Current issue: 58(1)

Under compilation: 58(2)

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Silva Fennica 1926-1997
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1980-1989
1970-1979
1960-1969
Acta Forestalia Fennica
1953-1968
1933-1952
1913-1932

Articles containing the keyword 'piled wood'

Category : Article

article id 5005, category Article
Matti Kärkkäinen. (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.
Original keywords: koneellistuminen; karsinta; kiintotilavuus; kuitupuun mittaus; pinomittaus; kuorinta; moottorisahakarsinta
English keywords: mechanization; pulpwood; limbing; pile density; measuring of piled wood; solid volume; debarking
Abstract | View details | Full text in PDF | Author Info

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.

  • Kärkkäinen, E-mail: mk@mm.unknown (email)

Category : Article

article id 7277, category Article
Einari Wuoti. (1933). Kuusipaperipuun kutistumisesta ja kutistumisen osuudesta pinon painumiseen. Acta Forestalia Fennica vol. 39 no. 6 article id 7277. https://doi.org/10.14214/aff.7277
English title: Studies on shrinkage of Norway spruce pulpwood and its effect on sinking of the stacks.
Original keywords: kuitupuu; puukauppa; pino; pinomitta
English keywords: pulpwood; stacked wood; stack; piled wood; measuring of stacked wood
Abstract | View details | Full text in PDF | Author Info

When the volume of the pulpwood was determined from the dimensions of the stack, the practice was to add an agreed percentage to the height of the stack which took account of the sinking of the stack as the wood dried. The stack was piled to the agreed added height, or the percentage was compensated when the stack was delivered to the buyer. The aim of the study was to determine a more accurate percentage to be used in the pulpwood sales.

The dimensions of a stack of Norway spruce (Picea abies (L.) H. Karst) pulpwood and the diameter of each log was measured during the drying. The 223 cm high pile sank by 0.8% to 221 cm, and the stacked cubic meter decreased from 4.46 m3 to 4.42 m3. However, the shrinkage of a solid cubic meter of the wood was 2.8%, markedly more than the sinking of the stack.

The PDF includes a summary in German.

  • Wuoti, E-mail: ew@mm.unknown (email)

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