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|Title:||Updating uncertainties in friction angles of clean sands|
Sand (soil type)
|Source:||Ching, J.,Chen, J.,Phoon, K.-K. (2011). Updating uncertainties in friction angles of clean sands. Geotechnical Special Publication (224 GSP) : 1133-1140. ScholarBank@NUS Repository. https://doi.org/10.1061/41183(418)124|
|Abstract:||It is essential to characterize the uncertainties of soil shear strengths, including friction angles of sands. In particular, it is of practical interest to reduce the uncertainties in friction angles based on all available information by correlation, given the considerable cost of a typical site investigation. This study proposes a systematic way of constructing multivariate correlations on friction angles of clean sands. A set of simplified equations are obtained through Bayesian analysis for the purpose of reducing uncertainties. The inputs to the equations are the results of field and laboratory tests, and the outputs are the updated mean values and standard deviations of the friction angles. Test databases are used to demonstrate the consistency of the proposed simplified equations. © 2011 ASCE.|
|Source Title:||Geotechnical Special Publication|
|Appears in Collections:||Staff Publications|
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