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21 Result(s)
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Alessio Ferrari
Geoengineering, Foundations, Hydraulics
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Chapter and Conference Paper
Hydro-Mechanical Characterization of a Shale by Unusually High-Pressure Oedometric Tests
The note presents selected results of an experimental campaign conducted with the aim to investigate the hydro-mechanical behaviour of a shale recovered at a depth of about 900 m below the ground. High-pressur...
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Chapter and Conference Paper
On Multiphysical Couplings in Energy Geotechnics: Relevance and Applications
Energy Geotechnics includes several applications related to the recovery and storage of energy from and into the ground, energy transportation, and the management of waste and carbon dioxide generated from ene...
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Chapter and Conference Paper
On the Fabric of a 3D Printed Soil
3D printing of earthen materials is on the rise in the field of Additive Manufacturing (AM) due to the opportunity this technique offers to realize structures and manufacts with low environmental impacts, but ...
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Chapter and Conference Paper
Experimental and Numerical Investigation on Water Exchange of Opalinus Clay Samples
Opalinus Clay is a fine-grained sedimentary geomaterial with a mineral composition consisting mainly of silicates, carbonates and quartz. Due to its favourable barrier properties, this geomaterial has been sel...
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Chapter and Conference Paper
On the Post-peak Behaviour of Remoulded and Jointed Clay Samples During Triaxial Compression Tests
The note presents a selection of the results of a large experimental program conducted with the aim of characterizing the shear strength of Opalinus Clay and Speswhite Kaolin in remoulded and reconstituted con...
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Book and Conference Proceedings
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Article
Open AccessVolume change response and fabric evolution of granular MX80 bentonite along different hydro-mechanical stress paths
Despite the increasing understanding of bentonite behaviour, there is still missing evidence on how different hydro-mechanical loadings, including sequences of hydration and compression, affect the fabric and ...
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Chapter and Conference Paper
Displacement Evolution of a Large Landslide in a Highly Fissured Clay
The paper presents an analysis and modelling of the reactivation mechanism of a large landslide caused by rainfall, located in Cerda (Sicily, Italy). The study is based on data collected by means of a field in...
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Chapter and Conference Paper
The Permeable Concrete: A Low Energy Consumption Solution for Deep Draining Trenches
The reduction of pore water pressures is one of the very effective measures to improve the stability conditions of marginally stable water-bearing slopes or to stabilise landslides. For this purpose the trench...
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Chapter and Conference Paper
The Residual Shear Strength of the Shaly and Sandy Facies of the Opalinus Clay
The paper presents a comprehensive laboratory campaign carried out with the aim to asses the residual strength of the Opalinus Clay. Ring shear tests with vertical effective stress up to 1 MPa were performed o...
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Chapter and Conference Paper
Anisotropic Behaviour of Shallow Opalinus Clay
Opalinus Clay shale, the selected host geomaterial of a high-level radioactive waste repository in Switzerland, was sourced at shallow depth in a borehole in the northern part of the country. Pairs of specimen...
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Chapter and Conference Paper
Gas Shale Water Imbibition Tests with Controlled Suction Technique
Water loss during flowback operations represents one of the main challenges related to the use of hydraulic stimulation to exploit shale gas resources. About 20% of the injected fracturing fluids are usually r...
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Book and Conference Proceedings
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Chapter and Conference Paper
1D Compression Behaviour of Opalinus Clay
One of the main concerns related to tunnel excavations, drilling operations and wellbore stability in shales is the generation of excess pore water pressure due to changes in mechanical stress; therefore the c...
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Chapter and Conference Paper
One Dimensional Consolidation of Opalinus Clay from Shallow Depth
First experimental results on Opalinus Clay from shallow depth (<30 m depth) are presented and compared to results on cores from Mont Terri Underground Rock Laboratory (~300 m depth). Samples were tested in o...
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Chapter and Conference Paper
Volumetric Behaviour of Lime Treated High Plasticity Clay Subjected to Suction Controlled Drying and Wetting Cycles
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...
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Chapter and Conference Paper
The Role of Anisotropy on the Volumetric Behaviour of Opalinus Clay upon Suction Change
An experimental investigation to analyse the anisotropic volumetric response of shaly and sandy facies of Opalinus Clay upon suction variations is presented. Obtained results demonstrate the different behavio...
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Article
Shear strength of a compacted scaly clay in variable saturation conditions
Scaly clays are stiff and highly fissured clays often used as construction materials. This paper presents the results of triaxial compression tests carried out on saturated and unsaturated samples of a compact...
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Chapter
One-Dimensional Transient Analysis of Rainfall Infiltration in Unsaturated Volcanic Ash
The paper presents a one-dimensional hydro-mechanical analysis of rainfall infiltration in a loose volcanic ash and the utilisation of a factor of safety for the implementation of an early-warning system. Thre...
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Book and Conference Proceedings
