I. Lassila 
Suunnitelma Suomen lauttausväylillä uitetun puun uppoamisen tutkimisesta
Lassila I. (1931). Suunnitelma Suomen lauttausväylillä uitetun puun uppoamisen tutkimisesta. Silva Fennica no. 19 article id 4460. https://doi.org/10.14214/sf.a9001
English title: Research proposal for studies on sinking of logs in the floating channels of FinlandAbstract
Majority of the timber floated in Finland has been floated loose. Repair of the floating channels in the end of 1800s decreased the amount of sunken logs and loss of timber during the transportation. The increase of floating of pulpwood and other small timber has later increased the number of sunken logs. More information is needed on the amount and quality of floated timber, also the floating channels should be classified. A detailed study plan to investigate how big proportion of the timber is lost during floating, which factors influence the sinking of timber, and how the timber dries in the forest depots is presented. A classification of timber by its floatability is presented.
The PDF includes a summary in German.
Original keywords
puun ominaisuudet;
puutavara;
tiheys;
uitto;
veden imeytyminen
English keywords
floating;
sinking of logs;
floating channel;
wastage of timber
Published in 1931
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