Intro
Contents
About the Editors
Improvement of Soft Clays Using Stone Columns with and Without Encasement
1 Introduction
2 Literature Review
3 Materials Used
3.1 Clay
3.2 Gravel
3.3 Sand
3.4 Leno-Netted Bag
4 Test Program
4.1 Load Test on Unreinforced Clay Bed
4.2 Load Tests on Stone Column
4.3 Load Tests on Encased Stone Column
5 Analysis and Discussion
5.1 Modulus of Elasticity of Clay from UCS Test
5.2 Single-Stone Columns of Diameter 6 and 7 cm
5.3 Single-Stone Column of 7 cm Diameter Using a Loading Plate of Diameter 6 cm

6 Conclusions
References
Geotechnical Properties of Soft Improved Ground from In Situ Time-Settlement Plots
1 Introduction
1.1 Mud Flats, South of Iraq [1]
1.2 Embankment on Soft Clay Treated with Sand Drains [3]
2 Results and Discussion
3 Conclusion
References
Settlement of a Square Footing on Dry Sand Bed Reinforced with Stone Columns Under Seismic Conditions: Effect of Frequency
1 Introduction
2 Materials and Method
2.1 Experimental Setup
2.2 Instrumentation
2.3 Materials Used
2.4 Model Preparation and Testing Procedure
2.5 Law of Similitude

3 Results and Discussion
4 Conclusions
References
Experimental Study on Parametric Influences of Stone Column Reinforced Foundation Systems
1 Introduction
2 Material and Methodology
2.1 Preparation of Clay
2.2 Preparation of Clay Bed
2.3 Preparation of Stone Column
2.4 Test Procedure
3 Results and Discussion
4 Conclusions
References
Stabilization of Soft Clay Using Nylon Fiber and Fly Ash
1 Introduction
2 Materials
3 Experimental Work
4 Results and Discussion
4.1 Soil Treated with Fly Ash
4.2 Comparison of Test Results
5 Conclusions

2 Experimental Program
2.1 Materials Used
2.2 Sample Preparation
2.3 Laboratory Experimentation
2.4 Methodology
3 Results and Discussion
3.1 Effect of Stabilization on Differential Free Swell Index
3.2 Effect of Stabilization on the Atterberg's Limits
3.3 Effect of Stabilization on Compaction Properties
3.4 Effect of Stabilization on CBR
3.5 Effect of Stabilization on Unconfined Compressive Strength
4 Conclusions
References
Enhancing the Engineering Properties of Black Cotton Soil by Using Magnesium Chloride
1 Introduction
2 Literature Review