timber Engineering, 2010
external identifiers
  • Scopus:84870408267
ISBN
978-1-62276-175-3
language
English
LU publication?
no
id
cb80d2f7-5280-45b0-a6a7-4ebf36540a1d (old id 4770374)
date added to LUP
2014-11-07 14:46:53
date last changed
2016-10-13 04:42:54
@misc{cb80d2f7-5280-45b0-a6a7-4ebf36540a1d,
  abstract     = {&lt;p&gt;The work presented in this paper deals with the use of green gluing (also known as wet gluing) as a mean to overcome the difficulties in making use of side boards for structural applications. By manufacturing laminated beams from unseasoned side boards several advantages are obtained. Beams were manufactured from side boards of approximately 25 mm thickness. The board width was 120 mm. The boards were glued together with a 1-component polyurethane adhesive to form a beam cross-section of approximately 120×315 mm2. After curing, the beams were split into two halves, each approximately 55 mm wide. These 55×315 mm2 beams were then dried in a conventional kiln dryer. Finally, the beams were planed to target size, 50×300 mm2. Tests performed included beam bending tests for strength and stiffness, tests of the shape stability of the beams, tests of the integrity of the adhesive bond lines (delamination) and tests on the strength and fracture energy of the adhesive bond lines. The main results obtained show that there is a potential for the production of green-glued laminated beams with good technical performance.&lt;/p&gt;},
  author       = {Serrano, Erik and Oscarsson, Jan and Enquist, Bertil and Sterley, Magdalena and Petersson, Hans and Källsner, Bo},
  isbn         = {978-1-62276-175-3},
  language     = {eng},
  publisher    = {ARRAY(0xb598e60)},
  series       = {11th World Conference on Timber Engineering 2010 (WCTE 2010)},
  title        = {Green-glued laminated beams : High performance and added value},
  year         = {2010},
}