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RIARTE
Article . 2018
License: CC BY NC ND
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Uso del georradar para la identificación y definición geométrica de estructuras de cimentación en edificaciones existentes

Authors: López Julián, P.L.; Pueyo Anchuela, Ó.; Pocoví, A.; Pérez, J.A.; Sánchez, J.C.;

Uso del georradar para la identificación y definición geométrica de estructuras de cimentación en edificaciones existentes

Abstract

El conocimiento detallado de las estructuras de cimentación de edificaciones existentes es un factor fundamental a la hora de planificar una actuación que implique una modificación del estado de cargas y su adecuación a los nuevos códigos. Dicha información no siempre está disponible, ocurriendo no sólo en edificios históricos sino también en construcciones más recientes, incluso de mediados del siglo XX. Los procedimientos habituales de inspección de cimentaciones no van más allá de comprobaciones directas puntuales, relativamente válidas para obtener información general de las estructuras superficiales pero claramente insuficientes para conocer la distribución completa de las mismas en planta, las variaciones de diseño o la cota de apoyo, especialmente en el caso de cimentaciones profundas. Se presenta aquí un resumen de los resultados obtenidos en los últimos años en la caracterización de distintas estructuras de cimentación mediante georradar, metodología no invasiva que con la combinación de antenas de distintas frecuencias permite conocer el tipo de cimentación superficial (zapata, losa), sus dimensiones en planta y en profundidad, así como los niveles de armadura interna existentes. En el caso de las cimentaciones profundas su aplicabilidad es más limitada pero, en determinadas condiciones, puede suministrar los parámetros geométricos principales. La información así obtenida permite abordar los proyectos de rehabilitación con una mayor seguridad y economía de recursos, al permitir conocer las geometrías de los elementos de cimentación y su variación, sin necesidad de acceder al subsuelo de forma directa o al menos para reducir la caracterización directa o dotar a dichos resultados de representatividad. La evolución de las políticas públicas de vivienda, que tiende a dar mayor peso a la rehabilitación, podría beneficiarse de la aplicación de esta metodología en el redimensionado o caracterización actual de cimentaciones a partir de datos parciales o no comprobables del diseño e implantación original.

This paper presents a summary of the results obtained in recent years in the characterization of different foundation structures by means of georadar, a non-invasive methodology that with the combination of antennas of different frequencies allows to know the type of surface foundation (zapata, slab) , its dimensions in plan and in depth, as well as the existing internal reinforcement levels. In the case of deep foundations, its applicability is more limited, but under certain conditions, it can supply the main geometric parameters. The information thus obtained allows us to address the rehabilitation projects with greater security and economy of resources, by allowing to know the geometries of the foundation elements and their variation, without the need to access the subsoil directly or at least to reduce the direct characterization or endowing said results with representativeness.

Country
Spain
Keywords

3311.17 Equipos de Verificación, 3305.22 Metrología de la Edificación, Rehabilitación de edificios, 2504.06 Geodesia Física, Georradar, 3305.31 Mecánica del Suelo (Construcción), 3311.02 Ingeniería de Control, Geodesia, 3305.10 Cimientos, Cimentación, 3305.33 Resistencia de Estructuras, Estado de cargas, 3305.34 Topografía de la Edificación, 3305.26 Edificios Públicos

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selected citations
These citations are derived from selected sources.
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).
BIP!Citations provided by BIP!
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.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green