The aim of this research was to evaluate the shear strength of the lap joints of planed and sanded beech wood. A single-component polyurethane adhesive for waterproof joints was used for bonding. The shear strength of the bonded joint was determined according to standard EN 205. It was found that the shear strength of the bonded joint is higher for wood whose surface was lightly sanded with coarse sandpaper. Whilst the average value of the shear strength of planed wood was 13.1 N/mm2, sanded wood achieved more than a 18% higher average shear strength of 15.5 N/mm2. For wood whose surface was sanded before bonding, the experimental measurement also showed a much higher proportion of joint failure in the wood than in the adhesive, as was the case with the planed surface.
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23 November 2022
INTERNATIONAL CONFERENCE OF COMPUTATIONAL METHODS IN SCIENCES AND ENGINEERING ICCMSE 2021
4–7 September 2021
Heraklion, Greece
Research Article|
November 23 2022
Determination of tensile shear strength of lap joints of planed and sanded beech wood
Martin Böhm;
Martin Böhm
a)
1
Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague
, Thákurova 7, 166 29 Prague, Czech Republic
a)Corresponding author: martin.bohm@fsv.cvut.cz
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Jan Vaněrek;
Jan Vaněrek
b)
2
Institute of Technology of Building Materials and Components, Faculty of Civil Engineering, Brno University of Technology
, Antonínská 548/1, 601 90 Brno, Czech Republic
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Jiří Procházka;
Jiří Procházka
c)
3
Department of Wood Science and Technology, Faculty of Forestry and Wood Technology, Mendel University in Brno
, Zemědělská 3, 613 00 Brno, Czech Republic
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Miloš Jerman;
Miloš Jerman
d)
1
Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague
, Thákurova 7, 166 29 Prague, Czech Republic
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Robert Černý
Robert Černý
e)
1
Department of Materials Engineering and Chemistry, Faculty of Civil Engineering, Czech Technical University in Prague
, Thákurova 7, 166 29 Prague, Czech Republic
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AIP Conf. Proc. 2611, 040009 (2022)
Citation
Martin Böhm, Jan Vaněrek, Jiří Procházka, Miloš Jerman, Robert Černý; Determination of tensile shear strength of lap joints of planed and sanded beech wood. AIP Conf. Proc. 23 November 2022; 2611 (1): 040009. https://doi.org/10.1063/5.0119448
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