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Obremenitve in težavnost dela voznika pri prevozu lesa z gozdarskim kamionom MAN 28.480 TGS : magistrsko delo - 2. stopnja
Žmuc, Tomaž (Author), Potočnik, Igor (Mentor) More about this mentor... This link opens in a new window, Poje, Anton (Co-mentor)

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Abstract
Magistrska naloga obravnava težavnost dela in obremenitve z ropotom in tresenjem voznika gozdarskega kamiona ter rezultate primerja z dopustnimi mejami, določenimi v evropski in slovenski zakonodaji. Meritve so potekale pri prevozu lesa z novim gozdarskim kamionom MAN 28.480 TGS, in sicer 10 snemalnih dni za potrebe ugotavljanja sestave delovnega časa in težavnosti dela ter en da za potrebe ugotavljanja obremenitev z ropotom in tresenjem. Rezulati so pokazali, da je delo za voznika kamiona pretežavno, saj delovni pulz, 43 u/min, presega mednarodno dogovorjene vrednosti. Poleg tega se težavnost dela preko celotnega delovnika povečuje. Najvišja težavnost dela je bila izmerjena med operacijama premik med nakladanjem (del. pulz = 56 u/min) in premik med razkladanjem (del. pulz = 53 u/min). Obremenitve z ropotom v osemurnem delavniku (LAeq.kor. = 77,0 dB(A), LCpeak = 126,7 dB(C)) so bile pod dopustnimi mejami. Nasprotno RMS in VDV obremenitve s tresenjem celega telesa (RMS Y = 0,62 m/s2, VDV Y = 14,25 m/s1,75) presegajo opozorilno vrednost dnevne izpostavljenosti. Voznik je z ropotom in tresenjem najbolj obremenjen pri nakladanju in razkladanju lesa ter pri vožnji po makadamu. S povečevanjem prevozne razdalje se obremenitve voznika gozdarskega kamiona z ropotom in tresenjem zmanjšujejo. Za varovanje zdravja in preprečitev poklicnih bolezni in poškodb je pri voznikih gozdarskega kamiona potrebno zmanjšati težavnost dela ter obremenitve s tresenjem v procesu nakladanja in razkladanja lesa.

Language:Slovenian
Keywords:težavnost dela, obremenitve, ropot, tresenje, gozdarstvo, prevoz lesa
Work type:Master's thesis/paper (mb22)
Tipology:2.09 - Master's Thesis
Organization:BF - Biotechnical Faculty
Year:2016
Publisher:[T. Žmuc]
Number of pages:VIII, 71 str.
UDC:630*301+630*375.5(043.2)=163.6
COBISS.SI-ID:4456358 Link is opened in a new window
Views:127
Downloads:49
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Secondary language

Language:English
Title:Workload and exposure to whole-body vibration and noise of driver transporting timber with forestry truck MAN 28.480 TGS
Abstract:
The Master Thesis is detecting the rate of physical workload as well as the noise exposure and whole-body vibration of driver transporting timber in forestry truck in order to compare the results with the acceptable level as laid down in EU and Slovenian legislation. The recordings took place during transportation of timber with the new forestry truck MAN 28.480 TGS, ten recording days for the purpose of recognising the basic structure of working hours as well as physical workload and one day for the purpose of recognising the exposure to noise and whole-body vibration. The results showed that physical workload of the truck driver is too hight, because the working pulse (HRw) with 43 beats/min is above the internationally agreed level. Furthermore, the physical workload is increasing during working hours. The highest rate of workload was measured during operations of moving the truck while loading (HRw = 56 beats/min) and unloading (HRw = 53 beats/min). The noise exposure in eight working hours (LAeq.kor = 77,0 dB(A), LCpeak = 126,7 dB(C)) was below the acceptable level. On the other hand, RMS values and VDV values of exposure to the whole-body vibration (RMS Y = 0,62 m/s2, VDV Y = 14,25 m/s1,75) exceeded the action value of daily exposure. The driver is most burdened with the noise exposure and whole-body vibration while loading and unloading cargo as well as while driving on macadam road. The longer is the distance travelled the more is exposure to noise and whole-body vibration of forestry truck driver decreasing. In order to protect health and to prevent occupational diseases and injuries the physical workload and exposure to the whole-body vibration of the forestry truck driver should be reduced in the process of loading and unloading.


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