Rc Details of Drain
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H B Q=DISCHRAGE IN CUMEC MANNING'S COEFF FOR CONCRETE N=0.014 V=VELOCITY IN M/S A=AREA OF CROSS SECTION OF DRAIN P=PERIMETER OF DRAIN=2D+B R=A/P S=LONGITUDINAL SLOPE, GENERALLY 1IN 500 TO 1IN 750 Drain dia rea(sq.cm Spacing Perimeter No wt/m L 10 0.7854 200 c/s 3.5 6 21 0.6165 12.947 8 0.5027 200 L 1 19 19 0.3946 7.4971 8 0.5027 200 L 1 19 19 0.3946 7.4971 Q = A 1 N R 2 3 S 1 2
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TYPICAL METHODS OF SIZING OF HIGHWAY AND PLANT DRAINS BASED ON MANNINGS EQUATION AND WITH RC DETAILS
Transcript of Rc Details of Drain
H B
Q=DISCHRAGE IN CUMECMANNING'S COEFF FOR CONCRETE N=0.014V=VELOCITY IN M/SA=AREA OF CROSS SECTION OF DRAINP=PERIMETER OF DRAIN=2D+BR=A/PS=LONGITUDINAL SLOPE, GENERALLY 1IN 500 TO 1IN 750
Drain
dia Area(sq.cm)Spacing Perimeter No wt/m L
10 0.7854 200 c/s 3.5 6 21 0.61654 12.9473
8 0.50265 200 L 1 19 19 0.39458 7.4971
8 0.50265 200 L 1 19 19 0.39458 7.4971
Q=A 1NR23 S
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10 0.7854 250 c/s 3.5 5 17.5 0.61654 10.7894
38.7309 kgs
Cover Slab Total Weight= 3600 X 38.73= 139.431 MT
dia Area(sq.cm)
8 0.50265 200 c/s 1 6 6 0.39458 2.3675
8 0.50265 200 L 1 6 6 0.39458 2.3675
8 0.50265 200 c/s 1 6 6 0.39458 2.3675
8 0.50265 200 L 1 6 6 0.39458 2.3675
9.47002
Total Weight= 3600 X 9.47= 34.0921 MT
Total quantity of steel=Dtrain+Cover Slab= 173.523 MT
