Please use this identifier to cite or link to this item: https://hdl.handle.net/10216/83568
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dc.creatorM. L. Lopes
dc.creatorM. Pinho Lopes
dc.creatorA. M. Paula
dc.date.accessioned2022-09-10T16:52:07Z-
dc.date.available2022-09-10T16:52:07Z-
dc.date.issued2016
dc.identifier.issn1072-6349
dc.identifier.othersigarra:128385
dc.identifier.urihttps://hdl.handle.net/10216/83568-
dc.description.abstractThis paper contributes to a better understanding of how installation damage of geosynthetics can affect soilgeosynthetic interaction during pullout and inclined-plane shear. The effects of installation damage induced in field trials of a woven geotextile and a woven geogrid were studied. The results indicated that after installation the accumulation of a layer of fine particles over the geosynthetic can reduce the skin friction available, particularly for sheet materials. Installation damage can induce premature tensile failure in pullout tests, along the unconfined portion of the geosynthetic, causing a significant reduction in the corresponding coefficient of interaction. The contribution of the bearing members to the coefficient of interaction during pullout was estimated using equations from the literature. Such estimates were too optimistic. The installation damage induced had little influence on the soil-geosynthetic coefficient of interaction in the inclined plane shear test. The different relative movements of the soil and geosynthetic in pullout and inclined-plane shear, as well as the deformation of the reinforcements during pullout, enabled different mobilisation of the interface strength. For the comparable conditions tested, the coefficient of interaction from inclined plane shear tests was larger than that measured from pullout tests. The reduction factor for installation damage obtained from tensile tests overestimated the effects of the installation conditions on the soilgeosynthetic interface from both pullout and inclined plane shear tests.
dc.language.isoeng
dc.rightsopenAccess
dc.rights.urihttps://creativecommons.org/licenses/by-nc/4.0/
dc.subjectCiências Tecnológicas, Ciências da engenharia e tecnologias
dc.subjectTechnological sciences, Engineering and technology
dc.titleSoil-geosynthetic interaction in pullout and inclined-plane shear for two geosynthetics exhumed after installation damage
dc.typeArtigo em Revista Científica Internacional
dc.contributor.uportoFaculdade de Engenharia
dc.identifier.doi10.1680/jgein.16.00001
dc.identifier.authenticusP-00K-X6W
dc.subject.fosCiências da engenharia e tecnologias
dc.subject.fosEngineering and technology
Appears in Collections:FEUP - Artigo em Revista Científica Internacional

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