Rihko Haarlaa 
Maaston vaikutuksesta metsäteiden rakennukseen.
Haarlaa R. (1973). Maaston vaikutuksesta metsäteiden rakennukseen. Silva Fennica vol. 7 no. 4 article id 4890. https://doi.org/10.14214/sf.a14728
English title: Effect of terrain on forest road constructionAbstract
As a subproblem in the joint Nordic Terrain-Machine Project the requirements set by forest road construction on the terrain classifications were studied during the summer 1973 in ten operations, in which either a bulldozer or an excavator method was used.
The most important terrain factors of the ground factors affecting the construction time of the road base were the so-called depth index and the moisture content of the soil, and in addition to these the amount of stumps as a ground roughness factor. These variables explained, however, only a rather minor part of the wide variation in the construction output of the practical operations.
The PDF includes a summary in English.
Original keywords
tienrakennus;
metsätiet;
maastoluokitus;
ajanmenekki;
maastotekijät;
kantoisuus;
maan kosteus
English keywords
time consumption;
road construction;
forest roads;
terrain classification;
terrain factors
Published in 1973
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Available at https://doi.org/10.14214/sf.a14728 | Download PDF
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