New Techniques on Soft Soils is a compilation of the lectures and keynote lectures presented at the Symposium on New Techniques for Design and Construction in Soft Clays held in Guarujá, Brazil, between May 22 and 23, 2010. The book covers a wide range of updated techniques on several topics, such as site investigation, vertical drains, surcharge, piled embankment, granular piles, deep mixing, monitoring and performance.

Soft soils present particular challenges to engineers and an understanding of the specific characteristics of these soils is indispensable. Laboratory techniques such as numerical modelling, theoretical analysis and constitutive modelling give new insights into soft soil material behaviour, while large-scale testing in the field provides important information in areas such as slope stability and soft soil improvements. This collection of papers from the Fourth International Conference on Soft Soil Engineering, Vancouver, 2006, presents an international appraisal of current research and new advances in engineering practices, illustrating the theory with relevant case studies. Geotechnical professionals, engineers, academics and researchers working in the areas of soft ground engineering and soft soil engineering will find this a valuable book.

GSP 112 contains 37 papers representing the state of the practice in soft ground engineering presented at the Soft Ground Technology Conference, held in Noordwijkerhout, the Netherlands, May 28-June 2, 2000.

The book reviews recent developments and research results on excavations and foundations found in and on soft soil deposits. It gives an overview of the material properties of soft soils and offers new foundation improvement techniques in road and railways. It also examines different types of foundations and stabilization methods. The book will serve both practicing and research engineers in the field of geotechnical engineering.

Natural soft soils are very complex materials. As construction activities increasingly take place in poor ground conditions, ground improvement is often required. However, design practices for ground improvement were for long at best crude and conservative, and at worst unsafe. Although new construction and field observation techniques have been de

The geosynthetic encased column (GEC) is a relatively recent method developed for soft soil improvement. The method was firstly introduced as a concept in the 1980s and first practical applications started in the 1990s. GECs have been widely used in some parts of the world for the last three decades. However, there is no book in the literature summarizing the knowledge accumulated during this period in relation to this soft ground improvement technique. The purpose of this book is to provide readers with the GEC fundamentals and practical applications. Chapter 1 presents the general principles of this ground improvement technique including the methods used for GEC installation and how the material properties may be selected. Chapter 2 presents the design methods, thus settlement calculations by means of analytical methods and stability calculations by limit equilibrium methods are explained in detail. Chapter 3 presents calculation examples illustrating the usual steps to be done for both service limit state and ultimate limit state designs. Then field performances exemplifying practical applications of the GEC technique are presented in Chapter 4 for some case histories. Following numerical analyses, often used in design to complement analytical methods, are presented in Chapter 5. Annexes I and II at the end contain the charts developed to perform settlement calculations. The book combines the experiences of four authors with different academic and industry backgrounds to describe GEC design and performance. It is aimed at civil engineers in general, particularly geotechnical engineers, either working in design or in practice, at graduate students, and at senior undergraduate students.

A comprehensive practical manual covering all aspects of this field, this book covers everything from the pre-design stage up to, and including, the actual use (including maintenance) of the completed structures. Much attention is given to the calculation methods available for design and construction, including establishing the soil parameters required, with emphasis placed on probabilistic safety analysis. This informative book includes an inventory of: · the properties of natural types of soil, secondary materials, and light-weight materials · raising and filling construction methods · techniques and methods to speed up consolidation and limit deformation Compiled by researchers from Fugro, Delft Geotechnics and several other Dutch contractors, it includes useful appendices focusing on particular points of interest from the preceding chapters.