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单板条层积材力学性能的预测模型(PDF)

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

Issue:
2012年04期
Page:
119-122
Column:
单板条层积材力学性质预测研究专栏
publishdate:
2012-07-31

Article Info:/Info

Title:
Prediction model of mechanical properties of parallel strand lumber
Author(s):
LU Xiaoning WANG Shijian SONG Mingxin NA Bin WANG Zhiqiang
College of Wood Science and Technology,Nanjing Forestry University, Nanjing 210037,China
Keywords:
parallel strand lumber model of mechanical properties geometric model elasticity energy principle
Classification number :
TS612.1
DOI:
10.3969/j.jssn.1000-2006.2012.04.025
Document Code:
A
Abstract:
Based on the elasticity energy principle, the mechanical model of parallel strand lumber was established to forecast the strength of materials. The one-way thin-layer composite material was pressed to verify the correctness of the energy principle predicting scope. The results show that this model can give a high precision of prediction compared with other geometric models. The prediction range has a high precision, especially when the hot pressing is lower than 5 MPa based on the elasticity energy principle. Because of short horizontal lap, the MOE perpendicular to grain was lower than the floor level of prediction range. But in the actual production, this situation hardly existed. The prediction of MOE parallel to grain and aspect shear modulus were well fitted with the testing result.

References

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Last Update: 2012-07-07