Wire breaking localization of parallel steel wire bundle using acoustic emission tests and finite element analysis

被引：22

作者：

Li, Shengli ^{[1
,2
]}

Liu, Zhenwen ^{[1
,2
]}

Xia, Lianxue ^{[3
]}

Wang, Yong ^{[3
]}

Feng, Hu ^{[1
]}

机构：

[1] Zhengzhou Univ, Sch Civil Engn, Zhengzhou 450001, Peoples R China

[2] Zhengzhou Univ Ind Technol, Zhengzhou, Peoples R China

[3] Henan Commun Vocat Technol Coll, Zhengzhou, Peoples R China

来源：

STRUCTURAL CONTROL & HEALTH MONITORING | 2021年 / 28卷 / 03期

基金：

中国国家自然科学基金;

关键词：

AE; COMSOL; localization; parallel steel wire bundle; DAMAGE IDENTIFICATION; BRIDGE CABLES;

D O I：

10.1002/stc.2681

中图分类号：

TU [建筑科学];

学科分类号：

0813 ;

摘要：

The precise localization of cable damage is a major issue in bridge engineering. The acoustic emission (AE) method has been applied to detect defects for cable structures in bridges. In this paper, an AE localization method is proposed to localize both lateral and longitudinal positions of defects in a parallel steel wire bundle composed of seven steel wires. The proposed method is verified numerically and experimentally. Tension failure test of the parallel steel wire bundle composed of seven wires was carried out, and the precise localization of defects was realized by through modal AE techniques and the analysis of the characteristics of AE signal. A Multiphysics model based on COMSOL was established to facilitate the visualization of stimulated AE propagated in the parallel wire bundle. The propagation mechanism of AE signal was studied, and the feasibility of localization method was verified.

引用

页数：18

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