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Wioletta Raczkiewicz and Artur Wójcicki
The electrochemical galvanostatic pulse method (GPM) is used for the evaluation of the degree of corrosion risk of reinforcement in concrete. This non-destructive method enables determining the corrosion promoting conditions through the measurements of r...
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Diana Lucia Giraldo Charria, Victor Nieto Rodríguez, Monica Bibiana Sarmiento Oviedo, Nuno Manuel Borralho Gonçalves
Pág. 181 - 192
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Norimitsu Okuyama, Kazufumi Nomura, Tomokazu Sano, Keiji Kadota, Seiya Nitta, Tetsuo Era and Satoru Asai
Blowholes caused by vaporization of the galvanized layer are a problem with galvanized steel sheets, which use lap joint welding. The laser ultrasonic method is the possible solution to realize the desirable 100% inspection instead of the conventional sa...
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Simon Cleven, Michael Raupach and Thomas Matschei
The in-situ measurement of the content and orientation of steel fibres in concrete structures is of great importance for the assessment of their specific mechanical properties, especially in the case of repair. For existing structures, the actual fibre c...
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Anna Knitter-Piatkowska and Arkadiusz Dobrzycki
This work concerns the concept and verification of the experimental possibility of using a wavelet transform to assess a steel structure?s condition. In the research, a developed measuring stand was used. Mechanical waves in the metal plate were excited ...
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Nataliia Peretiaka,Konstantin Boryak,Oleksandr Vatrenko
Pág. 118 - 126
An improved method of passive thermal control has been proposed in order to operatively assess the technical condition of rolling bearings, based on studying the heating rate of a bearing. The values of the heating rate of ball, roller, and conical rolli...
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Olha Baranova,Mykola Vasylenko,Konstantin Shevchenko,Yuriy Tsapko,Oliinyk Rostislav,Andrii Yeroshenko
Pág. 48 - 56
It has been determined that the most expedient and economically beneficial flaw detection method for plywood is the impact method. Samples of plywood with and without a defect were used for the research. Among the acoustic techniques, the most accurate i...
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Carlo Boursier Niutta, Andrea Tridello, Raffaele Ciardiello, Giovanni Belingardi and Davide Salvatore Paolino
In structural component applications the use of composite materials is increasing thanks to their optimal mechanical characteristics. However, the complexity of the damage evolution in composite materials significantly limits their widespread diffusion. ...
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J. Jesús Villegas-Saucillo, José Javier Díaz-Carmona, Carlos A. Cerón-Álvarez, Raúl Juárez-Aguirre, Saúl M. Domínguez-Nicolás, Francisco López-Huerta and Agustín L. Herrera-May
Oil and gas pipeline networks require the periodic inspection of their infrastructure, which can cause gas and oil leakage with several damages to the environment and human health. For this, non-destructive testing (NDT) techniques of low-cost and easy i...
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O. M. Pshinko,V. P. Lysniak,A. M. Zinkevych
Pág. 121 - 123
The comparison of non-destructive control results for concrete strength received by several methods and their statistical estimations are performed.
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Giancarlo Cordeiro Costa, Marcelo Azevedo Neves, Agnaldo Souza Pereira
This work presents a new method for estimation of Jc as a bulk characteristic of YBCO blocks. The experimental magnetic interaction force between a SmCo permanent magnet and a YBCO block was compared to finite element method (FEM) simulations r...
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Giancarlo Cordeiro Costa, Marcelo Azevedo Neves, Agnaldo Souza Pereira
This work presents a new method for estimation of Jc as a bulk characteristic of YBCO blocks. The experimental magnetic interaction force between a SmCo permanent magnet and a YBCO block was compared to finite element method (FEM) simulations r...
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Hyun-Ju Oh, Jung-Hoon Park and Hyung-Choon Park
Pile foundations are used to support superstructures and play an important role in the safety of these structures. The performance of pile foundations generally depends on the conditions of the pile itself and the material under the pile tip(i.e., bottom...
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Jianguo Zhao, Yang Yu, Hao Xu, Rongtang Zhang, Yuxi Ma and Jialiang Li
Numerical seismic wave field simulation is essential for studying the dynamic responses in semi-infinite space, and the absorbing boundary setting is critical for simulation accuracy. This study addresses spherical waves incident from the free boundary b...
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Mehrdad Hadizadeh-Bazaz, Ignacio J. Navarro and Víctor Yepes
Recently, the repair and maintenance of structures has been necessary to prevent these structures? sudden collapse and to prevent human and financial damage. A natural factor in marine environments that destroys structures and reduces their life is the p...
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Mikhail V. Belyakov, Gennady N. Samarin, Vyacheslav A. Ruzhev, Alexander A. Kudryavtsev, Igor Yu. Efremenkov and Nikita D. Blinov
For the efficient production and processing of milk, it is important to control its quality indicators. Optical spectroscopy, in combination with statistical analysis methods, can be a useful method of evaluation due to its speed, non-invasiveness, and r...
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Guo Li, Junbo Liu, Huimin Zhou, Liangliang Zuo and Shuiting Ding
Numerical integration methods have the characteristics of high efficiency and precision, making them attractive for aero-engine probabilistic risk assessment and design optimization of an inspection plan. One factor that makes the numerical integration m...
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Dyala Aljagoub, Ri Na, Chongsheng Cheng and Zhigang Shen
Concrete delamination detection using unmanned aerial vehicle (UAV)-mounted infrared cameras has proved effective in recent research. However, most studies used expensive research-grade infrared cameras and proprietary software to acquire images, which i...
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Ketao Yan, Lin Chang, Michalis Andrianakis, Vivi Tornari and Yingjie Yu
This paper presents a new processing method for denoising interferograms obtained by digital holographic speckle pattern interferometry (DHSPI) to serve in the structural diagnosis of artworks. DHSPI is a non-destructive and non-contact imaging method th...
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Eduardo Becker Groth, Thomas Gabriel Rosauro Clarke, Guilherme Schumacher da Silva, Ignacio Iturrioz and Giuseppe Lacidogna
The use of mechanic waves for assessing structural integrity is a well-known non-destructive technique (NDT). The ultrasound applied in the guided wave in particular requires significant effort in order to understand the complexities of the propagation s...
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