This study demonstrates the feasibility of the dynamic acousto-elastic effect of a continuous high frequency
wave for investigating the material nonlinearity upon transient vibration. The approach is
demonstrated on a ...
Eiras Fernández, Jesús Nuño; Kundu, Tribikram; Popovics, John Sandor; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan(Society of Photo-optical Instrumentation Engineers (SPIE), 2016)
[EN] Carbonation causes a physicochemical alteration of cement-based materials, leading to a decrease of porosity and an increase of material hardness and strength. However, carbonation will decrease the pH of the internal ...
Jimenez, Noe; Sánchez Morcillo, Víctor José; Mehrem Issa Mohamed Mehrem, Ahmed; Hamham, El Mokhta; Picó Vila, Rubén; García-Raffi, L. M.(Elsevier, 2015)
[EN] The propagation of intense acoustic waves in a periodic medium (sonic crystal) is numerically studied. The medium consists in a structured fluid, formed by a periodic array of fluid layers with alternating linear ...
Eiras Fernández, Jesús Nuño(Universitat Politècnica de València, 2016-10-10)
[EN] The test for determining the resonance frequencies has traditionally been used to investigate the mechanical integrity of concrete cores, to assess the conformity of concrete constituents in different accelerated ...
Eiras Fernández, Jesús Nuño; Popovics, John Sandor; Borrachero Rosado, María Victoria; Monzó Balbuena, José Mª; Paya Bernabeu, Jorge Juan(Elsevier, 2015-09)
In this paper, we investigate the utility of vibration-based NDT tests to detect the subtle microstructural modifications and cracking damage in Portland cement mortars subjected to oven drying treatment. Both linear ...