A cliff failure in Ericeira (Centre of Portugal) fishing harbour south access

Alexandre Santos-Ferreira; Ana Paula F Da Silva; Cláudia Santos; E. Dias; M. Cabral; Liliana Ribeiro; Cláudia Rocha

doi:10.1007/978-3-319-09057-3_373

A cliff failure in Ericeira (Centre of Portugal) fishing harbour south access

Alexandre Santos-Ferreira, Ana Paula F Da Silva, Cláudia Santos, E. Dias, M. Cabral, Liliana Ribeiro, Cláudia Rocha

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

1 Citation (Scopus)

Abstract

Several of the Portuguese small harbours present cliff stability problems, either in their road access, or in the interface with the sea. So the study, the monitoring and the risk analysis of those cliffs are also a major concern to Portuguese Harbour Authority. In some cases, as in the one detailed in this paper, the cliffs are shaped in alternating weak and hard rock layers, undergoing differential erosion processes. In the particular case that will be presented, a century and a half old retaining wall (1853), supporting the south access road to Ericeira fishing harbour, centre of Portugal, was founded on a hard sandstone layer. This retaining wall collapsed at beginning of May 2012. The paper details the failure mechanism as identified, and presents the solution adopted for the retaining wall repair works. The proposed stabilization solutions are discussed, both the immediate implemented measures and the permanent planned stabilization methods. .

Original language	English
Title of host publication	Engineering Geology for Society and Territory
Subtitle of host publication	Landslide Processes
Publisher	Springer International Publishing AG
Pages	2089-2092
Number of pages	4
Volume	2
ISBN (Electronic)	978-3-319-09057-3
ISBN (Print)	978-3-319-09056-6
DOIs	https://doi.org/10.1007/978-3-319-09057-3_373
Publication status	Published - 1 Jan 2015
Event	12th International IAEG Congress - Torino, Italy Duration: 15 Sept 2014 → 19 Sept 2014 Conference number: 12th

Conference

Conference	12th International IAEG Congress
Country/Territory	Italy
City	Torino
Period	15/09/14 → 19/09/14

Keywords

Coastal Cliff
Differential Erosion
Rock Fall
Slope Stability

Access to Document

10.1007/978-3-319-09057-3_373Licence: Unspecified

Cite this

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abstract = "Several of the Portuguese small harbours present cliff stability problems, either in their road access, or in the interface with the sea. So the study, the monitoring and the risk analysis of those cliffs are also a major concern to Portuguese Harbour Authority. In some cases, as in the one detailed in this paper, the cliffs are shaped in alternating weak and hard rock layers, undergoing differential erosion processes. In the particular case that will be presented, a century and a half old retaining wall (1853), supporting the south access road to Ericeira fishing harbour, centre of Portugal, was founded on a hard sandstone layer. This retaining wall collapsed at beginning of May 2012. The paper details the failure mechanism as identified, and presents the solution adopted for the retaining wall repair works. The proposed stabilization solutions are discussed, both the immediate implemented measures and the permanent planned stabilization methods. .",

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Santos-Ferreira, A, Da Silva, APF, Santos, C, Dias, E, Cabral, M, Ribeiro, L & Rocha, C 2015, A cliff failure in Ericeira (Centre of Portugal) fishing harbour south access. in Engineering Geology for Society and Territory : Landslide Processes. vol. 2, Springer International Publishing AG, pp. 2089-2092, 12th International IAEG Congress, Torino, Italy, 15/09/14. https://doi.org/10.1007/978-3-319-09057-3_373

A cliff failure in Ericeira (Centre of Portugal) fishing harbour south access. / Santos-Ferreira, Alexandre; Da Silva, Ana Paula F; Santos, Cláudia et al.
Engineering Geology for Society and Territory : Landslide Processes. Vol. 2 Springer International Publishing AG, 2015. p. 2089-2092.

Research output: Chapter in Book/Report/Conference proceeding › Chapter › peer-review

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AU - Santos-Ferreira, Alexandre

AU - Da Silva, Ana Paula F

AU - Santos, Cláudia

AU - Dias, E.

AU - Cabral, M.

AU - Ribeiro, Liliana

AU - Rocha, Cláudia

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KW - Differential Erosion

KW - Rock Fall

KW - Slope Stability

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A cliff failure in Ericeira (Centre of Portugal) fishing harbour south access

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