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Xiaochuan Jiang, Jun Wang, Ying Zhang and Shenxue Jiang
This paper reports on investigations of the air-coupled ultrasonic (ACU) method to detect common defects in solid timber panels made of Chinese fir (Cunninghamia lanceolata (Lamb.) Hook.). The ACU technology is a non-contact method for nondestructive tim...
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Vishnupriya Jonnalagadda, Ji Yun Lee, Jie Zhao and Seyed Hooman Ghasemi
The nation?s transportation systems are complex and are some of the highest valued and largest public assets in the United States. As a result of repeated natural hazards and their significant impact on transportation functionality and the socioeconomic ...
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Rui Li, Dongdong Ye, Qiukun Zhang, Jianfei Xu and Jiabao Pan
Thermal barrier coatings (TBCs) play a crucial role in safeguarding aero-engine blades from high-temperature environments and enhancing their performance and durability. Accurate evaluation of TBCs? porosity is of paramount importance for aerospace mater...
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Artur Kulaszka, Józef Blachnio and Henryk Borowczyk
The reliability and operational safety of an aircraft engine gas turbine are extremely important in terms of its operation. In the course of operation, these turbines undergo complex thermal, mechanical, aerodynamic, and chemical exhaust gas loads. Due t...
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Jinzhong Zhao, Jin Wu and Kaixin Chen
The ultrasonic transmission detection method is used to investigate the applicability for the second-harmonic generation (SHG) technology of longitudinal wave to quantitatively assess carbonated concrete. The principal of this method is to use the piezoe...
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Konstantinos Gkyrtis, Christina Plati and Andreas Loizos
Modern roadways provide road users with a comfortable and safe ride to their destinations. Due to increasing traffic demands and maximum allowable loads, road authorities should also pay attention to the structural soundness of road pavements while seeki...
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Ali K. Saleh, Zafer Sakka and Hasan Almuhanna
The early condition-based assessment of civil infrastructures plays an essential role in extending their service life, preventing undesirable sudden failures, and reducing maintenance and rehabilitation costs. One of the most commonly used and fastest no...
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Konstantinos Gkyrtis, Angeliki Armeni, Christina Plati and Andreas Loizos
Maintenance interventions and rehabilitation actions in airfield pavements are time-consuming and adversely affect pavements? serviceability (i.e., airport closures), with a profound impact on the airport economics. Once a pavement is constructed, a robu...
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Dimitrios G. Dimogianopoulos and Dionysios E. Mouzakis
A framework for condition monitoring of joints between composite components of a structure by means of sensing elements incorporated into one of the components, contactless recording of the structure?s response to vibratory input and use of a dedicated a...
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Erika Carlos Medeiros, Leandro Maciel Almeida and José Gilson de Almeida Teixeira Filho
Aquatic products are popular among consumers, and their visual quality used to be detected manually for freshness assessment. This paper presents a solution to inspect tuna and salmon meat from digital images. The solution proposes hardware and a protoco...
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