Monitoring and predicting masonry's creep failure with the acoustic emission technique

被引：48
|
作者：
Verstrynge, Els [1 ]
Schueremans, Luc [1 ]
Van Gemert, Dionys [1 ]
Wevers, Martine [2 ]
机构：
[1] KULeuven, Dept Civil Engn, B-3001 Heverlee, Belgium
[2] KULeuven, Dept Met & Mat Engn, B-3001 Heverlee, Belgium
来源：
NDT & E INTERNATIONAL | 2009年 / 42卷 / 06期
关键词：
Damage accumulation; Acoustic emission; Masonry; Creep; DAMAGE;
D O I：
10.1016/j.ndteint.2009.03.001
中图分类号：
TB3 [工程材料学];
学科分类号：
0805 ; 080502 ;
摘要：
The applicability of the acoustic emission (AE) technique to detect unstable damage accumulation in masonry, subjected to the creep failure mode, is investigated during short- and long-term creep tests on masonry specimens. The damage accumulation is quantified using the results of the monitored AE event rates, which evolve as a bathtub-shaped curve during the last phase of the creep tests. The bathtub curves are described using the Weibull function and a relation is found between the detected AE event rate and the time to failure of the specimens. (c) 2009 Elsevier Ltd. All rights reserved.
引用
收藏
页码：518 / 523
页数：6
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