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Constant-ductility energy factors of SDOF systems subjected to mainshock-aftershock sequences

期刊: EARTHQUAKE SPECTRA, 2021; 37 (2)

This article focuses on the energy factor of single-degree-of-freedom (SDOF) systems subjected to mainshock-aftershock (MSAS) sequences, of which 163 ......

Experimental study on seismic performance of strengthening masonry wall using hybrid fiber-reinforced reactive powder concrete

期刊: EARTHQUAKE SPECTRA, 2021; 37 (3)

An experimental study was conducted to investigate the seismic performance of masonry walls strengthened using hybrid fiber-reinforced reactive powder......

Seismic performance improvement of +/- 800 kV UHV DC wall busing using friction ring spring dampers

期刊: EARTHQUAKE SPECTRA, 2021; 37 (2)

Wall bushings that connect converter valves within hall buildings and other electric facilities in a direct current (DC) field are indispensable in su......

Undrained seismic bearing capacity of strip footings horizontally embedded in two-layered slopes

期刊: EARTHQUAKE SPECTRA, 2021; 37 (2)

This study investigated the undrained seismic bearing capacity of strip footings embedded in two-layered slopes by finite element limit analysis (FELA......

Study on normalization of residual displacements for single-degree-of-freedom systems

期刊: EARTHQUAKE SPECTRA, 2021; 37 (3)

Residual displacement spectrum is one of the most important means to predict the permanent deformation of structures after the earthquake, and various......

Deformation-dependent peak floor acceleration for the performance-based design of nonstructural elements attached to R/C structures

期刊: EARTHQUAKE SPECTRA, 2021; 37 (2)

This study introduces a simple and efficient method to determine the peak floor acceleration (PFA) at different performance levels for three types of ......

Modeling spatial cross-correlation of multiple ground motion intensity measures (SAs, PGA, PGV, Ia, CAV, and significant durations) based on principal component and geostatistical analyses

期刊: EARTHQUAKE SPECTRA, 2021; 37 (1)

Ground motion intensity measures (IMs) were observed to be spatially correlated during past earthquakes. In this article, a new spatial cross-correlat......

Comparison of macroseismic-intensity scales by considering empirical observations of structural seismic damage

期刊: EARTHQUAKE SPECTRA, 2021; 37 (1)

In practice, seismic intensity is evaluated in accordance with a macroseismic-intensity scale recognized in the field of seismic engineering globally.......

Earthquake evacuation simulation of multi-story buildings during earthquakes

期刊: EARTHQUAKE SPECTRA, 2021; 37 (1)

Through combining a network-based pedestrian dynamics simulation model, simplified probabilistic structural damage assessment, and structural random v......

Near-fault seismic risk assessment of simply supported bridges

期刊: EARTHQUAKE SPECTRA, 2020; 36 (4)

Bridges tend to sustain excessive seismic demand (e.g. displacement) under pulse-like ground motions attributing to the effect of forward directivity,......

Classifying earthquake damage to buildings using machine learning

期刊: EARTHQUAKE SPECTRA, 2020; 36 (1)

The ability to rapidly assess the spatial distribution and severity of building damage is essential to post-event emergency response and recovery. Vis......

An open-source framework for regional earthquake loss estimation using the city-scale nonlinear time history analysis

期刊: EARTHQUAKE SPECTRA, 2020; 36 (2)

Regional seismic damage simulation of buildings provides decision-makers with important information for earthquake disaster prevention and mitigation.......

Evaluation of natural periods and modal damping ratios for seismic design of building structures

期刊: EARTHQUAKE SPECTRA, 2020; 36 (2)

A comprehensive technique for identification of modal properties (i.e. natural periods and equivalent modal damping ratios) of building structures is ......

A probabilistic seismic hazard model for Mainland China

期刊: EARTHQUAKE SPECTRA, 2020; 36 (1_SUPPL)

We construct a probabilistic seismic hazard model for mainland China by integrating historical earthquakes, active faults, and geodetic strain rates. ......

Estimating Near-Surface Shear Wave Velocity Using the P-Wave Seismograms Method in Japan

期刊: EARTHQUAKE SPECTRA, 2018; 34 (4)

Using initial P-wave records at 298 seismic stations from the Kiban-Kyoshin network (KiK-net), the P-wave seismograms method is employed to estimate t......

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