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Caracterización de Arenas y Gravas con Ondas Elásticas

Caracterización de Arenas y Gravas con Ondas Elásticas

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Doctorado en Ingeniería – Facultad <strong>de</strong> Ingeniería – Universidad Nacional <strong>de</strong> Cuyo – Año 2007<br />

Lic. Armando Luis Imhof<br />

78<br />

Tabla 3.1. Escala <strong>de</strong> Tamices<br />

Abertura [mm] # IRAM-ASTM<br />

10 2<br />

5.6 3<br />

4.76 4<br />

3.36 6<br />

2.38 8<br />

1.68 12<br />

1.19 16<br />

0.841 20<br />

0.595 30<br />

0.42 40<br />

0.297 50<br />

0.21 70<br />

0.149 100<br />

0.105 140<br />

0.074 200<br />

0.053 270<br />

0.037 400<br />

Tabla 3.2 (a) Fuerzas actuantes sobre la tapa <strong>de</strong> probeta cilíndrica. (b) Régimen <strong>de</strong><br />

Cargas en la Probeta Cilíndrica y profundida<strong>de</strong>s equivalentes (ver PM 3.4).<br />

Cálculo <strong>de</strong> las fuerzas actuantes sobre la probeta (carga intensa)<br />

F1 [N] F1 [N] (acum)Ft [N] Ft [N] (acum)<br />

0 0 10 2940<br />

35 35 1694 4634<br />

25 60 2904 5844<br />

40 100 4840 7780<br />

100 200 9680 12620<br />

100 300 14520 17460<br />

90 390 18876 21816<br />

Régimen <strong>de</strong> Carga Débil<br />

Area Probeta [m2] Ft [N]acum σ ' [kPa] z equiv [m]<br />

0.0123 10 0.81300813 0.046056<br />

0.0123 30 2.43902439 0.138168<br />

0.0123 60 4.87804878 0.27633599<br />

0.0123 100 8.1300813 0.46055999<br />

0.0123 180 14.6341463 0.82900798<br />

0.0123 405 32.9268293 1.86526796<br />

Régimen <strong>de</strong> Carga Intensa<br />

Area Probeta [m2] Ft [N]acum σ ' [kPa] z equiv [m]<br />

0.0123 2940 239.02439 13.5404637<br />

0.0123 4634 376.747967 21.34235<br />

0.0123 5844 475.121951 26.9151259<br />

0.0123 7780 632.520325 35.8315673<br />

0.0123 12620 1026.01626 58.1226709<br />

0.0123 17460 1419.5122 80.4137745<br />

0.0123 21816 1773.65854 100.475768<br />

(a)<br />

(b)

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