Volumetric behaviour of lime treated high plasticity clay subjected to suction controlled drying and wetting cycles

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Abstract

The paper presents some experimental results collected on samples recovered from an experimental embankment obtained by compacting a lime-treated clay. Samples were collected soon after the in situ compaction and they were cured in controlled environmental conditions for at least 18 months. Mercury intrusion porosimetry tests (MIP) were carried out on freeze-dried specimens to characterize the microstructure of the material. In order to assess the durability of the improved material, laboratory tests focused on the effects of cyclic variations of the degree of saturation on the water retention properties and the volumetric behaviour of the stabilized clay. Collected results show that the lime-treated clay undergoes an almost irreversible volumetric behaviour; this irreversible contraction is associated to severe drying processes.
Lingua originaleEnglish
Titolo della pubblicazione ospiteSpringer Series in Geomechanics and Geoengineering
Pagine165-172
Numero di pagine8
Stato di pubblicazionePublished - 2017

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Lime
wetting
suction
lime
Plasticity
plasticity
Wetting
Drying
Clay
clay
Embankments
water retention
durability
embankment
contraction
compaction
microstructure
Durability
Compaction
environmental conditions

All Science Journal Classification (ASJC) codes

  • Geotechnical Engineering and Engineering Geology
  • Mechanics of Materials

Cita questo

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abstract = "The paper presents some experimental results collected on samples recovered from an experimental embankment obtained by compacting a lime-treated clay. Samples were collected soon after the in situ compaction and they were cured in controlled environmental conditions for at least 18 months. Mercury intrusion porosimetry tests (MIP) were carried out on freeze-dried specimens to characterize the microstructure of the material. In order to assess the durability of the improved material, laboratory tests focused on the effects of cyclic variations of the degree of saturation on the water retention properties and the volumetric behaviour of the stabilized clay. Collected results show that the lime-treated clay undergoes an almost irreversible volumetric behaviour; this irreversible contraction is associated to severe drying processes.",
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author = "{Airo' Farulla}, Camillo and Alessio Ferrari and Clara Celauro and Marco Rosone",
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T1 - Volumetric behaviour of lime treated high plasticity clay subjected to suction controlled drying and wetting cycles

AU - Airo' Farulla, Camillo

AU - Ferrari, Alessio

AU - Celauro, Clara

AU - Rosone, Marco

PY - 2017

Y1 - 2017

N2 - The paper presents some experimental results collected on samples recovered from an experimental embankment obtained by compacting a lime-treated clay. Samples were collected soon after the in situ compaction and they were cured in controlled environmental conditions for at least 18 months. Mercury intrusion porosimetry tests (MIP) were carried out on freeze-dried specimens to characterize the microstructure of the material. In order to assess the durability of the improved material, laboratory tests focused on the effects of cyclic variations of the degree of saturation on the water retention properties and the volumetric behaviour of the stabilized clay. Collected results show that the lime-treated clay undergoes an almost irreversible volumetric behaviour; this irreversible contraction is associated to severe drying processes.

AB - The paper presents some experimental results collected on samples recovered from an experimental embankment obtained by compacting a lime-treated clay. Samples were collected soon after the in situ compaction and they were cured in controlled environmental conditions for at least 18 months. Mercury intrusion porosimetry tests (MIP) were carried out on freeze-dried specimens to characterize the microstructure of the material. In order to assess the durability of the improved material, laboratory tests focused on the effects of cyclic variations of the degree of saturation on the water retention properties and the volumetric behaviour of the stabilized clay. Collected results show that the lime-treated clay undergoes an almost irreversible volumetric behaviour; this irreversible contraction is associated to severe drying processes.

KW - Geotechnical Engineering and Engineering Geology

KW - Mechanics of Materials

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UR - http://www.springer.com/series/8069

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SP - 165

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BT - Springer Series in Geomechanics and Geoengineering

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