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ITOHG-SAN-1/1 - Augas de Galicia - Xunta de Galicia

ITOHG-SAN-1/1 - Augas de Galicia - Xunta de Galicia

ITOHG-SAN-1/1 - Augas de Galicia - Xunta de Galicia

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INSTRUCIÓNS TÉCNICASPARA OBRAS HIDRÁULICASEN GALICIACÁLCULO DE CAUDAIS EN<strong>SAN</strong>EAMENTO <strong>ITOHG</strong>-<strong>SAN</strong>-1/1 Páx. 14 <strong>de</strong> 36• QD3 3,= 20ha⋅0,4 L ⋅86.400 s ⋅ 1m = 691,2 ms ⋅ha día 1.000L díaL m,= 8 = 28, 8s horamind• QD indm3Cálculo <strong>de</strong> caudais diarios punta estacionais <strong>de</strong> orixe urbanaCaudal diario punta estacional <strong>de</strong> augas residuais urbanas, QDpurb ,Como Cp 4 (ver apartado 3.1 <strong>ITOHG</strong>-ABA-1/1) queda:est, urb=1,3 3• QDp, urb= QDm, urb⋅ Cpest, urb= 3.240m⋅ 1,4 = 4.536mdíadía• QDpurb,= 52,5 LsCálculo do caudal <strong>de</strong> infiltraciónCaudal medio <strong>de</strong> infiltración,QDm, infConsidérase o calculado para a situación actual.3 3• QD = m día = m hora = L sm,inf1.363,2 / 56,8 / 15,8 /Cálculo do caudal diario punta totalCaudal diario punta total, QDp,total3 3QDp, total= QDp, urb+ QDm, ind+ QDm,inf= 4.536 m + 691,2 mdía•3 3+ 1.363,2 m = 6.590 mdía día3• QDp, total= 76,3 L = 274,6 ms horadíaCAUDAIS PUNTACálculo <strong>de</strong> caudais horarios punta <strong>de</strong> augas residuais <strong>de</strong> orixe urbanaCaudal horario punta <strong>de</strong> augas residuais no día <strong>de</strong> máximo caudal medio, QHpurb ,Obtense o coeficiente punta horario urbano :0,5⎡ ⎤ 0,5⎡ ⎤•⎛ 1 ⎞ ⎛ 1 ⎞Cphurb,= 1, 6 ⋅ ⎢1 + ⎥⎜= 1, 6 ⋅ ⎢1 + ⎥ = 1,86QD ⎟⎜murb ,37,5⎟⎢ ⎥⎣ ⎝ ⎠ ⎦ ⎢⎣ ⎝ ⎠ ⎥⎦• QHp, urb= QDp, urb⋅ Cph, urb= 52,5 L ⋅ 1,86 = 97,7 Lss•3QHpurb ,= 351,8 mhoraXUNTA DE GALICIA AUGAS DE GALICIA EMPRESA PÚBLICA DE OBRAS ESERVICIOS HIDRÁULICOS

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