2021
DOI: 10.1016/j.engstruct.2021.113157
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Seismic reliability evaluation of bridges under spatially varying ground motions using a four-parameter distribution

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Cited by 15 publications
(3 citation statements)
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“…After obtaining the fractional moments of Z, an adequate probability distribution model should be employed for the EVD estimation. Generally, the state-of-art distribution models represent the EVD by adopting either maximum entropy density [31,32] or positively skewed distributions such as shifted generalized lognormal distribution [35] and a mixture of lognormal distribution and inverse Gaussian distribution [33]. However, their flexibility is still limited for the EVDs with heavy tails, leading to the inaccuracy of EVD reconstruction for some first-passage problems.…”
Section: Representing Evd By a Mixture Distribution With Fractional M...mentioning
confidence: 99%
See 1 more Smart Citation
“…After obtaining the fractional moments of Z, an adequate probability distribution model should be employed for the EVD estimation. Generally, the state-of-art distribution models represent the EVD by adopting either maximum entropy density [31,32] or positively skewed distributions such as shifted generalized lognormal distribution [35] and a mixture of lognormal distribution and inverse Gaussian distribution [33]. However, their flexibility is still limited for the EVDs with heavy tails, leading to the inaccuracy of EVD reconstruction for some first-passage problems.…”
Section: Representing Evd By a Mixture Distribution With Fractional M...mentioning
confidence: 99%
“…These methods enable to evaluate first-passage probabilities of high-dimensional and strongly nonlinear stochastic dynamic systems from a small number of simulations. Furthermore, a fractional moments-based shifted generalized lognormal distribution method [35] is utilized to assess seismic reliability of a practical bridge subjected to spatial variate ground motions. Besides, the linear moments-based polynomial normal transformation distribution method [36] is developed to analyze high-dimensional dynamic systems with deterministic structural parameters subjected to stochastic excitations.…”
Section: Introductionmentioning
confidence: 99%
“…Cross PSD models are commonly employed to generate spatially correlated and varied random ground motion time histories, and have been widely applied in the system reliability assessment of large-span structures and lifeline networks. [25][26][27] Results have shown that load spatial correlation is influential on the seismic performance of large-scale engineering systems.…”
Section: Introductionmentioning
confidence: 99%