Giuseppe Modoni
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View article: Fiber-Grains Interaction Mechanisms in Triaxial Tests Detected with X-ray Tomography
Fiber-Grains Interaction Mechanisms in Triaxial Tests Detected with X-ray Tomography Open
Fiber orientation plays a key role in fiber reinforcement. Fibers must undergo tensile stress to be effective and must be oriented along the minimum principal stress direction to ensure maximum interaction with the shear band. When fibers …
View article: Compacted sand–bentonite mixtures for the confinement of waste landfills
Compacted sand–bentonite mixtures for the confinement of waste landfills Open
This paper illustrates the results of an experimental study on sand–bentonite mixtures for their use as confinement barriers for solid waste landfills. The mixtures have been prepared parametrically varying the percentage of bentonite. The…
View article: Assessment of liquefaction susceptibility under complex stratigraphic conditions: the case of Terre del Reno (FE)
Assessment of liquefaction susceptibility under complex stratigraphic conditions: the case of Terre del Reno (FE) Open
The phenomenon of liquefaction is nowadays sufficiently understood in terms of phenomenology and predisposing conditions. However, a better assessment of liquefaction risk is necessary to mitigate its effects and guide land-use planning ch…
View article: Effect of fibre orientation on the mechanical response of reinforced sand, detected with x-ray tomography
Effect of fibre orientation on the mechanical response of reinforced sand, detected with x-ray tomography Open
The mechanical behaviour of fibre-reinforced sands (FRS) has been thoroughly explored with a laboratory study, firstly investigating the influence of relevant parameters such as grading index, soil density, amount, diameter, and length of …
View article: Nanosilica Grout Permeation in Sand: Experimental Investigation and Modeling
Nanosilica Grout Permeation in Sand: Experimental Investigation and Modeling Open
Low-pressure injection of nanosilica aqueous suspensions is often adopted to either waterproof or increase the liquefaction resistance of granular soils. The basic principle behind this ground improvement technique consists in filling the …
View article: Influence of technological parameters on the properties of jet grouting columns detected with full scale experiments
Influence of technological parameters on the properties of jet grouting columns detected with full scale experiments Open
Jet grouting induces a complex interaction between soil and injected fluids, and thus the properties of columns are dictated by a combination of the two systems.Aiming to improve the efficiency of projects and optimize execution, past rese…
View article: PERL: a dataset of geotechnical, geophysical, and hydrogeological parameters for earthquake-induced hazards assessment in Terre del Reno (Emilia-Romagna, Italy)
PERL: a dataset of geotechnical, geophysical, and hydrogeological parameters for earthquake-induced hazards assessment in Terre del Reno (Emilia-Romagna, Italy) Open
In 2012, the Emilia-Romagna region (Italy) was struck by a seismic crisis characterized by two main shocks (ML 5.9 and 5.8) which triggered relevant liquefaction events. Terre del Reno is one of the municipalities that experienced the most…
View article: An Innovative Holistic GIS-BIM and Artificial Intelligence Based Approach to Manage Mechanized Tunnelling: The Back-Analysis of the Budapest Metro Line4
An Innovative Holistic GIS-BIM and Artificial Intelligence Based Approach to Manage Mechanized Tunnelling: The Back-Analysis of the Budapest Metro Line4 Open
The current and continuously increasing demand for urban mobility implies introducing new sustainable and alternative systems to road transport. Where economic viability is established, metro lines are one of the most effective and least i…
View article: Comment on nhess-2022-240
Comment on nhess-2022-240 Open
Abstract. In 2012, Italy was struck by a seismic crisis characterized by two main shocks (ML 5.9 and 5.8) and relevant liquefaction events. Terre del Reno (Emilia-Romagna Region) is one of the municipalities that experienced the most exten…
View article: Brief communication: PERL: a dataset of geotechnical, geophysical, and hydrogeological parameters for earthquake-induced hazards assessment in Terre del Reno (Emilia Romagna, Italy)
Brief communication: PERL: a dataset of geotechnical, geophysical, and hydrogeological parameters for earthquake-induced hazards assessment in Terre del Reno (Emilia Romagna, Italy) Open
In 2012, Italy was struck by a seismic crisis characterized by two main shocks (ML 5.9 and 5.8) and relevant liquefaction events. Terre del Reno (Emilia-Romagna Region) is one of the municipalities that experienced the most extensive lique…
View article: Seismic Resilience Assessment Strategy for Social and Sustainability Impact Evaluation on Transportation Road Network: A Seismic Liquefaction-Induced Damage Application
Seismic Resilience Assessment Strategy for Social and Sustainability Impact Evaluation on Transportation Road Network: A Seismic Liquefaction-Induced Damage Application Open
Transport networks play a critical role for living communities, as they facilitate the exchange of people and goods and foster economic growth. Improving their resilience against seismic hazards, among which liquefaction is by far one of t…
View article: Hybrid Machine Learning Models for Soil Saturated Conductivity Prediction
Hybrid Machine Learning Models for Soil Saturated Conductivity Prediction Open
The hydraulic conductivity of saturated soil is a crucial parameter in the study of any engineering problem concerning groundwater. Hydraulic conductivity mainly depends on particle size distribution, soil compaction, and properties that i…
View article: Settlements and angular distortions of shallow foundations on liquefiable soil
Settlements and angular distortions of shallow foundations on liquefiable soil Open
The huge impact caused by liquefaction during past earthquakes has raised the need for predictive formulas applicable at the large scale to forecast the movement in the foundation caused by the seismic liquefaction phenomenon in sands. A m…
View article: Automatized CPT-based soil profile characterization for liquefaction susceptibility assessment
Automatized CPT-based soil profile characterization for liquefaction susceptibility assessment Open
<p>The huge impact caused by liquefaction during past earthquakes stimulates the interest of researchers in investigating the factors ruling the susceptibility of subsoil and the triggering conditions. The concern of stakeholders rai…
View article: An integrated approach for engineering - geological modelling in view of seismic microzonation
An integrated approach for engineering - geological modelling in view of seismic microzonation Open
<p>Terre del Reno is a municipality in the Emilia-Romagna Region (Italy) that experienced relevant liquefaction events during the 2012 seismic crisis, which was characterised by two main shocks (ML 5.9 and 5.8). &#160;Such events…
View article: Artificial neural network optimized by differential evolution for predicting diameters of jet grouted columns
Artificial neural network optimized by differential evolution for predicting diameters of jet grouted columns Open
A novel and effective artificial neural network (ANN) optimized using differential evolution (DE) is first introduced to provide a robust and reliable forecasting of jet grouted column diameters. The proposed computational method adopts th…
View article: PERL: A multilevel strategy for liquefaction hazard assessment in complex stratigraphic successions
PERL: A multilevel strategy for liquefaction hazard assessment in complex stratigraphic successions Open
<p>In May and June 2012, Emilia region (Italy) was struck by a seismic crisis characterized by more than 2000 earthquakes with two main shocks (20 May and 29 May events with ML 5.9 and 5.8, respectively) and several earthquake-induce…
View article: Experimental Evidence of the Effectiveness and Applicability of Colloidal Nanosilica Grouting for Liquefaction Mitigation
Experimental Evidence of the Effectiveness and Applicability of Colloidal Nanosilica Grouting for Liquefaction Mitigation Open
The low viscosity and the ability to control solidification rate make colloidal nanosilica grout an excellent ground-improvement solution which is functional for different engineering purpo...
View article: Insights into bedrock paleomorphology and linear dynamic soil properties of the Cassino intermontane basin (Central Italy)
Insights into bedrock paleomorphology and linear dynamic soil properties of the Cassino intermontane basin (Central Italy) Open
Seismic amplifications are dictated by the depth of the bedrock and the stratigraphy and dynamic properties of the soil deposits. Quantifying these properties, together with their uncertainty, is a necessary task to perform a reliable asse…
View article: SPATIAL VARIBILITY OF CPT DATA FOR LIQUEFACTION ASSESSMENT
SPATIAL VARIBILITY OF CPT DATA FOR LIQUEFACTION ASSESSMENT Open
The seismic liquefaction is often responsible for the major part of the economic losses caused by earthquakes. Usually damages involve the foundations of buildings, bridges, embankments, underground constructions and are widely diffused ov…
View article: Guidelines and codes for liquefaction mitigation by ground improvement
Guidelines and codes for liquefaction mitigation by ground improvement Open
Ground improvement has become one of the most effective tools of geotechnical engineering, being adopted for an always larger variety of civil engineering applications. To reduce the role of subjective choices of operators, the use of diff…
View article: Risk analysis of the built environment: understanding strengths and weaknesses of both quantitative and qualitative methodologies
Risk analysis of the built environment: understanding strengths and weaknesses of both quantitative and qualitative methodologies Open
Strategies to protect built environment against natural disasters changed over the past decades to focus more broadly on the consequences for the community. Several quantitative and qualitative methods were proposed for risk assessment and…
View article: LOW PRESSURE GROUTING WITH NANOSILICATES TO REDUCE THE LIQUEFACTION SUSCEPTIBILITY OF SAND
LOW PRESSURE GROUTING WITH NANOSILICATES TO REDUCE THE LIQUEFACTION SUSCEPTIBILITY OF SAND Open
The paper reports an experimental laboratory study aimed at investigating the effectiveness of low pressure grouting with nano-silica compounds as a remedial against liquefaction of sandy soils and to optimize the technique rendering it mo…
View article: Determination of the critical state of granular materials with triaxial tests
Determination of the critical state of granular materials with triaxial tests Open
While the Critical State Locus (CSL) determined from triaxial compression tests is commonly adopted for the constitutive modelling of soil, the validity of the locus for other stress paths needs to be proved. Several authors have tried to …
View article: Reliable Definition of the Characteristic Strength of Jet Grouted Soils by Random Field Theory
Reliable Definition of the Characteristic Strength of Jet Grouted Soils by Random Field Theory Open
The jet grouted soils are very heterogeneous and thus the statistical methods normally used to define strength of artificial construction materials become extremely conservative. To quantify the mechanical effects of variability on the cha…
View article: Experimental Investigation of Compacted Sand-bentonite Mixtures
Experimental Investigation of Compacted Sand-bentonite Mixtures Open
An experimental investigation was carried on sand-bentonite mixtures, prepared with various proportions of its components. The samples were compacted by Standard Proctor procedure, in order to simulate the in situ placement method employed…
View article: Micromechanical Study of Cyclically Loaded Sands with x-ray Microtomography and Digital Image Correlation
Micromechanical Study of Cyclically Loaded Sands with x-ray Microtomography and Digital Image Correlation Open
The response of granular soil upon cyclic loading and its many practical implications have been the subject of several past experimental and theoretical studies. However, the visual observation of samples reveals a complex pattern of inhom…