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LIU Xiao-guang, JI Xiao-dong, ZHAO Hong-hua, CHEN Li-hua, MA Lei. Tribological properties between roots of Pinus tabuliformis and soil[J]. Journal of Beijing Forestry University, 2012, 34(6): 63-67.
Citation: LIU Xiao-guang, JI Xiao-dong, ZHAO Hong-hua, CHEN Li-hua, MA Lei. Tribological properties between roots of Pinus tabuliformis and soil[J]. Journal of Beijing Forestry University, 2012, 34(6): 63-67.

Tribological properties between roots of Pinus tabuliformis and soil

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  • Received Date: December 31, 1899
  • Revised Date: December 31, 1899
  • Published Date: November 29, 2012
  • In order to explore the friction performance between tree roots and soil, the direct pulling out test of single root for Pinus tabuliformis was carried out by implementing pull out load under certain moisture content and dry density of soil. And the effects of root burial depth and loading rate on drawing process and rootsoil friction were discussed. The study showed that root system was of obvious stage properties during the pulling out process; in the case of different burial depths and varied loading rates, there was a power function relationship between root soil friction and root diameter; also, both rootsoil friction and the largest displacement where the greatest friction occurring increased with the increase of root burial depth and loading rate.
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