46th Terzaghi Lecture: Geosynthetic Reinforced Soil: From the Experimental to the Familiar
Publication: Journal of Geotechnical and Geoenvironmental Engineering
Volume 143, Issue 9
Abstract
The paper begins with a historical review of reinforced soil technology, beginning with nature and the ancients, the development of Terre Armée or Reinforced Earth by Vidal and Lee, and ending with the early uses of geotextiles for soil reinforcement in France, Sweden (Wager and Broms), and the United States (U.S. Forest Service, Federal Highway Administration, J. R. Bell, T. A. Haliburton, B. R. Christopher, and others). Then the advantages and basic behavior of geosynthetic reinforced soil (GRS) are described. An overview of current design procedures, modified with the results of analytical research conducted at the University of Washington, leads to practical suggestions for dealing with creep, pullout, and backfill drainage. Next the properties of reinforcement geosynthetics are discussed, and important conclusions of research on soil–geosynthetic interaction at the University of Washington are presented. Although GRS is quite a mature development, a few technical and several professional issues remain. The technical issues are relatively straightforward but the professional issues are not: they are costly, potentially tragic, and threaten a wonderful technology and our profession. Some suggestions as to what the profession can do about these issues are given.
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Acknowledgments
Finally, I want to acknowledge with sincere thanks my former professors, colleagues, and bosses (including former Terzaghi Lecturers Jorg Osterberg, Raymond Krizek, Gerald Leonards, and Clyde Baker), as well as many former students, all of whom taught me geotechnical and geosynthetic engineering; my UW colleagues, Steve Kramer and Pedro Arduino, who are still courageously trying to teach me modern developments in geotechnical engineering; the Geo-Institute Board for this honor; my wife, Cricket Morgan, for her patience and support throughout the years; and the Journal of Geotechnical and Geoenvironmental Engineering reviewers and editors, for their thorough reviews and very perceptive comments that have helped me significantly to improve the paper.
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Information & Authors
Information
Published In
Journal of Geotechnical and Geoenvironmental Engineering
Volume 143 • Issue 9 • September 2017
Copyright
©2017 American Society of Civil Engineers.
History
Received: Aug 24, 2015
Accepted: Nov 10, 2016
Published online: May 19, 2017
Published in print: Sep 1, 2017
Discussion open until: Oct 19, 2017
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