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Open AccessProceedings

Causes of Ground Settlements in Upper Reservoir of Hydro-Wind Plant of El Hierro and Method Implemented for Soil Improvement

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IDOM Consulting, Engineering, Architecture, S.A.U., Avda. Monasterio de El Escorial 4, 28049 Madrid, Spain
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Department of Geology, University of Oviedo, Jesús Arias de Velasco s/n, 33005 Oviedo, Spain
*
Author to whom correspondence should be addressed.
Presented at the 2nd International Research Conference on Sustainable Energy, Engineering, Materials and Environment (IRCSEEME), Mieres, Spain, 25–27 July 2018.
Proceedings 2018, 2(23), 1468; https://doi.org/10.3390/proceedings2231468
Published: 1 November 2018
This article exposes one of the main engineering problems in the design and construction of the upper reservoir of El Hierro hydro-wind plant, relative to the high settlement of the bottom in the southeast area. The high settlements measured during the construction phase are consequence of the geological-geotechnical settings of the site, a natural depression of a volcanic crater occupied by highly deformable soils derived from the weathering of volcanic materials. Ground improvement was carried out by partial preloading (mobile dune), preceded by the execution of a trial embankment in the southeast area of the reservoir, where the greatest thickness of deformable soils was identified.
Keywords: volcanic materials; residual soils; settlements; preloading volcanic materials; residual soils; settlements; preloading
MDPI and ACS Style

Fernández-Baniela, F.; Arias, D.; Rubio-Ordoñez, Á. Causes of Ground Settlements in Upper Reservoir of Hydro-Wind Plant of El Hierro and Method Implemented for Soil Improvement. Proceedings 2018, 2, 1468.

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