Benchmark of experimental techniques for measuring and controlling suction

A. Tarantino, D. Gallipoli, C. E. Augarde, V. de Gennaro, R. Gomez, L. Laloui, C. Mancuso, G. El Mountassir, J. J. Munoz, J. M. Pereira, H. Peron, G. Pisoni, E. Romero, A. Raveendiraraj, J. C. Rojas, D. G. Toll, S. Tombolato, S. Wheeler

Resultado de la investigación: Article

28 Citas (Scopus)

Resumen

The paper presents a benchmarking study carried out within the 'Mechanics of Unsaturated Soils for Engineering' (MUSE) network aimed at comparing different techniques for measurement and control of suction. Techniques tested by the eight 'Mechanics of Unsaturated Soils for Engineering' research teams include axis-translation (pressure plate and suction-controlled oedometer), highcapacity tensiometer and osmotic technique. The soil used in the exercise was a mixture of uniform sand, sodium bentonite (active clay) and kaolinite (non-active clay), which were all commercially available. Samples were prepared by one team and distributed to all other teams. They were normally consolidated from slurry under one-dimensional conditions (consolidometer) to a given vertical stress. The water retention characteristics of the initially saturated specimens were investigated along the main drying path. Specimens were de-saturated by applying suction through the liquid phase when using an axis-translation technique or osmotic method and de-saturated by air-drying, when suction was measured using high-capacity tensiometers. In general, the same technique was tested by at least two teams. The water retention curves obtained using the different techniques are compared and discrepancies are discussed in the paper.

Idioma originalEnglish
Páginas (desde-hasta)303-312
Número de páginas10
PublicaciónGeotechnique
Volumen61
N.º4
DOI
EstadoPublished - 1 abr 2011

Huella dactilar

suction
Soils
tensiometer
Drying
Mechanics
Clay
water retention
mechanics
Engineering research
Kaolinite
Bentonite
Benchmarking
engineering
clay
soil
Water
benchmarking
Sand
bentonite
Sodium

ASJC Scopus subject areas

  • Geotechnical Engineering and Engineering Geology
  • Earth and Planetary Sciences (miscellaneous)

Citar esto

Tarantino, A., Gallipoli, D., Augarde, C. E., de Gennaro, V., Gomez, R., Laloui, L., ... Wheeler, S. (2011). Benchmark of experimental techniques for measuring and controlling suction. Geotechnique, 61(4), 303-312. https://doi.org/10.1680/geot.2011.61.4.303
Tarantino, A. ; Gallipoli, D. ; Augarde, C. E. ; de Gennaro, V. ; Gomez, R. ; Laloui, L. ; Mancuso, C. ; El Mountassir, G. ; Munoz, J. J. ; Pereira, J. M. ; Peron, H. ; Pisoni, G. ; Romero, E. ; Raveendiraraj, A. ; Rojas, J. C. ; Toll, D. G. ; Tombolato, S. ; Wheeler, S. / Benchmark of experimental techniques for measuring and controlling suction. En: Geotechnique. 2011 ; Vol. 61, N.º 4. pp. 303-312.
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Tarantino, A, Gallipoli, D, Augarde, CE, de Gennaro, V, Gomez, R, Laloui, L, Mancuso, C, El Mountassir, G, Munoz, JJ, Pereira, JM, Peron, H, Pisoni, G, Romero, E, Raveendiraraj, A, Rojas, JC, Toll, DG, Tombolato, S & Wheeler, S 2011, 'Benchmark of experimental techniques for measuring and controlling suction', Geotechnique, vol. 61, n.º 4, pp. 303-312. https://doi.org/10.1680/geot.2011.61.4.303

Benchmark of experimental techniques for measuring and controlling suction. / Tarantino, A.; Gallipoli, D.; Augarde, C. E.; de Gennaro, V.; Gomez, R.; Laloui, L.; Mancuso, C.; El Mountassir, G.; Munoz, J. J.; Pereira, J. M.; Peron, H.; Pisoni, G.; Romero, E.; Raveendiraraj, A.; Rojas, J. C.; Toll, D. G.; Tombolato, S.; Wheeler, S.

En: Geotechnique, Vol. 61, N.º 4, 01.04.2011, p. 303-312.

Resultado de la investigación: Article

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T1 - Benchmark of experimental techniques for measuring and controlling suction

AU - Tarantino, A.

AU - Gallipoli, D.

AU - Augarde, C. E.

AU - de Gennaro, V.

AU - Gomez, R.

AU - Laloui, L.

AU - Mancuso, C.

AU - El Mountassir, G.

AU - Munoz, J. J.

AU - Pereira, J. M.

AU - Peron, H.

AU - Pisoni, G.

AU - Romero, E.

AU - Raveendiraraj, A.

AU - Rojas, J. C.

AU - Toll, D. G.

AU - Tombolato, S.

AU - Wheeler, S.

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AB - The paper presents a benchmarking study carried out within the 'Mechanics of Unsaturated Soils for Engineering' (MUSE) network aimed at comparing different techniques for measurement and control of suction. Techniques tested by the eight 'Mechanics of Unsaturated Soils for Engineering' research teams include axis-translation (pressure plate and suction-controlled oedometer), highcapacity tensiometer and osmotic technique. The soil used in the exercise was a mixture of uniform sand, sodium bentonite (active clay) and kaolinite (non-active clay), which were all commercially available. Samples were prepared by one team and distributed to all other teams. They were normally consolidated from slurry under one-dimensional conditions (consolidometer) to a given vertical stress. The water retention characteristics of the initially saturated specimens were investigated along the main drying path. Specimens were de-saturated by applying suction through the liquid phase when using an axis-translation technique or osmotic method and de-saturated by air-drying, when suction was measured using high-capacity tensiometers. In general, the same technique was tested by at least two teams. The water retention curves obtained using the different techniques are compared and discrepancies are discussed in the paper.

KW - Laboratory tests

KW - Partial saturation

KW - Suction

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Tarantino A, Gallipoli D, Augarde CE, de Gennaro V, Gomez R, Laloui L y otros. Benchmark of experimental techniques for measuring and controlling suction. Geotechnique. 2011 abr 1;61(4):303-312. https://doi.org/10.1680/geot.2011.61.4.303