Hidraulicasegundafase.docx

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Usando como referencia las figuras geomΓ©tricas del cuadro, realizare los ejercicios requeridos.

1. n= 0.013(concreto) s= 0.0020

0.5m 0.9m

Área :

= by (0,9m) (0.5m) = 0.45m2

PerΓ­metro Mojado: = b+2y

Ancho Superior:

(0.9m) + 2 (0.5m) = 1.9 m

y= 0.5m

Radio HidrΓ‘ulico: =

𝑏𝑦

(0.9)(0.8) (0.9)+2(0.8)

𝑏+2𝑦

Profundidad HidrΓ‘ulica :

Hallando el Caudal (Q)

= 0.237m

y = 0.5m

-

Formula de Manning

S= 0.0015, n= 0.013 𝑨. π‘Ήπ’‰πŸ\πŸ‘ . π‘ΊπŸ\𝟐 𝑸= 𝒏

(𝟎. πŸ•πŸ). (𝟎. πŸπŸ–πŸ–)𝟐\πŸ‘ . (𝟎. 𝟎𝟎𝟐𝟎)𝟏\𝟐 𝑸= 𝟎. πŸŽπŸπŸ‘

El caudal es: 𝑄 = 0.593 π‘š3 \𝑠 Velocidad = Q/A = 1.317 m/s

2. n= 0.013(concreto) s=0.0015

1.0 2 m 2.5 m

Área:

= (2.5m + (2)(1))3 = πŸπŸ‘. πŸ“ π’ŽπŸ

(b + zy)y

PerΓ­metro Mojado: b + 2y(1 + z2)1/2 = 2.5 + (2)(1)(1 + 22)1/2 = 6.972 m Ancho:

b + 2zy = 2.5 + (2)(2)(1) = 6.5m

Radio HidrΓ‘ulico:

(𝒃+π’›π’š)π’š 𝟏

𝒃+πŸπ’š (𝟏+π’πŸ ) /𝟐 (𝒃+π’π’š)π’š

Profundidad :

USANDO :

𝒃+πŸπ’π’š

=

=

πŸπŸ“.πŸ“π’ŽπŸ 𝟏

𝟐.πŸ“+𝟐(πŸ‘) (𝟏+𝟐𝟐 ) /𝟐 πŸπŸ“.πŸ“ π’ŽπŸ

= 1.936 m

= 2.077m

𝟐.πŸ“+𝟐(𝟐)(πŸ‘)

Formula de Manning

S= 0.0013, n= 0.013 𝑨. π‘Ήπ’‰πŸ\πŸ‘ . π‘ΊπŸ\𝟐 𝑸= 𝒏

(πŸπŸ‘. πŸ“). (𝟏. πŸ—πŸ‘πŸ”)𝟐\πŸ‘ . (𝟎. πŸŽπŸŽπŸπŸ“)𝟏\𝟐 𝑸= 𝟎. πŸŽπŸπŸ‘

Donde Q es = 𝑄 = 62.475 π‘š3 \𝑠

Velocidad = Q/A = 4.62 m/s

3. n = 0.022 (metal ondulado) S = 0.0010

0.8 m 1.6

1.6

zy2

Área:

PerΓ­metro Mojado: Ancho:

= (0.8)(1.6)2 = 2.048 m2 2y (1 + z2)1/2

= 2(1.6) (1 + 0.82)1/2 = 4.098m

2zy = 2(0.8)(1.6) = 2.56 m

Radio HidrΓ‘ulico:

𝟏

𝟐 (𝟏+ π’›πŸ ) /𝟐 π’š

Profundidad:

USANDO:

π’›π’š

𝟐

= A/P = 0.499 m

= 1.6/2 = 0.8 m

Formula de Manning

S= 0.0008, n= 0.022

𝑨. π‘Ήπ’‰πŸ\πŸ‘ . π‘ΊπŸ\𝟐 𝑸= 𝒏

(𝟐. πŸ‘πŸπŸ). (𝟎. πŸ“πŸ‘πŸ)𝟐\πŸ‘ . (𝟎. πŸŽπŸŽπŸŽπŸ–)𝟏\𝟐 𝑸= 𝟎. 𝟎𝟐𝟐

Donde Q es = 𝑄 = 1.852 π‘š3 \𝑠

Velocidad = Q/A = 0.904 m/s

4. n = 0.010 (vidrio) S = 0 .0015

1.2m

0.9 m 235

(πœ½βˆ’π’”π’†π’πœ½)π’…πŸ 𝒐

Área:

πŸ–

=

(πŸπŸ‘πŸ“βˆ’π’”π’†π’πŸπŸ‘πŸ“)𝟏.𝟐𝟐

PerΓ­metro Mojado:

Ancho:

πŸ–

= πŸ’πŸ. πŸ’πŸ’π’ŽπŸ

= (1,2)(235)/2 = 141 m

= 1.2 sen(235/2) = 1.06 m

Radio A/P = 0.301 m

HidrΓ‘ulico:

Profundidad:

USANDO:

= 39.87 m

Formula de Manning

S= 0.0019, n= 0.010 (vidrio) 𝑸=

𝑨. π‘Ήπ’‰πŸ\πŸ‘ . π‘ΊπŸ\𝟐 𝒏

𝑸=

(πŸ’πŸ. πŸ’πŸ’). (𝟎. πŸ‘πŸŽπŸ)𝟐\πŸ‘ . (𝟎. πŸŽπŸŽπŸπŸ“)𝟏\𝟐 𝟎. 𝟎𝟏𝟎

Donde Q es = 𝑄 = 73.824 π‘š3 \𝑠

Velocidad = Q/A = 1.739 m/s

=

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