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Evaluation And Development Of Cpt Based Pile Design In Nebraska Soils, Alex Silvey
Evaluation And Development Of Cpt Based Pile Design In Nebraska Soils, Alex Silvey
Department of Civil and Environmental Engineering: Dissertations, Theses, and Student Research
Cone penetration testing (CPT) is a well established geotechnical subsurface investigation technique commonly used for site characterization and soil classification. The CPT gives real time end resistance, side friction, and pore pressure readings. Axially loaded piles also share these two resistance mechanisms, suggesting the cone can be considered similar to a miniature pile. This study focused on evaluating eight CPT methods prediction of pile bearing capacity. The Nebraska Department of Roads (NDOR) conducts dynamic load tests (PDA) of driven pile to verify pile capacity for bridge foundations. 91 comparisons of CPT logs and PDA data were evaluated. CPT prediction methods …