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

页码：518 / 523

页数：6

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