Zimbardo, Margherita;
Nocilla, Alessandra;
Coop, Matthew Richard;
(2022)
Influence of destructuration on the compression behaviour of a weak rock.
Geosciences
, 12
(6)
, Article 249. 10.3390/geosciences12060249.
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Abstract
The literature has highlighted the behaviour of several weak rocks and the role of structure in determining them. The need for understanding their behaviour is due to the instabilities or collapse that may involve human settlements built on these materials which are widespread all over the world. In previous studies, the authors highlighted that in Marsala, Sicily, underground calcarenite quarries have been involved in a number of collapses that have seriously damaged numerous overlying buildings. In order to investigate the influence of destructuration on the behaviour of the calcarenite of Marsala, this paper presents a preliminary investigation of the compression behaviour of the intact rock and of the same weak rock in a destructured state. A petrographic and physical characterisation of the material was carried out together with oedometer and isotropic compression tests. The investigation has highlighted behaviour not previously identified for other weak rocks in which the pores seem to play a key role; the destructured material can no longer be considered, as generally assumed for other weak rocks, as a reference.
| Type: | Article |
|---|---|
| Title: | Influence of destructuration on the compression behaviour of a weak rock |
| Open access status: | An open access version is available from UCL Discovery |
| DOI: | 10.3390/geosciences12060249 |
| Publisher version: | https://doi.org/10.3390/geosciences12060249 |
| Language: | English |
| Additional information: | © 2022 MDPI. This is an open access article distributed under the Creative Commons Attribution License (https://creativecommons.org/licenses/by/4.0/). |
| Keywords: | structure; yielding behaviour; weak rocks; stiffness |
| UCL classification: | UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science UCL > Provost and Vice Provost Offices > UCL BEAMS > Faculty of Engineering Science > Dept of Civil, Environ and Geomatic Eng UCL > Provost and Vice Provost Offices > UCL BEAMS UCL |
| URI: | https://discovery.ucl.ac.uk/id/eprint/10150154 |
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