Vibration-Based Nondestructive Damage Detection for Concrete Plates

Pourrastegar, Azita; Marzouk, H.

doi:10.14359/51732993

Cited by 1 publication

(1 citation statement)

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“…Only methods that use an electromagnetic and mechanical wave can be effectively used for direct reinforcement assessment. The following methods can be distinguished in the mechanical group: high-frequency, active ultrasonic testing methods [ 3 , 4 , 5 ]; low-frequency-active mechanical methods [ 3 , 6 ], and passive-acoustic emission (AE) [ 7 ].…”

Section: Introductionmentioning

confidence: 99%

Impact of Magnetization on the Evaluation of Reinforced Concrete Structures Using DC Magnetic Methods

Frankowski

Chady

2022

Materials

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The magnetic method is the most promising method that can be used to inspect large areas of reinforced concrete (RC) structures. Magnetization is a crucial process in this method. The paper aims to present the impact of the magnetization method on the results in the detection of reinforced bars (rebars) and the evaluation of concrete cover thickness in reinforced concrete (RC) structures. Three cases (without magnetization, same pole magnetization, and opposite pole magnetization) were considered in the experiments. Results achieved in all the methods are presented and evaluated. Two different sensing elements were used in the measurements: a magneto-optical (MO) sensor and an AMR sensor. The advantages and disadvantages of both mentioned transducers are presented and discussed in the context of a large areas inspection. The new approach involves using various magnetization methods to improve measurement results for complex structures.

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