...
首页> 外文期刊>Holz als Roh- und Werkstoff >Modelling mechanical properties of spruce and Douglas fir timber by means of X-ray and grain angle measurements for strength grading purpose
【24h】

Modelling mechanical properties of spruce and Douglas fir timber by means of X-ray and grain angle measurements for strength grading purpose

机译:通过X射线和木纹角度测量对云杉和花旗松木材的力学性能进行建模,以达到强度分级的目的

获取原文
获取原文并翻译 | 示例
           

摘要

This study proposes a model using data from a scanner (X-ray and grain angle measurements) to perform strength grading. The research also includes global measurements of modulus of elasticity (obtained by vibrations and ultrasound methods), static bending stiffness and bending strength of 805 boards of Douglas fir and 437 boards of spruce. This model can be used in an industrial context since it requires low computational time. The results of this study show that the developed model gives better results than the global non-destructive measurements of the elastic modulus commonly used in the industry. It also shows that this improvement is particularly higher in the case of Douglas fir than for spruce. The comparison has been made on both the quality of the mechanical properties assessment and on the improvement of the grading process according to the European standards by using different index.
机译:这项研究提出了一个模型,该模型使用来自扫描仪的数据(X射线和晶粒角度测量)来进行强度分级。该研究还包括对弹性模量(通过振动和超声方法获得),805个道格拉斯冷杉板和437个云杉板的静态弯曲刚度和弯曲强度的整体测量。由于该模型需要较少的计算时间,因此可以在工业环境中使用。这项研究的结果表明,与行业中常用的弹性模量的全局无损测量相比,开发的模型给出了更好的结果。这也表明,花旗松的这种改善比云杉的改善尤其高。根据欧洲标准,通过使用不同的指标,对机械性能评估的质量和分级工艺的改进进行了比较。

著录项

  • 来源
    《Holz als Roh- und Werkstoff》 |2017年第4期|527-541|共15页
  • 作者单位

    Univ Lorraine, ENSTIB LERMAB, 27 Rue Philippe SEGUIN,BP 1041, F-88051 Epinal 9, France;

    Res Ctr Nancy, LERFOB, UMR INRA ENGREF, F-54280 Champenoux, France;

    Univ Lorraine, ENSTIB LERMAB, 27 Rue Philippe SEGUIN,BP 1041, F-88051 Epinal 9, France;

    Arts & Metiers ParisTech, Grp Mat & Usinage Bois, LaBoMaP, Rue Porte Paris, F-71250 Cluny, France;

    Univ Lorraine, ENSTIB LERMAB, 27 Rue Philippe SEGUIN,BP 1041, F-88051 Epinal 9, France;

    FCBA, Allee Boutaut, F-33000 Bordeaux, France;

  • 收录信息 美国《科学引文索引》(SCI);美国《工程索引》(EI);
  • 原文格式 PDF
  • 正文语种 eng
  • 中图分类
  • 关键词

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱:kefu@zhangqiaokeyan.com

京公网安备:11010802029741号 ICP备案号:京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有
  • 客服微信

  • 服务号