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Recolector de Ciencia Abierta, RECOLECTA
Conference object . 2011
License: CC BY NC ND
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Recolector de Ciencia Abierta, RECOLECTA
Conference object . 2011
License: CC BY NC ND
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Hinchamiento en túneles por crecimiento de cristales y su modelación

Authors: Ramon Tarragona, Anna; Alonso Pérez de Agreda, Eduardo;

Hinchamiento en túneles por crecimiento de cristales y su modelación

Abstract

La intensidad del comportamiento expansivo observado en excavaciones de túneles en arcillas sulfatadas es mayor que en otras rocas y suelos expansivos libres de sulfatos. En la mayoría de casos la funcionalidad y la estabilidad de los túneles se ven afectadas. Investigaciones de campo y de laboratorio muestran que, en general, el desarrollo de deformaciones y altas presiones en rocas sulfatadas está asociado al crecimiento de cristales de yeso en discontinuidades. El crecimiento de cristales de yeso es una consecuencia de la sobresaturación del agua del macizo en sulfatos. Los datos de campo que avalan esta interpretación tienen un ejemplo sobresaliente en el túnel de Lilla (Tarragona), que ha sufrido graves problemas de hinchamiento tras su construcción. Se ha desarrollado un modelo de cálculo hidro-mecánico acoplado que permite predecir hinchamientos en excavaciones en arcillas sulfatadas durante la etapa de diseño.

Country
Spain
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Keywords

Deformacions (Mecànica), Tunnels, Túnels, Yeso, Deformations (Mechanics), Anhidrita, :Enginyeria civil [Àrees temàtiques de la UPC], Hinchamiento, Cristalización, Túnel de Lilla, Arcilla, Sòls -- Contingut en guix, Evaporación, Àrees temàtiques de la UPC::Enginyeria civil, Soils - Gypsum content

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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!
views
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