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Težavnost dela in obremenitve gozdnega delavca z ropotom pri spravilu lesa z žičnim žerjavom : diplomsko delo - visokošolski strokovni študij - 1. stopnja
ID Čadež, Timotej (Author), ID Potočnik, Igor (Mentor) More about this mentor... This link opens in a new window

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Abstract
Namen raziskave je bil ugotoviti razlike v težavnosti del a in obremenitvijo z ropotom na delovnih mestih, ki se pojavljajo pri spravilu z žičnim žerjavom Sychrofalke. Štiri dnevne meritve so bile izvedene pri montaži žičnega žerjava, pri pripenjanju bremen, pri upravljanju vozička ter pri upravljanju stroja. Vse meritve so bile opravljene na istem delavcu. Rezultati kažejo, da je največja težavnost dela pri montaži žičnega žerjava (74,9 u/min, 53,1 %), manjša pri pripenjalcu - sekaču (39,2 u/min, 27,8 %)) in najmanjša pri strojniku (18,4 u/min, 13,1 %). Ker je skup na ocenjena težavnost dela pri spravilu lesa 37 u/min oz. 27% večja od mednarodno dogovorjenih mej ( HR w 35 u/min ali HR r 40 %), je težavnost dela prevelika. Obremenitve z ropotom v 8 urnem delovniku so največje pri pripenjalcu - sekaču (96,2 dB(A)), manjša j e pri montaži (93,8 dB(A)), sledi delovno mesto strojnika (87,9 dB(A)) in pripenjalec - upravljalec (82,4 dB(A)). Glede na mednarodno zakonodajo ocenjene skupne obremenitve pri spravilu lesa z žičnim žerjavom (92,0 dB(A)) presegajo spodnjo in zgornjo opozori lno vrednost dnevne izpostavljenosti, pri neuporabi osebne varovalne opreme pa tudi mejno vrednost.

Language:Slovenian
Keywords:žičnično spravilo lesa, težavnost dela, pulz, obremenitve z ropotom, ekvivalentna jakost ropota
Work type:Bachelor thesis/paper
Typology:2.11 - Undergraduate Thesis
Organization:BF - Biotechnical Faculty
Place of publishing:Ljubljana
Publisher:[T. Čadež]
Year:2014
Number of pages:38 str.
PID:20.500.12556/RUL-115083 This link opens in a new window
UDC:630*30:630*37(043.2)=163.6
COBISS.SI-ID:3933350 This link opens in a new window
Publication date in RUL:11.04.2020
Views:928
Downloads:118
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Secondary language

Language:English
Title:Physical workload and noise exposure at cable yarding with Syncrofalke
Abstract:
The aim of the research was to determine differences in the physiological work load and noise exposures in work places that appear at the cable yarding with Sychrofalke. Four daily work place measurements were carried out : setting up of the cable crane, log hooking , operating the carriage and last day operating the cable crane. The same worker was the subje ct of measurements in all four days . From the results it was found out that physiological work load was the highest at setting up of the cable crane ( HRw: 74.9 bpm , HRr: 53.1 %), lower at log hooking (42.4 bpm, 30.1 % ) and a t carriage operating (39.2 bpm, 27.8 %) and the smallest at cable crane operat ing (18.4 bpm, 13.1 %). T he estimated 8 - hour work load s at cable yarding (37 bpm, 27 %) exceed internationally agreed limits (35 bpm or. 40 %) . Noise exposure was the highest at log hooking because of the use of chainsaw (96.2 dB (A)), smaller at setting up the cable crane (93.8 dB (A)), followed by operating the cable crane (87.9 dB (A)) and the smallest at carriage operating ( 82.4 dB (A)). According to EU directives , the estimated 8 - hour exposure to noise at cable yarding (92.0 dB (A)) exceeds the lower and upper exposure action values and also exposure limit value in the case of abandonment of use of personal protectors.


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