This paper presents an overview of various types of soils needing improvement and the various ground improvement techniques available. Factors influencing the choice of technique are discussed and this is followed by some applications of these techniques to different types of structure and soil conditions. Structures and facilities that have utilised ground improvement include roads and highways, railways, ports and airports, land reclamations, storage tanks, chemical plants, tunnels and residential buildings. The basis for choosing a particular technique for the project is explored, be it time, cost, technical performance or environmental considerations. It is shown that ground improvement is often the ideal foundation solution for such structures.
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