Please use this identifier to cite or link to this item: http://hdl.handle.net/10316/28265
Title: Characterization of the Dagorda claystone in Leiria, Portugal, based on laboratory tests
Authors: Veiga, Anabela 
Orientador: Quinta-Ferreira, Mário
Keywords: Claystone; Geotechnical Properties
Issue Date: 2015
Publisher: Springer
Keywords: Claystone; Geotechnical Properties
Issue Date: 2015
Publisher: Springer
Series/Report no.: Engineering Geology for Society and Territory – Volume 6
122
Abstract: The Hetangian Dagorda claystone Formation occupies the core of a diapir outcropping in part of the city of Leiria, exhibiting a complex geological structure. The geological and geotechnical characterization is presented based in field observation and laboratory tests allowing to conclude that the Dagorda clay soils exhibit an unfavourable behaviour for urban occupation, due to the presence of expansive clay minerals. When partially saturated these soils can lead to cracking of walls and floors, or even to endanger the stability of buildings, if they have not been strengthened to resist to expansive soil. The presence of soluble minerals, mainly gypsum and seldom halite, can allow the formation of voids and eventually the deformation or collapse of the ground. Suitable safety procedures, in order to prevent hazards should be used.
Gov't Doc #: 2014946956
URI: http://hdl.handle.net/10316/28265
ISBN: 978-3-319-09059-7
978-3-319-09060-3 (eBook)
DOI: 10.1007/978-3-319-09060-3
Rights: closedAccess
Appears in Collections:FCTUC Ciências da Terra - Livros e Capítulos de Livros

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