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Should a pile tip be used for driving to increase the load bearing capacity? Does the soil inside the hollow pile have any negative effects?

April 26, 2017bearing driving increase load pile soil tip Used

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Should a pile tip be used for driving to increase the load bearing capacity? Does the soil inside the hollow pile have any negative effects?

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The soil in the pile has some positive effect in terms of the plug contributing to the displacement capacity – we have not analyzed this since driving refusal is based on skin friction when we have done PDA’s – so the displacement value has been ignored – but this value is probably only in the range of 5 kips. The mass of the soil in the pile would have some positive effect on the displacement in the case of lateral accelerations.