A probabilistic capacity spectrum strategy for the reliability analysis of bridge pile shafts considering soil structure interaction

AUTOR(ES)

Kim, Dookie, Chaudhary, Sandeep, Nocete, Charito Fe, Wang, Feng, Lee, Do Hyung

FONTE

Latin American Journal of Solids and Structures

DATA DE PUBLICAÇÃO

2011-09

RESUMO

This paper presents a probabilistic capacity spectrum strategy for the reliability analysis of a bridge pile shaft, accounting for uncertainties in design factors in the analysis and the soil-structure interaction (SSI). Monte Carlo simulation method (MCS) is adopted to determine the probabilities of failure by comparing the responses with defined limit states. The analysis considers the soil structure interaction together with the probabilistic application of the capacity spectrum method for different types of limit states. A cast-in-drilledhole (CIDH) extended reinforced concrete pile shaft of a bridge is analysed using the proposed strategy. The results of the analysis show that the SSI can lead to increase or decrease of the structure's probability of failure depending on the definition of the limit states.

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