Abstract
Piled embankments are applied to deal with soft foundation in the high speed railway engineering. In that case, load transmission usually occurs by soil arching effect in piled embankments. In the model test of this passage, a jack fixed with different active plates were used to control the pile-and-soil relative displacement combined with PIV. The results about the development of sliding surface shape and the failure angles in different filling heights and pile spacing in soil arching effect were displayed. It can be found the shape of sliding areas on the top embankment is relevant to embankment height and pile spacing. Initial failure angles were determined by the filling height and finally close to 90°. The equal settlement plate increased with the increasing of pile-and-soil relative displacement linearly when the top of embankment was not effected by differential settlement.
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This work presented in this paper was by National key research and development program (2016YFC0600904).
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Cui, ZD., Fan, SC., Wei, SW., Zhang, YF. (2018). Physical Modeling of Arching Effect in the Piled Embankment. In: Zhou, A., Tao, J., Gu, X., Hu, L. (eds) Proceedings of GeoShanghai 2018 International Conference: Fundamentals of Soil Behaviours. GSIC 2018. Springer, Singapore. https://doi.org/10.1007/978-981-13-0125-4_42
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DOI: https://doi.org/10.1007/978-981-13-0125-4_42
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