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diseño y construccion de calzaduras - Dr. Ing. Jorge Elias Alva ...

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SUPERFICIE DEL TERRENO<br />

σ v z<br />

σ o<br />

σ a<br />

r<br />

r r r<br />

r rr r r r<br />

r rrr r<br />

r<br />

r<br />

r<br />

r<br />

PROMEDIO<br />

2<br />

1<br />

σ o<br />

3<br />

σ a<br />

MURO RIGIDO<br />

ESFUERZO DE SOBRECARGA EN REPOSO ACTIVO<br />

Ko = 1 – sen φ<br />

1<br />

2<br />

MURO VACIADO CONTRA ATAGUIA<br />

RELLENO GRANULAR COMPACTO<br />

Ka = tg 2 (45 - φ / 2)<br />

3<br />

RELLENO GRANULAR SUELTO<br />

Fig. 3. PRESION LATERAL EN MURO RIGIDO

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