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Soil nailing in glacial till : a design guide evaluation based on Irish and American field sites
Author(s)
Date Issued
2010
Date Available
2012-05-11T16:24:11Z
Abstract
The French in-situ earth retaining system soil nailing began in 1970 and benefited greatly from that government’s investment in the 1986 study ‘Clouterre’. As such, French geology strongly influenced both practice and expectations world wide over the past four decades. Yet, recent studies in glacial till, a non-French soil type, have shown significant strength under-estimation using conventionally accepted design approaches. The paper reconsiders skin friction expectations for soil nail installations in glacial till. Installation at three glacial till sites (one American and two Irish) are examined in detail. Traditional British, French, and American de-sign methods and parameters are applied. Conventional methods under-predicted capacity by more than 50%, thereby raising serious questions as to the appropriateness of such design guidelines in glacial tills. New correlations based on pile installation design are proposed.
Sponsorship
Other funder
Other Sponsorship
National Science Foundation
Type of Material
Conference Publication
Publisher
American Society of Civil Engineers
Copyright (Published Version)
2010 American Society of Civil Engineers
Keywords
Subject – LCSH
Soil nailing
Drift
Excavation
Language
English
Status of Item
Peer reviewed
Part of
Finno, R.J., Hashash, Y.M.A., Arduino, P. (eds.). Earth Retention Conference 3 : Proceedings of the 2010 Earth Retention Conference August 1–4, 2010 Bellevue, Washington
Conference Details
2010 Earth Retention Conference August 1–4, 2010 Bellevue, Washington
ISBN
978‐0‐7844‐1128‐5
This item is made available under a Creative Commons License
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