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Issue 7 (3) 2008 pp. 37-45

Włodzimierz Stempski

WORKER’S PHYSICAL LOAD WHEN HARVESTING LOGS ON CLEAR CUTS

Keywords: timber harvesting, energy expenditure, static effort
Abstract: The aim of the study was to investigate the energy expenditure and static load of a worker during harvesting wood in pine stand clear cuttings. The performed experiments involved two technological treatments in which timber was harvested either in the form of large-size logs or medium-size rollers and blocks. The above variants differed with regard to the spatial order on the felling area (organised and unorganised felling). The energy expenditure was determined on the basis of measurements of lung ventilation, while static load – using the OWAS method. The obtained net unit energy expenditures were similar in both variants and reached 30 kJ/min and exceeded the limiting value of the so-called durable efficiency of the organism. With regard to the static loading, in each variant, the worker was found to be loaded moderately.
pub/.pdf Full text available in english in Adobe Acrobat format:
http://www.forestry.actapol.net/pub/4_3_2008.pdf

For citation:

MLA Stempski, Włodzimierz. "Worker’s physical load when harvesting logs on clear cuts." Acta Sci.Pol. Silv. 7.3 (2008): 37-45.
APA Stempski W. (2008). Worker’s physical load when harvesting logs on clear cuts. Acta Sci.Pol. Silv. 7 (3), 37-45
ISO 690 STEMPSKI, Włodzimierz. Worker’s physical load when harvesting logs on clear cuts. Acta Sci.Pol. Silv., 2008, 7.3: 37-45.
Streszczenie w języku polskim:
http://www.forestry.actapol.net/tom7/zeszyt3/streszczenie-4.html