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Obremenitev delavca z dejavniki delovnega okolja pri spravilu lesa z zgibnim traktorjem Ecotrac 120V : magistrski študij - 2. stopnja = Exposure of operator to working environment factors during work with skidder Ecotrac 120V : M. Sc. thesis - master study programmesObranovič, AlanNamen magistrske naloge je bil ugotoviti težavnost dela in obremenitve delavca z ropotom in tresenjem celega telesa ter raziskati, ali odprtost gozdnega prostora s primarnimi in sekundarnimi ... prometnicami (razdalja vlačenja) vpliva na težavnost dela in obremenitve delavca pri spravilu lesa z zgibnim traktorjem Ecotrac 120V. Meritve so potekale na območju visokega Krasav južnem delu Slovenije, v mešanih gozdovih jelke in bukve. Skupaj so meritve trajale šest dni, od katerih je spravilo prve štiri dni potekalo navzdol, zadnja dva dni pa navzgor. Sočasno z merjenjem obremenitev je potekala časovna študija. Skupna količina sečnje in spravila je v času meritev znašala 338,2 m3, kar je v povprečju 56,4 m3/dan. Povprečna razdalja vlačenja pri spravilu navzdol je bila 144, pri spravilu navzgor pa 130 metrov.Rezultati so pokazali, da težavnosti dela glede na povprečni delovni pulz v delovniku (44,5 u/min) presega trajno dopustno mejo 35 u/min, medtem koje glede na relativni delovni pulz (34,5%) pod dopustno mejo 40%. Obremenitev z ropotom zaradi neuporabe glušnikov presega opozorilni in mejni vrednosti izpostavljenosti glede na konično raven zvočnega tlaka kakor tudi glede na raven dnevne izpostavljenosti (LCpeak = 140,7 dB(C), LAeq.kor. = 89,7dB(A)). Obremenitve s tresenjem celega telesa izračunane kot RMS vrednosti(RMS VTV = 0,89 m/s2) presegajo opozorilno vrednost, izračunane kot skupna doza tresenja (VDV VTV = 41,97 m/s1,75) pa tudi mejno vrednost dnevne izpostavljenosti. Ukrepi za zmanjšanje obremenitev morajo biti usmerjeni k redni uporabi glušnikov in zmanjšanju dnevnih učinkov ali k omogočanju menjave delovnega mesta.Type of material - master's thesis ; adult, seriousPublication and manufacture - Ljubljana : [A. Obranovič], 2013Language - slovenianCOBISS.SI-ID - 3660198
Author
Obranovič, Alan
Other authors
Potočnik, Igor, 1960- |
Poje, Anton
Topics
spravilo lesa |
Ecotrac 120V |
težavnost dela |
ropot |
tresenje celega telesa |
časovna študija
Library/institution |
City | Acronym | For loan | Other holdings |
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Slovenian Forestry Institute, Forestry Library, Ljubljana | Ljubljana | GIS |
outside loan 1 cop.
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Obranovič, Alan | |
Potočnik, Igor, 1960- | 06473 |
Poje, Anton | 22576 |
Source: Personal bibliographies
and: SICRIS
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