Giulia Viggiani
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View article: Interpretation of an artificial ground freezing field trial at Fori Imperiali in Rome
Interpretation of an artificial ground freezing field trial at Fori Imperiali in Rome Open
This paper describes a field trial of artificial ground freezing (AGF) carried out in connection with the construction of Line C of Roma underground. AGF was one of the options considered for the temporary stabilisation of the ground durin…
View article: Empirical prediction of horizontal movements induced by tunnelling in fine-grained soils
Empirical prediction of horizontal movements induced by tunnelling in fine-grained soils Open
For tunnelling in fine-grained soils, available evidence indicates that the focal depth of displacement vectors along the ground surface decreases with the transverse distance from the tunnel centre-line. Based on field and centrifuge obse…
View article: Assessing repeatability, scale effects, and consistency in geotechnical physical modelling: a collaborative benchmark exercise on horizontally loaded piles in dry sand
Assessing repeatability, scale effects, and consistency in geotechnical physical modelling: a collaborative benchmark exercise on horizontally loaded piles in dry sand Open
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View article: GEOLAB Material Properties Database
GEOLAB Material Properties Database Open
The document contains the comprehensive ‘one-stop’ material properties database developed by the GEOLAB consortium for the typical soils and constitutive models used in the GEOLAB facilities. The said database was developed to support the …
View article: A continuum analysis of piles affected by an advancing tunnel excavation during centrifuge tests with a miniature TBM
A continuum analysis of piles affected by an advancing tunnel excavation during centrifuge tests with a miniature TBM Open
A two-stage model based on the elastic continuum approach and nonlinear nearpile stress transfer mechanism is used to study the three-dimensional behaviour of piles under the influence of an advancing tunnel boring machine (TBM). In partic…
View article: Three-Dimensional Coupled Finite-Element Analyses of the Seismic Performance of Onshore Wind Turbines on Liquefiable Soils
Three-Dimensional Coupled Finite-Element Analyses of the Seismic Performance of Onshore Wind Turbines on Liquefiable Soils Open
In recent decades, research on renewable energy has been boosted by the emerging awareness of energy security and climate change and their consequences, such as the global cost of adapting to the climate impacts. Both onshore and offshore …
View article: On the fundamental period of bridge piers on caisson foundations
On the fundamental period of bridge piers on caisson foundations Open
Seismic behaviour of caisson foundations supporting bridge piers has been attracting the interest of researchers over the last few years, mainly due to their complex interaction phenomena with the soil and the superstructure, usually refer…
View article: GEOLAB Project FROSPER: FROst heaving soils-Solar Panel foundations interaction in cold European Regions: an experimental study
GEOLAB Project FROSPER: FROst heaving soils-Solar Panel foundations interaction in cold European Regions: an experimental study Open
The objective of the proposed project is to investigate the resilience of solar panels foundations in cold climates. The efficiency of solar panels is overall better in cold climates, when the direct sunlight is available, due to the lower…
View article: GEOLAB Project FROSPER: FROst heaving soils-Solar Panel foundations interaction in cold European Regions: an experimental study
GEOLAB Project FROSPER: FROst heaving soils-Solar Panel foundations interaction in cold European Regions: an experimental study Open
The objective of the proposed project is to investigate the resilience of solar panels foundations in cold climates. The efficiency of solar panels is overall better in cold climates, when the direct sunlight is available, due to the lower…
View article: On the performance-based seismic design of yielding retaining structures
On the performance-based seismic design of yielding retaining structures Open
This work summarises recent research on the seismic behaviour of displacing or yielding retaining structures, i.e., structures that can undergo permanent displacements during strong earthquakes without failing. For these systems, energy di…
View article: Numerical analysis of energy piles in a hypoplastic soft clay under cyclic thermal loading
Numerical analysis of energy piles in a hypoplastic soft clay under cyclic thermal loading Open
This work is a numerical investigation of the effect of thermally induced volumetric collapse of normally consolidated clays on the performance of energy piles. A series of coupled thermo‐hydro‐mechanical Finite Element simulations were ca…
View article: Microstructure of Crushable Expanded Clay Aggregates
Microstructure of Crushable Expanded Clay Aggregates Open
The images show two different and complementary views of a mixture of Light Expanded Clay Aggregate (LECA) particles with size ranging between 0.25–1.0 mm. The upper-left is a SEM image showing a projected view of the particles, while the …
View article: GEOLAB Material Properties Database
GEOLAB Material Properties Database Open
The document contains the comprehensive ‘one-stop’ material properties database developed by the GEOLAB consortium for the typical soils and constitutive models used in the GEOLAB facilities. The said database was developed to support the …
View article: Special issue on building and infrastructure response to ground movement: Bridging the gap between geotechnical and structural modelling of SSI
Special issue on building and infrastructure response to ground movement: Bridging the gap between geotechnical and structural modelling of SSI Open
Green Open Access added to TU Delft Institutional Repository ‘You share, we take care!’ – Taverne project https://www.openaccess.nl/en/you-share-we-take-care Otherwise as indicated in the copyright section: the publisher is the copyright h…
View article: GEOLAB: integrating and advancing Europe's physical modelling facilities
GEOLAB: integrating and advancing Europe's physical modelling facilities Open
ICPMG 2022, 10th International Conference on Physical Modelling in Geotechnics, Daejeon, COREE, REPUBLIQUE DE, 19-/09/2022 - 23/09/2022
View article: Centrifuge modelling of the effect of base slab stiffness on long-term heave and swell pressure
Centrifuge modelling of the effect of base slab stiffness on long-term heave and swell pressure Open
Long-term heave of basement slabs is a significant problem in cities with overconsolidated clay, such as London. There is a dearth of data to calibrate the methods commonly used by designers to predict heave displacement and swell pressure…
View article: Experimental investigation of the seismic performance of caisson foundations supporting bridge piers
Experimental investigation of the seismic performance of caisson foundations supporting bridge piers Open
Allowing the transitory attainment of bearing capacity of caisson foundations supporting bridge piers during strong seismic events can lead to substantial optimisation in their design and major cost savings. If the approach of capacity des…
View article: Boundary effects on dynamic centrifuge testing of onshore wind turbines on liquefiable soils
Boundary effects on dynamic centrifuge testing of onshore wind turbines on liquefiable soils Open
Centrifuge modelling is an effective tool to assess the response of reduced-scale structures subjected to earthquakes under increased gravity. Space limitations, however, force the model to be contained within relatively small boxes, whose…
View article: Role of Shear Deformability on the Response of Tunnels and Pipelines to Single and Twin Tunneling
Role of Shear Deformability on the Response of Tunnels and Pipelines to Single and Twin Tunneling Open
Tunneling can compromise the safety and serviceability of existing buried infrastructure because of settlements, crack openings, dislocations, and material strains. A continuum-based soil-structure interaction model, implementing an equiva…
View article: A fractal analysis method to characterise rock joint morphology
A fractal analysis method to characterise rock joint morphology Open
Rock joints morphological characteristics strongly influence the shear strength dilatancy response of the discontinuity. Morphological features of rock joints are commonly identified with a roughness descriptor along standard 100 mm-length…
View article: Inventory of facilities, technical specifications and experiment portfolio
Inventory of facilities, technical specifications and experiment portfolio Open
The GEOLAB Research Infrastructure (RI) consists of 11 testing facilities in Europe aimed to study the ground behavior in its interaction with structural Critical Infrastructure (CI) elements and the environment. The overarching aim of GEO…
View article: Centrifuge modelling of a non-symmetrically heated concrete energy pile group with raft
Centrifuge modelling of a non-symmetrically heated concrete energy pile group with raft Open
<p>The growing energy needs of urban areas and the current environmental context have led to the development of new energy technologies. Since the 1980s, energy geo-structures have been developed and applied, in which heat exchanger …
View article: Protecting surface and buried structures from tunnelling using pile walls: a prediction model
Protecting surface and buried structures from tunnelling using pile walls: a prediction model Open
When tunnelling poses excessive risks for buildings and buried foundations, a pile row barrier may shield the existing structure from ground movements. This paper presents a three-dimensional linear elastic prediction method to evaluate th…
View article: NUMERICAL ANALYSIS ON SHALLOW FOUNDATIONS LATERAL DISCONNECTION
NUMERICAL ANALYSIS ON SHALLOW FOUNDATIONS LATERAL DISCONNECTION Open
The paper presents a numerical study aiming at establish the effects of removing the lateral ground connection between embedded shallow foundations and surrounding soil on dynamic soil-structure interaction.Series of two-dimensional finite…