Forest road network design using a trade-off analysis between skidding and road construction costs

Chung, Woodam; Stückelberger, Jürg; Aruga, Kazuhiro; Cundy, Terrance W. CundyT.W.

doi:10.1139/x07-170

Cited by 43 publications

(25 citation statements)

References 4 publications

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“…Indeed, a dense road network leads to a lower harvest cost (shorter hauling distances to roadside), but a higher road construction cost. Therefore, the design of a forest road network must achieve a trade-off between harvest cost and construction cost (Chung et al 2008), which is a challenging aspect of the problem. Similar decision problems have been studied in the literature.…”

Section: Forest Management Contextmentioning

confidence: 99%

Interactive planning system for forest road location

2015

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This paper presents an interactive planning system for forest road location. This decision support system is based on an interactive heuristic approach referred to as interactive large neighborhood search, within which the user contributes in a cooperative manner to the optimization process. The objective of this cooperative optimization process is to exploit the problem-domain expertise of the user in order to, on the one hand, guide the search for a solution towards intuitively interesting parts of the solution space, and, on the other hand, generate more practical solutions that integrate aspects of the decision problem that are not captured by the heuristic objective function. This paper more specifically presents the user interface, the interaction mechanisms and the heuristic developed to support the cooperation between the computer and the user. We also present experimental results based on real problem instances, with an expert user. A comparison shows advantages for using the proposed interactive approach over a pure manual or pure automated approach.

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Section: Forest Management Contextmentioning

confidence: 99%

Interactive planning system for forest road location

2015

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“…Creation of a special state cor-poration for construction of forest roads is considered and discussed in press. The problem of forest roads construction is complex and many-sided [7][8][9][10][11][12][13][14]. Forest roads are used not only for timber hauling, frequently they provide development of the region as a whole and are important for solving social and other problems.…”

Section: Introductionmentioning

confidence: 99%

Technological modernization of forest roads construction in Russia

Smirnov¹,

Andrianov²,

Chernyakevich³

2018

J Appl Eng Science

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The paper considers the basic problems of construction of wood roads in Russia. Lack of suffi cient quantity of roads functioning year round leads to annual isolation of almost 15 million inhabitants of forest settlements in autumn and in spring, absence of rhythm in timber-hauling process, increase in forest products cost. Two organizational methods of forest roads construction, namely, fl ow-line conveyor and non-fl ow-line conveyor ones are compared. According to the advanced fl ow-line conveyor method a complex stream is organized uniting specialized streams equipped with road machines and mechanisms for performing separate works. When the amount of work is small it is recommended to apply a non-fl ow-line conveyor method, either cyclic or inby. The experience of constructing a road in a forest, which does not provide any headworks and is carried out by a dredge only, is considered. It allows to lower expenses for construction works. Owing to the absence of stone road-building materials in the majority of forest regions of Russia a new design of a two-layer road covering from reinforced concrete slabs and the technology of its construction have been developed. The comparison of the suggested technology of forest roads construction with existing domestic technologies and the Finnish one has shown its effi ciency both in terms of money, and from the viewpoint of reduction of the number of necessary machines and equipment. The technology suggested has passed industrial approbation on running logging enterprises.

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“…Mathematical modeling methods are actively used to optimize the processes of logging in steep terrain using air vehicles and cable haulage (Heinimann 1998;Epstein et al 2006;Chung et al 2008;Bont et al 2012) or to optimize tree stem cutting (Sessions et al 2005;Carlsson & Rönnqvist 2005;Flisberg et al 2007;Chauhan et al 2009;Dems et al 2012).…”

Section: Introductionmentioning

confidence: 99%

Optimization of a forest harvesting set based on the Queueing Theory: Case study from Karelia

Shegelman¹,

Будник²,

Morozov³

2015

Forestry Journal

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The modern technological process of timber harvesting is a complex system both technically and organizationally. Nowadays, the study of such systems and improvement of their efficiency is impossible without the use of mathematical modeling methods. The paper presents the methodology for the optimization of logging operations based on the queueing theory. We show the adapted queueing model, which characterizes the process of logging with the use of a harvesting set consisting of harvesters and forwarders. We also present the experimental verification of the designated model that confirmed mode`s adequacy. The analysis of the effectiveness of the investigated harvesting set was conducted and the recommendations for its optimization were drawn. The research was conducted in the Pryazhinsky District in the Republic of Karelia. We showed that significant improvement of operational efficiency of the investigated harvesting set in the study area cannot be done by adjusting separate machine operations (i.e. by reducing the time of operations execution and their steadiness). However, a change in the number of machines allowed significant improvement in the operational efficiency. The most optimal harvesting set design for the experimental area consisted of two harvesters and two forwarders.Key words: queueing theory; harvester; forwarder; harvesting set; moddeling abstrakt Moderný ťažbový proces predstavuje technicky aj organizačne komplexný systém. Štúdium takýchto systémov a zvyšovanie ich efektívnosti v súčasnosti nie je možné bez využitia metód matematického modelovania. V článku prezentujeme metódu na optimalizáciu ťažbového procesu založenú na báze teórie hromadnej obsluhy. Prezentujeme model hromadnej obsluhy pre zostavu ťažobných strojov pozostávajúcu z harvestorov a vývozných súprav. Okrem toho prezentujeme výsledky experimentálnej validácie navrhnutého modelu, ktoré potvrdili jeho funkčnosť. Výskum bol realizovaný v Prijažinskom regióne v Karélii. Z výsledkov vyplynulo, že významnejšie zlepšenie výkonnosti zostavy ťažbových zariadení v modelovom území nemôže byť dosiahnuté úpravou jednotlivých operácií (napr. skrátením času výkonu operácie). Naopak, zmeny počtu zariadení majú na výkonnosť ťažbovej zostavy zásadný vplyv. Optimálna ťažbová zostava pre podmienky modelového územia pozostáva z dvoch harvestorov a dvoch vývozných súprav.

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Forest road network design using a trade-off analysis between skidding and road construction costs

Cited by 43 publications

References 4 publications

Interactive planning system for forest road location

Interactive planning system for forest road location

Technological modernization of forest roads construction in Russia

Optimization of a forest harvesting set based on the Queueing Theory: Case study from Karelia

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