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9 records – page 1 of 1.

Cross Laminated Timber – Properties and Use for Building Purposes: A Review from the Experience of Swiss Researchers

https://research.thinkwood.com/en/permalink/catalogue23
Year of Publication
2013
Topic
Mechanical Properties
General Information
Material
CLT (Cross-Laminated Timber)
Author
Niemz, Peter
Sonderegger, Walter
Publisher
Transilvania University Press Brasov
Year of Publication
2013
Country of Publication
Romania
Format
Journal Article
Material
CLT (Cross-Laminated Timber)
Topic
Mechanical Properties
General Information
Keywords
Physical Properties
MOE
Bending Strength
Building Applications
Language
English
Romanian
Research Status
Complete
Series
Pro Ligno
ISSN
2069-7430
Summary
An overview on the mechanical and physical properties of cross laminated timber (solid wood panels) in the building industry and its use in timber construction is presented. Structure-property relations for solid wood based materials are discussed. Important properties, such as strength, sorption, diffusion, thermal conductivity in relation to the board structure are presented. By varying the structure, the properties can be optimized over a wide range. The focus of this publication lies on experimental works performed by Swiss researchers at the ETH Zürich.
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Effect of Laminated Structure Design on Physical and Mechanical Properties of Laminated Bamboo Sliver Lumber

https://research.thinkwood.com/en/permalink/catalogue2491
Year of Publication
2019
Topic
Mechanical Properties
Design and Systems
Material
LVL (Laminated Veneer Lumber)
Other Materials
Application
Wood Building Systems

Experimental Testing of Glued Laminated Timber Members using Ultrasonic and Stress Wave Techniques

https://research.thinkwood.com/en/permalink/catalogue151
Year of Publication
2015
Topic
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Author
Nowak, Tomasz
Hamrol-Bielecka, Katarzyna
Jasienko, Jerzy
Organization
Structural Health Assessment of Timber Structures
Year of Publication
2015
Country of Publication
Poland
Format
Conference Paper
Material
Glulam (Glue-Laminated Timber)
Topic
Mechanical Properties
Keywords
Non-Destructive
Physical Properties
Spruce
Stress
Ultrasonic
Wave Propagation
Wave Techniques
Language
English
Conference
Structural Health Assessment of Timber Structures 15
Research Status
Complete
Notes
September 9-11, 2015, Wroclaw, Poland
Summary
The paper presents the application of ultrasonic and stress wave techniques in testing the physical and mechanical properties of timber. One of the non-destructive methods for testing timber in construction involves measuring the velocity of ultrasonic and stress wave propagation. The research was carried out using a portable Sylvatest Trio device, which uses ultrasonic technology and a Fakopp Microsecond Timer device, which employs the stress wave technique. The devices measure the wave transition time along a given length of the material, providing qualitative (the extent of possible degradation, structural discontinuities etc.) and quantitative results (density, strength, modulus of elasticity) relating to the state of the timber under study. The paper reports on research on the correlation between wood properties and parameters of ultrasonic and stress wave propagation. The study focused on glued laminated spruce wood of strength class GL24h. Testing involved application of two methods of setting up transducers: directly where the device heads are located on the opposite planes of the test specimens, and where the device heads are located in parallel to or perpendicular to the grain.
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Free
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Influence of Board Density on the Physical and Mechanical Properties of Bamboo Oriented Strand Lumber

https://research.thinkwood.com/en/permalink/catalogue2512
Year of Publication
2020
Topic
Design and Systems
Mechanical Properties
Material
OSL (Oriented Strand Lumber)
Other Materials
Application
Wood Building Systems

Influence of Strand Size, Board Density, and Adhesive Type on Characteristics of Oriented Strand Lumber Boards Manufactured from Pine Strands

https://research.thinkwood.com/en/permalink/catalogue2511
Year of Publication
2019
Topic
Design and Systems
Mechanical Properties
Material
OSL (Oriented Strand Lumber)
Application
Beams

Mechanical and Physical Properties of Oriented Strand Lumber (OSL): The Effect of Fortification Level of Nanowollastonite on UF Resin

https://research.thinkwood.com/en/permalink/catalogue2513
Year of Publication
2019
Topic
Design and Systems
Mechanical Properties
Material
OSL (Oriented Strand Lumber)
Application
Wood Building Systems

Non-Destructive Testing of Wood–Correlation of Ultrasonic and Stress Wave Test Results in Glued Laminated Timber Members

https://research.thinkwood.com/en/permalink/catalogue1122
Year of Publication
2015
Topic
Mechanical Properties
Material
Glulam (Glue-Laminated Timber)
Author
Nowak, Tomasz
Hamrol-Bielecka, Katarzyna
Jasienko, Jerzy
Organization
Wroclaw University of Technology
Year of Publication
2015
Country of Publication
Poland
Format
Journal Article
Material
Glulam (Glue-Laminated Timber)
Topic
Mechanical Properties
Keywords
Non-Destructive Testing
Ultrasonic Waves
Stress Waves
Physical Properties
Spruce
Wave Propagation
Language
English
Research Status
Complete
Series
Annals of Warsaw University of Life Sciences - SGGW
Summary
Non-destructive testing of wood – correlation of ultrasonic and stress wave test results in glued laminated timber members. The paper presents application of selected non-destructive testing techniques – ultrasonic and stress wave methods - for assessment of the physical and mechanical properties of wood. Nondestructive testing is a scientific field related to: identification of mechanical properties and physical parameters of materials and structural members, detecting material defects and discontinuities, measurement of geometrical dimensions without affecting the functional properties of the elements under investigation. The paper provides a short description of selected methods used for non-destructive and quasi non-destructive testing of wood. It also reports on research on the correlation between glued laminated spruce wood properties and parameters of ultrasonic and stress wave propagation The research was carried out with a Sylvatest Trio device, which uses ultrasonic technology and a Fakopp Microsecond Timer device, which uses the stress wave technique.
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Free
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The Potential Use of Timber from Palm Trees for Building Purposes

https://research.thinkwood.com/en/permalink/catalogue536
Year of Publication
2014
Topic
Market and Adoption
Material
Other Materials
Author
Fruehwald, Arno
Fruehwald, Katja
Fathi, Leila
Year of Publication
2014
Country of Publication
Canada
Format
Conference Paper
Material
Other Materials
Topic
Market and Adoption
Keywords
Market
Palm
Physical Properties
Language
English
Conference
World Conference on Timber Engineering
Research Status
Complete
Notes
August 10-14, 2014, Quebec City, Canada
Summary
Palm trees are a family of plants with hundreds of species. Most important species are coconut palm, oil palm and date palm. Most palms grow in tropical regions, but some species also in semidry regions (date palms). Palms have played an important role for the supply of food and they provide shade for agricultural crops and they are planted in parks and gardens. With exception for coconut wood, the wood from palm trees has not been used to a large extent. But it is considered as an important resource. According to FAO, coco-, oil- and date palms cover over 30 million ha worldwide with a total stem wood potential of 150-200 million m³ per year. Generally this wood resource can play an important role in the regional/worldwide wood supply; mainly in Asia, Arabic countries, Africa and Latin America. The stem of the tree (coconut-, oil- and date Palm) is between 10 and 20 (25) m long, has a lower diameter of 40 – 60 cm and a taper of 0.3 – 0.7 cm/m. Being monocotyledons, palms show distinct differences in the wood structure compared to common wood species.
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Free
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Wood Handbook, Wood as an Engineering Material

https://research.thinkwood.com/en/permalink/catalogue839
Year of Publication
2010
Topic
General Information
Organization
Forest Products Laboratory
Year of Publication
2010
Country of Publication
United States
Format
Book/Guide
Topic
General Information
Keywords
Adhesives
Bonding
Fasteners
Moisture Content
Physical Properties
Preservative
Language
English
Research Status
Complete
Summary
Summarizes information on wood as an engineering material. Presents properties of wood and wood-based products of particular concern to the architect and engineer. Includes discussion of designing with wood and wood-based products along with some pertinent uses. Keywords: wood structure, physical properties (wood), mechanical properties (wood), lumber, wood-based composites, plywood, panel products, design, fastenings, wood moisture, drying, gluing, fire resistance, finishing, decay, preservation, wood-based products, heat sterilization, sustainable use.
Online Access
Free
Resource Link
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9 records – page 1 of 1.