Silica gels: a possible explanation for slope failures in certain rocks-Reference-Cited by-同舟云学术

Silica gels: a possible explanation for slope failures in certain rocks

Published:1998 Issue:1 Volume:15 Page:185-191
ISSN:0267-9914
Container-title:Geological Society, London, Engineering Geology Special Publications
language:en
Short-container-title:Geological Society, London, Engineering Geology Special Publications

Author:

Butenuth Christine¹,Frey Marie-Luise¹,de Freitas Michael Henry²,Passas Nikolaos²,Forero-Duenas Carlos²

Affiliation:

1. Verbandsgemeinde Gerolstein - GEO-PARKKyllweg 1, 54568 Gerolstein, Germany

2. Department of Civil and Environmental Engineering, Imperial College of Science, Technology and MedicineLondon SW7 2BU, UK

Abstract

AbstractStudies of a weak sandstone which disaggregates in water reveal that particles of colloidal dimensions are released as the sand-sized particles separate. Colloids are the building blocks of gels and their presence suggests that gels (in this case silica gels) could be a component of this material. Samples of the disaggregated sandstone were collected soon after a landslide within it had occurred and, when left to stand in the ground water collected with them, naturally recemented themselves. Such behaviour implies that gels are not only present in this sandstone but also contribute to its strength. The role of gels may therefore be significant to those geohazards arising from a loss of strength.

Publisher

Geological Society of London

Subject

Geotechnical Engineering and Engineering Geology

Reference25 articles.

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5. Physikalisch-chemische Reaktionsbedingungen in hydrogeochemischen Räumen, Beobachtungen an Flüssen, Teil II;Butenuth;Wissenschaft und Umwelt (ISU),1990

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