Hoja1Ejemplo 5.1.Ejemplo 5.2En una prueba de infiltracin realizada con un infiltrmetro de cilindros concntricos, Calcular y graficar los valores de agua infiltrada e infiltracin para los siguientesse obtuvieron los datos y resultados que se citan en la Tabla 1, se pide determinar:datos obtenidos en campaa:a) La curva de capacidad de infiltracin.Tablas 5.1. Datos Ensayo de Infiltracinb) La capacidad de infiltracin final.c) La capacidad de infiltracin promedio en los primeros 30 minutos de la prueba.HORAENRACELecturad) La curva de volumen infiltrado durante la prueba.H:M:S(cm) Ei(cm) Li,nSolucinSolucin:13:55:0036.16Ambos anillos estn llenos de agua, aunque solo se En la Tabla 1, se tienen los clculos necesarios para determinar la curva de infiltracin y en la 14:00:0035.33toman mediciones en el anillo interior, ya que debajo Tabla 2 los correspondientes a la curva de volumen infiltrado; ambas curvas se han dibujado 14:05:0034.71ste se considera que la infiltracin es unidimensio-en la Figura 5.8 en donde adems se citan las respuestas a los incisos b y c.14:10:0034.15nal con direccin vertical. Las deformaciones por Tabla 1. Calculo de la curva de capacidad de infiltracin14:15:0034.9333.63infiltracin horizontal son controladas por el agua SUELO: arenoso14:20:0034.44infiltrada en el anillo exterior.DIAMETRO DEL CILINDRO INTERIOR:30cm.14:25:0033.97La secuencia de lecturas responde a un llenado inicial AREA DEL CILINDRO INTERIOR: 706.8583470577cm214:35:0033.07hasta cierta altura (enrace), lecturas posteriores del VOLUMENTIEMPO EN MIN. ENLAMINATIEMPO EN HRs.f. EN mm/hr14:45:0037.0632.21descenso del nivel de agua, nuevo llenado (enrace) yADICIONADOQUE SE INFILTRO ELINFILTRADA EN(4) = (2) / 60(5) = (3) / (4)14:55:0036.23 lecturas de descenso. Este ciclo se repite hasta que En cm3VOLUMENmm. (3) = (1)/A15:15:0035.9134.66los valores de descenso son pequeos en el tiempo.(1)(2)(3)(4)(5)15:30:0034.7800---------------15:45:0033.6927823.9330.033117.9915:50:0033.3338035.3760.050107.5215:55:0035.5232.9831554.4560.08353.4816:15:0034.137511010.6240.16763.7516:30:0033.11576108.1490.16748.898453011.9540.50023.91HORAENRACELecturaTiempo LaminaTiempo LaminaCapacidad530307.4980.50015.00parcialParcialacumuladoacumulada infiltracion7206010.1861.00010.19H:M:S(cm) Ei(cm) Li,n(min) t(cm) Mi,n(min) t(cm) Mi,nmm/h13:55:0036.160000-Tabla 2. Calculo de la Curva de Volumen Infiltrado (F)14:00:0035.3350.8350.8399.60INCREMENTOINCREMENTOINCREMENTOCAPACIDAD DEVOL. INFILTR.VOL. INFILTR.14:05:0034.7150.62101.4587.00DE TIEMPO ENDE TIEMPO ENDE TIEMPO ENINFILTR. PROM.(F) EN mmAcum. en mm14:10:0034.1550.56152.0180.40MINMINHRS. (3) = (2)/60EN mm/hr(5) = (3) * (4)EN min14:15:0034.9333.6350.52202.5375.90(1)(2)(3)(4)(5)(6)14:20:0034.4450.49253.0272.480 - 1010100.167107.617.9317.9314:25:0033.9750.47303.4969.8010 - 2010200.16774.012.3330.2714:35:0033.07100.9404.3965.8520 - 3010300.16755.59.2539.5214:45:0037.0632.21100.86505.2563.0030 - 4010400.16743.07.1746.6814:55:0036.23100.83606.0860.8040 - 5010500.16733.05.5052.1815:15:0035.9134.66201.57807.6557.3850 - 6010600.16726.04.3356.5215:30:0034.78151.13958.7855.4560 - 7010700.16722.03.6760.1815:45:0033.69151.091109.8753.8470 - 9020900.33317.05.6765.8515:50:0033.3350.3611510.2353.3790 - 120301200.50013.06.5072.3515:55:0035.5232.9850.3512010.5852.90120 - 150301500.50011.05.5077.8516:15:0034.13201.3914011.9751.3016:30:0033.11151.0215512.9950.28b.- Capacidad de Inf iltracion final.= 10 mm/hr.c.- Capacidad de Inf iltracion promedio en 30 min.= 79 mm/hr

&G

d.- Curva masa de volumen infiltradoa.-Curva de capacidad de infiltracin

Hoja21619.281773.072926.35413770.491610045.2161419.5989492.84353236.77043950.8953903.31892595.56658248.25461488.5052842.81393270.96431442.14511092.39463714.79952236.10662533.25221689.67034683.30871933.7133080.43511564.85256268.4897328.30478823.71281487.54847636.756797.22885173.32054270.03624267.5604822.2153439.0004521.8314618.54363261.85574392.13451847.88193768.08842912.01183534.60774377.04752565.88143767.88031312.33575985.77423462.17112344.83931415.80182988.29991620.1121473.31651901.66161520.58991563.67081236.12961339.1962714.40462115.87762669.95842738.64471290.27832173.40921553.464940.03421372.4806924.23381208.71991505.60623965.85342570.75013759.28012143.93652855.2862032.96671900.36252096.02312414.78461890.81892445.77812146.31411362.77222216.92922096.98662002.13121522.86871990.62561531.07821885.99711281.90661827.54972845.54371517.58362029.6311335.6397917.34991315.99091240.0167966.59271066.7986847.36881193.92191367.0779712.131031.59531237.2753688.13381058.56151029.23458.01441043.9189828.4804180084.746348841.260923086.813117721.386910045.216279779.42322143.8660273812220.05731363643847.80218333338860.6934510045.2162.14386602742.22005731363.84780218338.8606934510.045216

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