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Walls of the Saltpans of the Aveiro Lagoon, Portugal – Current Status and Proposed New Solutions Using Geosynthetics

Walls of the Saltpans of the Aveiro Lagoon, Portugal – Current Status and Proposed New Solutions Using Geosynthetics
Walls of the Saltpans of the Aveiro Lagoon, Portugal – Current Status and Proposed New Solutions Using Geosynthetics
As a natural heritage of the region, the Aveiro Lagoon, in Portugal, allowed, over time, for people to live on its periphery and develop many different activities (agriculture, fishing, trades, industry and tourism), which resulted in social and human development of the region. One important activity at the time, that is now almost abandoned, was the salt production in the lagoon. As a consequence, today there is little to no maintenance of the walls of the saltpans, which leads to a progressive deterioration of those walls, with severe consequences for the hydrodynamic and environmental behavior of the lagoon. The main objective of the present work is to address the study of the construction or the rehabilitation of these walls, in order to re-establish some equilibrium in the lagoon. Thus, the current paper aimed at the characterization of the walls of the saltpans of the Aveiro Lagoon. On one hand, the traditional solution is briefly described and its hydraulic behavior is characterized by flume tests. On the other hand, two different new solutions, using geosynthetics, were designed and are briefly described. Such solutions are: 1) reinforcement of local fine soils using geosynthetics; 2) staked geobags filled with sand and a clayed centre (recreating the traditional solution). The stability of these solutions was analyzed and discussed and new research needs are pointed out.
flume tests, soil reinforcement, geobags
0749-0208
1467-1471
Carlos, D.
b4afd398-fce4-4cda-a29f-dc817adc76f6
Pereira, M.
2de94439-0c9a-48b9-b096-a11d40f84012
Pinho-Lopes, M.
b7e5f7d6-90d8-48cc-b991-0495445fcea4
Coelho, C.
aec37ca4-63ff-47d6-8e39-278e8730a1cb
Carlos, D.
b4afd398-fce4-4cda-a29f-dc817adc76f6
Pereira, M.
2de94439-0c9a-48b9-b096-a11d40f84012
Pinho-Lopes, M.
b7e5f7d6-90d8-48cc-b991-0495445fcea4
Coelho, C.
aec37ca4-63ff-47d6-8e39-278e8730a1cb

Carlos, D., Pereira, M., Pinho-Lopes, M. and Coelho, C. (2011) Walls of the Saltpans of the Aveiro Lagoon, Portugal – Current Status and Proposed New Solutions Using Geosynthetics. [in special issue: Proceedings of ICS2011] Journal of Coastal Research, SI 64, 1467-1471.

Record type: Article

Abstract

As a natural heritage of the region, the Aveiro Lagoon, in Portugal, allowed, over time, for people to live on its periphery and develop many different activities (agriculture, fishing, trades, industry and tourism), which resulted in social and human development of the region. One important activity at the time, that is now almost abandoned, was the salt production in the lagoon. As a consequence, today there is little to no maintenance of the walls of the saltpans, which leads to a progressive deterioration of those walls, with severe consequences for the hydrodynamic and environmental behavior of the lagoon. The main objective of the present work is to address the study of the construction or the rehabilitation of these walls, in order to re-establish some equilibrium in the lagoon. Thus, the current paper aimed at the characterization of the walls of the saltpans of the Aveiro Lagoon. On one hand, the traditional solution is briefly described and its hydraulic behavior is characterized by flume tests. On the other hand, two different new solutions, using geosynthetics, were designed and are briefly described. Such solutions are: 1) reinforcement of local fine soils using geosynthetics; 2) staked geobags filled with sand and a clayed centre (recreating the traditional solution). The stability of these solutions was analyzed and discussed and new research needs are pointed out.

Full text not available from this repository.

More information

Published date: 2011
Keywords: flume tests, soil reinforcement, geobags
Organisations: Infrastructure Group

Identifiers

Local EPrints ID: 374942
URI: https://eprints.soton.ac.uk/id/eprint/374942
ISSN: 0749-0208
PURE UUID: bb82fe22-54c1-411f-af8d-1c094f8e6627
ORCID for M. Pinho-Lopes: ORCID iD orcid.org/0000-0003-0808-6307

Catalogue record

Date deposited: 09 Mar 2015 10:00
Last modified: 20 Jul 2019 00:39

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