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Jose-María Sierra-Fernández, Sarah Rönnberg, Juan-José González de la Rosa, Math H. J. Bollen and José-Carlos Palomares-Salas
The highly-changing concept of Power Quality (PQ) needs to be continuously reformulated due to the new schemas of the power grid or Smart Grid (SG). In general, the spectral content is characterized by their averaged or extreme values. However, new PQ ev...
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Xiaoyu Lu, Ruipeng Qin, Chunliang Dong and Chaotao Fan
In many underground engineering projects, rocks are often subjected to cyclic loading and unloading, such as repeated excavation of roadway surrounding rock, which will lead to damage to underground rocks, and the energy of rocks also changes. Therefore,...
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Jonathan M. Taylor and Isabel M. Morris
Determining the material properties and existing capacity of concrete infrastructure using nondestructive techniques is challenging due to evolving design requirements, unknown as-built conditions, and ongoing maintenance and deterioration. Concrete?s ma...
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