books.google.co.uk - A valuable source of reference on the current practices of analysis, design and construction of tunnels and underground structures in soft ground. This collection of reviewed papers covers a wide range of tunnelling practice, from deep excavations in Singapore to the construction of a new metro line...http://books.google.co.uk/books/about/Geotechnical_Aspects_of_Underground_Cons.html?id=0P19OPlcHyoC&utm_source=gb-gplus-shareGeotechnical Aspects of Underground Construction in Soft Ground
