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About cedar pine treeAbout cedar pine tree When it comes to cedar, we are faced with the contradiction arising between thescientific and botanical classification of the common names of rocks. The officialsources are referred to as cedar species of the genus cedrus, which, although part of the family Pinaceae, but considered to be close "relatives" storeniyu larch shoots (otechsetvennaya classification) or fir - mainly on the structure of the cones(European classification).
The largest forest area in Russia engaged in a Siberian cedar pine or Siberian cedar. This tree reaches vyosty 40 m, diameter of the barrel - 1.5-2 meters. A tree grows slowly, lives 300-350 years, some individuals - 700-800 years. Еhis kind circulated of almost the entire western Siberia, the Altai Mountains, in Eastern Siberia,the Yenisei River, is found in Zabaykayle. Physical and mechanical properties
The average humidity in the Siberian cedar freshly cut, is 109%. Maximum humiditywater absorption - 220%. Along with spruce and fir, cedar has the highest value of the acoustic constant, which allows uspeshnl use it for making musical instruments. Impact strength (average value) of Siberian cedar wood - 0.62 J/cm2 (for comparison: Pine - 0.73, larch - 0.9). Durability (abrasion), mm: Radial - 0.28 (pine - 0.31, larch - 0.17); tangential - 0.26 (pine - 0.28, larch - 0.14); transverse - 0.25 (pine - 0.12; larch - 0.07). Siberian cedar wood is soft, lightweight, easily handled in all directions. On physical and mechanical properties is intermediate between the wood of spruce and fir, butexceeds them by resistance to decay. Ability to retain attachment by 15-20% worse than the pine. |
| 04 Mar 2012 |
Wood as a material
... All things in the world for strength and stability are endowed by their weight, their number, their structure and measure, so they can be used to manage them in all fairness and reasonableness.
Giordano Bruno
| 10 Jan 2012 |
About larch
Larch forest area ranks first in Russia. They make up over 40% of the total forested area, and they are concentrated 33% of our entire stock of wood.
| 07 Dec 2011 |
About cedar pine tree
When it comes to cedar, we are faced with the contradiction arising between the scientific and botanical classification of the common names of rocks.
| 07 Dec 2011 |
Winter tree
Winter tree
The most desirable New Year's tree in the house - abies, which publishes soft andtart flavor of a particular fir. Needles of it, even dried, not fall off.
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