Abstract

This paper addresses soil reinforcement techniques employing semi- rigid inclusions called nails, hence the term soil nailing. It was intuitively applied for the first time in Brazil in 1970 by tunnel contractors in Sao Paulo. Since then, several soil nailed structures have been constructed successfully. The development of methods of analysis in Europe and North America is reviewed; the application of those methods in Brazil has led to more economical and safer structures. This paper briefly presents the historical development and the use of soil nailing in Brazil. Differences and similarities with traditional techniques are discussed and some examples are given. (A)

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