<abstract xmlns="http://www.w3.org/1999/xhtml"><p>The study was conducted to perform a comparative analysis of the mechanical properties of wood samples derived from oaks in the Krotoszyn Plateau, which depend on the health state of the trees. Strength parameters of oak wood were calculated for selected diseased and healthy trees (according to the Roloff classification). The study was conducted by a modified method described in the standard Polish Norm PN EN 408+ A1: 2012. For testing, prior selection of wood samples showed that more wood samples of diseased trees compared with those of healthy oaks did not fulfil the Polish standard requirements. According to the method used, the average results of strength tests of timber structures from healthy oaks exhibited higher strength parameters than those of the diseased trees.</p></abstract>

The study was conducted to perform a comparative analysis of the mechanical properties of wood samples derived from oaks in the Krotoszyn Plateau, which depend on the health state of the trees. Strength parameters of oak wood were calculated for selected diseased and healthy trees (according to the Roloff classification). The study was conducted by a modified method described in the standard Polish Norm PN EN 408+ A1: 2012. For testing, prior selection of wood samples showed that more wood samples of diseased trees compared with those of healthy oaks did not fulfil the Polish standard requirements. According to the method used, the average results of strength tests of timber structures from healthy oaks exhibited higher strength parameters than those of the diseased trees.

The impact of the health condition of oaks from the Krotoszyn Plateau on the mechanical properties of timber structures

Military University of Technology, Faculty of Civil Engineering and Geodesy, Gen. S. Kaliskiego 2, 00-908 Warsaw, Poland

Forest Research Institute, Department of Forest Protection, Braci Leśnej 3, Sękocin Stary, 05-090 Raszyn, Poland, phone: +4822 7153823

Institute of Aviation, Remote Sensing Department, al. Krakowska 110/114, 02-256 Warsaw, Poland

Folia Forestalia Polonica

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The study was conducted to perform a comparative analysis of the mechanical properties of wood samples derived from oaks in the Krotoszyn Plateau, which depend...

The impact of the health condition of oaks from the Krotoszyn Plateau on the mechanical properties of timber structures

Published Online: Mar 07, 2016

Page range: 224 - 232

Received: Oct 06, 2015

Accepted: Nov 26, 2015

DOI: https://doi.org/10.1515/ffp-2015-0023

Keywords
health condition, Krotoszyn Plateau, mechanical properties of timber structures, oak

© 2015 Jarosław Siwiński et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

The impact of the health condition of oaks from the Krotoszyn Plateau on the mechanical properties of timber structures

Published Online: Mar 07, 2016

Page range: 224 - 232

Received: Oct 06, 2015

Accepted: Nov 26, 2015

DOI: https://doi.org/10.1515/ffp-2015-0023

Keywordshealth condition, Krotoszyn Plateau, mechanical properties of timber structures, oak

© 2015 Jarosław Siwiński et al., published by De Gruyter Open

This work is licensed under the Creative Commons Attribution-NonCommercial-NoDerivatives 3.0 License.

Keywords
health condition, Krotoszyn Plateau, mechanical properties of timber structures, oak