The design of a single hammerhead bent cap is presented. The design is performed through the use of both the strut-and-tie models and the sectional design procedures in the AASHTO LRFD [Load and Resistance Factor Design] Bridge Design Specifications. Two truss models are used to design the bent cap. The two trusses result in identical shear reinforcement. However, the use of sectional design procedures for this bent cap requires approximately one-half the amount of shear reinforcement. The results of a strain energy analysis indicate that simple trusses with a direct strut between the load point and the support point best model the actual load-carrying mechanism in the bent caps.


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    Title :

    Design of Hammerhead Bent Cap to AASHTO Load and Resistance Factor Design Specifications


    Additional title:

    Transportation Research Record: Journal of the Transportation Research Board


    Contributors:


    Publication date :

    2006-01-01




    Type of media :

    Article (Journal)


    Type of material :

    Electronic Resource


    Language :

    English