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Microstructural evaluation of the water sensitivity of clayey rocks
Pineda Jiménez, Jubert Andrés; Romero Morales, Enrique Edgar; Tarragó, Dani; Tauler, Esperança; Alonso Pérez de Agreda, Eduardo
Universitat Politècnica de Catalunya. Departament d'Enginyeria del Terreny, Cartogràfica i Geofísica; Universitat Politècnica de Catalunya. MSR - Mecànica del Sòls i de les Roques
The paper presents both macroscopic and microstructural evidence of the water sensitivity of a low porosity clayey rock from Northern Spain. Particular emphasis is focused on the effects of water sensitivity at micro level. Results obtained from Environmental Scanning Electron Microscopy (ESEM) using the common procedure of sample preparation show that this procedure of sample preparation is not enough to evaluate in a proper way the irreversible changes induced at micro level by hydraulic effects. An alternative procedure is described, which seems to improve the evaluation of rock degradation at micro scale.
Àrees temàtiques de la UPC::Enginyeria civil::Geotècnia::Mecànica de roques
Clay soils
Rock mechanics
Microstructures
Rocks
Spain
Clays
Porosity
Sòls argilosos
Mecànica de roques
info:eu-repo/semantics/publishedVersion
info:eu-repo/semantics/conferenceObject
American Society of Civil Engineers (ASCE)
         

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