Designers and contractors frequently encounter difficulties when using beams for the assessment of postcrack pcrfomumcc in fiberÂreinforced 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) and a multi rude of European national standards.