n cana) rectan)ar de 1 m de ancoF se "n"c"a a) #"e de n c"manc"o Ke t"ene na #"so a )a cresta como se mestra en )a 5ra. 9"co c"manc"o t"ene )a m"sma )on"t de) cana) B con na cara de = 2F43 m sobre )a m"smaF debera descarar n cada) ) cana) sera eYcaPado en t"erra con n coe5c"ente de ros"dad n = 0F02 B e) re" debe ser sbcr"t"co. 9eterm"nar )a #end"ente necesar"a en e) cana) #ara Ke e) resa)to "dra)"co se "n"c"e as" como )a )on"td sando )a Horm)a de S"enc"n de )a *ona Ke debe rePest"rse. #erd"da de ener"a #or Hr"cc"on sobre e) c"manc"o 0F1 M 12/2.
-S! b= = = Q= n=
1 4.2 2.43 112. 0.02
H =
0.1
[m] [m] [m] [m3/s] [ad"m] M12/2
CC-*S-CS * C! _=(.G
o =
100.% 7m2
;o =
1.116 7m/s
9C *CC * **>! *o =
$.?$4 7m
(∗+ W,WW1 +2 W1 0F1∗(∗ +2/,2 W +2/,2W,WW1 +2
S": t = o
o =
Reem#)a*ando e "terando:
6.64 [m]
51 = 0.?23 7m
CC * --* C>!
〗+3=W +2/,W+2 ∗ W ∗+∗W2+2W2W1+2 /2 〗+3=,W1
Reem#)a*ando B reso)P"endo:
5c = 1.?60
Reem#)a*ando e "terando:
52 = 3.$36
CC * >- * *S,Se;n S"enc"n < =0 Ls
=
(
A * Y 2
−
A =
,Cana)es rectan
)
Y 1
s = 14.%8 m s E 1%.00 m CC * 9**-* "So#! =,(∗/ 〖 ∗�_ 〗+,23 +2
=∗_
&n = &2
.= 〖2∗ 〗_
Reem#)a*ando B reso)P"endo:
A = 4.8 [m2] = 22.2 [m]
So = 0.0008 7m/m
a)tra de 4F2 m ,de) d de cresta Ke e) anco ) Q = 112F m3/s. en en ZDo n"Horme Dsto a) #"e de )a ca"daF ,Cons"derar como
6.64 0.23
=
6.64 0.000
.34 3.63(
=
.33 0.001
7m
7m
)ares
n n cana) tra#e*o"da) Ke condce 1F3 m3/sF con n anco de so)era de b = 1 mF ta) ros"dad 0F014F se #rodce n K"ebre en s #end"ente camb"ando desde 0F008 sobr a 0F0004 en e) )ado aas abaDo como se mestra en )a 5ra.
Ca)c)ar e) #er5) de ZDo en e) tramo aas arr"ba desde e) K"ebre asta na secc"on conDado maBor &2 de) resa)to "dra)"coF sando:
*l metodo de tramos ('os -S! Q= b= *= n= So1 =
1.3 1 1 0.014
[m3/s] [m] [ad"m] [ad"m]
0.008 [m/m]
So2 =
0.0004 [m/m]
CC * S --*S +*S! -ramo 1! W /∗∗∗ =1/WWW+,2-3 W+,1-2 1WW1+2 ,,,W W1 /,W2W1 O,1W+2 +,2-3W+,1-2 ( ∗+ ∗WW1+2 (∗+∗
Reem#)a*ando e "terando:
5n1 = 0.3?4 7m W= = W //W
-ramo 2! W /∗∗∗ =1/WWW+,2-3W+,1-2
; =
2.%32 7m/s
(∗ + W ∗ (∗+∗ W2 O,1W+2 +,2-3W+,1-2 WW2+2 ,,,W W 2 W 2+2 /,W2
5n2 = 0.83$ 7m
Reem#)a*ando e "terando:
CC * --* C-C!
+2/=+3/ 〖(∗+) 〖�� 〗+2 〗+3/(2∗)∗
5c =
Reem#)a*ando e "terando:
CC * 9**-* C-C! _=∗+ WWWW 〖��〗+2
Ac = 0.6(4 [m2]
._=∗+ W2WWO,1W+2
c = 2.334 [m]
_=_/._
Rc = 0.2( [m]
_∗_ 〗+,23 +2 =,(∗/ 〖
Sc = 0.003% 7m/m
-9 * 9*:!
&
0.003
0.008
!"#o $%$
0.42
0.34
!"#o $1$
CC * --* C> +5 * * *S- @C "52#! ,cac"on enera) #ara cana)es tra#e*o"da)es ! +4,,"#2 !+3/2,,$# 2(#1 ! +2/2%# +2/2(# >&' (# 1! >&'(# 1+2=0
! = 〖 2/ 〖�〗 1 �〗 ' =+2/,21 # =1/(∗ 1
X =
&n2/0F34
r=
0.8
t=
2.66
Reem#)a*ando en )a ecac"on enera) e "terando:
52 = 0.%83 7m
S*CC * C-! &2 = 0.83 [m]
asta
0.%83
&n2 = 0.836 [m]
F
CC * 9*: +1! =,(∗/ 〖 �_ 〗+,23 +2 _ (2−1 @ =(1+2/2=
Y
A
P
R
V
0.5833
0.924
2.650
0.349
1.408
0.6339
1.036
2.793
0.371
0.6845
1.153
2.936
0.7350
1.275
0.7856 0.8362
V 2
E
Se
SEm
So - SE
0.101
0.684
0.0016
---
---
1.255
0.080
0.714
0.0012
0.0014
0.0066
0.393
1.128
0.065
0.749
0.0009
0.0010
0.0070
3.079
0.414
1.019
0.053
0.788
0.0007
0.0008
0.0072
1.403
3.222
0.435
0.927
0.044
0.829
0.0005
0.0006
0.0074
1.535
3.365
0.456
0.847
0.037
0.873
0.0004
0.0005
0.0075
2 g
p = 2$.206 7m
ongitud del 9er(l!
C03;. ,*/ 9*3:2/ 0.(00 -23.4-*S 0.800 0.00 0.600 0.=00 0.400 0.300 0.200 0.100 0.000 0
=
10
1=
20
2= /14
S" e) K"ebre en )a #end"ente camb"a desde 0F008 sobre e) )ado aas arr"ba a 0F004 e ca)c)ar e) #er5) de) ZDo en e) tramo aas abaDoF desde e) K"ebre asta na secc"on sea e) t"rante norma) en esta tramoF sando:
*l metodo por -ramos ('os !"rante #ara )a secc"on aas arr"ba:
5n1 = 0.3?4 7m
!"rante #ara )a secc"on aas abaDo:
So2 =
0.004 [m/m]
W /∗∗∗ =1/WWW+,2-3W+,1-2 (∗ + W ∗ (∗+∗ W2 O,1W+2 +,2-3W+,1-2 2WW2+2 ,,,W W 2 W 2+2 /,W2
5n2 = 0.4%3 7m
Reem#)a*ando e "terando:
S*CC * C-! 2 2=0F(( 〖�〗 Como:
&c &
52 = 0.446 7m
Eo se #rodce resa)to en e) K"ebre de )a #end"enteF entonce n RemansoF donde: &1 = &n1
CC * 9*:! 0.34
'
&
'
0.44(
=,(∗/ 〖 �_ 〗+,23 +2 _ (2−1 @ =(1+2/2=
Y
A
P
R
V
0.3737
0.513
2.057
0.250
2.532
0.3887
0.540
2.099
0.257
0.4037
0.567
2.142
0.4187
0.594
0.4338 0.4488
V
2
E
Se
SEm
So - SE
0.327
0.701
0.0080
---
---
2.408
0.296
0.684
0.0070
0.0075
-0.0035
0.265
2.294
0.268
0.672
0.0061
0.0065
-0.0025
2.184
0.272
2.188
0.244
0.663
0.0053
0.0057
-0.0017
0.622
2.227
0.279
2.090
0.223
0.656
0.0047
0.0050
-0.0010
0.650
2.269
0.287
1.999
0.204
0.653
0.0041
0.0044
-0.0004
2 g
ongitud del emanso!
r = 30.$13 7m
C03;. ,*/ 9*3:2/ 0.=00 -23.4-*S 0.4=0 0.400 0.3=0 0.300 0.2=0 0.200 0.1=0 0.100 0.0=0 0.000 0
=
10
1=
20
2=
30 /14>2-
)d * = 1F coe5c"ente de e) )ado aas arr"ba
Bo t"rante sea e)
1.300 0.34
=
1.300 0.000
0.4?2 7m
1.300 0.836
=
1.300 0.000
0.12 0.42
=
0.12 0.000
0.000 0.83
=
0.000 0.000
CrPa %1
5
F
0.83$
(_>(_ @
ΔE
ΔX
∑Δx=X
---
---
0
0.030
4.50950982
4.510
0.035
5.01984399
9.529
0.039
5 .352952 63
14.882
0.041
5 .581712 33
20.464
0.043
5 .744750 16
26.209
30 2-0,
e) )ado aas abaDoF donde )a #roHnd"dad
1.300
=
1.300
0.43
s se #rodce
(_>(_ @
ΔE
ΔX
∑Δx=X
---
---
0
-0.016
4 .674628 89
4.675
-0.012
4 .934883 27
9.610
- 0. 00 9
5 .3 70 94 41 5
1 4.9 80
- 0. 00 6
6 .2 74 39 24 7
2 1.2 55
- 0. 00 4
9 .3 57 67 69 3
3 0.6 13
3= 0,
0.000
Se t"ene n cana) de secc"on rectan)arF cBo anco de so)era es b = 2mF coe5c"ent B condce n cada) de 2F m3/s. n este cana) eY"ste na com#erta cBa abertra es a = 0F3 m B t"ene e) #er5) de H )a 5ra.
Cons"derando Ke )a abertra de )a Pena contra"da en )a com#erta es: B=CcVa dond na d"stanc"a 1FVa aas debaDo de )a com#ertaF se #"de: a Rea)"*ar e) estd"o de )os #er5)es de ZDo. b Ca)c)ar B d"bDar )as #er5)es.
-S! b= 2 n= 0.01 Q= 2. a= 0.3 Cc = 0.61 d= 1. a*S- *
[m] [ad"m] [m3/s] [m] Va
S 9*:*S * ::
CC * S --*S +*S! W /∗∗∗ =1/WWW+,2-3 W+,1-2
S1 = 0.001 [m/m]
W,WW,,,W ( W/,W2 (∗∗ W+,2-3W+,1-2 Reem#)a*ando e "terando:
W /∗∗∗ =1/WWW+,2-3 W+,1-2
S2 =
0.01
5n1 =
[m/m]
W,WW,,,W ( W/,W2 (∗∗ W+,2-3W+,1-2 Reem#)a*ando e "terando:
CC * --* C-C! 1 2
5n2 =
q = g -+ 1!
5c =
Yc
0.%42 7m
&n2 = &1 2=1F01 〖�〗
52 = 0.6$%3
*CC >** 9 *-*+ * --* -* C+9 2=O,2,G1>G2
〖 :
〗 2=/(∗
=∗
: =∗ : 2=/2 : 2=G2 :
G2=∗
9es#eDamos e) t"rante anter"or 1:
G1=+2/,2∗+2 +2 〖 � 〗+2 +∗
reem#)a*ando:
h1 =
1.6$1 7m
) #er5) ser7: 0.(6
'
&
'
1.(61
CC * 9**-* C-C! _=∗+) 〖 ��〗+2
Ac = 1.084 [m2]
._=2∗O,1+)+2
c = 3.084 [m]
_=_/._
=,(∗/ 〖 _∗_ 〗+,23 +2
Rc = 0.32 [m]
Sc = 0.0048 7m/m
Cc =
-9 * 9*:! 0.42
'
0.00 0.(6
'
0.001 &
!"#o $%$ !"#o $1$
-+ 2! CC =∗ @= CC =1F
d=
CC * --* C> +*! 2/2O,,2∗+2/(∗2 ( 2+2/4 〖 −�〗
,Cana)es Rectan)ares
Reem#)a*ando B reso)P"endo:
=/
51 = 0.2?2 7m
) #er5) ser7: 0.214
'
0.00 0.42
&
'
0.22
-9 * 9*:! 0.(6
0.001 &
!"#o $%$ !"#o $3$
-+ 3!
51 =
0.(46
&
0.42
-9 * 9*:! 0.22
'
0.00 &
'
0.001 0.42
!"#o $%$ !"#o $2$
-+ 4!
52 =
0.42
0.00 &
' '
&
0.426
-9 * 9*:! 0.426
'
0.01 0.42
!"#o $S$ !"#o $2$
CC * 9*: +1 "-ramo 1#! Y
A
P
R
V
0.9653
1.931
3.931
0.491
1.295
V
2
2 g 0.085
E
Se
SEm
So - SE
1.051
0.0010
---
---
1.1643
2.329
4.329
0.538
1.074
0.059
1.223
0.0006
0.0008
0.0002
1.3634
2.727
4.727
0.577
0.917
0.043
1.406
0.0004
0.0005
0.0005
1.5625
3.125
5.125
0.610
0.800
0.033
1.595
0.0003
0.0003
0.0007
1.7616
3.523
5.523
0.638
0.710
0.026
1.787
0.0002
0.0002
0.0008
1.9606
3.921
5.921
0.662
0.638
0.021
1.981
0.0002
0.0002
0.0008
C03;. ,*/ 9*3:2/ 2.=00 -23.4-*S 2.000
1.=00
1.000
0.=00
0.000 0
=00
1000
1=00
2000 /1
CC * 9*: +3 "-ramo 2#! Y
A
P
R
V
0.2135
0.427
2.427
0.176
5.855
0.2251
0.450
2.450
0.184
0.2367
0.473
2.473
0.2484
0.497
0.2600 0.2716
V 2
E
Se
SEm
So - SE
1.747
1.961
0.0782
---
---
5.553
1.571
1.797
0.0664
0.0723
-0.0713
0.191
5.280
1.421
1.658
0.0569
0.0616
-0.0606
2.497
0.199
5.033
1.291
1.540
0.0491
0.0530
-0.0520
0.520
2.520
0.206
4.808
1.178
1.438
0.0427
0.0459
-0.0449
0.543
2.543
0.214
4.603
1.080
1.351
0.0373
0.0400
-0.0390
2 g
p = 11.3%2 7m
ongitud del 9er(l! CC * >- * *S ,Se;n S"enc"n < =0 Ls
=
s =
(
A * Y 2
−
)
Y 1
3.421 m
>- -- * -+ 2!
A =
,Cana)es rectan
s = 3.421 [m]
on"td de) resa)to
# = 11.32 [m] d = 0.2 [m]
on"td de) #er5) ,Remanso on"td de )a Pena contra"da
t = 1%.268 7m
on. !ota) de) tramo 2
>- *S--* 9 * -+ 3! rest. = eGist. H t
eY"st. =
2(4
E
Se
SEm
So - SE
[m]
rest. =2?8.?0 7m V 2
Y
A
P
R
V
0.5421
1.084
3.084
0.352
2.306
0.271
0.813
0.0048
---
---
0.6229
1.246
3.246
0.384
2.007
0.205
0.828
0.0032
0.0040
-0.0030
0.7037
1.407
3.407
0.413
1.776
0.161
0.865
0.0023
0.0028
-0.0018
0.7845
1.569
3.569
0.440
1.593
0.129
0.914
0.0017
0.0020
-0.0010
0.8653
1.731
3.731
0.464
1.445
0.106
0.972
0.0013
0.0015
-0.0005
0.9461
1.892
3.892
0.486
1.321
0.089
1.035
0.0010
0.0012
-0.0002
2 g
de ros"dad n = 0F01 ndo como se mestra en
Cc = 0F61 B s"tado a
=
0.6%$ 7m
2.00 0.(6
2.00 0.000
=
0.422 7m
2.00 0.422
2.00 0.000
2 7m
-! O,2,G1>G2
0.61
CrPa %1
* B@B!
0.214 7m * BdB! ∗
0.%2% 7m
CrPa %3
0.64$ 7m
CrPa %2
0.42$ 7m
CrPa S2
ΔE
ΔX
∑Δx=X
---
---
0
0.172
794.94 3991
794.9 44
0 .1 83
3 61 .4 77 90 7
11 56 .4 22
0 .1 89
2 84 .4 87 95 5
1 44 0. 91 0
0 .1 92
2 53 .5 93 16 1
1 69 4. 50 3
0 .1 94
2 37 .4 30 58 7
1 93 1. 93 4
2=00 4>2-0,
ΔE
ΔX
∑Δx=X
---
---
0
-0.164
2.30033013
2.300
-0.139
2.28972412
4.590
-0 .11 8
2.2747 5257
6.86 5
-0.101
2.25545011
9.120
-0.087
2.2318 2184
11.35 2
)ares
ΔE
ΔX
∑Δx=X
---
---
0
0.015
-4.9569366
-4.957
0 .03 6
-20 .45 5056
-25 .412
0 .04 9
-48 .97 5393
-74 .387
0 .05 8
-11 3.70 566
-18 8.09 3
0 .06 3
-37 8.9 4653
-56 7.04 0
n cana) tra#e*o"da) con ta)d * = 1.F anco de so)era b = 1. mF coe5c"ente de ro #end"ente de 0F( o/ooF condce n cada) de 1.8 m3/s. n na c"erta secc"on deb"do a ) ado#ta na #end"ente de) 1\. Ca)c)ar e) #er5) de ZDo en e) tramo de menor #end"en donde se #rodce e) camb"o de #end"ente asta na secc"on aas arr"ba donde e) t"r )a #roHnd"dad norma)F sando:
*l metodo de tramos ('os
-S! b= n= Q= S1 = *= S2 =
1. 0.014 1.8 0.000( 1. 0.01
[m] [ad"m] [m3/s] [m/m] [ad"m] [m/m]
CC * --* +! =1/∗∗+,2-3∗+,1-2 +)∗_+2 ,,(∗_+)∗_+2 /(2∗_ O,1+)+2 +,2-3 ∗+,1-2
Reem#)a*ando e "terando:
5n = 0.$2? 7m
CC * --* C-C!
+2/=+3/ 〖(∗+) 〖 〗 〗+3/(2∗)∗ WWW〖+2
Reem#)a*ando e "terando:
CC * 9**-* C-C! _=∗+) 〖 ��〗+2
Ac = 0.(80 [m2]
._=2∗O,1+)+2
c = 3.124 [m]
5c =
_=_/._
Rc = 0.314 [m]
=,(∗/ 〖 _∗_ 〗+,23 +2
Sc = 0.0031 7m/m
-9 * 9*:! 0.003 0.62
'
&
'
0.000(
!"#o $%$
'
0.41
!"#o $2$
S*CC * C-! 1=0F((∗_
51 = 0.$21 7m
) #er5) ser7: 0.41
'
&
'
0.621
CC * 9*:! =,(∗/ 〖 �_ 〗+,23 +2 _ (2−1 @ =(1+2/2=
Y
A
P
R
V
0.4505
0.980
3.124
0.314
1.836
0.4845
1.079
3.247
0.332
0.5186
1.181
3.370
0.5526
1.287
0.5866 0.6206
V 2
E
Se
SEm
So - SE
0.172
0.622
0.0031
---
---
1.668
0.142
0.626
0.0024
0.0027
-0.0018
0.351
1.524
0.118
0.637
0.0018
0.0021
-0.0012
3.492
0.368
1.399
0.100
0.652
0.0015
0.0016
-0.0007
1.396
3.615
0.386
1.289
0.085
0.671
0.0012
0.0013
-0.0004
1.509
3.738
0.404
1.193
0.073
0.693
0.0009
0.0010
-0.0001
2 g
p = 22?.30 7m
ongitud del 9er(l!
C03;. ,*/ 9*3:2/ 0.
-23.4-*S
0. 0. 0. 0. 0. 0. 0. S2=0
S200
S1=0
S100
S=0 /14
9*: * : * * -+ * +5 9**-* *S* S*CC 9**-* @S- S*CC >S A * * --* *S 1I + CC * --* +ara na #end"ente de :
S2 =
0.01
[m/m]
=1/∗∗+,2-3∗+,1-2 +)∗_+2 ,,(∗_+)∗_+2 /(2∗_ O,1+)+2 +,2-3 ∗+,1-2
5n = 0.32$ 7m
Reem#)a*ando e "terando:
-9 * 9*:! 0.003 0.41
&
0.01
!"#o $S$
0.326
!"#o $2$
CC * 9*:! =,(∗/ 〖 �_ 〗+,23 +2 _ (2−1 @ =(1+2/2=
Y
A
P
R
V
0.3260
0.648
2.675
0.242
2.776
0.3509
0.711
2.765
0.257
0.3758
0.775
2.855
0.4007
0.842
0.4256 0.4505
V 2
E
Se
SEm
So - SE
0.393
0.719
0.0100
---
---
2.532
0.327
0.678
0.0077
0.0088
0.0012
0.272
2.321
0.275
0.650
0.0060
0.0068
0.0032
2.945
0.286
2.138
0.233
0.634
0.0048
0.0054
0.0046
0.910
3.035
0.300
1.978
0.199
0.625
0.0038
0.0043
0.0057
0.980
3.124
0.314
1.836
0.172
0.622
0.0031
0.0035
0.0065
2 g
p = 46.?6 7m
ongitud del 9er(l!
C03;. ,*/ 9*3:2/ 0.
-23.4-*S
0. 0. 0. 0. 0. 0. 0. 0. 0. S=0
S4=
S40
S3=
S30
S2=
S20
S1=
S10
0. S=
/14
s"dad n = 0.014 B con na to#ora5a de) terreno eF desde )a secc"on nte es 1\ menor Ke
0.4%1 7m
1.800 0.62
=
1.800 0.000
0.330 0.41
=
0.330 0.000
CrPa %2
(_>(_ @
ΔE
ΔX
∑Δx=X
---
---
0
0.004
-2.1802692
-2.180
0.011
-8.736176
-10.916
0.015
-20.60392
-31.520
0.019
-47 .013164
-78.534
0 .0 22
- 14 8.7 63 05
- 22 7.2 97
00 600 =00 400 300 200 100 000 0 2-0,
* S* 9C* * C+A * 5 J* * --* +.
1.800 0.326
CrPa S2
(_>(_ @
ΔE
ΔX
∑Δx=X
---
---
0
- 0. 04 1
- 35 .6 48 78 7
- 35 .6 49
- 0. 02 7
-8 .6 12 11 68
- 44 .2 61
- 0. 01 7
-3 .6 11 44 95
- 47 .8 72
- 0. 00 9
- 1. 52 68 32 9
- 49 .3 99
- 0. 00 3
- 0. 39 55 28 7
- 49 .7 95
=00 4=0 400 3=0 300 2=0 200 1=0 100 0=0 000 0
=
1.800 0.000
2-0,
n cana) tra#e*o"da) de anco de so)era b = 1. mF ta)d * = 1F t"ene na #end"ente coe5c"ente de ros"dad de 0.02. S" )a #roHnd"dad en )a secc"on es 1.2 m B en ) aas abaDo es 1.68 m. 9eterm"nar e) cada) en e) cana).
atos! b= n= S= &1 = &2 = *= Y =
1. 0.02 0.0004 1.2 1.68 1 (2
[m] [m/m] [m] [m] [m]
S*>K * +*- * S -+S :S! *n la seccion 1! 1=∗ 1+)∗ 1+2
A1 = 4.(0 [m2]
. 1=2∗1 O,1 +)+2
1 = .(( [m]
Reem#)a*ando en )a ecac"on:
*n la seccion 2! 2=∗ 2+)∗ 2+2
A2 = .342 [m2]
. 2=2∗2 O,1+)+2
2 = 6.22 [m]
Reem#)a*ando en )a ecac"on:
Cond"c"on:
C1 = C2
e 0.4 o/ ooF B n a secc"on ^ (2.0 m
) t"rante norma) de n cana) tra#e*o"da) #ara )as stes caracter"st"cas: b = 1 mF * = es 1 m. Y"ste na #resa Ke #rodce na crPa de remanso de a)tra 0. mF como s
Se K"ere determ"nar )a a)tra de) remanso en )a secc"on F s"tado a na d"stanc"a a #resaF sab"endo Ke esta s"tado 00 m aas arr"ba de )a secc"on ^F )a ca) t"ene de 0.3 m.
-S! b= n= & = *= So =
1 0.02 1 2 0.000
[m] [ad"m] [m] [m/m]
CC * C! =1/∗∗+,2-3∗+,1-2
=∗+)∗ +2
Ac = 3.000 [m2]
.=2∗O,1 +)+2 _=_/._
CC * --* 51!
c = .42 [m] Rc = 0.48 [m]
,Se;n e) metodo de )os tramos 5Dos