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DIGITAL.CSIC
Conference object . 2008 . Peer-reviewed
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Métodos de END mediante ultrasonidos para caracterizar la durabilidad del mortero

Authors: Vergara, L.; Miralles, R.; Gosálbez, Joaquim; Juanes, F. J.; Gómez-Ullate Alvear, Luis; Anaya Velayos, José Javier; González Hernández, Margarita; +1 Authors

Métodos de END mediante ultrasonidos para caracterizar la durabilidad del mortero

Abstract

[ES] El deterioro prematuro en estructuras de mortero y hormigón debido a la acción ambiental, requiere procedimientos para estimar la durabilidad de este tipo de componentes. La durabilidad está relacionada con la porosidad, que determina la intensidad de las interacciones del material con los agentes agresivos. En este trabajo se plantean métodos de END mediante ultrasonidos para caracterizar la porosidad del mortero, en los cuales se relaciona la porosidad con (1) el ruido granular de la señal de eco, (2) la velocidad de propagación de las ondas ultrasónicas a través del material y (3) la atenuación de las ondas ultrasónicas en mortero. Todos los métodos consideran que el mortero está formado por dos fases: sólido y poros.

[EN] Premature damage of mortar and concrete structures demands techniques to estimate durability of this type of components. Durability is related to porosity, which determines the interaction of aggressive agents and the material. In this work several END ultrasonic methods to estimate porosity are presented and evaluated. In these methods porosity is related to (1) the material structural noise, (2) sound velocity and (3) ultrasonic attenuation. All methods consider that mortar is formed by only two phases: solid and pores.

7 pp.-- PACS nr.: 43.35.Zc.-- Comunicación presentada en los siguientes congresos: II Congreso Iberoamericano de Acústica. XXXI Congreso Nacional de Acústica – TecniAcústica 2000. II Jornadas Iberoamericanas de Ultrasonidos. II Congreso Ibérico de Acústica. EAA Symposium on Architectural Acoustics (Madrid, 16-20 Octubre 2000).

Publicado también en número especial de la Revista de Acústica, Vol. XXXI, año 2000.

Este trabajo esta subvencionado por CICYT TAP97-1128.

Peer reviewed

Country
Spain
Related Organizations
Keywords

Material structural noise, Sound velocity, Ultrasonic attenuation, Mortar structures, Concrete structures, END ultrasonic methods, Porosity, Durability, Premature damage

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selected citations
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This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
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popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
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