Abstract
High Performance Polymer fibres for reinforcing shotcrete are a relatively new development in concrete reinforcing fibre technology. This paper traces the development of these fibres types, and presents a review of fibre properties. The testing methods developed to characterize their behavior in shotcrete are discussed. The performance of various High Performance Polymer fibre types, shapes and lengths in shotcrete are discussed relative to the testing methodology employed to describe them. Recent case studies of applications of wet-process shotcrete for ground support are presented and application and specification issues, based on the performance of these fibres, are presented.
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