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Evaluation of the Moisture Content in Stiffness Properties of Structural Glulam Beams

https://research.thinkwood.com/en/permalink/catalogue282
Year of Publication
2015
Topic
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Author
Lahr, Francisco
Christoforo, André
de Campos, Cristiane
Morales, Elen
Barbosa, Juliana
Panzera, Túlio
Publisher
Scientific.net
Year of Publication
2015
Country of Publication
Switzerland
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Application
Beams
Topic
Mechanical Properties
Keywords
Modulus of Elasticity
Storage Time
Static Bending Test
Language
English
Research Status
Complete
Series
Advanced Materials Research
Summary
This research aimed to evaluate the influence of storage time (0, 96 hours) of Pinus elliottii pieces and the tests to obtaining modulus of elasticity (static bending and transversal vibration) in glued laminated timber beams, produced with resorcinol based adhesive and 0.8 MPa compaction pressure. After pieces were properly prepared, part of them was used in immediate three manufacturing glulam beams, tested after adhesive cure, and part stored for 96 hours under a roof with a temperature of 25oC and relative humidity of 60% for subsequent manufacturing and testing three other glulam beams. Results of analysis of variance (ANOVA) revealed that the storage period was significant influence in modulus of elasticity obtained in static bending test (8% reduction from 0 to 96 hours). This not occurred with modulus of elasticity obtained by transversal vibration test (no significant influence). ANOVA results showed equivalence of means in both test procedures.
Online Access
Free
Resource Link
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Structural Performance Analysis of Cross-Laminated Timber-Bamboo (CLTB)

https://research.thinkwood.com/en/permalink/catalogue2415
Year of Publication
2019
Topic
Design and Systems
Material
CLT (Cross-Laminated Timber)
Other Materials
Application
Floors
Walls
Wood Building Systems