Beam

Data Span between two concrete beams = 3.80 m Diameter of main pipe 1400 mm Diameter of secondary pipe 700 mm Secondary pip 700 mm W = own weight of pipe 300 + weight of water + otweigh of channe! = 0."#0 0."# 0 $ 4.%# + 3.14 $&0.700' $&0. 700' " $ 4.%# + &spposed (.)* channe! 300mm'0.04"$1.8 4 = 1.03+ 1.03# +0.083 = ".781.t , = W = ".781 = 1.%31 t " " -ma = 1.3%1 $ 1.0= 1.113 mt " /hoice of sec  ssme compact sec f b = 1.#3 ,2cm " S = - = 1.113$100 = 40.3 /m 3 7".41 cm3 b 1.#3 /hoose (.).* channe! 180 S = 1#0cm 3 /hecs of sec  1' b = - = 1.113$ 1 .113$10 10" = 0.74" 51.#3 t2cm " safe S 1#0 "' 6act = 6 = 0.% &h"c'$S$0.8# &18"$".3#'$0.%#$0.8# &18"$".3#'$0.%# $0.8# = 0.0# 5 0.84 safe 3' a . =

# W 4 $ 10" 384 9:

0

5 *( 1.391÷ 1.6) * 1.6 4 * 106 = 384 * 2100 *3600 = 0.010 < 1.6*100 =0.53 safe 300 U.P.N U.P.N channel 180 safe

/conves!on/"#$/sca"ch/359996635.%oc

!

&a!n $!$e 1400 ## ' = on e!h" of $!$e 1400  e!h" of a"e  on e!h" of channel = 1.06 * 0.25  3.14 *(1.400) 2 * 4.25s+$$ose% UPN channel 400 ## *0.0,9*1.8 4 = 4.505  6.539  0.129 = 11.1,3 "

&#a- = 5.58, * 1.60 = 4.4, #" 2 ho!ce of sec  ss+#e co#$ac" sec f  = 1.536 " / c# 2 - = & = 4.4, * 100 = 291.02 c# 3   1.536 hoose U.P.N channel


240 s - = 300 c#

3

hecs of sec"!on  1)   = & = 4.4, * 10 2 = 1.49 < 1.536 "/c# 2 s300 2) ac" =  = 5.025 (h2c)**0.85 (242*2.8)* 0.95*0.85 = 0.3,6 < 0.84 3)

safe

l.l = 5 '7 4 * 102 $== 384  :

=

5 384

: ( 11.1,3÷ 1.6 )* 1.6 4 *106 *2100*3600

= 0.0,9 < 1.60*100 = 0.533 300 ( . ) . * "40 safe


safe

safe

$

)!ate with thicness not ess than 10 mm

nchor  ; = 2400 ' = 1.391  11.,3 = 13.12 "  fo one ancho = 13.12 = 6.56 " 2

ea of ancho =

P * 1.5 - 1000 = ; * 0.85

= 4.1,4 c#2  =  >2 4 4.82 = 3.14* > 2 4 > = 2.4,8 a > of ancho 32 ##


5.6,6*1.5 - 1000 2400*0.85

Beam

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