Results 11 to 20 of about 318 (202)

Comparing productivity-cost of roadside processing system and road side chipping system in Western Australia

Journal of Forest Science, 2013
This research compared roadside chipping and road side processing systems. Two sites planted with Eucalyptus globulus were selected to study these harvesting systems.
M.R. Ghaffariyan
doaj   +1 more source

Evaluation of wood productivity rate in primary and secondary transportation in Nekachub region [PDF]

تحقیقات جنگل و صنوبر ایران, 2008
Wood transportation from cutting areas to saw mills includes two phases; 1) transport of logs from cutting areas to road side (primary transportation) by skidder and 2) wood hauling by logging tracks from road side to saw mills (second transportation ...
Ali Eghtesadi
doaj  

Productivity and cost analysis of skidding with Timberjack 450C in forest plantations in Shafaroud watershed, Iran

Journal of Forest Science, 2013
We present research results of timber skidding by a Timberjack 450C skidder in the path cutting of pine trees in Shafaroud watershed. Time studies were conducted to quantify the productivity and perational cost of skidding by a skidder in a plantation in
M. Nikooy, A. Esmailnezhad, R. Naghdi
doaj   +1 more source

Decay evaluation of damaged beech trees (Fagus orientalis L.) adjacent to skid trails by nondestructive stress wave technique [PDF]

تحقیقات جنگل و صنوبر ایران, 2012
Ground skidding damages the marginal trees of the skid trails and may decrease their growth increment at long period. In this research the effects of ground skidding on decay development and extent of the beech trees (Fagus orientalis Lipsky) adjacent to
Davoud Kartoolinejad, Akbar Najafi, Sa'eid Kazemi-Najafi   +2 more
doaj   +1 more source

Avaliação de alguns fatores ergonômicos nos tratores "Feller-buncher" e "Skidder" utilizados na colheita de madeira Evaluation of some ergonomic factors in Feller-buncher and Skidder tractors used in wood harvesting

Revista Árvore, 2005
Este trabalho foi realizado com tratores florestais utilizados em um sistema mecanizado de colheita de madeira em povoamento de eucalipto, tendo como objetivo avaliar quantiqualitativamente as dimensões de acesso, assento, comandos, campo visual ...
Julião Soares de Souza Lima, Amaury Paulo de Souza, Carlos Cardoso Machado, Rone Batista de Oliveira   +3 more
doaj   +1 more source

Estimativa das estabilidades longitudinal e transversal de tratores florestais utilizados na colheita de madeira Longitudinal and transversal stability estimate for the traffic of forest tractors used in wood harvesting

Revista Árvore, 2004
Este trabalho teve como objetivo estimar as estabilidades longitudinal e transversal nas condições dinâmicas de tráfego, com base na estabilidade estática e nas coordenadas do centro de gravidade (CG) de dois tratores com rodados de pneus, sendo um ...
Julião Soares de Souza Lima, Amaury Paulo de Souza, Carlos Cardoso Machado, José Eduardo Macedo Pezzopane, Mário Luis Areas   +4 more
doaj   +1 more source

Productivity analysis and costs of wheel cable skidder during salvage logging in European beech stand

Journal of Agricultural Engineering, 2023
Salvage logging is increasing in Central Europe because of the growth of severe meteorological events, and timber harvesting in these conditions is challenging in terms of both productivity performances and safety of the operations.
Stanimir Stoilov, Salvatore F. Papandrea, Georgi Angelov, Delyan Oslekov, Giuseppe Zimbalatti, Andrea R. Proto   +5 more
doaj   +1 more source

Mechanisation of Different Logging Operations: Environmental Impact Assessment using Life Cycle Assessment (LCA) Approach

Chemical Engineering Transactions, 2017
Different logging systems (or harvesting systems) can be used for wood extraction. Cable logging system is typically carried out on steep slopes and other rough terrain.
A.R. Proto, J. Bacenetti, G. Macri, M. Fiala, G. Zimbalatti   +4 more
doaj   +1 more source

Evaluation of small-sized skidders performance [PDF]

IOP Conference Series: Materials Science and Engineering, 2020
Abstract The aim of the work is to further develop theoretical description of interaction between small-sized forestry vehicles and soils, to study productivity and indicators of interaction of wheeled and tracked vehicles with weaker forest soils.
G V Grigorev, I N Dmitrieva, E V Kotenev
openaire   +1 more source

The Impact of Felling Method, Bunch Size, Slope Degree and Skidding Area on Productivity and Costs of Skidding in a Eucalyptus Plantation

Croatian Journal of Forest Engineering, 2021
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 ...
Ricardo Hideaki Miyajima, Paulo Torres Fenner, Gislaine Cristina Batistela, Danilo Simões   +3 more
doaj   +1 more source