Deep and underground excavations : proceedings of sessions of GeoShanghai 2010, June 3-5, 2010, Shanghai, China

The pressure exerted by the population increase, the sensitivity toward the environment, and the ever-increasing cost of the land, are just some of the reasons why underground excavations are necessary to societys health and futureproviding room for services, transportation of people and goods, water supply and disposal, sanitation, and storage.