Nondestructive monitoring of subsurface damage progression in concrete columns damaged by earthquake loading
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- 作者：Katelyn Freesemana ; weile068@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Lev Khazanovicha ; Khaza001@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Kyle Hoegha ; hoeg0021@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Alireza Nojavana ; nojav002@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Arturo E. Schultza ; schul088@umn.edu" class="auth_mail" title="E-mail the corresponding author ; Shih-Ho Chaob ; shchao@uta.edu" class="auth_mail" title="E-mail the corresponding author
- 关键词：Nondestructive testing ; Ultrasound ; Reinforced concrete ; Column ; Earthquake loading ; Health monitoring ; One-sided access
- 刊名：Engineering Structures
- 出版年：2016
- 出版时间：1 May 2016
- 年：2016
- 卷：114
- 期：Complete
- 页码：148-157
- 全文大小：4089 K
文摘
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A full-scale RC column was subjected to simulated earthquake loading.
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Testing was supplemented using a shear wave ultrasound array system.
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Reflectivity reconstructions showed damage before it was visible at the surface.
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Quantitative characteristics were developed to assess damage progression.
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The proposed method is nondestructive and requires only one-sided access.