Abstract
Reinforced concrete (RC) piles are widely used to support structures on soft soil deposits with high liquefaction potential. While the lateral spreading of liquefied soil during earthquakes may cause severe damage to the RC piles, the authors propose using steel sheet pile walls (SSPW) to protect the RC piles from damage and control the overall stability of superstructures. The chapter deals with the nonlinear seismic response and damage evolution and control of multi-storey buildings supported by RC rafted piles on a liquefiable soil. The engineering focus is on the effect of using SSPW to protect existing multi-storey buildings which are supported by rafted pile foundation in a liquefiable soil. The effect of the SSPW embedment length is investigated. Drained and undrained conditions of the soft soil deposits are analytically considered. The results show that the sheet pile wall could improve the overall stability of the reinforced concrete superstructure, but it leads to a higher base shear on the structure.
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Mohammed, A.M.Y., Maekawa, K. (2014). Stability Control of Rafted Pile Foundation Against Soil Liquefaction. In: Ilki, A., Fardis, M. (eds) Seismic Evaluation and Rehabilitation of Structures. Geotechnical, Geological and Earthquake Engineering, vol 26. Springer, Cham. https://doi.org/10.1007/978-3-319-00458-7_25
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DOI: https://doi.org/10.1007/978-3-319-00458-7_25
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