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en que consiste el mtodo degumbel?

Este mtodo estadstico se empleapara calcular el caudal mximo para

un periodo de retorno determinado

Qmax= caudal

mximo

Qm= caudal

promedio

N =numero de aos

Qi= caudalesanuales

T= periodo de

retorno

Cte. en funcion

de N

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.

Condiciones

ara entre 0.20 y 0.80, elntervalo de confianza se calcula

on la frmula:

el intervalo se calculacomo:

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.

Ejemplo

Se tiene el regi str o de caudales mxim os de 30 En este ro se desea cons tru ir un a

presa de almacenam iento . Calcu lar el caud al de d iseo para el vertedo r, para

perodos de retor no 50 y 100 aos respect ivament e.

Ao

(1)Caudal

(2)Ao

(1)Caudal

(2)1970 1660 1985 5631971 917 1986 5201972 3800 1987 3601973 1410 1988 3671974 2280 1989 6581975 618 1990 8241976 683 1991 8501977 934 1992 12301978 779 1993 5221979 921 1994 5811980 876 1995 5571981 740 1996 8181982 1120 1997 10301983 610 1998 4181984 1150 1999 953

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.

Clculo del promedio de caudales Qm:

De l cuad ro de caudales regi str ado s du ran te 30 aos

Clculo de la desviacin estndar de los caudales Q:

Clculo de los coeficientes N, YN:

para N = 30 aos, se tiene:

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.

Obtencin de la ecuacin del caudal mximo:

Clculo del caudal mximo para periodo T:

C

lculo de :

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.Como en ambos casos es mayor que 0.90, se

utiliza la ecuacin:

Clculo del caudal de diseo:

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.Obtencin de la ecuacin del caudal mximo:

Clculo del caudal mximo para periodo T:

C

lculo de :

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.Obtencin de la ecuacin del caudal mximo:

Clculo del caudal mximo para periodo T:

C

lculo de :

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This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.This material consists essentially of water, cement and other additives, which were later, add a fourth ingredient called additive.