欧洲山毛榉林打捞采伐时轮索打滑机的生产率分析及成本

IF 2.4 4区 农林科学 Q2 AGRICULTURAL ENGINEERING Journal of Agricultural Engineering Pub Date : 2023-08-01 DOI:10.4081/jae.2023.1419
Stanimir I Stoilov, S. Papandrea, G. Angelov, Delyan Oslekov, G. Zimbalatti, A. Proto
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引用次数: 0

摘要

由于严重气象事件的增加,中欧的救助采伐正在增加,在这种条件下采伐木材在生产性能和作业安全方面都具有挑战性。近年来,随着自然灾害的增加,一些研究者研究了地面系统打捞采伐的机械生产率性能。事实上,一种常见的干扰后管理方法是打捞性采伐,包括广泛移除受损树木。本研究分析了受湿雪影响的欧洲山毛榉林分的系统生产力和采伐成本。大量湿雪的增加对北半球的森林构成了最大的威胁。当降水时气温接近冰点时,这种类型的雪更有效地附着在树冠和树枝上。因此,当土壤解冻时,树木可能会折断或弯曲,并可能被连根拔起。本研究旨在评估在两种不同类型湿雪破坏的山毛榉林中,利用滑车进行回收采伐的生产力和成本效益。结果表明,在打捞岩屑去除强度为10%的情况下,四轮驱动滑索机的生产率为14.73 m3·SMH-1,与“普通”岩屑滑索机的性能相似。Skidder的生产时间是计划时间的86%,而延误是由于组织原因,机械延误和恶劣的天气条件。本研究得到的索撬的平均运动速度与同类机器上的其他研究结果接近。单位成本低于其他适用于硬木打捞采伐作业的滑绳机和农用拖拉机的有效成本消耗。因此,在一定条件下,从造林、技术和经济的角度来看,在打捞作业中使用四轮驱动索撬是可行的。
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Productivity analysis and costs of wheel cable skidder during salvage logging in European beech stand
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. In recent years, with the increase of natural calamities, several researchers studied machinery productivity performances regarding salvage logging carried out by ground-based systems. In fact, a common post-disturbance management approach is salvage logging which consists of the widespread removal of damaged trees. In this research, system productivity and the cost of salvage logging are analysed in European beech stands affected by wet snow. The accretion of heavy wet snow poses the greatest risk to forests in the Northern Hemisphere. This type of snow attaches more effectively to tree crowns and branches when temperatures are close to freezing at the time of precipitation. As a result, trees may break or bend and may be uprooted when the soil is unfrozen. This study has been implemented to evaluate the productivity and cost-effectiveness of extraction in salvage logging deployed with a skidder in beech stands affected by two different types of wet snow damage. The results show that the productivity of the four-wheel-drive cable skidder, despite operating in salvage cutting with a removal intensity of 10%, is 14.73 m3·SMH–1, similar to skidder performances in ‘ordinary’ cuttings. Skidder’s productive time was 86% of the scheduled time, whereas the delays were due to organisational reasons, mechanical delays, and adverse weather conditions. The mean travel speed of the cable skidder obtained in this study is close to the results obtained from other studies on similar machines. The costs per unit are lower than effective cost consumptions for the other cable skidders and agricultural tractors, adapted for skidding operated in hardwood salvage logging. Therefore, under the given conditions, the operation of the fourwheel-drive cable skidder is viable from a silvicultural, technical, and economic point of view in the salvage operation logging.
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来源期刊
Journal of Agricultural Engineering
Journal of Agricultural Engineering AGRICULTURAL ENGINEERING-
CiteScore
2.30
自引率
5.60%
发文量
40
审稿时长
10 weeks
期刊介绍: The Journal of Agricultural Engineering (JAE) is the official journal of the Italian Society of Agricultural Engineering supported by University of Bologna, Italy. The subject matter covers a complete and interdisciplinary range of research in engineering for agriculture and biosystems.
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