Evaluating damage to reinforced concrete during mechanical compression and bending tests / D. D. Dann [et al.]
Уровень набора: ARPN Journal of Engineering and Applied Sciences = 2006-Язык: английский.Страна: .Резюме или реферат: The article proposes a method for evaluating damage to reinforced concrete subjected to uniaxial compression andfour-point bending. The method is based on measuring and analyzing the parameters of electric and acoustic emissions andelectric response to impact. It is established that the main signs marking the start of the cracking process are: theappearance of high-amplitude acoustic and electromagnetic emission signals changes in the spectral composition of theelectrical signal, and the increased attenuation coefficient of the electric response's energy. Continuous or recurrentmonitoring can be used to assess deterioration processes in reinforced concrete subjected to mechanical stress..Примечания о наличии в документе библиографии/указателя: [References: р. 6144-6145 (22 tit.)].Тематика: электронный ресурс | труды учёных ТПУ | non-destructive testing | acoustic | electromagnetic emission | electric response to impact | reinforced concrete | mechanicaltesting | неразрушающие испытания | неразрушающий контроль | железобетон | электромагнитное излучение | акустическое излучение Ресурсы он-лайн:Щелкните здесь для доступа в онлайнTitle screen
[References: р. 6144-6145 (22 tit.)]
The article proposes a method for evaluating damage to reinforced concrete subjected to uniaxial compression andfour-point bending. The method is based on measuring and analyzing the parameters of electric and acoustic emissions andelectric response to impact. It is established that the main signs marking the start of the cracking process are: theappearance of high-amplitude acoustic and electromagnetic emission signals changes in the spectral composition of theelectrical signal, and the increased attenuation coefficient of the electric response's energy. Continuous or recurrentmonitoring can be used to assess deterioration processes in reinforced concrete subjected to mechanical stress.
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