Cross-laminated strand veneer lumber mass timber panels from thermally modified strands

Ruben Jerves; Vikram Yadama; Matthew Aro; Manuel Raul Pelaez-Samaniego

doi:10.1016/j.conbuildmat.2023.130370

Cross-laminated strand veneer lumber mass timber panels from thermally modified strands

Ruben Jerves, Vikram Yadama, Matthew Aro, Manuel Raul Pelaez-Samaniego

Natural Resources Research Institute

Research output: Contribution to journal › Article › peer-review

1 Scopus citations

Abstract

Thin-strand composite panels and subsequent mass timber beams were produced using thermally modified wood strands in a pressurized system. The effects of thermal modification (TM) temperature and dwell time on the mechanical, moisture, and decay performance of panels were studied. TM reduced moisture sorption and increased decay resistance. The thin-strand composites were evaluated in flexure and benchmarked against commercially available structural products. Moreover, the mass timber beams’ out-of-plane bending was accurately predicted with traditionally used laminated beam theory. The study shows that TM, under controlled conditions, enables the production of high-performing wood-strand panels with improved dimensional stability and decay resistance.

Original language	English (US)
Article number	130370
Journal	Construction and Building Materials
Volume	368
DOIs	https://doi.org/10.1016/j.conbuildmat.2023.130370
State	Published - Mar 3 2023

Bibliographical note

Funding Information:
This material is based upon work supported by the National Science Foundation, United States under Grant No. 1827434. Thank you to Professor Armando McDonald and Dr. Abdulbaset Alayat (Department of Forest, Rangeland and Fire Sciences, University of Idaho) for their assistance in conducting the chemical composition analysis. We also acknowledge the Forest and Wildlife Research Center, Department of Sustainable Bio-products at Mississippi State University, for assistance in performing the decay tests.

Funding Information:
This material is based upon work supported by the National Science Foundation, United States under Grant No. 1827434 . Thank you to Professor Armando McDonald and Dr. Abdulbaset Alayat (Department of Forest, Rangeland and Fire Sciences, University of Idaho) for their assistance in conducting the chemical composition analysis. We also acknowledge the Forest and Wildlife Research Center, Department of Sustainable Bio-products at Mississippi State University, for assistance in performing the decay tests.

Publisher Copyright:
© 2023 Elsevier Ltd

Keywords

Laminate mechanics
Mechanical properties
Physical properties
Thermal modification
Wood-strands

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10.1016/j.conbuildmat.2023.130370

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abstract = "Thin-strand composite panels and subsequent mass timber beams were produced using thermally modified wood strands in a pressurized system. The effects of thermal modification (TM) temperature and dwell time on the mechanical, moisture, and decay performance of panels were studied. TM reduced moisture sorption and increased decay resistance. The thin-strand composites were evaluated in flexure and benchmarked against commercially available structural products. Moreover, the mass timber beams{\textquoteright} out-of-plane bending was accurately predicted with traditionally used laminated beam theory. The study shows that TM, under controlled conditions, enables the production of high-performing wood-strand panels with improved dimensional stability and decay resistance.",

keywords = "Laminate mechanics, Mechanical properties, Physical properties, Thermal modification, Wood-strands",

author = "Ruben Jerves and Vikram Yadama and Matthew Aro and Pelaez-Samaniego, {Manuel Raul}",

note = "Funding Information: This material is based upon work supported by the National Science Foundation, United States under Grant No. 1827434. Thank you to Professor Armando McDonald and Dr. Abdulbaset Alayat (Department of Forest, Rangeland and Fire Sciences, University of Idaho) for their assistance in conducting the chemical composition analysis. We also acknowledge the Forest and Wildlife Research Center, Department of Sustainable Bio-products at Mississippi State University, for assistance in performing the decay tests. Funding Information: This material is based upon work supported by the National Science Foundation, United States under Grant No. 1827434 . Thank you to Professor Armando McDonald and Dr. Abdulbaset Alayat (Department of Forest, Rangeland and Fire Sciences, University of Idaho) for their assistance in conducting the chemical composition analysis. We also acknowledge the Forest and Wildlife Research Center, Department of Sustainable Bio-products at Mississippi State University, for assistance in performing the decay tests. Publisher Copyright: {\textcopyright} 2023 Elsevier Ltd",

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N2 - Thin-strand composite panels and subsequent mass timber beams were produced using thermally modified wood strands in a pressurized system. The effects of thermal modification (TM) temperature and dwell time on the mechanical, moisture, and decay performance of panels were studied. TM reduced moisture sorption and increased decay resistance. The thin-strand composites were evaluated in flexure and benchmarked against commercially available structural products. Moreover, the mass timber beams’ out-of-plane bending was accurately predicted with traditionally used laminated beam theory. The study shows that TM, under controlled conditions, enables the production of high-performing wood-strand panels with improved dimensional stability and decay resistance.

AB - Thin-strand composite panels and subsequent mass timber beams were produced using thermally modified wood strands in a pressurized system. The effects of thermal modification (TM) temperature and dwell time on the mechanical, moisture, and decay performance of panels were studied. TM reduced moisture sorption and increased decay resistance. The thin-strand composites were evaluated in flexure and benchmarked against commercially available structural products. Moreover, the mass timber beams’ out-of-plane bending was accurately predicted with traditionally used laminated beam theory. The study shows that TM, under controlled conditions, enables the production of high-performing wood-strand panels with improved dimensional stability and decay resistance.

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Cross-laminated strand veneer lumber mass timber panels from thermally modified strands

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