A reliability evaluation of the AASHTO design equations for drilled shafts is described. The evaluation computed the variance of a data base containing load tests to failure on 30 straight-sided drilled shafts using first-order, second-moment methods applied to the AASHTO design equations. The computed variance was compared with the measured variance of the data base. The measured variance was found to exceed the computed variance for approximately 75 percent of the load tests. This is believed to result from important factors affecting the axial capacity of the drilled shaft not being included in the AASHTO design equations. It is speculated that the missing factors are related to common variations in construction practices for drilled shafts.


    Access

    Download

    Check availability in my library

    Order at Subito €


    Export, share and cite



    Title :

    Reliability Evaluation of AASHTO Design Equations for Drilled Shafts


    Additional title:

    Transportation Research Record


    Contributors:


    Publication date :

    1997-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English



    Reliability Evaluation of AASHTO Design Equations for Drilled Shafts

    Isenhower, William M. | Online Contents | 1997


    Evaluation of Drilled Shafts with Self-Consolidating Concrete

    Ozyildirim, Celik / Sharp, Stephen R. | Transportation Research Record | 2013


    Evaluation of Drilled Shafts with Self-Consolidating Concrete

    Ozyildirim, Celik | Online Contents | 2013



    Laterally Loaded Drilled Shafts Embedded in Soft Rock

    Hwan Cho, Kook / Clark, Shane C. / Keaney, Brian D. et al. | Transportation Research Record | 2001