Chapter 23

Implementation and Performance of Stone Columns at Penny’s Bay Reclamation in Hong Kong

Suraj De Silva    Maunsell Geotechnical Services Limited, Hong Kong


During the 1980s, and particularly in the 1990s, many reclamations were carried out in Hong Kong to provide land for various development projects, such as the New Towns, the port, and the airport facilities and infrastructure, thereby reclaiming land well away from the original shoreline and in deeper waters. The seabed surrounding Hong Kong comprises thick deposits of highly compressible very soft marine and alluvial clays and silts. Generally, the top layers of mud are contaminated, requiring special measures during dredging, handling, and disposal. The contaminated ...

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