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Study of Passive Isolation of Deep Foundations in Sandy ... - Ejge.com

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Vol. 16 [2011], Bund. Q 1312<br />

Average amplitude<br />

reduction ratio<br />

0.96<br />

0.94<br />

0.92<br />

0.90<br />

0.88<br />

0.86<br />

Depth <strong>of</strong> trench =10 (m)<br />

0.84<br />

0 5 10 15 20<br />

Pile Length (m)<br />

L=20 L=35 L=50 L=70<br />

L<strong>in</strong>ear (L=20) L<strong>in</strong>ear (L=35) L<strong>in</strong>ear (L=50) L<strong>in</strong>ear (L=70)<br />

Figure 19: Effect <strong>of</strong> pile length (H=10, Load<strong>in</strong>g frequency=50Hz, Soil 1)<br />

Average amplitude<br />

reduction ratio<br />

0.88<br />

0.86<br />

0.84<br />

0.82<br />

0.80<br />

0.78<br />

Depth <strong>of</strong> trench =15 (m)<br />

0.76<br />

0 5 10 15 20<br />

Pile Length (m)<br />

L=20 L=35 L=50 L=70<br />

L<strong>in</strong>ear (L=20) L<strong>in</strong>ear (L=35) L<strong>in</strong>ear (L=50) L<strong>in</strong>ear (L=70)<br />

Figure 20: Effect <strong>of</strong> pile length (H=15, Load<strong>in</strong>g frequency=50Hz, Soil 1)

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