Universidad Católica Boliviana "San Pablo"

: FANCESA : IP30 (NB 011) 1% de Aditivo en Relación a Peso de Cemento IP30 - 24,5°C Aditivos para la construcción - Método de ensayo - parte 2: Determinación del tiempo de fraguado NB 1003-2 DATOS DE MUESTRA DATOS DE ENSAYO Cemento Temperatura : 24.5 ° Laboratorio : ESEYZA Peso de muestra Total : 300 gr Arena : 650 gr UNIVERSIDAD CATÓLICA BOLIVIANA "SAN PABLO" INGENIERÍA CIVIL Influencia del aditivo retardador de fraguado en las propiedades mecánicas de hormigones H21, con agregados de Santa Cruz Fecha : 03/09/2018 A/C : 47.95 % Tipo de cemento Agua : 143.9 ml ANÁLISIS DE TIEMPO DE FRAGUADO Lectura N° Hora Tiempo (min) Tiempo Acum. (min) Lectura inicial (mm) Lectura Final (mm) Penetración (mm) Observación 40.00 2 09:00:00 p.m. 180.00 180.0 40.00 0.00 40.00 1 07:00:00 p.m. 0.00 0.0 40.00 0.00 40.00 4 11:00:00 p.m. 60.00 300.0 40.00 0.00 40.00 3 10:00:00 p.m. 60.00 240.0 40.00 0.00 40.00 6 01:00:00 a.m. 60.00 420.0 40.00 0.00 40.00 5 12:00:00 a.m. 60.00 360.0 40.00 0.00 40.00 8 02:30:00 a.m. 30.00 510.0 40.00 0.50 39.50 7 02:00:00 a.m. 60.00 480.0 40.00 0.00 39.00 10 03:30:00 a.m. 30.00 570.0 40.00 1.50 38.50 9 03:00:00 a.m. 30.00 540.0 40.00 1.00 38.00 12 04:30:00 a.m. 30.00 630.0 40.00 2.00 38.00 11 04:00:00 a.m. 30.00 600.0 40.00 2.00 37.00 Lii 14 05:30:00 a.m. 30.00 690.0 40.00 4.00 36.00 Lij 13 05:00:00 a.m. 30.00 660.0 40.00 3.00 34.50 16 06:30:00 a.m. 30.00 750.0 40.00 7.50 32.50 15 06:00:00 a.m. 30.00 720.0 40.00 5.50 31.00 18 07:30:00 a.m. 30.00 810.0 40.00 11.50 28.50 17 07:00:00 a.m. 30.00 780.0 40.00 9.00 24.50 20 08:30:00 a.m. 30.00 870.0 40.00 18.00 22.00 19 08:00:00 a.m. 30.00 840.0 40.00 15.50 18.50 22 09:30:00 a.m. 30.00 930.0 40.00 24.50 15.50 21 09:00:00 a.m. 30.00 900.0 40.00 21.50 13.00 24 10:30:00 a.m. 30.00 990.0 40.00 30.50 9.50 23 10:00:00 a.m. 30.00 960.0 40.00 27.00 7.00 26 11:30:00 a.m. 30.00 1050.0 40.00 35.00 5.00 25 11:00:00 a.m. 30.00 1020.0 40.00 33.00 3.00 Lfi 28 12:30:00 p.m. 30.00 1110.0 40.00 40.00 0.00 Lfj 27 12:00:00 p.m. 30.00 1080.0 40.00 37.00 0.00 30 01:30:01 p.m. 30.00 1170.0 40.00 40.00 0.00 29 01:00:01 p.m. 30.00 1140.0 40.00 40.00 0.00 32 02:30:01 p.m. 30.00 1230.0 31 02:00:01 p.m. 30.00 1200.0 40.00 40.00 Tiempo de inicio de fraguado: 690.0 min 11.50 hr Tiempo de inicio de fraguado: 1085.0 min 18.08 hr 33 03:00:01 p.m. 30.00 1260.0 106