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30 R E L A S T ® D E S I G N M A N U A L Installation conditions Installed condition Lower edge of reinforcement Installation conditions Installation from bottom Drill hole depth Stepped drill hole drilling h 1 257 mm *Total drill hole length h 1 1 170 mm *Drill hole length for Ø 16 h 1 2 87 mm *Drill hole length for Ø 22 d 01 16 mm d 02 20 mm h nom 247 mm t ov 47 mm A Loads V Ed 775 kN Minimum reinforcement m Ed x η x * V Ed EN 1992-1-1 6 4 5 NA6 1 1 0 125 * 775 kN 96 88 kNm m m Ed y η y * V Ed EN 1992-1-1 6 4 5 NA6 1 1 0 125 * 775 kN 96 88 kNm m a sx min 1000 * m Ed x 0 9 * d * f yd 0 125 0 9 * 268 mm * 434 78 Nmm² 923 77 mm² m a sy min 1000 * m Ed y 0 9 * d * f yd 0 125 0 9 * 254 mm * 434 78 Nmm² 974 68 mm² m ρ x a sx min 10 * d 0 354% ρ y a sy min 10 * d 0 3734% ρ min √ ρ x * ρ y < max 0 02 0 5 f cd f yd Boundary 1 0 02 Boundary 2 0 016 ρ min √ 0 353 * 0 353 0 364% 4 DESIGN EXAMPLES PUNCHING SHEAR REINFORCEMENT