Substructure testing for dynamic soil-structure interaction

Reference:

Heath, A., Darby, A. P. and Bawcombe, J., 2008. Substructure testing for dynamic soil-structure interaction. In: Proceedings of the Second British Geotechnical Association International Conference on Foundations - ICOF 2008, 2008-01-01, Garston, Watford.

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Abstract

Testing for soil-pile interaction during an earthquake is often performed on a shaking table with the pile embedded in soil in a laminar shear box. As it is not feasible to construct large-scale structures supported by the piles for testing, the structure is usually modelled as a cantilevered mass which gives a very specific and simplistic response. This can be useful in understanding soil-structure interaction, but is not a realistic representation of true conditions. This paper presents a pilot study into the use of substructure testing which uses rapid structural computation and actuators to apply the response of a complex structure to a pile in real-time during seismic testing.

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