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Journal articles on the topic 'Timber haulage'

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1

Allman, Michal, Zuzana Dudáková, Martin Jankovský, and Ján Merganič. "Operational Parameters of Logging Trucks Working in Mountainous Terrains of the Western Carpathians." Forests 12, no. 6 (2021): 718. http://dx.doi.org/10.3390/f12060718.

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Timber haulage is the last phase of the raw timber production process, necessary to transport timber to the customer. To improve the efficiency of logging truck operations, it is necessary to observe and assess several operational parameters through the electronic systems installed on the logging trucks. Measurements for this study were conducted for three logging truck types, which hauled 24,648 m3 of timber over 54,857 km and 1232 round trips. The RMC system was used for truck monitoring, equipped with a CAP04 capacitance sensor and a WGS 48 GPS module. The monitoring was continuous, lasting
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2

Thomas, Smaltschinski, and Müller Martin. "Timber Transport – Reduction of Empty Runs by Back Haulage and Triangle Routes." Open Journal of Bioinformatics and Biostatistics 8, no. 1 (2024): 001–8. https://doi.org/10.17352/ojbb.000014.

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Back haulage or triangle routes are a suitable means of achieving a reduction in empty runs in timber transport. The calculation is done using linear programs. One problem with linear programs is the high complexity caused by the combinatorics involved in generating the routes. This can be reduced if the characteristics of back haulage or triangle routes are taken into account. The complexity then drops drastically and well-compatible linear programs are obtained. The methodology presented in this study was tested for the harvest sizes of the 2015 fiscal year of the Bavarian State Forest Enter
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3

Killer, D., S. Paxton, and A. Dawson. "Engineering and Legislative Options for Improved Timber Haulage in Scottish Forests: Inclusive Stakeholder Approach." Transportation Research Record: Journal of the Transportation Research Board 1819, no. 1 (2003): 109–17. http://dx.doi.org/10.3141/1819a-17.

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The forest industry in Scotland depends for its economic survival on the efficiency with which it can get the felled timber to the mill. This efficiency is shown to depend on pavement quality, particularly the aggregates used; the truck fleet available to extract the timber; and the interaction of these two factors and the legislative regime, including taxation, under which the forest traffic operates. Although there is a high degree of cooperation within the forest industry—pavement constructors, haulage companies, public and private forest owners, and local government authorities—there is ne
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4

Devlin, Ger J., and Kevin McDonnell. "Assessing Real Time GPS Asset Tracking for Timber Haulage." Open Transportation Journal 3, no. 1 (2009): 78–86. http://dx.doi.org/10.2174/1874447800903010078.

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5

Soirinsuo, Juho, and Pekka Mäkinen. "Growth and economies of scale among timber haulage companies." Journal of Small Business and Enterprise Development 18, no. 1 (2011): 170–84. http://dx.doi.org/10.1108/14626001111106497.

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6

Jankovský, Martin, Michal Allman, Zuzana Allmanová, Michal Ferenčík, Ján Merganič, and Valéria Messingerová. "Is timber haulage safe? A ten year study of occupational accidents." Safety Science 113 (March 2019): 154–60. http://dx.doi.org/10.1016/j.ssci.2018.11.018.

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7

Devlin, Ger J., Kevin McDonnell, and Shane Ward. "Timber haulage routing in Ireland: an analysis using GIS and GPS." Journal of Transport Geography 16, no. 1 (2008): 63–72. http://dx.doi.org/10.1016/j.jtrangeo.2007.01.008.

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8

Posmetev, V. I., V. O. Nikonov, and V. V. Posmetev. "Efficiency evaluation of energy recovery in the bunk of a timber truck based on the results of simulation modelling." IOP Conference Series: Earth and Environmental Science 875, no. 1 (2021): 012030. http://dx.doi.org/10.1088/1755-1315/875/1/012030.

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Abstract The main reasons restraining the efficiency of timber trucks (hauling tractors with semi-trailers) have been considered. A promising direction has been proposed making it possible to increase the efficiency of hauling tractors with semi-trailers. This direction consists in the development and study of a recuperative bunk device for a timber haulage site, installed on a logging tractor. The aim of the research consisted of two stages. At the first stage, a mathematical model for the functioning of the recuperative bunk device of the logging site, installed on a timber truck has been de
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9

Posmetev, Valeriy, Vadim Nikonov, Viktor Posmetev, and Aleksey Matyashov. "IMPROVEMENT OF THE ENERGY RECOVERY SYSTEM OF A TIMBER TRACTOR WITH A LUMBER TRUCK." Forestry Engineering Journal 11, no. 2 (2021): 149–65. http://dx.doi.org/10.34220/issn.2222-7962/2021.2/14.

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The place of road transport in logging production has been considered. The main advantages of using timber tractors with timber drags in comparison with other layout schemes of timber road trains have been described. Conse-quences of dynamic loads acting on the pivot of the turning bunk of a timber-carrying area from frequent braking of a timber tractor with a timber drag have been given. Based on the analysis of scientific works of foreign scientists, the promising direction of research in the field of recuperation of various types of energy in road transport is substantiated, which makes it
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10

Trzciński, Grzegorz, Waldemar Sieniawski, and Tadeusz Moskalik. "Effects of Timber Loads on Gross Vehicle Weight." Folia Forestalia Polonica, Series A - Forestry 55(4) (December 1, 2013): 159–67. https://doi.org/10.2478/ffp-2013-0017.

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Forest roads are characterized by low traffic, but heavy timber haulage trucks have a significant influence on road conditions and usually exceed the limit of 80–100 kN per axle. The excessive weight of the trucks degrades the road surface and the forest environment. This article presents the results of a study of timber transport loads from their places of acquirement (forest districts) to the recipient (a large sawmill). The analysis includes the parameters of the timber transport vehicles and focuses especially on the gross vehicle weight (GVW), the total weight of empty truck and tra
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11

Bagwell, Philip S. "Book Review: Men, Mud and Machines: More Achievements in round Timber Haulage." Journal of Transport History 9, no. 2 (1988): 218–19. http://dx.doi.org/10.1177/002252668800900213.

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12

Yao, Gao Hui, Yi Ming Wang, and Kai Jian Hu. "Stability Analysis of Central Haulage in Baluba Copper Mine." Applied Mechanics and Materials 638-640 (September 2014): 822–28. http://dx.doi.org/10.4028/www.scientific.net/amm.638-640.822.

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Site observations were conducted to investigate the reasons for the poor current rock-mass conditions being experienced in essential crosscuts, to provide recommendations for remedial support measures. Conceptual analyses of mining induced stresses within abutment pillars were undertaken using elastic analytical and mathematical modelling. The results showed that damage to the crosscuts is due to high mining-induced stresses, with the major stress probably acting vertically, the protection pillar for the 480 Level crosscut should be at least 100 m wide. The research demonstrated that only 2.4
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13

Posmetev, Valeriy, Vadim Nikonov, Vladimir Zelikov, and Viktor Posmetev. "TWO-FACTOR PARAMETER OPTIMIZATION OF PROMISING MODULAR HYDROPNEUMATIC SUSPENSION FOR LOGGING ROAD TRANSPORT." Forestry Engineering Journal 10, no. 3 (2020): 175–84. http://dx.doi.org/10.34220/issn.2222-7962/2020.3/17.

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The necessity to reduce the cost of timber haulage by logging road transport to increase the efficiency of logging in the Russian Federation has been substantiated. The drawbacks of the timber road transport equipped with traditional suspension systems, which are manifested when they transport timber along low quality logging roads, have been revealed. A promising direction for improving the operational properties of timber road transport used for hauling timber is described. It consists in the development of effective design schemes for suspensions for timber road transport with optimal suspe
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14

Liashok, Iaroslav, Serhii Podkopaiev, Leonid Bachurin, Hennadii Boichenko, and Oleksandr Tkachuk. "THE INFLUENCE OF DEFORMATION PROPERTIES OF SECONDARY SUPPORT STRUCTURES OF MINE GATEROADS ON THEIR RESISTANCE ACCORDING TO THE LENGTH OF THE EXTRACTION PANEL." JOURNAL of Donetsk Mining Institute, no. 1 (2022): 68–80. http://dx.doi.org/10.31474/1999-981x-2022-1-68-80.

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Purpose. To increase the effectiveness of measures to reduce injuries and create safe working conditions for miners in a deep coal mine with steeply inclined coal seams, assess the impact of deformation properties stiffness of secondary support structures of mine gateroads on their stability in the coal-rock strata according to the length of the extraction panel. Methods. To achieve this purpose, the results of in-mine instrumental observations of the stability of haulage roadways under different supporting methods were analyzed, considering the deformation properties of secondary support stru
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15

Martin, Audrey, Philip Owende, Shane Ward, and Micheal O'Mahony. "A Timber Extraction Method Based On Pavement Serviceability and Forest Inventory Data." Forest Science 46, no. 1 (2000): 76–85. http://dx.doi.org/10.1093/forestscience/46.1.76.

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Abstract A methodology for integrating pavement classification and forest inventory data to determine the capability of forest access roads with weak subgrades to support timber extraction is described. GPS location data recorded in stand-alone mode was superimposed on forest and Ordnance Survey maps. Within a GIS, the acquired spatial data was manipulated and integrated with pavement attribute information and the current and projected forest inventory data. Potential pavement damage by a typical timber haulage truck with payloads of 22, 27, 30, and 35 tonnes (t) was then assessed. It was foun
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16

Jiroušek, R., R. Klvač, and A. Skoupý. "Productivity and costs of the mechanised cut-to-length wood harvesting system in clear-felling operations." Journal of Forest Science 53, No. 10 (2008): 476–82. http://dx.doi.org/10.17221/2088-jfs.

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A study of labour productivity was conducted in fully mechanised harvesting technologies. The study revealed that the productivity of harvesters was particularly affected by the average tree volume of the felled trees, and the productivity of forwarders was affected mainly by two factors – haulage distance and machine payload. Dependences of other factors such as natural and site conditions, technical parameters and skills of operators could not be demonstrated. Regression equations of dependences were created for all these three significant criteria and costs per cubic meter of processed timb
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17

Svoykin, F. V., V. A. Sokolova, N. S. Korolko, and A. O. Shoshin. "Constructive solutions to improve cable haulers for development of hard-to-reach cutting areas." E3S Web of Conferences 193 (2020): 01048. http://dx.doi.org/10.1051/e3sconf/202019301048.

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The article proposes a constructive solution for improving the technological process of logging wood with rope skidders under conditions of an extended distance of the primary haulage of wood and a considerable length of a hauling-carrying rope for hilly-ridge and waterlogged production conditions, including for selective felling (especially relevant in the Northwestern Federal District of the Russian Federation , especially in the Leningrad region, where timber harvesting in the forests of the first category predominates). The proposed solution is a double-structure carriage, obtained by conn
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18

Ufomba, Henry, and Eze Elekwachi. "Explaining the Ineffective Implementation of Logging Regulations in Nigeria’s Protected Forest Areas." AKSU Journal of Social Sciences 5, no. 1 (2024): 1–21. https://doi.org/10.61090/aksujoss.2024.031.

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This study investigates the ineffective implementation of logging regulations in Nigeria’s protected forest areas, focusing on Oyo State as a case study. We explored how inconsistencies among forest officers contribute to ongoing deforestation and forest degradation. Despite the existence of legal frameworks, including logging, haulage, and sawmill permits, enforcement remains inconsistent, particularly at the point of timber extraction. The study highlights the role of corruption, where illegal loggers bypass regulations with the complicity of street-level bureaucrats, undermining conservatio
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19

G. J. Devlin, K. McDonnell, and S. Ward. "Development of a Spatial Decision Support System (SDSS) for Route Costing Calculations within the Irish Timber Haulage Sector." Transactions of the ASABE 51, no. 2 (2008): 763–73. http://dx.doi.org/10.13031/2013.24368.

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20

Devlin, Ger J., and Kevin McDonnell. "Performance Accuracy of Real-Time GPS Asset Tracking Systems for Timber Haulage Trucks Travelling on Both Internal Forest Road and Public Road Networks." International Journal of Forest Engineering 20, no. 1 (2009): 45–49. http://dx.doi.org/10.1080/14942119.2009.10702575.

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21

Pienaar, Wessel. "A proposed regulatory framework for road and rail freight transport in South Africa." Suid-Afrikaanse Tydskrif vir Natuurwetenskap en Tegnologie 26, no. 4 (2007): 265–78. http://dx.doi.org/10.4102/satnt.v26i4.140.

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The increase in the number of freight vehicles on South Africa’s rural road network has received substantial attention. Insinuations persist that long-distance road freight haulage is of a somewhat unsavoury economic nature, and that strict economic re-regulation of the land freight transport is necessary. During the 1970s road transport replaced rail carriage as the dominant form of long-distance freight transport (excluding minerals and ore) in South Africa. On long hauls road freight carriers transport certain primary products of an organic nature (such as timber, fish and agricultural prod
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22

Dvořák, J., Z. Malkovský, and J. Macků. "Influence of human factor on the time of work stages of harvesters and crane-equipped forwarders." Journal of Forest Science 54, No. 1 (2008): 24–30. http://dx.doi.org/10.17221/790-jfs.

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Harvester technologies represent the second most common logging system in the Czech Republic. The high productivity of this technology is very necessary to cover its acquisition and operational costs. A human factor – a machine operator is the most important factor that surely influences the machine productivity. That is why the aim of this study is as follows: to analyze the mutual dependence of machine operator’s education and working experience and harvester and forwarder productivity. The analysis proves that the operator’s education and even more his working experience are very important.
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23

SMALL, Riley, and Mohammad Reza GHAFFARİYAN. "A short Literature Review on Sawlog and Pulpwood Transport Efficiency and Fuel Consumption." European Journal of Forest Engineering, June 26, 2023. http://dx.doi.org/10.33904/ejfe.1315293.

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Timber transport is one of the main components of woody supply chain, which causes high costs and considerable emissions depending on truck size, type, transport distance, and payload. A cradle-to-gate life cycle assessment of Softwood plantations and regrowth hardwood native forests estimated that the most significant contributor to total greenhouse emissions per unit of wood production in softwood plantation was log haulage at 37%. For regrowth native hardwood forests, log transportation contributed 23% of greenhouse gas emissions. This research, built on existing literature, focused on how
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24

Лоренц, А. С., and Д. Г. Мясищев. "Features of the device, the design and use of experimental equipment for the study of elements of brake systems, chassis timber." Известия СПбЛТА, no. 218(218) (March 20, 2017). http://dx.doi.org/10.21266/2079-4304.2017.218.121-129.

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Статья посвящена обзору конструкции экспериментального оборудования для исследования тормозных систем. С повышением интенсивности движения и общего веса лесотранспортных систем возрастают требования к эффективности и безопасности торможения. Тягово-скоростные и тормозные свойства лесотранспортных машин связаны между собой. Чем выше скорость движения машины, тем эффективнее должны быть ее тормозные свойства. Следовательно, безопасность движения и производительность в большей мере зависят от тормозных свойств лесотранспортной машины. Кроме того, существует целая гамма внутризаводского самоходног
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