Water injection aided jacked piles

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• Paul Shepley (University of Cambridge)
• Friday 15 June 2012, 16:00-17:30
• Cambridge University Engineering Department, Lecture Room 6.

If you have a question about this talk, please contact Jen Fusiello.

Jacked piles remain a desirable niche in geotechnical engineering. Press-in piles are silently jacked into the ground, requiring only small rigs to do so – making them ideal for urban or limited-access construction projects. Jacked piles excel where the ground conditions are soft. For hard ground sites, additional techniques (such as water injection) can be used to reduce the installation loads, allowing press-in piles to be used. Scale modelling of the water injection technique was completed on the geotechnical centrifuge to investigate the mechanism of this process and the effects, if any, on ultimate pile properties.

In this seminar, the different technologies will be introduced and the centrifuge modelling explained. The governing mechanism behind the process will be presented before concluding with the suitability of the process for pile installation.

This talk is part of the Engineering Department Geotechnical Research Seminars series.

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