| 2. |
- Niemz, Peter, et al.
(author)
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Strength Properties of Wood and Wood-Based Materials
- 2023
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In: Springer Handbook of Wood Science and Technology. - 2522-8706 .- 2522-8692. ; , s. 441-505
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Book chapter (peer-reviewed)abstract
- Knowledge of the strength of wood and wood-based materials is an important basis for the calculation and dimensioning of wooden products. This chapter describes the basics of the strength properties, test methods, important influencing parameters (e.g., moisture content, load direction, type of load, duration of load, speed of loading). Phenomenological aspects of failure on various structural levels, fracture mechanical properties as well as essential test methods such as tension, compression, shear strength, bending, torsion, and cleavage are also described. An overview is given of test specifications, strength properties of wood, and wood-based materials depending on the type of load and the direction of loading. Hardness, wear resistance, and other methods are also described. In addition to static load in short-term tests, impact resistance and fatigue as well as the influence of load duration in the static long-term test are described. In addition, selected results of the first studies to determine the properties of the molecular structure are briefly described.
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| 3. |
- Riggio, Mariapaola, et al.
(author)
-
In situ assessment of structural timber using non-destructive techniques
- 2014
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In: Materials and Structures/Materiaux et Constructions. - : Springer Science and Business Media LLC. - 1359-5997. ; 47:5, s. 749-766
-
Journal article (peer-reviewed)abstract
- This paper summarizes the test recommendations for selected non-destructive testing (NDT) techniques as developed by members of the RILEM Technical Committee AST 215 “In situ assessment of structural timber”. The recommendations cover visual inspection, moisture content determination, species identification, digital radioscopy, and ground penetrating radar. The paper includes a matrix of common NDT to assess structural timber. The discussion of each technique is intended to provide users with sufficient information to understand the theoretical basis, typical equipment set up, and basic capabilities and limitations.
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