Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors

The article discusses monitoring of the impact of tyre inflation pressure on tensile properties of forest tractors. The LKT 81 T forest tractor, manufactured byZŤS TEES, Martin (Slovak Republic) and widely used in Slovakia, was specifically chosen as the mechanised vehicle to be monitored. Tensile p...

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Main Author: M. Helexa
Format: Article
Language:English
Published: Czech Academy of Agricultural Sciences 2014-12-01
Series:Research in Agricultural Engineering
Subjects:
Online Access:https://rae.agriculturejournals.cz/artkey/rae-201404-0002_monitoring-the-impact-of-tyre-inflation-pressure-on-tensile-properties-of-forest-tractors.php
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author M. Helexa
author_facet M. Helexa
author_sort M. Helexa
collection DOAJ
description The article discusses monitoring of the impact of tyre inflation pressure on tensile properties of forest tractors. The LKT 81 T forest tractor, manufactured byZŤS TEES, Martin (Slovak Republic) and widely used in Slovakia, was specifically chosen as the mechanised vehicle to be monitored. Tensile properties were examined using standard tensile tests, with a Tatra freight vehicle serving as the load vehicle. Actual measurements were performed on a concrete surface and on soil characterised as gravelly loam whose average moisture was 38%. The statistical methods used to verify the impact of significance from changes in tyre inflation pressure on selected tensile indicators were multi-factor analysis of variance (ANOVA) and Student's t-test. Even though statistical analysis failed to directly confirm significance in the impact of changes of tyre inflation pressure on selected load indicators for a forest tractor fitted with standard tyres, positive changes can be discerned in measured dependencies. The article concludes with a discussion of the results obtained and their possible application in operational practice.
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spelling doaj.art-011eb256d86547d2b12d5cf0fa771ee62023-02-23T03:47:38ZengCzech Academy of Agricultural SciencesResearch in Agricultural Engineering1212-91511805-93762014-12-0160412713310.17221/49/2013-RAErae-201404-0002Monitoring the impact of tyre inflation pressure on tensile properties of forest tractorsM. Helexa0Department of Forest and Mobile Technology, Faculty of Environmental and Manufacturing Technology, Technical University in Zvolen, Zvolen, Slovak RepublicThe article discusses monitoring of the impact of tyre inflation pressure on tensile properties of forest tractors. The LKT 81 T forest tractor, manufactured byZŤS TEES, Martin (Slovak Republic) and widely used in Slovakia, was specifically chosen as the mechanised vehicle to be monitored. Tensile properties were examined using standard tensile tests, with a Tatra freight vehicle serving as the load vehicle. Actual measurements were performed on a concrete surface and on soil characterised as gravelly loam whose average moisture was 38%. The statistical methods used to verify the impact of significance from changes in tyre inflation pressure on selected tensile indicators were multi-factor analysis of variance (ANOVA) and Student's t-test. Even though statistical analysis failed to directly confirm significance in the impact of changes of tyre inflation pressure on selected load indicators for a forest tractor fitted with standard tyres, positive changes can be discerned in measured dependencies. The article concludes with a discussion of the results obtained and their possible application in operational practice.https://rae.agriculturejournals.cz/artkey/rae-201404-0002_monitoring-the-impact-of-tyre-inflation-pressure-on-tensile-properties-of-forest-tractors.phptractive powertensile strengthforest soilslippagestatistical analysis
spellingShingle M. Helexa
Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
Research in Agricultural Engineering
tractive power
tensile strength
forest soil
slippage
statistical analysis
title Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
title_full Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
title_fullStr Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
title_full_unstemmed Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
title_short Monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
title_sort monitoring the impact of tyre inflation pressure on tensile properties of forest tractors
topic tractive power
tensile strength
forest soil
slippage
statistical analysis
url https://rae.agriculturejournals.cz/artkey/rae-201404-0002_monitoring-the-impact-of-tyre-inflation-pressure-on-tensile-properties-of-forest-tractors.php
work_keys_str_mv AT mhelexa monitoringtheimpactoftyreinflationpressureontensilepropertiesofforesttractors