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Author  |
Chalioris, C.E.; A. Papadopoulos, N.; Sapidis, G.; C. Naoum, M.; Golias, E. |
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Title |
EMA-based Monitoring Method of Strengthened Beam-Column Joints |
Type |
Conference Article |
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Year |
2023 |
Publication |
Proceedings of the 20th International ISCRAM Conference |
Abbreviated Journal |
Iscram 2023 |
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Volume |
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Pages |
853-873 |
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Keywords |
Structural Health Monitoring (SHM); Beam-Column Joint (BCJ); Carbon Fiber-Reinforced Polymer (C-FRP) Ropes; Hierarchical Clustering; Piezoelectric Lead Zirconate Titanate (PZT) Transducers. |
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Abstract |
Reinforced concrete (RC) beam-column joints (BCJ) are crucial structural components, primarily during seismic excitations, so their structural health monitoring (SHM) is essential. Additionally, BCJ of existing old RC frame structures usually exhibits brittle behavior due to insufficient transverse reinforcement. To alter the brittle behavior of BCJ, an innovative reinforcing technique has been employed, accompanied by a real-time SHM system. Carbon fiber-reinforced polymer (C-FRP) rope as near surface-mounted (NSM) reinforcement has been utilized as external reinforcement of the column and the joint panel. The use of piezoelectric lead zirconate titanate (PZT) transducers for real-time SHM of BCJ sub-assemblages was investigated. Statistical damage indices, such as RMSD and MAPD, were employed to quantify the damage. Furthermore, an innovative approach based on hierarchical clustering was introduced. The experiment results revealed that the damage level of the reference and the retrofitted specimens were successfully diagnosed with PZT transducers. |
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Address |
Democritus University of Thrace; Democritus University of Thrace; Democritus University of Thrace; Democritus University of Thrace; Democritus University of Thrace |
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Publisher |
University of Nebraska at Omaha |
Place of Publication |
Omaha, USA |
Editor |
Jaziar Radianti; Ioannis Dokas; Nicolas Lalone; Deepak Khazanchi |
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Language |
English |
Summary Language |
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Original Title |
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Series Editor |
Hosssein Baharmand |
Series Title |
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Abbreviated Series Title |
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Series Volume |
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Series Issue |
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Edition |
1 |
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ISSN |
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ISBN |
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Medium |
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Track |
Infrastructure Health Monitoring During Crises and Disaster |
Expedition |
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Conference |
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Notes |
http://dx.doi.org/10.59297/PEEC4879 |
Approved |
no |
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Call Number |
ISCRAM @ idladmin @ |
Serial |
2571 |
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