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Título : On Estimating Concrete Porosity by Ulrasonic Non-Destructive Testing
Autor : Vergara, L. ; Miralles, R.; Gosálbez, J.; Juanes, F. J.; Gómez-Ullate Alvear, Luis; Anaya Velayos, José Javier; González Hernández, Margarita; García Izquierdo, Miguel Ángel
Palabras clave : Mortar and concrete structures
Durability
Damage
Porosity
Non Destructive Testing
Ultrasonic inspections
Fecha de publicación : sep-2001
Editor: Acoustical Society of Italy
Citación : 17th International Congress on Acoustics, Measurement Techniques and Transducers, Non Destructive Testing, 3A.07.02
Resumen: Premature damage of mortar and concrete structures, due to environmental action, demands procedures to estimate durability of this type of components. Mortar or concrete composition (e.g., grain size, type and percentage of sand) may have some influence in the durability, but it is mainly related to porosity, which determines the interaction between aggressive agents and material. In this work, several NDE ultrasonic methods to estimate porosity of mortar are presented and evaluated. In these methods porosity is related to (1) the material structural noise, (2) sound velocity and (3) ultrasonic attenuation. In all these methods mortar is consider to be formed by only two phases: solid and pores.
Descripción : Communication presented at the 17th International Congress on Acoustics, Rome, 2-7 September 2001.
URI : http://hdl.handle.net/10261/5628
ISBN : 88-88387-01-3
Aparece en las colecciones: (IAI) Comunicaciones congresos
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