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Design and construction considerations

Research output: Chapter in Book/Report/Conference proceedingChapter (peer-reviewed)peer-review

Relict glacial and periglacial environments are widespread, and the deposits that they are associated with mean it is inevitable that the design and construction of many projects will be influenced by their presence and nature. Tills and other glaciogenic deposits prove to be particularly challenging in this context for reasons that include: the spatial variability of the nature of the deposits; the wide range of particle sizes often included within a given soil, including large-sized particles; spatial variation in soil type and properties; variation in depth to rockhead and variable degrees of weathering and alteration; the presence of groundwater, that is misinterpreted as perched water, as well as sub-artesian and artesian conditions; the presence of solution features and fissures, partly or completely infilled with soft or loose material; and the presence of (often shallow) shear surfaces at residual strength. In this chapter, some of the more common problems and associated solutions associated with earthworks and man-made slopes, tunnels and underground structures, dams and reservoirs, foundations, and offshore engineering and installations are reviewed. It is important that great care is taken in addressing the influences of variability, complexity and uncertainty inherent in glacial/periglacial soil formations at all stages of the construction process, from feasibility to end-of-project activities, such as preparation of the as-built drawings.
Original languageEnglish
Title of host publicationEngineering Geology and Geomorphology of Glaciated and Periglaciated Terrains: Engineering Group Working Party Report.
Subtitle of host publicationEngineering Group Special Publication
EditorsJames Griffiths, Christopher Martin
Place of PublicationLondon
PublisherGeological Society of London
Pages831-890
Number of pages60
Volume28
ISBN (Print)978-1786203021
DOIs
Publication statusPublished - 18 Oct 2017

Publication series

NameGeological Society, London, Engineering Geology Special Publications

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