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Conference Proceedings

Tenth Australian Tunnelling Conference

Conference Proceedings

Tenth Australian Tunnelling Conference

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Developments in Determining the Performance of Steel Fibre Reinforced Shotcrete

Steel fibre reinforced shotcrete (SFRS) is increasingly being used as ground support in both civil and mining applications. In recent years, methods of assessing the performance of SFRS have been developed. These include the beam test such as that prescribed by ASTM C-1018 and the panel test prescribed in the EFNARC European Shotcreting Standard. The panel test has gained popularity in recent times due to the two-way action modelled in the test. However, some difficulties have been noticed. Shear failures sometimes occur and there appears to be a rather high degree of variability in the panel test results. A new method of testing panels has been proposed. A circular panel supported on three symmetrically arranged points has been assessed at the University of Western Sydney. This paper describes the new test which may be the basis of a new specification for the testing of toughness of SFRS and summarises research work which has been carried out to-date.
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  • Published: 1999
  • PDF Size: 0.17 Mb.
  • Unique ID: P199901040

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