diseo-de-bocatoma (1)

DISEÑO DE BOCAT
BO CATOMA
OMA
1. DISE
DISEÑO
ÑO DE BAR
BARRA
RAJE
JE..
a. Cálcul
Cálculoo de la Pantal
Pantalla
la (P):
(P):
0
LE
>>$
>
QD=2089.71 m³/e!.
2
1
"
Zr=25.00msnm
BARRAJE
Enr"c#$"
2
1
0
VENTANA DE CAPTACION
RIO
Zc
= 415.50 m.s.n.m.
Zr = 412.00 m.s.n.m.
nc
= 0.014
nr = 0.014 (m!"r#$"%
S
= 0.1 
S =1
&c = '5 m)s*

As+m,n$" +n# -"c,$#$ V c = 1./4' m)s # # nr#$# $ # -n#n# $ c##c,n3
n"ncs

-
An = &c =
V
'5 = 4.64 m7 ( 8r# n#%
1./4'
-
A9r+# = 1.10 An = 1.10(4.64% = 4' m7
-
C"ns,$r#n$" 4 -n#n#s $ 8r# A = 6m : 2m = 12 m7 c)+
A,c#n$" # Ec. $ Enr*;# nr  < 
Zr  <r  Vr7) 2* = Zc  <c  Vc7) 2*  0.50 ..............

P"r M#nn,n*
& = A R2) S 1)2
(n  r;"%3
9 = 4 m
(#%
n
( 4<r %2) (0.001%1)2
(4  2<r%2)
1000 = 4 <r
n
Rs"-,n$"
yr = 5.189 m
Vr = &D)A = 1000) (4:5.1'/% = 5.66' m)s

En"ncs
Vr7)2* = (5.66'%7 ) 1/.62 = 1.64 m
Rm#?#n$" "s -#"rs @##$"s n # Ec+#c,n (#%
412  5.1'/  1.64 = 415.5  < c  ('5 ) 24< c%7 : (1 ) 1/.62%  0.50
<c  0.6/ ) <c7 = 2.'2/
Rs"-,n$"
yc = 2.744 m

Vc = &c ) Ac = '5 ) (24:2.44%
⇒
Vc = 1.29 m/s

P = <r  Vr7 ) 2* = 5.1'/  1.64
⇒
P = 7.00 m
#. Cálculo de la Po$a D%%"ado&a ('a&&ae %o)

& = C  >2)
⇒
> = (&)C%2)
> = (1000 ) 2.20 : 4% 2)
He = 5.63 m

A,c#n$" # Ec+#c,n $ Enr*;# nr  < 
⇒ Zr  (P  >%  Vr7 )2* = (Z1  % <1  V17 ) 2*  @12
412  (  5.6%  1.64 = 40  < 1  (1000 ) 4< 1%7 (1 ) 1/.62%
<1  44.0/ ) <17 = 1/.2
Rs"-,n$"
y1 = 1.58 m

C8c+" $ # V"c,$#$
V1 = & ) A
⇒
V1 = 1000 ) ( 4 : 1.5'%
V1 = 18.615 m/s

C8c+" $ Nmr" $ r"+$
 = V1 ) √*<1
⇒
 = 1'.615 ) √/.'1:1.5'
F = 4.728

<2 = <1 (√'7  1  1% ) 2
⇒
<2 = 1.52(√'(4.2'%7  1  1% ) 2
y2 = 9.80 m

"n*,+$ $ P"?# $ D,s,#c,n
⇒
 = 6 (<2  <1%
 = 6 (/.'0  1.5'% = 46.15 m
L = 50 m

Ess"r $ "s# $ P"?# D,s,#$"r#
⇒
 = 0.15 (<2  <1%
 = 0.15 (/.'0  1.5'% = 1.2 m
t = 1.50 m
c. Cálculo de la Po$a D%%"ado&a ('a&&ae *o+%l)
0
&=125 m)s
<"
2
1
Z"
0
<1
1
2
9 = 4.5 m
s =F
n = 0.00
& = 125 m)s

⇒ > = (125 ) 2.20 : 2'.50% 2)
> = (&)C%2)
He = 9.11 m

A,c#n$" M#nn,n*
& =
(9<% 5) S1)2
(9  2<% 2) n
125 =
(P#r# scc,n rc#n*+#r%
(4.50<% 5) (0.0% 1)2
(4.50  2<% 2) (0.00%
Rs"-,n$"
y = 3.97 m

C8c+" $ # V"c,$#$
V=&)A
⇒
V = 125 ) ( 4.50 : ./%
V = 12.60 m/s

A,c#n$" # Ec+#c,n $ Enr*;# nr  < 
<2
⇒ Zc  >  V7 )2* = (Z 1  % <1  V17 ) 2*  @01
414  /.11  (12.60% 7) 1/.62 = 40  < 1  (125 ) 4.50< 1%7 (1 ) 1/.62%
<1  12.421 ) <17 = 24.20
Rs"-,n$"

y1 = 2.42 m
C8c+" $ # V"c,$#$ n 
⇒
V1 = & ) A
V1 = 125 ) ( 4.50 : 2.42%
V1 = 20.66 m/s

C8c+" $ Nmr" $ r"+$
 = V1 ) √*<1
⇒
 = 20.66 ) √/.'1:2.42
F = 4.24

<2 = <1 (√'7  1  1% ) 2
⇒
G2 = 2.42(√'(4.24%7  1  1% ) 2
Y2 = 13.36 m

"n*,+$ $ P"?# $ D,s,#c,n
⇒
 = 5 (<2  <1%
 = 5 (1.6  2.42% = 54.0 m
L = 60 m

Ess"r $ "s# $ P"?# D,s,#$"r#
⇒
 = 0.15 (<2  <1%
 = 0.15 (1.6  2.42% = 1.64 m
t = 1.80 m

C8c+" $ T,r#n $ r;" (A*+#s $9#!" $ # P"?# D,s,#$"r#%
& =
(9<% 5) S1)2
(9  2<% 2) n
225 =
(P#r# scc,n rc#n*+#r% ....... (9%
(6/.5<% 5) (0.0012%1)2
(6/.5  2<% 2) (0.05%
Rs"-,n$"
y = 10.04 m
2. D,-E DEL CL DE L,*P,
&c = 2 &c##c,n
⇒
&c = 2 ('5%

C"ns,$r#n$"
Qc = 170 m / s
9 = 5 m (#nc@" $ c#n# $ ,m,#%
n = 0.00
H = &c ) 9
⇒
H = 10 ) 5
q = 34 m³/s/m

C8c+" $ # n$,n $ c#n# $ ,m,#
Sc =
n7 *10)/
H2)/
Sc =
(0.00%7 (/.'1% 10)/
(4%2)/
3 * = /.'1 m)s7 (#c. r#-$#$%
(n$,n m8,m# $ #rr#sr%
Sc = 0.0052
N"# P#r#  $,sK" s "m#r8 +n -#"r $ Sc = 0.02

C8c+" $ ,r#n n  c#n# (En # Ec+#c,n (9%%
& =
(9<% 5) S1)2
(9  2<% 2) n
10 =
(P#r# scc,n rc#n*+#r% ....... (9%
(5<% 5) (0.02% 1)2
(5  2<% 2) (0.00%
Rs"-,n$"
y = 5.11 m
. *34- DE EC35*,E6

C8c+" $ # C+r-# $ Rm#ns" (C"ns,$r#m"s H+ "$"  #nc@" $ c#+c s 9#rr#!
L,!"%
1.02 Gn
Gn
Enr"c#$"
BARRAJE
&D = 225.00 m7)s
9 = 6/.50 m
n = 0.014
S = 0.001

C8c+" $ T,r#n (<n%
& = A R2) S 1)2
n
1000 = (9 <n% ( 9<n % 2) (0.001%1)2
n
(9  2<n%2)
Rm#?#n$" $#"s3 s "9,n
y = 5.90 m
C8c+" $ T,r#n Cr;,c" (< c%
&7 ) * = A ) T
⇒
&7 ) * = (9<c% ) 9
⇒
(225%7 ) /.'1 = 6/.507(< c%
yc = 5.39 m

+*" c#c+#m"s  ,r#n n # scc,n $ c"nr" H+ -,n # sr  9#rr#! P = .00
m3 >c = (& ) C%2)
<" = P  >c
> c = 225 ) (6/.50:2.20% 2)
Hc = 6.82 m
<" = .00  6.'2
y! = 13.82 m
E c8c+" $ rm#ns" s @#r8 $s$ < " = 1.'2 m @#s# +n ,r#n $#$" "r
< = 1.02 <n ⇒ < = 1.02 (5./0%
y = 6.02 m
CCL3-,E
#s $,mns,"ns $ #s sr+c+r#s $ # 9"c#"m# (9#rr#!3 -n#n# $ c##c,n3 nr"c#$"3 nc#+s#m,n"3 c.%
n" s"n ,*+#s # " ,sn3 s" s c#r"3 <# H+ #r#  #n8,s,s m#$" s"" s  @# @c@" $s$  +n" $
-,s# @,$r8+,c" s 9,n s#9,$" H+ #r#  $,sK" $ s#s sr+c+r#s s n$r8 n c+n# m+c@"s $#"s #s c"m"
""*r#L;#3 *""*;#3 r#ns"r $ s,$"s3 *"$,n8m,c#3 c.

# r*+#c,n $ c#+$# s#r8 n L+nc,n $ 9#rr#! m-, <# H+ c"n # m#n,"9r# < m#n!" $ s#s s n$r8 H+
m#nnr n n,- $ #*+# " ,r#n ,*+# # .00 m. c"n rsc" # 9#rr#! L,!" (&c##c,n = '5 m)s*.%

E c#+$# $ m8,m# #-n,$# c"ns,$r#$" s 2.25 m)s*. $ "s c+#s 125 m)s L+ +,,?#$" #r#  $,sK" $
9#rr#! m-, < #r#  9#rr#! L,!" s +,,? 1000 m)s* "9n,n$"s #s; $"s #s"s $,s,#c,n $ $,Lrns
"n*,+$s #$m8s  9#rr#! m-, +$ L+nc,"n#r (n c#s"s r#"r$,n#r,"s% c"m" -r$r".

# n$,n $ ,s"3 #*+#s #rr,9#3 $ 9#rr#! m-, s $ F3 <# H+ s" *nr#r8 +n# -#c+#c,n m8s r8,$# $
"s s,$"s < # # -? -#c+#r8 m#<"r c#+$# n c"m#r#c,n c"n  9#rr#! L,!".

D9,$" # #s ##s -"c,$#$s H+ s rsn#n #n" n  c#n# $ #r",m#c,n $ 9#rr#! m-, 3 "?#
$,s,#$"r# < c#n# $ ,m,# s H+ s @# nc@##$" c"n #!# $ r"c# *r#n"$,"r,,c# #n"  ,s" $ s#s sr+c+r#s
c"m" #r$s @#s# +n# #+r# $ 5.00 m.

A ,n,c," $ c#+$# $ ,m,# s  @# r"-,s" $ +n# n$,n $ 0 F #r# -,#r # s$,mn#c,n n s# ?"n#3
+*" ,n +n# n$,n +n,L"rm $ 2 F.
S @# c"ns,$r#$" 4 -n#n#s $ c##c,n c#$# +n# $ #s c+#s -# s*+,$" $ +n c#n# $ c"n$+cc,n "s c+#s
c"n-r*n @#c,#  n #$+c"r.