Study on the Distribution Pattern of Growth Stress of Masson Pine (Pinus massoniana Lamb.) with Different Trunk Shape
Introduction The term growth stress has come to be used when referring to mechanical stresses and strains which originate in the cambial layers of woody stems of a wide variety of tree species (Archer, 1986; Boyd, 1950; Sasaki, 1978). Although the growth, stresses and residual stresses are useful for the growth of trees, they are also an important source of defects for wood utilizations. As soon as trees are fallen down, the redistributed residual growth stresses often causes heart checks in the butt of felled trees and checked and split boards when it was sawn. Even if this effect is not so severe, it is difficult to produce straight lumber when sawing because of crooking or warping (Yang, 2002). Masson pine is one of most important local plantation species in China, especially in southeastern area. High degree of growth stress and uneven distribution of growth stress had been reported, and the induced loss in wood processing also was noticed by local sawn industry.
Shengquan Liu Liang Zhou Zuoping Shao Shuhua Ke
School of Forestry & Landscape Architecture, Anhui Agricultural University, Hefei, China
国际会议
International Symposium on Wood Science and Technology(IAWPS 2008)(国际木材产品学会联合会2008学术研讨会)
哈尔滨
英文
153-154
2008-09-27（万方平台首次上网日期，不代表论文的发表时间）