Geotechnics of High Water Content Materials





Background

Construction on marginal lands is becoming increasingly necessary for economic reasons. Founda- tion soils for these projects, such as soft clays and peats, typically have high water content, high com- pressibility, and low shear strength. There is also considerable interest in the economic and environ- mentally safe disposal of high water content waste materials. Applications in which waste materials can be reused beneficially take on even more importance. The successful design, construction, opera- tion, and in some cases reclamation of such projects involve predictions of geotechnical behavior in terms of hydraulic conduction, settlement, and shear strength, often as a function of time. This, in turn, requires reliable material characterization and modeling that accounts for differences in behav- ior as compared to conventional soils. Likewise, there is a need for laboratory and field tests to mea- sure material properties and, in some cases, a need for specialized techniques of construction.



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