Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Evaluation of Traditional Lateral Pile Capacity Method Using an LRFD Approach
In this paper, the lateral pile capacity obtained from a traditional design method is compared to that obtained from an LRFD approach. A novel methodology for determining the resistance factors for use in the LRFD approach is developed using a prescribed lateral load-displacement model for piles, field measured load-displacement curves, and probabilistic analysis. The "p-y" method is used for modeling the lateral load-displacement behavior. Model parameters are back-calculated from the field load-displacement curves and their variability is assumed. Probabilistic analysis is performed to obtain load capacity distributions and resistance factors as a function of site variability and reliability index. These resistance factors are used to obtain the design resistance, which is compared to the design capacity obtained through the traditional approach. The design capacity from the traditional approach is found to be satisfactory only for low variability sites that in turn allow for low reliability indices.
Evaluation of Traditional Lateral Pile Capacity Method Using an LRFD Approach
In this paper, the lateral pile capacity obtained from a traditional design method is compared to that obtained from an LRFD approach. A novel methodology for determining the resistance factors for use in the LRFD approach is developed using a prescribed lateral load-displacement model for piles, field measured load-displacement curves, and probabilistic analysis. The "p-y" method is used for modeling the lateral load-displacement behavior. Model parameters are back-calculated from the field load-displacement curves and their variability is assumed. Probabilistic analysis is performed to obtain load capacity distributions and resistance factors as a function of site variability and reliability index. These resistance factors are used to obtain the design resistance, which is compared to the design capacity obtained through the traditional approach. The design capacity from the traditional approach is found to be satisfactory only for low variability sites that in turn allow for low reliability indices.
Evaluation of Traditional Lateral Pile Capacity Method Using an LRFD Approach
Misra, Anil (Autor:in) / Roberts, Lance A. (Autor:in) / Bhatnagar, Richa (Autor:in)
International Foundation Congress and Equipment Expo 2009 ; 2009 ; Orlando, Florida, United States
10.03.2009
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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