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白梧桐木材纵向抗弯弹性模量的预测模型(PDF)

《南京林业大学学报(自然科学版)》[ISSN:1000-2006/CN:32-1161/S]

Issue:
2014年03期
Page:
109-114
Column:
研究论文
publishdate:
2014-05-15

Article Info:/Info

Title:
Modeling the modulus of elasticity of Triplochiton scleroxylon
Article ID:
1000-2006(2014)03-0109-06
Author(s):
ZHAN Tianyi12 YUE Lei2 SUN Ling2 LU Xiaoning2*
1.Research Institute of Wood Industry, Chinese Academy of Forestry, Beijing 100091, China;
2.College of Materials Science and Engineering, Nanjing Forestry University, Nanjing 210037, China
Keywords:
Triplochiton scleroxylon mechanics model mechanics of composites modulus of elasticity
Classification number :
S781.81
DOI:
10.3969/j.issn.1000-2006.2014.03.021
Document Code:
A
Abstract:
A prediction model by mechanics of composite material and classical laminated plate theory with its mechanical property was found and validated based on the hypothesis of simplification and uniformization of the wood structure of Triplochiton scleroxylon. Modulus of elasticity(MOE)was varified and it showed that two dimension proposals of element cell could totally representation element cell of T.scleroxylon and its cell wall percentage. The model based on mechanics of composites was precise enough to aim at theoretical MOE,and its relative error was less than 10% with both two dimension proposals compared with realistic MOE. It was feasible to simplify T.scleroxylon structure by laminated plates. In this theory, laminated plate structure could be used in other hardwood species.

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Last Update: 2014-05-15