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A platform for research: civil engineering, architecture and urbanism
Stability analysis of Llerin Rockfill Dam: An in situ direct shear test
AbstractThis paper analyzes the stability of the Llerin rockfill dam using Barton–Kjaernsli's shear criterion. To fit the parameters of this criterion, a direct shear test was designed that allows in situ calculation, using large-size samples of the shear stress at which failure is produced for different normal loads. These experimental values are then used to obtain more reliable values for the friction angle and the equivalent roughness of the rockfill material.The rockfill of Llerin dam is formed by a suitably ground gonfolite limestone rockfill that serves as a contention dam for a lagoon of mine tailings. The experimental results obtained in in situ tests were compared with those predicted by the shear criterion, subsequently determining the safety coefficient of the rockfill dam using the SLOPE computer program. We conclude that the values estimated via in situ testing permit the behaviour of the containment dam to be predicted more accurately.
Stability analysis of Llerin Rockfill Dam: An in situ direct shear test
AbstractThis paper analyzes the stability of the Llerin rockfill dam using Barton–Kjaernsli's shear criterion. To fit the parameters of this criterion, a direct shear test was designed that allows in situ calculation, using large-size samples of the shear stress at which failure is produced for different normal loads. These experimental values are then used to obtain more reliable values for the friction angle and the equivalent roughness of the rockfill material.The rockfill of Llerin dam is formed by a suitably ground gonfolite limestone rockfill that serves as a contention dam for a lagoon of mine tailings. The experimental results obtained in in situ tests were compared with those predicted by the shear criterion, subsequently determining the safety coefficient of the rockfill dam using the SLOPE computer program. We conclude that the values estimated via in situ testing permit the behaviour of the containment dam to be predicted more accurately.
Stability analysis of Llerin Rockfill Dam: An in situ direct shear test
Oyanguren, P. Ramírez (author) / Nicieza, C. González (author) / Fernández, M.I. Álvarez (author) / Palacio, C. González (author)
Engineering Geology ; 100 ; 120-130
2008-02-07
11 pages
Article (Journal)
Electronic Resource
English
Stability analysis of Llerin Rockfill Dam: An in situ direct shear test
| British Library Online Contents | 2008
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| Online Contents | 2008
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