Damage mechanisms interpreted by acoustic emission signal analysis

被引：13

作者：

Carpinteri, A. ^{[1
]}

Lacidogna, G. ^{[1
]}

Manuello, A. ^{[1
]}

机构：

[1] Politecn Torino, Dept Struct Engn & Geotech, Cso Duca Abruzzi 24, I-10129 Turin, Italy

来源：

DAMAGE ASSESSMENT OF STRUCTURES VII | 2007年 / 347卷

关键词：

acoustic emission; damage localization; critical phenomena; experimental tests;

D O I：

10.4028/www.scientific.net/KEM.347.577

中图分类号：

O42 [声学];

学科分类号：

070206 ; 082403 ;

摘要：

Acoustic emissions (AE) are ultrasonic waves generated by the rapid release of energy from discontinuities or cracks spreading in materials subject to a stress and strain field. By identifying the complete shape of the signals and taking into account a larger quantity of data, it becomes possible to ascertain the three-dimensional location of damage sources from AE sensor records. In this connection, the authors have fine-tuned an original procedure that uses seismic analysis techniques, such as the moment-tensor solution. The experimental program consisted of tests conducted in situ on masonry walls of historical buildings.

引用

页码：577 / +

页数：2

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