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Pathway toward sustainable winter road maintenance (case study)
Katja Malovrh Rebec, Janez Turk, 2023, samostojni znanstveni sestavek ali poglavje v monografski publikaciji

Povzetek: Life Cycle Assessment (LCA) method was applied to evaluate the environmental impacts of winter road maintenance managed by an innovative road-weather information system and the impacts of vehicles passing the road during the snowstorm event. A case study refers to 10-hour lasting snowstorm event, considering a specific road section and application of a road-weather information management system to help winter road maintenance agency optimizing activities (salt gritting and/or plowing). Reliable information on the timing of the beginning of the snowstorm event affects (1) the activities of winter road maintenance, (2) the mobility of all vehicles passing the road, and (3) the fuel consumption of the vehicles. Since activities are optimized in case of preventive operation of winter road maintenance, less salt is needed overall. The road remains free of snow cover in case of preventive winter road maintenance operation, meaning that passenger cars and trucks pass the road at normal speed, without undesirable acceleration and braking caused by wheels slipping if snow accumulates on the road. Fuel consumption of vehicles passing salted and snow-free road remains unchanged, while fuel consumption increases in case of snow cover. Reduction of environmental burdens in case of such optimized winter road maintenance operation, is shown in this case study. The overall results of the comparative LCA analysis showed that the use of the road-weather information system in road traffic allows for as much as 25% reduction of environmental footprints. In the scenario where the winter service does not use information system the winter service also uses 40% more salt, which is also related with additional environmental impacts.
Ključne besede: LCA, okoljski odtisi, cesta, snežne razmere, preventivno delovanje, promet, poraba goriva, varnost, LCA, environmental impacts, road, snow cover, preventive operation, traffic, fuel consumption, safety
Objavljeno v DiRROS: 11.12.2023; Ogledov: 148; Prenosov: 89
.pdf Celotno besedilo (19,01 MB)
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Gospodarski pomen drevesnih vrst
Lojze Žumer, 1962, strokovni članek

Ključne besede: gozdarstvo, lesna industrija, vrste dreves, listavci, iglavci, poraba lesa
Objavljeno v DiRROS: 24.08.2023; Ogledov: 230; Prenosov: 65
.pdf Celotno besedilo (10,08 MB)

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Uvod v perspektivno planiranje lesne industrije
Lojze Žumer, 1950, strokovni članek

Ključne besede: lesna industrija, proizvodnja lesa, poraba lesa, bukev, načrtovanje, planiranje
Objavljeno v DiRROS: 23.08.2023; Ogledov: 253; Prenosov: 83
.pdf Celotno besedilo (5,38 MB)

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Predelava lesa v industriji se povečuje
Špela Ščap, 2022, strokovni članek

Ključne besede: predelava lesa, gozdni lesni sortimenti, zunanja trgovina, tokovi okroglega lesa, poraba lesa
Objavljeno v DiRROS: 24.01.2023; Ogledov: 366; Prenosov: 177
.pdf Celotno besedilo (5,62 MB)

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Proizvodnja in poraba okroglega lesa lani nižja kot v 2019
Špela Ščap, 2021, strokovni članek

Ključne besede: okrogli les, proizvodnja lesa, iglavci, listavci, trg, poraba lesa, gozdarstvo, gozdovi
Objavljeno v DiRROS: 12.11.2022; Ogledov: 457; Prenosov: 110
.pdf Celotno besedilo (3,92 MB)

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