Site investigation is crucial in characterizing the geomaterial profile for the design of bridge pile foundations. A site investigation plan should be conducted to maximize geomaterial information and minimize uncertainty. This study addresses these problems using multinomial categorical prediction and universal kriging on a random field with multiple simulations. The effectiveness of this combined analysis for determining an optimal site investigation plan (OSIP) is validated and compared to an analysis done solely on property uncertainty. The proposed OSIP yields a lower prediction error, improves the prediction of geomaterial type and property, and reduces the subsurface uncertainties. 

                            Opeyemi E. Oluwatuyi, Kam W. Ng, Shaun S. Wulf, Rasika Rajapakshage 

                                                           Geotechnical and Geological Engineering 

                                Abstract:- https://doi.org/10.1007/s10706-023-02403-x