弹性波层析成像技术检测活立木腐朽

被引:17
作者
梁善庆 [1 ]
王喜平 [2 ]
蔡智勇 [2 ]
Robert JRoss [2 ]
RBruce Allison [3 ]
傅峰 [1 ]
机构
[1] 中国林业科学研究院木材工业研究所
[2] 美国农业部林务局林产品实验室
[3] 美国威斯康星州艾里森树木保护中心
关键词
弹性波层析成像技术; 无损检测; 活立木; 腐朽;
D O I
暂无
中图分类号
P631 [地球物理勘探];
学科分类号
0818 ; 081801 ; 081802 ;
摘要
介绍弹性波层析成像技术应用于活立木内部缺陷检测的研究现状,阐述弹性波的产生、传播途径和成像原理,总结该技术在应用中出现的问题。并使用弹性波层析成像技术对美国林务局纳西比特营地脂松活立木进行检测。结果表明:弹性波层析成像技术能够模拟出不规则树干形状并以二维图像方式直观地显示立木腐朽部位、程度、大小及形状等情况。基于此方法发展的设备,具有检测方便、有效、实用性强等特点。
引用
收藏
页码:109 / 114
页数:6
相关论文
共 16 条
[1]  
Nondestructive evaluationof incipient decayin hardwoodlogs. Wang XP,Wiedenbeck J,Ross RJ,et al. Gen Tech Rep FPL-GTR-162 . 2005
[2]  
Picus sonic tomography for the quantification of decay in white oak(Quercus alba)and hickory(Caryaspp.). Glibert E A,Smiley E T. Journal ofArboriculture . 2004
[3]  
Acoustic tomography for decay detection in red oak trees. Wang XP,Allison R B,Wang L,et al. Gen Tech Rep FPL-GTR-xxx . 2007
[4]  
Tree evaluation by acoustic tomography. Divos F,Szalai L. Proceedings of the13thInternational Symposiumon Nondestructive Testing of Wood . 2002
[5]  
Assessment of decayin standingtimber using stress wave timing nondestructive evaluationtools—Aguide for use andinterpretation. Wang XP,Divos F,Divos C,et al. Gen Tech Rep FPL-GTR-147 . 2004
[6]  
Resolutionof stress wave based acoustictomography. Divos F,Divos P. Proceedings of the14thInternational Symposiumon Nondestructive Testingof Wood . 2005
[7]  
The bodylanguage of trees Ahandbookfor failure analysis. Mattheck C,Breloer H. Ahandbookfor failure analysis . 1994
[8]  
Application of nonlinear acoustic tomography for nondestructive testing of trees. Maurer HR,Schubert S I,Bachle F,et al. Proceedings of the14thInternational Symposiumon Nondestructive Testing of Wood . 2005
[9]  
Nondestructive detection of decayin spruces using acoustic signals:evaluation of circumferential modes. Axmon J,Hansson M. Signal Processing ReportSPR- 45 . 1999
[10]  
Lowcurrent tomography for tree stability assessment. Comino E R,Martinis G,Sambuelli NL,et al. Internationalsymposiumon plant healthin urban horticulture . 2000