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UndergroundStructuralInternationalMoab Khotsong Mine, A Mining Engineer’s Perspective on the Application of Steel Fiber Reinforced Wetcrete as a Support Medium in an Ultra Deep Level Mine, Part 1

Jon Buckley

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A Mining Engineer’s perspective on the Application of Steel Fiber Reinforced Wetcrete as a Support Medium in an Ultra Deep Level Mine.

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InternationalRound Determinate Panel Testing in Australia

E. Stefan Bernard

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Designers and contractors frequently encounter difficulties when using beams for the assessment of postcrack pcrfomumcc in fiber­reinforced shotcrcte (FRS). llie most conimon bea,n test used in Nonh Anierica is the ASTM C-1018 procedure (AST!vl 1997), although alternatives exist, including the Japanese SF-4 procedure (JSCE 1984)

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UndergroundInternationalShotcrete for Underground Support in Brazil

Pedro Boscov

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Shotcrete has been used in Brazil since the 1950s, mainly in minor works of slope stabilization and repairs in concrete structures. It was only in the 1960s that it started to be used in underground work. The Furnas Hydroelectric Project had some sections of its

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UndergroundInternationalShotcrete Applications at Northparkes E26 Mine

Stephen Duffield, B.Sc.

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Shotcrete was used extensively during construction of Northparkes E26 Underground Mine, Australia’s first block cave mine. Applications for the shotcrete included ground support, ground control, construction, safety, protection of equipment and remedial repairs. This article details the various uses for the 16,700 m3 (22,000 yd3)