Articles

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Analytical and Numerical Modelling of Consolidation by Sand Drains beneath a Circular Embankment (with B. Indraratna and A. Aljorany), Faculty of Engineering - Papers (2008)
: In the analysis of axisymmetric problems, it is often imperative that aspects of geometry,...
 

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2D and 3D Numerical Modeling of Combined Surcharge and Vacuum Preloading with Vertical Drains (with B. Indraratna and J. Chu), Faculty of Engineering - Papers (2008)
This paper presents a three-dimensional (3D) and two-dimensional (2D) numerical analysis of a case study...
 

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Laboratory Modeling of Consolidation Behavior of Soft Clays Using Vacuum-Surcharge Consolidation Method (with B. Indraratna and M. Sakr), Faculty of Engineering - Papers (2008)
In this study, the large-scale apparatus used to examine vacuum preloading in conjunction with conventional...
 

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Soft ground improvement by vacuum-assisted preloading (with B. Indraratna), Faculty of Engineering - Papers (2007)
This paper describes the behaviour of soft soil foundation stabilized with vacuum-assisted preloading at the...
 

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Numerical modelling of soft soil stabilized by vertical drains, combining surcharge and vacuum preloading for a storage yard (with B. Indraratna and C. Jian), Faculty of Engineering - Papers (2007)
This paper presents a finite element analysis of a case study of a combined vacuum...
 

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Analytical solutions and design curves for vacuum-assisted consolidation with both vertical and horizontal drainage (with B. Indraratna), Faculty of Engineering - Papers (2007)
A system of vertical drains combined with vacuum preloading is an effective method for promoting...
 

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Reply to the discussion by Tran and Mitachi on “Analytical and Numerical Solutions for a Single Vertical Drain including the Effects of Vacuum Preloading" (with B. Indraratna and I. Sathananthan), Faculty of Engineering - Papers (2006)
The writers are grateful for the interest and the feedback provided by the discussers. Responses...
 

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Predictions and Performances of Prefabricated Vertical Drain Stabilised Soft Clay Foundations (with B. Indraratna), Faculty of Engineering - Papers (2006)
In this paper, the analytical solution for radial consolidation of soft soils is proposed considering...
 

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Analytical and Numerical Modeling of Soft Soil Stabilized by Prefabricated Vertical Drains Incorporating Vacuum reloading (with B. Indraratna, I. Sathananthan, and A. S. Balasubramaniam), Faculty of Engineering - Papers (2005)
This paper describes the analytical formulation of a modified consolidation theory incorporating vacuum pressure, and...
 

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Analytical and numerical solutions for a single vertical drain including the effects of vacuum preloading (with B. Indraratna and I. Sathananthan), Faculty of Engineering - Papers (2005)
A system of vertical drains combined with vacuum preloading is an effective method to accelerate...
 

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Radial consolidation of clay using compressibility indices and varying horizontal permeability (with B. Indraratna and I. Sathananthan), Faculty of Engineering - Papers (2005)
A system of vertical drains with surcharge load to accelerate consolidation by shortening the drainage...
 

Contributions to Books

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Predictions and observations of soft clay foundations stabilized with geosynthetic drains and vacuum surcharge (with B. Indraratna, A. S. Balasubramaniam, and V. Wijeyakulasuriya), Faculty of Engineering - Papers (2005)
This chapter starts with an introduction of a revised analytical model of radial drainage with...
 

Presentations

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Effects of Partially Penetrating Prefabricated Vertical Drains and Loading Patterns on Vacuum Consolidation (with B. Indraratna), Faculty of Engineering - Papers (2008)
In this study, numerical modeling of a multi-drain system is employed to determine the optimum...
 

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Vacuum consolidation effects on lateral yield of soft clays as applied to road and railway embankment (with B. Indraratna, G. McIntosh, and A. Balasubramaniam), Faculty of Engineering - Papers (2007)
The use of vertical drains with vacuum preloading is considered as the most effective and...
 

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Cyclic behaviour of PVD-soft soil subgrade for improvement of railway tracks (with A. Attya and B. Indraratna), Faculty of Engineering - Papers (2007)
The behaviour of saturated soft clays subjected to cyclic Loading is of considerable importance in...
 

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Soft Clay Stabilisation Using Prefabricated Vertical Drains and the Role of Viscous Creep at the Site of Sunshine Motorway, Queensland (with B. Indraratna and V. Wijeyakulasuriya), Faculty of Engineering - Papers (2007)
The Soft Soil Creep and the Soft Soil models are employed to analyse the behaviour...
 

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Soft clay foundation improvement with drainage and geo-inclusions, with special reference to the performance of embankments and transportation systems (with B. Indraratna, V. Wijeyakulasuriya, and A. S. Balasubramaniam ), Faculty of Engineering - Papers (2007)
In this paper, the geotechnical aspects of soft clay improvement using prefabricated vertical drains (PVDs)...
 

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Effectiveness of Vertical Drains in Dissipating Excess Pore Pressures Induced by Cyclic Loads in Clays (with A. Attya and B. Indraratna), Faculty of Engineering - Papers (2007)
The purpose of this paper is to investigate the effectiveness of Prefabricated Vertical Drains (PVDs)...
 

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Reconstruction Methods for Tsunami Affected Coastal Soils with Special Reference to Low-Cost Dwellings and Rail Tracks (with B. Indraratna and H. Khabbaz), Faculty of Engineering - Papers (2007)
The Boxing Day tsunami in December 2004 devastated several South and Southeast Asian countries. In...
 

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Analysis of Radial Vacuum-Assisted Consolidation Using 3D Finite Element Method (with B. Indraratna), Faculty of Engineering - Papers (2007)
In this study, a 3D numerical modelling of a single vertical drains consolidation incorporating vacuum...
 

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Soft Clay Stabilization with Geosynthetic Vertical Drains beneath Road and Railway Embankments: A Critical Review of Analytical Solutions and Numerical Analysis (with B. Indraratna and J. Chu), Faculty of Engineering - Papers (2007)
In the wide array of existing ground improvement schemes, the use of vertical drains with...
 

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Development and application of constitutive model for railway ballast (with B. Indraratna and W. Salim), Faculty of Engineering - Papers (2007)
This Discussion Paper includes an elasto-plastic stress-strain constitutive model developed at the University of Wollongong,...
 

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Radial consolidation theories and numerical analysis of soft soil stabilisation via prefabricated vertical drains (with B. Indraratna and R. Walker), Faculty of Engineering - Papers (2007)
In this paper, an analytical solution based on actual radial soil permeability and compressibility is...
 

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Stabilisation of rail tracks and underlying soft soil formations (with B. Indraratna and M. A. Shahin), Faculty of Engineering - Papers (2006)
Construction of rail tracks requires appropriate improvement techniques for ballast and underlying soft formation soil,...
 

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Performance and prediction of soft clay behavior under vacuum conditions (with B. Indraratna), Faculty of Engineering - Papers (2006)
This paper describes the behavior of soft soil foundation under vacuum-assisted preloading at the Second...
 

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Soft soil stabilisation with special reference to road and railway embankments (with B. Indraratna, V. Wijeyakulasuriya, M. A. Shahin, and D. Christie), Faculty of Engineering - Papers (2006)
Much of Australian railway tracks traverse coastal areas containing soft soils and marine deposits. Pre-construction...
 

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Analytical modeling and field assessment of embankment stabilized with vertical drains and vacuum preloading (with B. Indraratna and I. Sathananthan), Faculty of Engineering - Papers (2006)
This study presents an analytical model of radial drainage with vacuum preloading using compressibility indices...
 

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Elastic Visco-plastic Consolidation Modelling of Soft Clays Improved by Geosynthetic Vertical Drains (with B. Indraratna), Faculty of Engineering - Papers (2006)
In this paper, an elastic viscoplastic (creep) model is incorporated into the consolidation equation to...
 

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Three-Dimensional Analysis of Soft Soil Consolidation improved by Prefabricated Vertical Drains (with B. Indraratna), Faculty of Engineering - Papers (2006)
A system of prefabricated vertical drains (PVDs) with a surcharge load is an effective method...
 

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Stabilisation of Ballasted Rail Tracks and Underlying Soft Formation Soils with Geosynthetic Grids and Drains (with B. Indraratna, M. Shahin, and D. Christie), Faculty of Engineering - Papers (2006)
Railway ballast deforms and degrades progressively under heavy cyclic loading. Ballast degradation is influenced by...
 

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Improvement of soft clays using vacuum-assisted consolidation method (with B. Indraratna), Faculty of Engineering - Papers (2006)
In this study, the analytical modeling of one-dimensional consolidation by vertical drains with vacuum preloading...
 

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Developments in Geotechnical and Geo-environmental research in relation to low-lying floodplain improvement, with special reference to acidic soil improvement (with B. Indraratna, A. Golab, and M. Shahin), Faculty of Engineering - Papers (2006)
In many countries, the ever-growing demand for housing and tourism in coastal regions has forced...
 

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Tsunami affected Coastal Soil Disturbance and Implications on Reconstruction with Special Reference to Low-cost Dwellings and Rail Tracks (with B. Indraratna, M. Shahin, and H. Khabbaz), Faculty of Engineering - Papers (2005)
On 26 December 2004, the largest earthquake for more than 4 decades (magnitude 9.0) occurred...
 

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Analytical and numerical solutions for soft clay consolidation using geosynthetic vertical drains with special reference to embankments (with B. Indraratna, I. Sathananthan, M. Shahin, and H. Khabbaz), Faculty of Engineering - Papers (2005)
Good quality geologic materials for construction are also becoming scarce. Due to these reasons and...
 

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Laboratory Determination of Efficiency of Prefabricated Vertical Drains Incorporating Vacuum Preloading (with B. Indraratna), Faculty of Engineering - Papers (2004)
This paper is mainly concerned with a laboratory study to investigate the effect of vacuum...
 

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Mathematical modeling and field evaluation of embankment stabilized with vertical drains incorporating vacuum preloading (with B. Indraratna), Faculty of Engineering - Papers (2004)
This study presents the analytical modeling of vertical drains incorporating vacuum preloading in both axisymmetric...