The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation
Autor(a) principal: | |
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Data de Publicação: | 2021 |
Outros Autores: | , , |
Tipo de documento: | Artigo |
Idioma: | eng |
Título da fonte: | Repositório Institucional da UNESP |
Texto Completo: | http://dx.doi.org/10.5552/crojfe.2021.879 http://hdl.handle.net/11449/229415 |
Resumo: | Grapple skidder is a machine designed for the extraction of tree bunches after felling. Several factors influence its technical performance and costs such as terrain slope, operator experience time, machine type, and the size of tree bunches for each operating cycle, among others. Thus, it becomes necessary to weigh the variables that most influence the productivity and costs of the grapple skidder. So, the main objective was evaluated according to the influence of bunch size using two feller bunchers with distinct technical characteristics, two slope classes and two skidding areas on the productivity and machine production cost in a Eucalyptus plantation. For the analysis of the productivity, the study of time and method was applied and the scheduled machine cost per hour was based on the Food and Agriculture Organization of the United Nations methods. When analyzing the results, it was found that the operational ele-ments moving without load (MWoL) and moving with load (MWL) were the ones that spend the most time in the operational cycle of the grapple skidder. Among the cost components, monetary expenditure on fuel and operator labor were the most influential in the scheduled machine cost per hour. In conclusion, the tree bunches and slope class influenced the productivity and, consequently, the cost of the skidding operation. |
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The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantationForestryOptimizationProduction costTime and motionWood harvestingGrapple skidder is a machine designed for the extraction of tree bunches after felling. Several factors influence its technical performance and costs such as terrain slope, operator experience time, machine type, and the size of tree bunches for each operating cycle, among others. Thus, it becomes necessary to weigh the variables that most influence the productivity and costs of the grapple skidder. So, the main objective was evaluated according to the influence of bunch size using two feller bunchers with distinct technical characteristics, two slope classes and two skidding areas on the productivity and machine production cost in a Eucalyptus plantation. For the analysis of the productivity, the study of time and method was applied and the scheduled machine cost per hour was based on the Food and Agriculture Organization of the United Nations methods. When analyzing the results, it was found that the operational ele-ments moving without load (MWoL) and moving with load (MWL) were the ones that spend the most time in the operational cycle of the grapple skidder. Among the cost components, monetary expenditure on fuel and operator labor were the most influential in the scheduled machine cost per hour. In conclusion, the tree bunches and slope class influenced the productivity and, consequently, the cost of the skidding operation.Coordenação de Aperfeiçoamento de Pessoal de Nível Superior (CAPES)São Paulo State University (Unesp) School of Agriculture Botucatu Department of Forestry Science Soil and Environment, 3780 Universitária AvenueSão Paulo State University (Unesp) Campus of Itapeva Production Engineering Department, 519 Geraldo Alckmin StreetSão Paulo State University (Unesp) School of Agriculture Botucatu Department of Forestry Science Soil and Environment, 3780 Universitária AvenueSão Paulo State University (Unesp) Campus of Itapeva Production Engineering Department, 519 Geraldo Alckmin StreetCAPES: 001Universidade Estadual Paulista (UNESP)Miyajima, Ricardo Hideaki [UNESP]Fenner, Paulo Torres [UNESP]Batistela, Gislaine Cristina [UNESP]Simões, Danilo [UNESP]2022-04-29T08:32:29Z2022-04-29T08:32:29Z2021-01-01info:eu-repo/semantics/publishedVersioninfo:eu-repo/semantics/article381-390http://dx.doi.org/10.5552/crojfe.2021.879Croatian Journal of Forest Engineering, v. 42, n. 3, p. 381-390, 2021.1845-5719http://hdl.handle.net/11449/22941510.5552/crojfe.2021.8792-s2.0-85113742014Scopusreponame:Repositório Institucional da UNESPinstname:Universidade Estadual Paulista (UNESP)instacron:UNESPengCroatian Journal of Forest Engineeringinfo:eu-repo/semantics/openAccess2022-04-29T08:32:29Zoai:repositorio.unesp.br:11449/229415Repositório InstitucionalPUBhttp://repositorio.unesp.br/oai/requestopendoar:29462022-04-29T08:32:29Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP)false |
dc.title.none.fl_str_mv |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
title |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
spellingShingle |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation Miyajima, Ricardo Hideaki [UNESP] Forestry Optimization Production cost Time and motion Wood harvesting |
title_short |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
title_full |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
title_fullStr |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
title_full_unstemmed |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
title_sort |
The impact of felling method, bunch size, slope degree and skidding area on productivity and costs of skidding in a eucalyptus plantation |
author |
Miyajima, Ricardo Hideaki [UNESP] |
author_facet |
Miyajima, Ricardo Hideaki [UNESP] Fenner, Paulo Torres [UNESP] Batistela, Gislaine Cristina [UNESP] Simões, Danilo [UNESP] |
author_role |
author |
author2 |
Fenner, Paulo Torres [UNESP] Batistela, Gislaine Cristina [UNESP] Simões, Danilo [UNESP] |
author2_role |
author author author |
dc.contributor.none.fl_str_mv |
Universidade Estadual Paulista (UNESP) |
dc.contributor.author.fl_str_mv |
Miyajima, Ricardo Hideaki [UNESP] Fenner, Paulo Torres [UNESP] Batistela, Gislaine Cristina [UNESP] Simões, Danilo [UNESP] |
dc.subject.por.fl_str_mv |
Forestry Optimization Production cost Time and motion Wood harvesting |
topic |
Forestry Optimization Production cost Time and motion Wood harvesting |
description |
Grapple skidder is a machine designed for the extraction of tree bunches after felling. Several factors influence its technical performance and costs such as terrain slope, operator experience time, machine type, and the size of tree bunches for each operating cycle, among others. Thus, it becomes necessary to weigh the variables that most influence the productivity and costs of the grapple skidder. So, the main objective was evaluated according to the influence of bunch size using two feller bunchers with distinct technical characteristics, two slope classes and two skidding areas on the productivity and machine production cost in a Eucalyptus plantation. For the analysis of the productivity, the study of time and method was applied and the scheduled machine cost per hour was based on the Food and Agriculture Organization of the United Nations methods. When analyzing the results, it was found that the operational ele-ments moving without load (MWoL) and moving with load (MWL) were the ones that spend the most time in the operational cycle of the grapple skidder. Among the cost components, monetary expenditure on fuel and operator labor were the most influential in the scheduled machine cost per hour. In conclusion, the tree bunches and slope class influenced the productivity and, consequently, the cost of the skidding operation. |
publishDate |
2021 |
dc.date.none.fl_str_mv |
2021-01-01 2022-04-29T08:32:29Z 2022-04-29T08:32:29Z |
dc.type.status.fl_str_mv |
info:eu-repo/semantics/publishedVersion |
dc.type.driver.fl_str_mv |
info:eu-repo/semantics/article |
format |
article |
status_str |
publishedVersion |
dc.identifier.uri.fl_str_mv |
http://dx.doi.org/10.5552/crojfe.2021.879 Croatian Journal of Forest Engineering, v. 42, n. 3, p. 381-390, 2021. 1845-5719 http://hdl.handle.net/11449/229415 10.5552/crojfe.2021.879 2-s2.0-85113742014 |
url |
http://dx.doi.org/10.5552/crojfe.2021.879 http://hdl.handle.net/11449/229415 |
identifier_str_mv |
Croatian Journal of Forest Engineering, v. 42, n. 3, p. 381-390, 2021. 1845-5719 10.5552/crojfe.2021.879 2-s2.0-85113742014 |
dc.language.iso.fl_str_mv |
eng |
language |
eng |
dc.relation.none.fl_str_mv |
Croatian Journal of Forest Engineering |
dc.rights.driver.fl_str_mv |
info:eu-repo/semantics/openAccess |
eu_rights_str_mv |
openAccess |
dc.format.none.fl_str_mv |
381-390 |
dc.source.none.fl_str_mv |
Scopus reponame:Repositório Institucional da UNESP instname:Universidade Estadual Paulista (UNESP) instacron:UNESP |
instname_str |
Universidade Estadual Paulista (UNESP) |
instacron_str |
UNESP |
institution |
UNESP |
reponame_str |
Repositório Institucional da UNESP |
collection |
Repositório Institucional da UNESP |
repository.name.fl_str_mv |
Repositório Institucional da UNESP - Universidade Estadual Paulista (UNESP) |
repository.mail.fl_str_mv |
|
_version_ |
1803649424278159360 |