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|Title:||Probabilistic hyperbolic models for foundation uplift movements|
|Authors:||Phoon, K.K. |
|Source:||Phoon, K.K.,Chen, J.-R.,Kulhawy, F.H. (2007). Probabilistic hyperbolic models for foundation uplift movements. Geotechnical Special Publication (170) : 4-. ScholarBank@NUS Repository. https://doi.org/10.1061/40914(233)4|
|Abstract:||There is a need to consider both ultimate limit state and serviceability limit state uniformly within the reliability-based design framework. However, it is more difficult to characterize uncertainties associated with the latter, because load-displacement curves are nonlinear functions that cannot be reduced to a single random variable. This paper demonstrates that a random vector containing two curve-fitting hyperbolic parameters is an adequate probabilistic model for uplift load-displacement curves associated with spread foundations, drilled shafts, and pressure-injected footings. A simple but general computational approach, based on Hermite polynomials, can be used to simulate these hyperbolic parameters, which typically are correlated and may not follow closed-form classical distributions. Copyright ASCE 2007.|
|Source Title:||Geotechnical Special Publication|
|Appears in Collections:||Staff Publications|
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