Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method

Drilling resistance amplitude was used to estimate properties such as density, modulus of elasticity (MOE), and modulus of rupture (MOR) in Phyllostachys makinoi bamboo. The purpose of this study was to replace subjective visual estimation with a scientific method, using drilling resistance to estim...

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Main Authors: Cheng-Jung Lin, Po-Heng Lin
Format: Article
Language:English
Published: North Carolina State University 2025-01-01
Series:BioResources
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Online Access:https://ojs.bioresources.com/index.php/BRJ/article/view/24238
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author Cheng-Jung Lin
Po-Heng Lin
author_facet Cheng-Jung Lin
Po-Heng Lin
author_sort Cheng-Jung Lin
collection DOAJ
description Drilling resistance amplitude was used to estimate properties such as density, modulus of elasticity (MOE), and modulus of rupture (MOR) in Phyllostachys makinoi bamboo. The purpose of this study was to replace subjective visual estimation with a scientific method, using drilling resistance to estimate bamboo maturity, thereby providing a basis for selecting high-quality bamboo materials. The results indicated significant linear correlations between both average and maximum drilling amplitudes and bamboo density, MOE, and MOR. The coefficients of determination (R²) for average and maximum drilling amplitude with bamboo density ranged between 0.55 and 0.56, and a significant linear correlation was also observed between average and maximum drilling amplitudes (R² = 0.75). Additionally, the profile curve of drilling resistance amplitude varied significantly across the thickness of the bamboo culm. From the culm surface inward (bamboo skin, flesh layer, and cavity layer), the amplitude rose rapidly, reaching a peak at approximately 28% of culm thickness, then gradually decreased, with a secondary reduction observed around 67% of the thickness, eventually reaching the hollow core. Based on these findings, maximum drilling amplitude could serve as an indicator of bamboo density and may be applied as a minimally destructive technique for evaluating bamboo quality.
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publishDate 2025-01-01
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spelling doaj-art-4d2a76bfd5e44c6ba8ce9e5edfe193e22025-02-10T23:56:27ZengNorth Carolina State UniversityBioResources1930-21262025-01-01201208320972502Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance MethodCheng-Jung Lin0https://orcid.org/0000-0002-1739-6027Po-Heng Lin1Taiwan Forestry Research Institute, Taipei 10066, Taiwan; Department of Forestry and Natural Resources, National Ilan University, Yilan, 26047, TaiwanTaiwan Forestry Research Institute, Taipei 10066, TaiwanDrilling resistance amplitude was used to estimate properties such as density, modulus of elasticity (MOE), and modulus of rupture (MOR) in Phyllostachys makinoi bamboo. The purpose of this study was to replace subjective visual estimation with a scientific method, using drilling resistance to estimate bamboo maturity, thereby providing a basis for selecting high-quality bamboo materials. The results indicated significant linear correlations between both average and maximum drilling amplitudes and bamboo density, MOE, and MOR. The coefficients of determination (R²) for average and maximum drilling amplitude with bamboo density ranged between 0.55 and 0.56, and a significant linear correlation was also observed between average and maximum drilling amplitudes (R² = 0.75). Additionally, the profile curve of drilling resistance amplitude varied significantly across the thickness of the bamboo culm. From the culm surface inward (bamboo skin, flesh layer, and cavity layer), the amplitude rose rapidly, reaching a peak at approximately 28% of culm thickness, then gradually decreased, with a secondary reduction observed around 67% of the thickness, eventually reaching the hollow core. Based on these findings, maximum drilling amplitude could serve as an indicator of bamboo density and may be applied as a minimally destructive technique for evaluating bamboo quality.https://ojs.bioresources.com/index.php/BRJ/article/view/24238bamboodrillingresistance amplitudeminimally destructive methodwood density
spellingShingle Cheng-Jung Lin
Po-Heng Lin
Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
BioResources
bamboo
drilling
resistance amplitude
minimally destructive method
wood density
title Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
title_full Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
title_fullStr Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
title_full_unstemmed Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
title_short Minimally Destructive Bamboo Property Estimation of Phyllostachys makinoi Using Drilling Resistance Method
title_sort minimally destructive bamboo property estimation of phyllostachys makinoi using drilling resistance method
topic bamboo
drilling
resistance amplitude
minimally destructive method
wood density
url https://ojs.bioresources.com/index.php/BRJ/article/view/24238
work_keys_str_mv AT chengjunglin minimallydestructivebamboopropertyestimationofphyllostachysmakinoiusingdrillingresistancemethod
AT pohenglin minimallydestructivebamboopropertyestimationofphyllostachysmakinoiusingdrillingresistancemethod