Comparison of physical and mechanical properties of Pinus taeda wood with common fast-growing species

Document Type : Research Paper

Authors

1 Researcher at ETKA Research and Innovation Center

2 College of Agriculture & Natural Resources, University of Tehran, Daneshkadeh Ave., Karaj, Iran

3 No. 350, Hafez Ave, Valiasr Square, Tehran, Iran 1591634311

4 Economics and Natural Resources Management, Urmia Faculty of Natural Resources, Tehran, I.R. Iran, ETKA Organization

10.22034/ijwp.2022.700827

Abstract

Pinus taeda is one of the fastest growing species with high wood production capacity. Due to the afforestation of this species in Gilan province, which can be a good alternative to some other imported fast growing species.The aim of this study is to investigate of possibility of using Pinus taeda wood instead of four common species of poplar (Pulpous sp.), Tehran pine (Pinus eldarica), Abies (Abies sp.) and Sasna (Pinus sylvestris). For this purpose, physical and mechanical properties of five species were measured and statistical analyzes were performed. The results showed that Pinus taeda has lower density, water absorption and volumetric swelling than the other four species. Regarding mechanical properties, the results showed that Pinus taeda, with its lower density than other species, has moderate mechanical strength. The ability of Screw and Nail Withdrawal Strengths for Pinus taeda in parallel and perpendicular directions to the grains was not much different from other species. Also, the resistance of mortise- tenon and dowel joints for Pinus taeda was higher than other species and there was a significant difference with them. According to the obtained results, Pinus taeda wood with low density and suitable mechanical properties can be a good alternative for some imported fast-growing species and is also recommended for afforestation and wood cultivation in different parts of the country.

Keywords

References

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Iranian Journal of Wood and Paper Industries
Volume 13, Issue 3
December 2022
Pages 345-359

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