Results 1 to 10 of about 3,098 (182)

Influence of Axial Load on Electromechanical Impedance (EMI) of Embedded Piezoceramic Transducers in Steel Fiber Concrete [PDF]

open access: yesSensors, 2018
With the advantages of high tensile, bending, and shear strength, steel fiber concrete structures have been widely used in civil engineering. The health monitoring of concrete structures, including steel fiber concrete structures, receives increasing ...
Zhijie Wang   +4 more
doaj   +7 more sources

Damage Detection Performance of the Electromechanical Impedance (EMI) Technique with Various Attachment Methods on Glass Fibre Composite Plates [PDF]

open access: yesSensors, 2019
Composite materials such as glass and carbon fibre composites have become popular and the preferred choice in various applications due to their many advantages such as corrosion resistance, design flexibility, high strength and light weight.
Rudy Tawie   +3 more
doaj   +7 more sources

Structural Health Monitoring of Timber Using Electromechanical Impedance (EMI) Technique [PDF]

open access: yesAdvances in Civil Engineering, 2020
Nowadays, the electromechanical impedance method has been widely used in the field of structural healthy monitoring, especially for the concrete and steel materials.
Fang Han   +4 more
doaj   +2 more sources

Electromechanical Impedance Sensing Under Humid Conditions: Experimental Insights and Compensation Using Machine Learning [PDF]

open access: yesSensors
This work investigates the effect of ambient humidity on the Electromechanical Impedance (EMI) signatures of steel-reinforced concrete (RC) for structural health monitoring (SHM). The influence of varying relative humidity (%RH) is quantified using three
Mads Kofod Dahl   +4 more
doaj   +2 more sources

Integrating the Capsule-like Smart Aggregate-Based EMI Technique with Deep Learning for Stress Assessment in Concrete [PDF]

open access: yesSensors
This study presents a concrete stress monitoring method utilizing 1D CNN deep learning of raw electromechanical impedance (EMI) signals measured with a capsule-like smart aggregate (CSA) sensor.
Quoc-Bao Ta   +3 more
doaj   +2 more sources

Structural Damage Detection Using PZT Transmission Line Circuit Model [PDF]

open access: yesSensors
Arrangements of piezoelectric transducers, such as PZT (lead zirconate titanate), have been widely used in numerous structural health monitoring (SHM) applications.
Jozue Vieira Filho   +4 more
doaj   +2 more sources

Sandwich Face Layer Debonding Detection and Size Estimation by Machine-Learning-Based Evaluation of Electromechanical Impedance Measurements [PDF]

open access: yesSensors, 2023
The present research proposes a two-step physics- and machine-learning(ML)-based electromechanical impedance (EMI) measurement data evaluation approach for sandwich face layer debonding detection and size estimation in structural health monitoring (SHM ...
Christoph Kralovec   +3 more
doaj   +2 more sources

A PCA-Based Approach for Very Early-Age Hydration Monitoring of Self-Compacting Concrete Using Embedded PZT Sensors [PDF]

open access: yesSensors, 2023
This work proposed a novel approach based on principal component analyses (PCAs) to monitor the very early-age hydration of self-compacting concrete (SCC) with varying replacement ratios of fly ash (FA) to cement at 0%, 15%, 30%, 45%, and 60 ...
Qunfeng Liu   +4 more
doaj   +2 more sources

Smart monitoring of composite concrete damage using EMI technique with temperature effects compensation and ANN integration [PDF]

open access: yesScientific Reports
The composite materials are widely used across industries however, these materials are prone to damages like cracking and delamination due to its complexity.
Maheshwari Sonker, Rama Shanker
doaj   +2 more sources

A Deep Learning Approach for Autonomous Compression Damage Identification in Fiber-Reinforced Concrete Using Piezoelectric Lead Zirconate Titanate Transducers [PDF]

open access: yesSensors
Effective damage identification is paramount to evaluating safety conditions and preventing catastrophic failures of concrete structures. Although various methods have been introduced in the literature, developing robust and reliable structural health ...
George M. Sapidis   +4 more
doaj   +2 more sources

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