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This book gathers the most recent scientific research on the geological, geotechnical and geophysical aspects of slope failure in sensitive clays. Gathering contributions by international experts, it focuses on understanding the complete and practical spectrum of challenges presented by landslides in such complex materials. Based on sound and validated research results, the book also presents several recommendations that could be implemented in the guidelines or code-of-practice. These recommendations cover topics including the characterization and behavior of sensitive clays; the pre-failure, failure and post-failure stages of sensitive clays; mapping and identification methods; climate change; hazard assessment; and risk management. Sensitive clays are known for their potential for causing large landslides, which pose a serious risk to human lives, infrastructure, and surrounding ecosystems within their reach. This has been demonstrated by the recent catastrophic landslides in e.g. Sørum (2016), Skjeggestad (2015), Statland (2014), Byneset (2012), St-Jude (2010), Lyngen (2010) and Kattmarka (2009). The 2015 collapse of the Skjeggestad Bridge in Norway – which was due to a landslide in sensitive clay – alone costs millions of dollars in repairs. Recently, efforts are being made to increase society’s ability to cope with such landslide hazards. Geoscientists are now expected to provide input to the agencies responsible for landslide-risk preparedness. In other words, geoscientists’ role is not only to act as technologists to establish new theories, but also to go the extra mile to implement them in practice, so as to find meaningful solutions to geotechnical problems.
Landslides in sensitive clays represent a major hazard in the northern countries of the world such as Canada, Finland, Norway, Russia, Sweden and in the US state of Alaska. Past and recent examples of catastrophic landslides at e.g. Saint-Jean-Vianney in 1971, Rissa in 1979, Finneidfjord in 1996 and Kattmarka in 2009 have illustrated the great mobility of the remolded sensitive clays and their hazardous retrogressive potential. These events call for a better understanding of landslide in sensitive clay terrain to assist authorities with state-of-the-art hazard assessment methods, risk management schemes, mitigation measures and planning. During the last decades the elevated awareness regarding slope movement in sensitive clays has led to major advances in mapping techniques and development of highly sophisticated geotechnical and geophysical investigation tools. Great advances in numerical techniques dealing with progressive failure and landslide kinematic have also lead to increase understanding and predictability of landslides in sensitive clays and their consequences. This volume consists of the latest scientific research by international experts dealing with geological, geotechnical and geophysical aspects of slope failure in sensitive clays and focuses on understanding the full spectrum of challenges presented by landslides in such brittle materials.
A comprehensive, one-stop synthesis of landslide science, for researchers and graduate students in geomorphology, engineering geology and geophysics.
During the 1973 Annual Meeting of the Transportation Research Board (formerly Highway Research Board) participants in a symposium on shear strength of fine- grained soils during construction discussed the measurement of field strength and other indicative parameters, and how best to use these data to control construction. Four papers presented during this symposium and two additional papers on related subjects, have been published in this issue of the record.
Richly illustrated and supplemented by numerous graphs and tables, the book is based on eleven revised and edited state-of-the-art reports originally delivered at an International Symposium on Soft Clay held in Bangkok.
Proceedings of a symposium at the 1987 INQUA Congress, Ottawa, Aug. 1987. Contributions present the application of quaternary studies to land use planning and development. No index. Annotation copyright Book News, Inc. Portland, Or.
This book was written with the objective of providing geotechnical engineers with a practical guideline on how to cope with landslides as well as of acquaint ing them with the present state of physical fundamentals and scientific expla nations for the phenomenon of landslides. The book is based on my personal experiences, gathered over decades of work as geotechnical engineer on construction sites in Austria and many other parts of the world, which I also use in my lectures at the Technical University of Graz, Austria. The method of stabilizing lands lides by short-circuit conductors has been developed by myself and has been patented in Germany and Italy. A number of publications already exists (see References) on this method, and of course I also deal in this book with its theoretical and practical aspects. Here I want to thank my assistants, Messrs. J. Dalmatiner, K. Eigenberger, E. Garber, H. Kienberger, R. Pötscher, and W. Prodinger, for working with me on various projects and for assisting me in the drafting of some chapters of this book, Mr. A. Trippl for preparing the illustrations, and my wife for many a Sunday worked through with me.