Modelling mechanical properties of spruce and Douglas fir timber by means of X-ray and grain angle measurements for strength grading purpose
This study proposes a model using data from a scanner (X-ray and grain angle
measurements) to perform strength grading. The research also includes global …
measurements) to perform strength grading. The research also includes global …
Discussion of common and new indicating properties for the strength grading of wooden boards
The naturally grown material wood exhibits, in addition to its orthotropic material structure,
several types of inhomogeneities, where most of them can be allocated to knots and the …
several types of inhomogeneities, where most of them can be allocated to knots and the …
Automatic measurement of wood fiber orientation and knot detection using an optical system based on heating conduction
In this paper, a new approach to computing the deviation of wood grain is proposed. To do
this, the thermal conduction properties of timber are used (higher conduction in the fiber …
this, the thermal conduction properties of timber are used (higher conduction in the fiber …
Effects of knot area ratio on the bending properties of cross-laminated timber made from Korean pine
SJ Pang, KB Shim, KH Kim - Wood Science and Technology, 2021 - Springer
The effect of knot clusters on the bending properties of Korean pine (Pinus koraiensis) cross-
laminated timber (CLT) was analyzed to increase the utilization of low-quality lumber. The …
laminated timber (CLT) was analyzed to increase the utilization of low-quality lumber. The …
The Strength of Pine (Pinus sylvestris L.) Sawn Timber in Correlation with Selected Wood Defects
M Wieruszewski, A Trociński, J Kawalerczyk… - Materials, 2022 - mdpi.com
Pine timber of Polish origin intended for structural purposes is characterized by significant
variability in the quality parameters. Technological suitability determined on the basis of …
variability in the quality parameters. Technological suitability determined on the basis of …
Quantifying knots by image analysis and modeling their effects on the mechanical properties of loblolly pine lumber
Automated grading machines that quantify knots are increasingly deployed by lumber mills,
however their use in mill studies that assess lumber quality have been limited. The objective …
however their use in mill studies that assess lumber quality have been limited. The objective …
Elements of designing upholstered furniture sandwich frames using finite element method
This paper presents an approach to the design of an upholstered furniture frame using the
finite element method and empirical studies. Three-dimensional discrete models of …
finite element method and empirical studies. Three-dimensional discrete models of …
Mechanical performance curves for the strength grading of maritime pine
C Grazide, JL Coureau, A Cointe, S Morel - European Journal of Wood and …, 2018 - Springer
Finite element models (FEM) were used to simulate beam sections in bending with a knot.
They aim at evaluating the mechanical behaviour of timber considering the effect of this …
They aim at evaluating the mechanical behaviour of timber considering the effect of this …
A machine vision based approach for timber knots detection
MM Hittawe, D Sidibé… - … Conference on Quality …, 2015 - spiedigitallibrary.org
Wood singularities detection is a primary step in wood grading enhancement. Our approach
is purely machine vision based. The main objective is to compute physical properties like …
is purely machine vision based. The main objective is to compute physical properties like …
Machine vision for timber grading singularities detection and applications
This article deals with machine vision techniques applied to timber grading singularities.
Timber used for architectural purposes must satisfy certain mechanical requirements, and …
Timber used for architectural purposes must satisfy certain mechanical requirements, and …