Conditional spectrum‐based ground motion record selection using average spectral acceleration

M Kohrangi, P Bazzurro, D Vamvatsikos… - Earthquake …, 2017 - Wiley Online Library
The use of a seismic intensity measure (IM) is paramount in decoupling seismic hazard and
structural response estimation when assessing the performance of structures. For this to be …

Vector and scalar IMs in structural response estimation, Part I: Hazard analysis

M Kohrangi, P Bazzurro… - Earthquake Spectra, 2016 - journals.sagepub.com
A realistic assessment of building economic losses and collapse induced by earthquakes
requires the monitoring of several response measures, both story-specific and global. The …

Intensity measure correlations observed in the NGA-West2 database, and dependence of correlations on rupture and site parameters

JW Baker, BA Bradley - Earthquake Spectra, 2017 - journals.sagepub.com
This manuscript reports ground motion intensity measure (IM) correlations for a number of IM
types, as measured from the NGA-West2 database. IM s considered are Spectral …

An empirical model for the interfrequency correlation of epsilon for Fourier amplitude spectra

J Bayless, NA Abrahamson - Bulletin of the …, 2019 - pubs.geoscienceworld.org
An empirical ground‐motion model (GMM) is presented for the interfrequency correlation of
normalized residuals, epsilon (⁠ ε⁠), for smoothed Fourier amplitude spectra (FAS). The …

Evaluation of the interperiod correlation of ground‐motion simulations

J Bayless, NA Abrahamson - Bulletin of the …, 2018 - pubs.geoscienceworld.org
We demonstrate that the interperiod correlation of epsilon (ρ ε) is an essential component of
ground motions for capturing the variability of structural response that is needed in seismic …

Performance-based probabilistic assessment of liquefaction-induced building settlements

C Liu, J Macedo, G Candia - Soil Dynamics and Earthquake Engineering, 2021 - Elsevier
The current state of practice in the estimation of liquefaction-induced building settlements
(LIBS) relies on pseudoprobabilistic approaches in which the estimation of ground motion …

Interfrequency correlations among Fourier spectral ordinates and implications for stochastic ground‐motion simulation

PJ Stafford - Bulletin of the Seismological Society of …, 2017 - pubs.geoscienceworld.org
Abstract Models for the interfrequency correlations among Fourier spectral ordinates and
variances of these ordinates are presented. These covariances among Fourier spectral …

Correlations of spectral accelerations in the Chilean subduction zone

G Candia, A Poulos, JC de la Llera… - Earthquake …, 2020 - journals.sagepub.com
The correlation between spectral accelerations is key in the construction of conditional mean
spectra, the computation of vector-valued seismic hazard, and the assessment of seismic …

Ground‐Motion Intensity Measure Correlations on Interface and Intraslab Subduction Zone Earthquakes Using the NGA‐Sub Database

J Macedo, C Liu - Bulletin of the Seismological Society of …, 2021 - pubs.geoscienceworld.org
The NGA‐Sub (subduction zone earthquake) database developed by the Pacific Earthquake
Engineering Research center is used to derive new correlation coefficients for a number of …

Correlation of spectral acceleration values of vertical and horizontal ground motion pairs

M Kohrangi, AN Papadopoulos… - Earthquake …, 2020 - journals.sagepub.com
We present correlation coefficient estimates between a number of ground motion intensity
measures (IM s), as measured from the NGA-West2 database, with focus on the correlation …