• Author / Uploaded
• Ernesto HR

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A

B

C

D

0

0

6

1

margen libre=

ancho cresta= 8.00 m linea de dren a= 3.00 m 3.50 m

3106 msnm

10.00 m

H= ha=

100.00 m

h sedim= 20.00 m 3006 msnm 15.00 m

B=

70.00 m

DETERMMINACION DE CARGAS A) PESO PROPIO (carga muerta)

W1 = W2 = W3 =

2,520.00 Tn 1,987.20 Tn 6,956.40 Tn

W2

W1

W3

b) FUERZA DEL AGUA

ha = Fa = Wa1 = Wa2 =

80.00 m 3,200.00 Tn 525.00 Tn 450.00 Tn

Wa2

Wa1

Fa

c) FUERZA DE SUPRESION

Con linea de drenes U1 = 1,040.00 Tn U2 = 720.00 Tn U3 = 720.00 Tn Sin linea de drenes U= 4,200.00 Tn ha/3= 40.00 m

U2

2*ha/3= 80.00 m

U3

U1

18.00 m

52.00 m

d) ACCION DE SEDIMENTOS

ϒH= FsedimH = ϒV= FsedimV =

1.40 Tn/m3 28.00 Tn 1.92 Tn/m3 82.29 Tn

Sedimentos

talon en contacto con el agua

FlodoV 1.00 m FlodoH

20.00 m

20.00 m

e) EFECTO DE SISMO Intensidad del Sismo =Φ =

0.1

Fuerza de Sismo Horizontal FIH1 = 252.00 Tn FIH2 = 198.72 Tn FIH3 = 695.64 Tn FIH2 Fuerza de Sismo Vertical FIV1 = 126.00 Tn FIV2 = 99.36 Tn FIV3 = 347.82 Tn Efecto hidrodinámico:

FIV2

FIH3

FIH1 FIV1

FIV3

y=H= tetha = Cm = CE = phiH = ϒH2O= H= pE = F= M= d=

100.00 m 8.53 ° 0.676 0.676 0.1 1.00 Tn/m3 100.00 m 6.755 490.43 Tn 20,198.14 Tn.m 41.18 m

Fhidr

F) FUERZA DE HIELO

Fhielo =

15.00 Tn F ola Fhielo

G) FUERZA DEL VIENTO

si es necesario interpolar Vel. Viento= 20 km Altura de Ola 2.00 0.66 3.61 0.89 4.00 0.94 F ola =

1.57 Tn

ANALISIS DE LA ESTABILIDAD GLOBAL DE LA PRESA FUERZA BRAZO CONSIDERAR W1 2,520.00 Tn 60.00 m CONSIDERAR W2 1,987.20 Tn 51.00 m CONSIDERAR W3 6,956.40 Tn 31.33 m CONSIDERAR Fa 3,200.00 Tn 46.67 m CONSIDERAR Wa1 525.00 Tn 65.00 m CONSIDERAR Wa2 450.00 Tn 62.50 m U1 1,040.00 Tn 34.67 m CONSIDERAR U2 720.00 Tn 61.00 m U3 720.00 Tn 64.00 m NO CONSIDERAR U 0.00 Tn 0.00 m CONSIDERAR FsedimH 28.00 Tn 10.00 m CONSIDERAR FsedimV 82.29 Tn 68.57 m CONSIDERAR FIH1 252.00 Tn 23.33 m CONSIDERAR FIH2 198.72 Tn 51.75 m CONSIDERAR FIH3 695.64 Tn 31.17 m CONSIDERAR FIV1 126.00 Tn 60.00 m CONSIDERAR FIV2 99.36 Tn 51.00 m CONSIDERAR FIV3 347.82 Tn 31.33 m

Mo. Op 151,200.00 Tn.m 101,347.20 Tn.m 217,967.20 Tn.m 34,125.00 Tn.m 28,125.00 Tn.m

5,642.45 Tn.m

7,560.00 Tn.m 5,067.36 Tn.m 10,898.36 Tn.m

NO CONSIDERAR CONSIDERAR

Fhielo F ola

0.00 Tn 1.57 Tn

100.00 m 100.00 m Suma: FSV =

561932.6 1.791

SEGURIDAD AL DESLIZAMINETO

Cálculo del factor de deslizamiento "f": Suma(FH) = 4375.93 ton Suma(FV) = 10614.07 ton f= 0.412 Cálculo del factor de fricción por corte "SFF" c= 10 kg/cm2 100000 kg/m2 A= 70.00 m m2 phi = 37 grados Suma(FH) = 4375.93 ton Suma(FV) = 10614.07 ton SFF = 3.43 Sadm = FUERZA BRAZO 2,520.00 Tn 25.00 m 1,987.20 Tn 16.00 m 6,956.40 Tn -3.67 m 3,200.00 Tn 46.67 m 525.00 Tn 30.00 m 450.00 Tn 27.50 m 1,040.00 Tn -0.33 m 720.00 Tn 26.00 m 720.00 Tn 29.00 m 0.00 Tn -35.00 m 28.00 Tn 10.00 m 82.29 Tn 33.57 m 252.00 Tn 23.33 m 198.72 Tn 51.75 m 695.64 Tn 31.17 m 126.00 Tn 25.00 m 99.36 Tn 16.00 m 347.82 Tn -3.67 m 0.00 Tn 100.00 m 1.57 Tn 100.00 m Suma(M) =

Seguridad a los esfuerzos

W1 W2 W3 Fa Wa1 Wa2 U1 U2 U3 U FsedimH FsedimV FIH1 FIH2 FIH3 FIV1 FIV2 FIV3 Fhielo F ola

Suma(FV) =

10614.07 ton

210 kg/cm2 Mo. Op -63,000.00 Tn.m ANTIHORARIO -31,795.20 Tn.m ANTIHORARIO 25,506.80 Tn.m HORARIO 149,333.33 Tn.m HORARIO -15,750.00 Tn.m ANTIHORARIO -12,375.00 Tn.m ANTIHORARIO -346.67 Tn.m ANTIHORARIO 18,720.00 Tn.m HORARIO 20,880.00 Tn.m HORARIO 0.00 Tn.m HORARIO 280.00 Tn.m HORARIO -2,762.45 Tn.m ANTIHORARIO 5,880.00 Tn.m HORARIO 10,283.76 Tn.m HORARIO 21,680.78 Tn.m HORARIO -3,150.00 Tn.m ANTIHORARIO -1,589.76 Tn.m ANTIHORARIO 1,275.34 Tn.m HORARIO 0.00 Tn.m HORARIO 156.79 Tn.m HORARIO 123227.72

B= Smax = Smin = En kg/cm2: Smax = Smin =

70 m 302.52 ton/m2 0.74 ton/m2 30.25 kg/cm2 0.07 kg/cm2 0.07 kg/cm2

FSesf =

6.94

ANALISANDO VALORES

FS(min) VOLTEO F.S DESLIZAMIENTO FRICCION.(SFF) presa/roca ESFUERZOS presa/roca

USUAL 1.500 0.750 3.000 3.000

CALCULADO 1.791 0.412 3.427 6.942

OBSERVACION OK OK OK OK

103.50 m

70.00 m

contacto con el agua

4.29 m

Mo. Act

149,333.33 Tn.m

36,053.33 Tn.m 43,920.00 Tn.m 46,080.00 Tn.m 0.00 Tn.m 280.00 Tn.m 5,880.00 Tn.m 10,283.76 Tn.m 21,680.78 Tn.m

0.00 Tn.m 156.79 Tn.m 313668.0

30.25 kg/cm2