00 DP Inclined

Samaple

Hydraulic Calculation of Drop Structure

Canal Name S"r$c"$re No.

Sido!ar"o %S!2a

C#ainage Inclined Drop &ype 2 Calc$la"i Calc$la"ion on o' dimension o' Drop s"r$c"$re s"r$c"$re

G$ H

H$ %G$

Hc

@ Gd

He

Hd

Hd-

%Gd #D

%G( Bps"ream C#annel

Ipproc# Canal

 

&ransi"ion Do.ns "ream Canal G"

S"illing %asin

Ga

Gs

1 Demension and Hydra$lic Condi"ions Design Disc#arge :5 0e$ired Drop Heig#" @ 5

4.82 m3,sec 1.88 m

Bps"ream Canal %o""om id"# Side Slope 1m a"er Dep"# a"er S$r'ace id"# Flo rea 2HmA2>1 Hydra$lic 0adi$s 0 5 ,P 0o$g#ness Coe''icien" 0o$g#ness Coe''icien" L Hydra$lic Mradien" I 5n <,0 A2,3EA

=nergy Ge)el a"er a"er Ge)el e)el Floor Ge)el

%$ 5 m5 H$ 5 $ 5 $ 5 <$ 5 #)$ 5 =$ 5 P$ 5 0$ 5 n5 L5 I$ 5

H

2.8 2 8.91374 6.1496 3.94192 1.816643 8.82733 8.966473 6.;637 8.68836 8.8142;6 78 8.888416

Dons"ream Canal %d 5 m5 Hd 5 d d 5 d d 5
2.8 2.88 8.91374 6.1 3.94192 1.816643 8.82733 8.966473 6.;637 8.68836 8.8142;6 78 8.888416

 No"c# "o (e pro)ided * +es,No &#roa" s#ape/ 0ec"ang$lar*/ &rapeoidal* id"# o' pening % 5 %$ Disc#arge per id"#  5 :,% Cri"ical a"er dep"# #c 5 Cri"ical #)c 5

 Nn 0e 2.8 1.68; 8.6413; 2.8789 8.32869 8.96287

2-

Calc$l Calc$la"i a"ion on o' Cri"ic Cri"ical al a"er  a"er  dep"# 'or "rapeoidal canal

hc  

S"illing %asin id"# %o 5 3.2 0ec %o 5a % 3.2 a 1.2 in principle5 1.3 &rape %o 5 % > 2md 5 3.98  No"c# #eig#"ning c 5 H$ > #)$ ?#)c?#c 8
say m

3.2 m

say

8.888 m

=nd sill #eig#" d S"a"ic #ead a" "#e end o' s"illing (asin Hn 5 Pene"ra"ion dis"ance S 5 Hn,Sin q < max 5

8.32869 1 .3 2 1.764211 4.4271;9

say m m m

Horion"al dis"ance o' a"er 'all G S"illing (asin leng"# Gs 5 3.8 G

2.22;6 m 6.7;;1 say

S"a"ic press$re P 51.8 %o HnA2 5 J 5 1.8 :
.63277 1.;1681 8.1;4424

&ransi"ion leng"# G" 54 d Geng Geng"# "# o' appr approa oac# c# cana canall Ga

1.488 m 4.28 4.2874 7491 91 say say

3 1  2mh  , b Q 2 c 3 1  mhc  ,  b  gb2

#c5 #c-5 #c ? #c-5

8.497497; 8.497393 ?4.11=?86

3 Dimension C#ec! 'or Inclined &ype Cri"ical slope Ic

m m m 8.38 m

7.888 m

8.8837 1,Ic 278.3; 2.312 m 8.2;33 m

Speci'ic =nergy H( 5 H>@>d a"er dep"# a" =nd C#$"e #e m#e#eE )e?)e-

.672 m,s .672 m, m ,s ?6=?86 "arge" 8

Fro$de N$m(er Fr5)e,g#eA8.E Con$ga"e dep"# #d#d-58.1>;FrA2A8.?1E#e x 1.8

3.48;

S"illing %asin Geng"# Gs 56.17 x #dsay

7.913 m ;.888 m

1.2384 m

o! 

4.8 4.88 8 m

4 S"illing %asin Dimensions 4?1 Geng"# Gar Garger ger )al$ )al$ee o' re$ re$ir ired ed leng leng"# "# )er )er"i "ica call or incl inclin ind d ;.888 m 4?2 &ransi"ion leng"# 1.488 m

" Bps"ream Canal " Drop Cres" " S"illing %asin " Dons"ream Canal =G$ 5 G$ ? #i 5 188.83 =G =Gc 5 Gc > #)c 5 188.84; =Gd 5 =G$ ? @ 5 99.83 G$ 5 =Gi ? #)i #)i 5 188.888 Gc5 %Gc > #c 5 99.72; G( 5 %G( > Hn 5 99.83 Gd 5 =Gd ? #)d 99.888 %G$ 5 Gi ? Hi5 99.8;6 %Gc 5 %G$ 5 99.8;6 %G( 5 %Gc ? @ ? d 5 97.736 %Gd 5 Gd ? #)d 5 9;.8;6  No"c# =le)a"ion 5 99.8;6

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366397432.xlsHydro DP Inclined