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Estimation of Stresses in Concrete by Using Coda Wave Interferometry to Establish an Acoustoelastic Modulus Database.
Zhan, Hanyu; Jiang, Hanwan; Zhuang, Chenxu; Zhang, Jinquan; Jiang, Ruinian.
Afiliação
  • Zhan H; Klipsch School of Electrical and Computer Engineering, New Mexico State University, Las Cruces, NM 88003, USA.
  • Jiang H; Department of Civil Engineering, University of Wisconsin-Platteville, Platteville, WI 53818, USA.
  • Zhuang C; Technology and Surveying Engineering, New Mexico State University, Las Cruces, NM 88001, USA.
  • Zhang J; Research Institute of Highway, Ministry of Transport, Beijing 100088, China.
  • Jiang R; Technology and Surveying Engineering, New Mexico State University, Las Cruces, NM 88001, USA.
Sensors (Basel) ; 20(14)2020 Jul 20.
Article em En | MEDLINE | ID: mdl-32698520
This article presents an experimental study of estimating stresses in concrete by applications of coda wave interferometry to establish an acoustoelastic modulus database. Under well-controlled laboratory conditions, uniaxial load cycles were performed on three groups of 15 × 15 × 35-cm concrete prisms, with ultrasonic signals being collected continuously. Then, the coda wave interferometry technique, together with acoustoelastic and Kaiser theories, are utilized to analyze the stress-velocity relations for the distinct ranges before and after historical maximum loads, forming an acoustoelastic modulus database. When applied to different concrete samples, their stresses are estimated with a high degree of accuracy. This study could be used to promote the development of novel nondestructive techniques that aid in structural stress monitoring.
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Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article