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Listar por autor "Genovés Gómez, Vicente"

Mostrando ítems 1-16 de 16

Airborne non-contact and contact broadband ultrasounds for frequency attenuation profile estimation of cementitious materials

Gosálbez Castillo, Jorge; Wright, W.M.D.; Jiang, W.; Carrión García, Alicia; Genovés, V.; Bosch Roig, Ignacio (Elsevier, 2018-08)

[EN] In this paper, the study of frequency-dependent ultrasonic attenuation in strongly heterogeneous cementitious materials is addressed. To accurately determine the attenuation over a wide frequency range, it is necessary ...
Airborne ultrasounds for damaged cementitious characterization

Gosálbez Castillo, Jorge; CARRIÓN GARCÍA, ALICIA; Gallardo, C.; Vázquez, S.; Genovés, V.; Paya Bernabeu, Jorge Juan (Acoustical Society of America, 2019-09-06)

[EN] The scope of this paper is to demonstrate the capability of airborne non-contact ultrasound (ANC-US) to assess thermal damage on normalized Portland cement mortar specimens. For this purpose, contact ultrasound (C-US) ...
Effects of slow dynamics and conditioning on non-linear hysteretic material evaluation using impact resonance acoustic spectroscopy

CARRIÓN GARCÍA, ALICIA; Genovés, V.; Perez, G.; Bittner, J.; POPOVICS, J.S.; Paya Bernabeu, Jorge Juan; Gosálbez Castillo, Jorge (Elsevier, 2021-03)

[EN] The microstructural features of heterogeneous and porous materials give rise to unique non-linear dynamic behaviour. The purpose of this work is to investigate the dynamic response of thermally damaged concrete specimens ...
Evaluación del comportamiento de morteros de cemento Portland frente al ataque por sulfatos mediante técnicas de vibración

Genovés Gómez, Vicente (Universitat Politècnica de València, 2013-03-05)

[ES] El mecanismo de ataque por sulfatos al hormigón es una patología estudiada por muchos autores debido a las consecuencias negativas que puede tener dicho ataque en la vida útil de las estructuras de hormigón. En el ...
Exploratory study on the optimisation of sampling effort in a non-vegetated lagoon within a Mediterranean wetland (Albufera Natural Park, Valencia, Spain)

Saccò, Mattia; Genovés Gómez, Vicente; Rueda Sevilla, Juan; Callicó Fortunato, Roberta; Rodrigo Santamalia, Mª Eugenia; Benedito Durá, Vicent (Elsevier, 2020-10)

[EN] The analysis of macroinvertebrate communities is essential in aquatic ecology studies. Nonetheless, sample collection, processing and species determination of macroinvertebrates are extremely time-consuming and require ...
Flipped Accumulative Non-Linear Single Impact Resonance Acoustic Spectroscopy (FANSIRAS): A novel feature extraction algorithm for global damage assessment

Carrión García, Alicia; Genovés, V.; Pérez, G.; Paya Bernabeu, Jorge Juan; Gosálbez Castillo, Jorge (Elsevier, 2018)

[EN] High amplitude non-linear acoustic methods have shown great potential for the identification of micro-damage in inhomogeneous materials such as concrete. Usually, these methods evaluate non-linearity parameters related ...
Morteros y hormigones con adición de nanotubos de carbono

Genovés Gómez, Vicente (Universitat Politècnica de València, 2011-11-16)

Convenios con empresa. Los objetivos de este proyecto son: experimentar con la adición de nanotubos en pastas, morteros y hormigones de cemento Portland, anotar los cambios en las propiedades del material en estado fresco ...
Multimodal analysis of GRC ageing process using Nonlinear Impact Resonance acoustic Spectroscopy

Genovés Gómez, Vicente; Riestra García-San Miguel, Covadonga; Borrachero Rosado, María Victoria; Eiras Fernández, Jesús Nuño; Kundu, T.; Paya Bernabeu, Jorge Juan (Elsevier, 2015-07)

Glass fibre Reinforced Cement (GRC) is a composite material composed of Portland cement mortar with low w/c (water/cement) ratio and high proportion of glass fibres. This material suffers from the ageing process by losing ...
New non-destructive testing techniques based on mechanical waves: Development and application to damage characterization on non-homogeneus materials

Genovés Gómez, Vicente (Universitat Politècnica de València, 2019-11-29)

Esta tesis doctoral se encuentra desarrollada en los ámbitos de materiales, ensayos no destructivos y procesado de señal. Su propósito es aportar nuevas técnicas no destructivas centrándose tanto en su desarrollo como en ...
Nonlinear Acoustic Spectroscopy and Frequency Sweep Ultrasonics: Case on Thermal Damage Assessment in Mortar

Genovés, V.; CARRIÓN GARCÍA, ALICIA; Escobar, D.; Gosálbez Castillo, Jorge; Monzó Balbuena, José Mª; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Springer-Verlag, 2019-09)

[EN] An exhaustive study on thermal damage of Portland cement-based materials is addressed. Damage carried out at different temperatures on concrete between 40 and 525 degrees C were assessed by means of microstructural, ...
Optimized ultrasonic attenuation measures for non-homogeneous materials

Genovés Gómez, Vicente; Gosálbez Castillo, Jorge; Carrión García, Alicia; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2016-02)

In this paper the study of frequency-dependent ultrasonic attenuation in strongly heterogeneous materials is addressed. To determine the attenuation accurately over a wide frequency range, it is necessary to have suitable ...
Preliminary study on short-term sulphate attack evaluation by nonlinear impact resonance acoustic spectroscopy technique

Genovés Gómez, Vicente; Soriano Martínez, Lourdes; Borrachero Rosado, María Victoria; Eiras Fernández, Jesús Nuño; Paya Bernabeu, Jorge Juan (Elsevier, 2015-03)

The scope of this paper is to study the sulphate attack on concrete with new testing methods based on vibrational spectroscopy with mechanical waves. These are based on Non-linear Impact Resonance Acoustic Spectroscopy ...
Ultrasonic and impact spectroscopy monitoring on internal sulphate attack of cement-based materials

Genovés Gómez, Vicente; Vargas, F.; Gosálbez Castillo, Jorge; Carrión García, Alicia; Borrachero Rosado, María Victoria; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] An exhaustive monitoring of an internal sulphate attack of Portland cement-based materials is addressed. Four series of Portland cement mortars with different amounts of gypsum (0%¿2% SO3 respect to the cement by mass) ...
Ultrasonic broadband signal monitoring of Glass-fiber Reinforced Cement (GRC) bending tests

Genovés, V.; Gosálbez Castillo, Jorge; Carrión García, Alicia; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] In this study, complete ultrasonic monitoring of Glass-fiber Reinforced Cement plates under bending tests was addressed. In this kind of experiment, the mechanical properties of the specimen continuously change during ...
Ultrasonic characterization of GRC with high percentage of fly ash substitution

Genovés Gómez, Vicente; Gosálbez Castillo, Jorge; Miralles Ricós, Ramón; Bonilla Salvador, María Mercedes; Paya Bernabeu, Jorge Juan (Elsevier, 2015-07)

New applications of non-destructive techniques (NDT) with ultrasonic tests (attenuation and velocity by means of ultrasonic frequency sweeps) have been developed for the characterization of fibre-reinforced cementitious ...
Ultrasonic signal modality: A novel approach for concrete damage evaluation

Carrión García, Alicia; Genovés, V.; Gosálbez Castillo, Jorge; Miralles Ricós, Ramón; Paya Bernabeu, Jorge Juan (Elsevier, 2017)

[EN] In this paper, a new approach for characterizing material damage, using ultrasonic waves, is proposed. Two concrete series with two types of cement with different C3A content and similar mechanical properties ...