Concrete strength, C35/45 C20/25 C25/30 C30/37 C35/45 C40/50 C45/55 C50/60   N/mm2     steel rebar, 460 485 500   N/mm2     cover to main rebars, 20 15 20 22 25 28 30 32 35 40 45 50 55 60   mm    

Width of panel, b = 1000 200 250 300 400 500 600 700 800 900 1000 1150 1200 1250 1600 1650 2100 2150 2200 2250 2400 2450 2500 2550 2600 2650 600 650 700 750 800 850 900 950 1000 1050 1100 1150 1200 1250 1300 1350 1400 1450 1500 1550 1600 1650 1700 1750 1800 1850 1900 1950 2000 2050 2100 2150 2200 2250 2300 2350 2400 2450 2500 2550 2600 2650 2700 2750 2800 2850 2900 3000 3050 3100 3150 3200 3250   mm     Slab height, h = 150 70 75 80 85 90 95 100 105 110 115 120 125 130 135 140 145 150 155 160 165 170 175 180 185 190 195 200 205 210 215 225 245 250 265 275 300 315 325 350 400 450 500 600 650 750 800 1000   mm     Age at loading, 28 1 3 7 28 100+   mm     Exposure, "indoor" "outdoor"   mm     duration of loading, "short term" "long term"   mm    

reinforcements diameter, 10 6 8 9 10 12 13 16 20 25 32 40 50   mm     spacing c/c = 150 50 55 60 70 75 80 90 100 110 125 150 175 200 210 215 225 230 250 275 300   mm    

Ult Moment, Mult = kNm/m