Flume Design (rc Beam Usd)

** FLUME DESIGN ** SINGLE REINFORCED RECTANGULAR BEAM (USD) Canal‚ W= 300 mm Width‚b = 240 mm fy = Depth‚d = 350 mm fc' = Bot. Dep.= 120 mm Span‚ L = 6.0 m DEAD LOAD = 3,503.35 n/m LIVELOAD = 12,949.20 n/m SIESMIC LOAD = 808.88 n/m ULTIMATE LOAD‚ Wu =

345 Mpa 20.7 Mpa

28,293.42 n/m

ULTIMATE MOMENT‚ Mu =

127,320.38 n - m

Balance Design‚ Pmax. = Plim. = 1.4/fy bd^2 = 0.024923 m^3

0.0206429 0.0040580

Try: b = 0.24 m Effective Depth‚ d =

322.25 mm

d‚ computed ‹ d‚ assumed, OK!!!! SAFE As = Mu/.90*fy(d-a/2) As = Pbd

P = As/bd

1,595.31 sq.mm.

a =Pfy*d/.85*fc'

1,596.53 sq. mm. Try: dia. Mm

Area

20

314.16

0.019006

P > Plim. OK P ‹ Pmax. OK

No. of Bars 5.08

130.44 mm

SINGLE REINFORCED RECTANGULAR BEAM (WSD) GIVEN:

fc' = fs = n = fc =.45fc'

13.79 Mpa 124.2 Mpa 12 6.206 Mpa

DESIGN LOAD‚ W =

17,261.42 n/m

WORKING MOMENT‚ Md = WL^2/8 k = n/(n+fs/fc) j = 1 - k/3 R = (fckj)/2

12,946.07 n - m

0.3748 0.8751 1.0177

bd^2 = M/R

12,720,977.50 sq. mm

Try: Width‚ b = Depth‚ d =

240 mm 230.23 mm

As = M/fsjd

517.40 sq.mm

Try:Bar dia. Area:sq.mm. 12

113.10

No. of Bars 4.57

d‚ Computed ‹ d‚ Assumed‚ OK