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Matti Kärkkäinen

Kuorinnan vaikutus pinon tiiviyteen.

Kärkkäinen M. (1978). Kuorinnan vaikutus pinon tiiviyteen. Silva Fennica vol. 12 no. 3 article id 5005. https://doi.org/10.14214/sf.a14859

English title: The effect of barking on the pile density.

Abstract

According to the available literature, the times when pulpwood limbing was made by axe and barking by hand tools, barking either had no effect on the pile density (if limbing quality was good) or increased pile density (if limbing was bad). When rotary barking machines are used, the branch stumps remain intact during barking. Therefore, if there are branch stumps in the pulpwood, barking decreases the pile density. Nowadays, when power saw limbing is a common practice in Finland, barking presumably greatly decreases the pile density, due to the fact that in power saw limbing branch stumps are numerous and high. Therefore, the method to estimate the solid volume of a pile of unbarked pulpwood are not applicable to barked pulpwood without modification.

The PDF includes a summary in English.

Original keywords
kuitupuun mittaus; pinomittaus; kuorinta; kiintotilavuus; karsinta; moottorisahakarsinta; koneellistuminen

English keywords
pulpwood; limbing; pile density; measuring of piled wood; solid volume; debarking; mechanization

Published in 1978

Available at https://doi.org/10.14214/sf.a14859 | Download PDF

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