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Frictional Resistance in Pile Driving

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Questions and Answers

What is the typical magnitude of sand densification around a pile zone?

4 times the pile diameter

1.5 times the pile diameter

2.5 times the pile diameter (correct)

3 times the pile diameter

How does the unit skin friction vary with depth around a driven pile in sand?

It decreases with depth beyond a critical depth.

It is inversely proportional to the depth.

It remains constant at all depths.

It increases linearly with depth beyond a critical depth. (correct)

What important factor affects the estimation of frictional resistance during pile driving?

The color of the soil

The temperature during installation

The nature of the pile installation (correct)

The presence of nearby trees

What is the relationship between the frictional resistance and the pile driving process?

<p>Frictional resistance is caused during pile driving to densify the soil around the pile.</p> Signup and view all the answers

What is a conservative estimate for the critical depth L' for driven piles in sand?

<p>15 pile diameters</p> Signup and view all the answers

Frictional Resistance in Pile Driving

Choose a study mode

Podcast

Questions and Answers

What is the typical magnitude of sand densification around a pile zone?

How does the unit skin friction vary with depth around a driven pile in sand?

What important factor affects the estimation of frictional resistance during pile driving?

What is the relationship between the frictional resistance and the pile driving process?

What is a conservative estimate for the critical depth L' for driven piles in sand?

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