Useful notes for civil engineers

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Useful notes for civil engineers UNIT WEIGHT water-1000kg/m3 cement-1440 " steel - 7850 " wood - 1200 " sand - 1840 " P.C.C - 2400 " R.C.C - 2500 " UNIT CONVERSION 0.3048 M = 1 ft 1 m2 = 10.76 sq.ft 2.83m3 =100 C.F.T 1 C.F.T = 28.7 litres 1 cent = 435.6 sq.ft 1ground =2400 sq.ft GRADE OF CONCRETE M10 = lean mix M15 = 1:2:4 M20 = 1:1.5:3 M25 = 1:1:2 Weight. OF STEEL 6 mm = 0.22 kg/m 8 mm = 0.39 " 10 mm = 0.62 " 12 mm = 0.89 " 16 mm = 1.56 kg/m
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