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APA Engineered Wood Construction Guide

https://research.thinkwood.com/en/permalink/catalogue3089
Year of Publication
2019
Topic
Design and Systems
General Information
Material
Glulam (Glue-Laminated Timber)
CLT (Cross-Laminated Timber)
LVL (Laminated Veneer Lumber)
LSL (Laminated Strand Lumber)
PSL (Parallel Strand Lumber)
OSL (Oriented Strand Lumber)
Application
Floors
Walls
Roofs
Organization
APA
Year of Publication
2019
Format
Book/Guide
Material
Glulam (Glue-Laminated Timber)
CLT (Cross-Laminated Timber)
LVL (Laminated Veneer Lumber)
LSL (Laminated Strand Lumber)
PSL (Parallel Strand Lumber)
OSL (Oriented Strand Lumber)
Application
Floors
Walls
Roofs
Topic
Design and Systems
General Information
Keywords
Selection and Specification
Structural Composite Lumber
I-Joist
Engineered Wood Products
Construction
Research Status
Complete
Summary
Comprehensive guide to engineered wood construction systems for both residential and commercial/industrial buildings. Includes information on plywood and oriented strand board (wood structural panels), glulam, I-joists, structural composite lumber, typical specifications and design recommendations for floor, wall and roof systems, diaphragms, shear walls, fire-rated systems and methods of finishing.
Online Access
Free
Resource Link
Less detail

The Merits of Varying Forms of Mass Timber Products for Offsite and Modular Construction

https://research.thinkwood.com/en/permalink/catalogue2677
Year of Publication
2018
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
DLT (Dowel Laminated Timber)
Author
Hairstans, Robert
Smith, Ryan
Wilson, Peter
Year of Publication
2018
Format
Conference Paper
Material
CLT (Cross-Laminated Timber)
Glulam (Glue-Laminated Timber)
NLT (Nail-Laminated Timber)
DLT (Dowel Laminated Timber)
Topic
Design and Systems
Keywords
Solid Laminate Timber Systems
Offsite
Modular
Structural Composite Lumber
Timber
Conference
Modular and Offsite Construction Summit
Research Status
Complete
Summary
Mass timber is a family of Solid Laminate Timber Systems (SLTS) formed from smaller sections of timber connected by glue, mechanical fixings, moisture movement or a combination of methods. These products, which include Structural Composite Lumber, GluLam, Cross Lam, Nail Lam and Dowel Lam (or Brettstapel), have over the past two decades seen an extraordinary upsurge in use internationally. This global phenomenon has been driven by a greater emphasis on the sustainable use of renewable resources and by significant technological developments in the manufacture of SLTS. This research paper considers the merits of each of these products, their manufacturing processes and the corresponding quality assurance requirements necessary for successful project delivery. The paper describes the advantages and barriers to the use of the mass timber and provides an overview of the various aspects to be considered during design for offsite and modular construction. The work presented also provides case studies of how these products have been researched and utilised into live projects in the UK utilising local resource resulting in the formation of new supply chain arrangements. The work further explains the advantages of the respective systems for the given application including information on species selection, connection systems employed and the necessary onsite and offsite management approaches deployed.
Online Access
Free
Resource Link
Less detail

New Attributes and Economic Analyses of Composite CLT and Value-Added Appearance-Based CLT

https://research.thinkwood.com/en/permalink/catalogue354
Year of Publication
2014
Topic
Cost
Mechanical Properties
Material
CLT (Cross-Laminated Timber)
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
Author
Grandmont, Jean-Frédéric
Wang, Brad
Organization
FPInnovations
Year of Publication
2014
Format
Report
Material
CLT (Cross-Laminated Timber)
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
Topic
Cost
Mechanical Properties
Keywords
Delamination
Hardwood
Softwood
Structural Composite Lumber
Economic Analysis
Structural Properties
Aesthetic Properties
Research Status
Complete
Summary
The objective of this study was to examine new attributes and conduct economic analyses for composite CLT (CCLT) and value-added appearance-based CLT products manufactured with varying substitution of softwood lumber with structural composite lumber (SCL) and hardwood lumber. Incentives for including such materials could be aesthetic, structural and economic. Structural and aesthetic property assessments were carried out on prototype CLT panels. Multiple CLT panel configurations (17) were evaluated to assess the effects of including hardwood and SCL materials in the layups. Presence of hardwood in the panels’ configuration generally led to higher checking and density. Because of the higher shrinkage of hardwood, the bondline suffered from more delamination. A lower density hardwood (aspen) was included in some configurations and exhibited a greater direct compatibility with current Canadian manufacturing process. Changes to this process, such as selecting a hardwood specific adhesive may lead to improvements.
Online Access
Free
Resource Link
Less detail

Preliminary Evaluation of the Fire-Resistance of SCL Beams

https://research.thinkwood.com/en/permalink/catalogue378
Year of Publication
2014
Topic
Fire
Material
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
Author
Dagenais, Christian
Organization
FPInnovations
Year of Publication
2014
Format
Report
Material
LSL (Laminated Strand Lumber)
LVL (Laminated Veneer Lumber)
Topic
Fire
Keywords
Fire Resistance
Structural Composite Lumber
Research Status
Complete
Summary
The key objective of this study is to conduct a preliminary evaluation of the structural fire-resistance of selected structural composite lumber (SCL), namely laminated veneer lumber (LVL) and laminated strand lumber (LSL), in accordance with CAN/ULC S101 “Standard Methods of Fire Endurance Tests of Building Construction and Materials”.
Online Access
Free
Resource Link
Less detail