Selected Properties of Parallel Strand Lumber Made from Southern Pine and Yellow-Poplar
-
Y. Liu
Summary
This study was conducted to explore basic physical and mechanical properties of parallel strand lumber (PSL) made exclusively from southern pine and yellow-poplar, respectively, and to examine their relationships using statistical analysis. Small specimens were prepared from commercial southern pine PSL and yellow-poplar PSL billets and tested for specific gravity, moisture content, dimensional stability, bending properties, shear strength and compressive strength. Results indicate average specific gravity of southern pine PSL is higher than that of yellow-poplar PSL, while their average moisture content and dimensional stability are very similar. Southern pine PSL has higher average modulus of elasticity but lower average modulus of rupture than yellow-poplar PSL. While average longitudinal shear strength does not exhibit differences between southern pine PSL and yellow-poplar PSL, average compressive strength of southern pine PSL is higher than that of yellow-poplar PSL. There are positive correlations among modulus of elasticity, modulus of rupture and specific gravity. PSL improves some properties of solid wood from which PSL is made.
Copyright © 2003 by Walter de Gruyter GmbH & Co. KG
Articles in the same Issue
- Evidence of the Degradation of Middle Lamella in a Waterlogged Archaeological Wood
- Molecular Identity of Species and Isolates of Internal Pore Fungi Antrodia spp. and Oligoporus placenta
- Performance of Waterborne Cu(II) Octanoate/Ethanolamine Wood Preservatives
- Nanoparticles for the Controlled Release of Fungicides in Wood: Soil Jar Studies Using G.Trabeum and T. Versicolor Wood Decay Fungi
- Wood Essential Oils of Juniperus foeticissima Willd
- Structure Elucidation of Condensed Tannins from Barks by Pyrolysis/ Gas Chromatography
- A Density Functional Theory Study of Coniferyl Alcohol Intermonomeric Cross Linkages in Lignin - Three-Dimensional Structures, Stabilities and the Thermodynamic Control Hypothesis
- Inhomogeneities in the Chemical Structure of Spruce Lignin
- Application of ESR Spectroscopy in Bleaching Studies
- Ozone Bleaching of Atmospheric Acetic Acid Hardwood Pulp from Betula platyphylla var. japonica Hara
- Relationship Between Growth Stress, Mechanical-Physical Properties and Proportion of Fibre with Gelatinous Layer in Chestnut (Castanea Sativa Mill.)
- Cambial Growth of Swietenia macrophylla King Studied under Controlled Conditions by High Resolution Laser Measurements
- Selected Properties of Parallel Strand Lumber Made from Southern Pine and Yellow-Poplar
- Effects of Cell Structure on Water Sorption for Wood
- Moisture Dynamics in Norway Spruce and Scots Pine during Outdoor Exposure in Relation to Different Surface Treatments and Handling Conditions
- Book Review/Literature Reports/Addendum
Articles in the same Issue
- Evidence of the Degradation of Middle Lamella in a Waterlogged Archaeological Wood
- Molecular Identity of Species and Isolates of Internal Pore Fungi Antrodia spp. and Oligoporus placenta
- Performance of Waterborne Cu(II) Octanoate/Ethanolamine Wood Preservatives
- Nanoparticles for the Controlled Release of Fungicides in Wood: Soil Jar Studies Using G.Trabeum and T. Versicolor Wood Decay Fungi
- Wood Essential Oils of Juniperus foeticissima Willd
- Structure Elucidation of Condensed Tannins from Barks by Pyrolysis/ Gas Chromatography
- A Density Functional Theory Study of Coniferyl Alcohol Intermonomeric Cross Linkages in Lignin - Three-Dimensional Structures, Stabilities and the Thermodynamic Control Hypothesis
- Inhomogeneities in the Chemical Structure of Spruce Lignin
- Application of ESR Spectroscopy in Bleaching Studies
- Ozone Bleaching of Atmospheric Acetic Acid Hardwood Pulp from Betula platyphylla var. japonica Hara
- Relationship Between Growth Stress, Mechanical-Physical Properties and Proportion of Fibre with Gelatinous Layer in Chestnut (Castanea Sativa Mill.)
- Cambial Growth of Swietenia macrophylla King Studied under Controlled Conditions by High Resolution Laser Measurements
- Selected Properties of Parallel Strand Lumber Made from Southern Pine and Yellow-Poplar
- Effects of Cell Structure on Water Sorption for Wood
- Moisture Dynamics in Norway Spruce and Scots Pine during Outdoor Exposure in Relation to Different Surface Treatments and Handling Conditions
- Book Review/Literature Reports/Addendum
