Cargando…

Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves

Grouted sleeves (GSs) are a type of precast joint that can effectively connect steel rebars with excellent performance. However, the grouting debonding problem, which can occur due to the leakage of the glue plug, can seriously affect the properties of GSs. In this paper, a guided-wave-based structu...

Descripción completa

Detalles Bibliográficos
Autores principales: Liu, Jiahe, Li, Dongsheng, Cui, Xiushi
Formato: Online Artículo Texto
Lenguaje:English
Publicado: MDPI 2023
Materias:
Acceso en línea:https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674864/
https://www.ncbi.nlm.nih.gov/pubmed/38005521
http://dx.doi.org/10.3390/s23229134
_version_ 1785140928861700096
author Liu, Jiahe
Li, Dongsheng
Cui, Xiushi
author_facet Liu, Jiahe
Li, Dongsheng
Cui, Xiushi
author_sort Liu, Jiahe
collection PubMed
description Grouted sleeves (GSs) are a type of precast joint that can effectively connect steel rebars with excellent performance. However, the grouting debonding problem, which can occur due to the leakage of the glue plug, can seriously affect the properties of GSs. In this paper, a guided-wave-based structural health monitoring (SHM) method is used to detect debonding in GSs. The axisymmetric longitudinal mode is selected as the incident wave since it is sensitive to axial damage. Eight piezoelectrics (PZTs) are then symmetrically installed to actuate signals. The proposed samples are GSs with four different debonding sizes. First, the relationship between the arrival time of the first wave packet and the debonding size is explored through theoretical derivation. The arrival time decreases linearly with an increasing debonding size. A similar trend is observed when the relationship is verified via a numerical simulation and experimental results. This method will provide a reference for detecting debonding in similar GS multilayer structures.
format Online
Article
Text
id pubmed-10674864
institution National Center for Biotechnology Information
language English
publishDate 2023
publisher MDPI
record_format MEDLINE/PubMed
spelling pubmed-106748642023-11-12 Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves Liu, Jiahe Li, Dongsheng Cui, Xiushi Sensors (Basel) Communication Grouted sleeves (GSs) are a type of precast joint that can effectively connect steel rebars with excellent performance. However, the grouting debonding problem, which can occur due to the leakage of the glue plug, can seriously affect the properties of GSs. In this paper, a guided-wave-based structural health monitoring (SHM) method is used to detect debonding in GSs. The axisymmetric longitudinal mode is selected as the incident wave since it is sensitive to axial damage. Eight piezoelectrics (PZTs) are then symmetrically installed to actuate signals. The proposed samples are GSs with four different debonding sizes. First, the relationship between the arrival time of the first wave packet and the debonding size is explored through theoretical derivation. The arrival time decreases linearly with an increasing debonding size. A similar trend is observed when the relationship is verified via a numerical simulation and experimental results. This method will provide a reference for detecting debonding in similar GS multilayer structures. MDPI 2023-11-12 /pmc/articles/PMC10674864/ /pubmed/38005521 http://dx.doi.org/10.3390/s23229134 Text en © 2023 by the authors. https://creativecommons.org/licenses/by/4.0/Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/).
spellingShingle Communication
Liu, Jiahe
Li, Dongsheng
Cui, Xiushi
Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title_full Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title_fullStr Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title_full_unstemmed Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title_short Debonding Detection in Grouted Sleeves Using Axisymmetric Longitudinal Guided Waves
title_sort debonding detection in grouted sleeves using axisymmetric longitudinal guided waves
topic Communication
url https://www.ncbi.nlm.nih.gov/pmc/articles/PMC10674864/
https://www.ncbi.nlm.nih.gov/pubmed/38005521
http://dx.doi.org/10.3390/s23229134
work_keys_str_mv AT liujiahe debondingdetectioningroutedsleevesusingaxisymmetriclongitudinalguidedwaves
AT lidongsheng debondingdetectioningroutedsleevesusingaxisymmetriclongitudinalguidedwaves
AT cuixiushi debondingdetectioningroutedsleevesusingaxisymmetriclongitudinalguidedwaves