Abstract
We present a pore pressure model that predicts the build-up of residual pore pressure from accumulated shear stress. The main advantage of the model is that all of the input parameters can be selected from a CSR (cyclic stress ratio)–\(N\) (number of cycles required for liquefaction) curve measured from a stress-controlled test. The formulation of the model and guidelines for selecting its parameters are presented. Comparisons with measurements validated the applicability of the model and also the parameter selection procedure. Further comparisons with another accumulated stress-based model highlight the superiority of the proposed model in terms of accuracy and ease-of-use.
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Acknowledgments
This research was supported by National Research Foundation of Korea Grant (NRF-2011-0012486). The authors gratefully acknowledge this support. The authors appreciate the assistance of Chun-Ik Park and Jae-Hoon Chang in collection and organization of the measured data.
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Park, T., Park, D. & Ahn, JK. Pore pressure model based on accumulated stress. Bull Earthquake Eng 13, 1913–1926 (2015). https://doi.org/10.1007/s10518-014-9702-1
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DOI: https://doi.org/10.1007/s10518-014-9702-1