1
[ ] [ ] 200 50 / 6 . 0 ; 2425 . 0 50 / log 756 . 5 * 100 84 / 30 . 0 ; 2794 . 2 84 / log 756 . 5 * + = + = D b R D b R C D d D d C 7919 . 0 ) 84 / log( 2 6 / 1 111 . 0 + = D d d n Van Rijn (1987) ) 90 3 / 12 log( 75 . 5 * 0 D f R C = C 0 * = coeficiente de Chézy; R f = radio hidráulico de fondo Jarret (1984) m R m S R S n 1 . 2 15 . 0 %; 4 . 0 % 2 . 0 ; 16 . 0 ) 28 . 3 /( 38 . 0 39 . 0 < < < < = S= pendiente de fricción; R= radio hidráulico

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  • [ ][ ] 20050

    /6.0;2425.050

    /log756.5*

    10084

    /30.0;2794.284

    /log756.5*

    +=

    +=

    Db

    RDb

    RC

    DdDdC 7919.0)

    84/log(2

    6/1111.0

    +=

    Dd

    dn

    Van Rijn (1987) )903/12log(75.5

    *0 DfRC =

    C0*= coeficiente de Chzy; Rf= radio hidrulico de fondo

    Jarret (1984) mRmSRSn 1.215.0%;4.0%2.0;16.0)28.3/(38.039.0