Author: Mourad Karray

LABORATORY MEASUREMENT APPROACH FOR ANISOTROPY IN CHAMPLAIN CLAYS
Amin Torabipour, Yannic Ethier, Mourad Karray

A PPV-Strain-Based method for evaluating clay softening due to construction vibrations
Mohamed Saadallah, Sarah Bouchard, Antony Gagné, Mourad Karray

Numerical simulation of Frost Heaving Stresses on Piles Constructed in Cold Regions Using a Simplified Approach
Haytham Ahmed, Mourad Karray

Comparative Numerical Study of Constitutive Models for Pile Foundations in Liquefiable Soils under Seismic Loading
Amr ME Abdelaal, Mourad Karray

Modern correlation for SPT-N and Vs to predict the in-situ Dr based on geotechnical parameters of cohesionless soils
Michael Ghali, Michael Snow, Simon Grenier, Mohamed Chekired, Mourad Karray

Laboratory characterization of the stress-strain behavior of varved silty clay specimens from the Barlow-Ojibway deposit
Samuel Barbeau, Marie-Lin Bréard Lanoix, Michaël Demers Bonin, Anne-Marie Dagenais, Mourad Karray

Experimental assessment of shear modulus reduction curve for granular soils
Ibrahim Lashin, Mustapha Abdellaziz, Mohamed Chekired, Mourad Karray

Evaluation of Cyclic Softening in Cohesive Soils of Eastern North America
Mustapha Abdellaziz, Ibrahim Lashin, Mourad Karray

Earthquake-induced permanent deformations of earthfill dams from conventional to novel energy-based approaches
Samaneh Amirpour, Noureddine Ghlamallah, Mourad Karray

Seismic Assessment of Embankment Dams Using a Novel Energy-Based Approach
Samaneh Amirpour Harehdasht, Noureddine Ghlamallah, Mourad Karray

Geotechnical Characterization of a Glacio-Lacustrine Clay Deposit of the Abitibi Region – Case Study
Michaël Demers Bonin, Marielle Limoges Shaigetz, Nicolas Pépin, Dennis E Becker, Mourad Karray

Comparative analysis of Hydro-Station liquefaction potential: A case study
Claudine Nackers, Noureddine Ghlamallah, Mahmoud N Hussien, Chekired Mohamed, Mourad Karray

Evaluation of liquefaction resistance of a silty soil using DSS and TxSS tests
Betegard Jeudy, Chekired Mohamed, Mourad Karray

A useful tool to evaluate the seismic stability of clayey slopes: the spectral pseudo-static approach
Jonathan Mole, Marie-Christine Delisle, Pascal Locat, Rémi Mompin, Catherine Ledoux, Mourad Karray

A laboratory-based study correlating the large-strain static constrained modulus to the small-strain shear modulus for clean sands
Ibrahim Lashin, Michael Ghali, Mohamed Chekired, Mourad Karray

Experimental observation of a soft clay consolidation behavior using constant-rate-of-strain (CRS) test
Emad Maleksaeedi, Mathieu Nuth, Mourad Karray

Toward the post-seismic settlement assessment in the laboratory
Aya Bayoumi, Chekired Mohamed, Mourad Karray

The Piezo-electric Ring Actuator technique (P-RAT) – 16 years of progress
Guy Lefebvre, Kamal Khayat, Mahmoud N Hussien, Ahmed Mhenni, Mohamed Ben Romdhane, Siwar Naji, Nancy Soliman, Deyab Gamal El-Dean, Ibrahim Lashin, Michael Ghali, Julien Anglade, Jerome Lapierre, Harlette Tchabacha, Walid Challouf, Yannic Éthier, Dania Elbeggo, Quentin Lecuru, Guillaume Dion, Mourad Karray

Effects of frequency content on dynamic slopes stability for Eastern Canada clays
Jonathan Mole, Mahmoud N Hussien, Marie-Christine Delisle, Pascal Locat, Rémi Mompin, Catherine Ledoux, Mourad Karray

Assessment of the effect of specimen size and confinement method on the results of simple shear test
Mustapha Abdellaziz, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Liquefaction assessment from laboratory tests on undisturbed and reconstituted silty soil specimens
Betegard Jeudy, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Measurement of Hydraulic Conductivity Variation in Post Seismic Behavior of Sand Using TxSS
Aya Bayoumi, Mohamed Chekired, Mourad Karray

Application of a novel oedometer setup for performing constant-rate-of-strain (CRS) test on soft soils
Emad Maleksaeedi, Mathieu Nuth, Michael Demers Bonin, Mourad Karray

Effect of frequency, strain ratio and specimen preparation on pore pressure generation of a silty soil at Sorel
Betegard Jeudy, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Use of shear wave velocity to assess liquefaction potential of silty till along the new Champlain Bridge Project Corridor in Montreal
Mahmoud N Hussien, Betegard Jeudy, Mohamed Chekired, Simon Grenier, Mourad Karray

Variation of liquefaction potential curves in CTX and TxSS tests
Marwan Khashila, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Physical and mechanical characterisation of hydraulically deposited tailings using shear wave velocity
Louis-Philippe Grimard, Michael James, Ahmed Mhenni, Mourad Karray

The influence of back pressure on the cyclic resistance of tailings using the triaxial-simple shear device
Xavier Archambault-Alwin, Michael James, Mohamed Chekired, Mourad Karray

Analysis of cyclic testing of tailings using the triaxialsimple shear (TxSS) apparatus
Xavier Archambault-Alwin, Michael James, Mohamed Chekired, Mourad Karray

Incorporation of the spectral pseudo-static procedure into the limit equilibrium slope stability software - SVSLOPE
Mahmoud N Hussien, Fady Ghobrial, Murray Fredlund, HaiHua Lu, Rob Thode, Mourad Karray

Use of TxSS test for assessment of post seismic behaviour of soils
Aya Bayoumi, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Laboratory-based assessment of liquefaction potential of sandy soils using TxSS and P-RAT data
Samaneh Amirpour Harehdasht, Mahmoud N Hussien, Mohamed Chekired, Anna Chiaradonna, Mourad Karray

The role of lateral stress coefficient (K0) on Shear wave velocity correlations for Canadian Clays
Dania Elbeggo, Jean-Sébastien Dubé, Yannic Ethier , Mourad Karray

Assessment of the effect of loading frequency on cyclic behaviour of sensitive clay
Mustapha Abdellaziz, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

3D sensitivity analyses of the factors affecting the estimation of the small-strain shear modulus from RC outcomes
Ibrahim Lashin, Mahmoud N Hussien, Mohamed Chekired, Mourad Karray

Non-intrusive characterization of soils below pavements using Rayleigh waves
Ahmed Mhenni, Simon-Pierre Tremblay, Bruno Paquet-Bouchard, Mourad Karray

Variation of the stress reduction coefficient between Eastern and Western regions of North America
Eliane Harpin, Mahmoud N Hussien, Mourad Karray

Anomaly detection under roads by the multi modal analysis of Rayleigh waves (MMASW)
Mahmoud N Hussien, Bruno Paquet-Bouchard, Mourad Karray, Yannic Ethier

Small strain stiffness and stiffness degradation curve of sensitive Champlain clay
Mahmoud N Hussien, Mohamed Chekired, Mourad Karray, Yannic Ethier

Importance of the coherence between geophysical and geotechnical data in estimating the dynamic response of soils
Mahmoud N Hussien, Mohamed Chekired, Mourad Karray, Yannic Ethier

Effective stress analysis of liquefaction potential using a novel approach based on the energy concept - case study
Mahmoud Hussein, Mohamed Chekired, Simon Grenier, Mourad Karray

Numerical Study on the Effect of Particle Grading on the Triaxial Shear Response of an Idealized Granular Assemblage from Micro to Macro
Amirpour Harehdasht Samaneh, Mahmoud N Hussien, Mohamed Chekirad, Varvara Roubtsova, Mourad Karray

ANALYZING THE MACRO AND MICRO-SCALE RESPONSE OF AN IDEALISED GRANULAR MATERIAL IN DIRECT SHEAR TEST USING 3D-DEM SIMULATIONS AND EXPERIMENTAL INVESTIGATIONS
Samaneh Amirpour Harehdasht, Mahmoud N Hussien, Varvara Roubtsova, Mohamed Chekired, Mourad Karray

LABORATORY INVESTIGATION ON THE EFFECT OF GRAIN SIZE DISTRIBUTION OF GRANULAR MATERIAL ON CONE PENETRATION TEST RESULTS
Michael Ghali, Mohamed Chekirad, Varvara Roubtsova, Mourad Karray

FINITE ELEMENT MODELLING OF STONE COLUMN INSTALLATION: REVIEW OF MODELLING PRACTICES AND CASE STUDY WITH PLAXIS 2D
Olivier Hurley, Mathieu Nuth, Mourad Karray

ASSESSMENT OF COMPATIBILITY BETWEEN EXISTING LIQUEFACTION CHARTS IN EASTERN REGIONS OF NORTH AMERICA
Mahmoud Nasser, Mohamed Chekired, Mourad Karray

EVALUATION OF EQUIVALENT CYCLE LIQUEFACTION CONCEPT BASED ON TXSS TEST RESULTS
Marwan Khashila, Mahmoud Hussien, Mohamed Chekired, Mourad Karray

NUMERICAL STUDY FOR SOIL-SPRING STIFFNESS OF PILE GROUP
Lassaad Hazzar, Admir Pasic, Mourad Karray

3D MODELING LATERALLY LOADED BATTERED PILES IN SAND
Lassaad Hazzar, Mahmoud Nasser Hussien, Mourad Karray

FAILURE MECHANISMS OF UNDERGROUND STRUCTURES DURING EARTHQUAKE: AN OVERVIEW
Ahmed Mahmoud, Mahmoud Hussien, Mohamed Chekired, C Bessette, L Jinga, Mourad Karray

MICROZONAGE SISMIQUE DE LA VILLE DES CAYES À HAÏTI
Betegard Jeudy, Patrick Paultre, Mourad Karray

IMPROVEMENT OF THE PIEZO-ELECTRIC RING ACTUATOR TECHNIQUE (P-RAT) USING 3D NUMERICAL SIMULATIONS
Ahmed Mhenni, Mourad Karray

CORRELATION BETWEEN ELASTIC MODULUS AND SHEAR WAVE VELOCITY AT LARGE STRAIN LEVEL
Mohamed Ben Romdhan, Mahmoud N Hussien, Mourad Karray

INFLUENCE OF PARTICLES SHAPE, SIZE AND UNIFORMITY OF SANDS ON THE VOID RATIO RANGE AND CONSEQUENTLY ON THE DYNAMIC PENETRATION TESTS RESULTS
Michael Ghali, Mohamed Chekirad, Varvara Roubtsova, Mourad Karray

MINIMIZING SCALING EFFECT ON THE MEASURED VS USING THE P-RAT
Mohamed Ben Romdhan, Mahmoud N Hussien, Mourad Karray

EVALUATION OF SEISMIC KINEMATIC AND INERTIAL FORCES IN PILES
Mahmoud Hussien, Tetsuo Tobita, Susumu Iai, Mourad Karray

DEVELOPMENT OF SPECTRAL PSEUDO-STATIC METHOD FOR DYNAMIC CLAYEY SLOPE STABILITY ANALYSIS
Fady Ghobrial, Marie-Christine Delisle, Catherine Ledoux, Mourad Karray

NON-DESTRUCTIVE INSPECTION OF THE SURFACE OF UNDERGROUND STRUCTURES BASED ON THE PROPAGATION OF SURFACE WAVE
Simon-Pierre Tremblay, Mohamed Chekired, Carole Bessette, Livius Jinga, Mourad Karray

EVALUATION OF DSS TEST RESULTS ON GRANULAR SOILS BASED ON TXSS RESULTS
Mahmoud Hussien, Mohamed Chekired, Mourad Karray

EXPERIMENT SETUP FOR SIMPLE SHEAR TESTS IN A TRIAXIAL CELL: TXSS
Mohamed Chekired, Réjean Lemire, Mahmoud Hussein, Mourad Karray

Effects of non-linear soil-structure interaction on dynamic characteristics of structures supported on piles
Mahmoud N Hussien, Tetsuo Tobita, Susumu Iai, Mourad Karray

Influence of pullout loads on the lateral response of pile foundation
Mahmoud N Hussien, Tetsuo Tobita, Susumu Iai, Mourad Karray

Laboratory investigation on the effect of grain size distribution of granular material on penetration test results
Michael Ghali, Mahmoud N Hussien, Mohamed Chekirad, Varvara Roubtsova, Mourad Karray

The use of piezoelectric ring-actuator technique (P-RAT) in shear wave velocity measurement in granular media
Mohamed Ben Romdhan, Mahmoud N Hussien, Mohamed Chekirad, Varvara Roubtsova, Mourad Karray