A Comparative Study of Different Steel Fibers in Shotcrete

by David F. Wood, Univ of British Columbia, Vancouver, BC, Canada,
Nemy Banthia, Univ of British Columbia, Vancouver, BC, Canada,
J-F Trottier, Univ of British Columbia, Vancouver, BC, Canada,



Document Type: Proceeding Paper

Part of: Shotcrete for Underground Support VI

Abstract:

Two steel fiber reinforced shotcrete (sfrs) test programs have been carried out in eastern Canada using steel fibers which are available in the north American marketplace. The first program used the dry-mix shotcrete process, while the second shoot was carried out with wet-mix methodology. The goal of the study was to compare the performance of beams and cores taken from panels of sfrs shot under identical conditions. The intention was to remove as many variables as possible from the test program in order to generate a definitive study of the relative effects of different fibers. Results of the test program are presented together with a discussion on the test methods used.

Subject Headings: Fibers | Steel fibers | Shotcrete | Concrete beams | Fiber reinforced concrete | Steel beams | Materials processing | Canada

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