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Articles containing the keyword 'road-side landing'

Category : Research note

article id 148, category Research note
Ola Lindroos, Magnus Matisons, Petter Johansson, Tomas Nordfjell. (2010). Productivity of a prototype truck-mounted logging residue bundler and a road-side bundling system. Silva Fennica vol. 44 no. 3 article id 148. https://doi.org/10.14214/sf.148
Keywords: bioenergy; compaction; composite residue logs; densification; road-side landing; slash; supply chain
Abstract | View details | Full text in PDF | Author Info
When recovering logging residues (LR) for bioenergy its density should be increased before road transport, otherwise a low proportion of the trucks’ load capacity will be used. One way this can be currently done is to compress LR into bundles that are forwarded to roadside landing. A less well-developed alternative is to forward loose LR and bundle it at landing. In the presented study, a prototype specifically developed for road-side bundling was found to produce larger, heavier bundles than bundling machinery intended for in-field use (mean length, diameter and raw bulk density 4.7 m, 0.8 m and 285 kg m–3, respectively, with 299–445 kg oven dry matter per bundle). The machine was also at least 30% more productive than previously described in-field bundling systems, producing 14–19 bundles per productive work hour (PWh), equivalent to 5.2–7.8 oven-dry tonnes PWh–1. Bundles were estimated to use 67–86% of an LR truck’s 30 tonnes load capacity, similar to proportions used when transporting loose LR. However, a continuous feeding and compressing process would probably almost double productivity, while longer bundles would enable full use of truck load capacity. With such improvements bundling at road-side could provide a viable alternative to current LR-recovering systems.
  • Lindroos, Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå, Sweden E-mail: ola.lindroos@srh.slu.se (email)
  • Matisons, Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå, Sweden E-mail: mm@nn.se
  • Johansson, Sveaskog Förvaltnings AB, Vindeln, Sweden E-mail: pj@nn.se
  • Nordfjell, Department of Forest Resource Management, Swedish University of Agricultural Sciences, Umeå, Sweden E-mail: tn@nn.se

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