Results 41 to 50 of about 530 (190)

Orientation-dependent ground motion measure for seismic hazard assessment

open access: yes, 2007
Attenuation relations of the pseudo-spectral acceleration (PSA) response are used to assess seismic hazard and uniform hazard spectra (UHS). The relations are based on a scalar measure although earthquake excitations are inherently vector quantities. For
Goda, K, Hong, HP
core   +1 more source

Breaking the Black Box: Inherently Interpretable Physics‐Constrained Machine Learning With Weighted Mixed‐Effects for Imbalanced Seismic Data

open access: yesJournal of Geophysical Research: Machine Learning and Computation, Volume 2, Issue 4, December 2025.
Abstract Ground motion models (GMMs) are critical for seismic risk mitigation and infrastructure design. Machine learning (ML) is increasingly applied to GMM development due to expanding strong motion databases. However, existing ML‐based GMMs operate as “black boxes,” creating opacity that undermines confidence in engineering decisions.
Vemula Sreenath   +2 more
wiley   +1 more source

Research and Software Implementation of Seismic Probabilistic Safety Analysis Quantification Method

open access: yes, 2017
Seismic risk of nuclear power plant has drawn increasing attention after Fukushima accident. An intensive study has been carried out in this paper, including sampling of component and structure fragility based on Monte Carlo method, fragility analysis on
Guofeng Tang   +3 more
core   +1 more source

Seismic Soil-Structure Interaction Analysis of Isolated Nuclear Power Plants in Frequency Domain

open access: yesShock and Vibration, 2016
One important aspect of applying seismic isolation to Nuclear Power Plants (NPPs) is that the complex interactions of flexible soil, flexible isolators, and stiff structures require careful investigation.
Zhiguang Zhou, Xiaodong Wei
doaj   +1 more source

A Global Application Programming Interface–Enabled Earthquake Ground Motion Relational Database for Engineering Applications

open access: yesEarthquake Spectra, Volume 41, Issue 5, Page 4162-4194, December 2025.
We present a application programming interface (API)‐enabled relational database of global earthquake ground motion intensity measures, associated metadata, and processed time‐series data. Raw ground motion records were processed by the authors using either manual or semi‐automated processing procedures, and every processed record has passed a quality ...
Tristan E. Buckreis   +10 more
wiley   +1 more source

Simulation of strong ground motions for the MW7.1 Dingri, Xizang earthquake in 2025 using the stochastic finite-fault methodology

open access: yes地球与行星物理论评
On January 7, 2025, an \begin{document}$ {M}_{\mathrm{W}} $\end{document}7.1 earthquake struck Dingri, Xizang, causing severe engineering damage in the epicentral area.
Yanfang Zhang   +4 more
doaj   +1 more source

Hybrid broadband ground‐motion simulation validation of small‐magnitude subduction earthquakes in New Zealand

open access: yesEarthquake Spectra, Volume 41, Issue 5, Page 4046-4081, December 2025.
Physics‐based simulation of subduction earthquake ground motions remains less comprehensively validated than for shallow crustal earthquakes, despite subduction events contributing significantly to global seismic hazard. In this study, subduction‐specific simulation models were developed and validated for small‐magnitude (Mw3.5–5) interface and slab ...
Michael R Dupuis   +2 more
wiley   +1 more source

Numerical modeling and monitoring of the seismic response of coral reef island in Xisha Islands, South China Sea

open access: yesYantu gongcheng xuebao
The seismic response analysis of the coral islands in South China Sea is of practical significance for the seismic safety of the islands. A two-dimensional FEM model is established for a typical coral island in Xisha Islands considering the unsaturated ...
BI Yandong 1, GUO Zhen 1, 2, LU Jinkai 1, WANG Qing 3, CHEN Hui'e 3, HUANG Yu 1, 2
doaj   +1 more source

Strength and thermal stability of enhanced metakaolin‐based geopolymer composites with sand and fibers

open access: yesInternational Journal of Applied Ceramic Technology, Volume 22, Issue 6, November/December 2025.
Abstract The growing demand for sustainable materials in construction and ceramics has driven interest in geopolymer technology as an eco‐friendly alternative to traditional cement‐based systems. Geopolymers, synthesized from aluminosilicate precursors like metakaolin, offer high mechanical performance, chemical resistance, and lower carbon footprints.
Ruy A. Sa Ribeiro   +5 more
wiley   +1 more source

Stochastic modeling of ground acceleration for eastern Cuba and the city of Santiago de Cuba

open access: yesMinería y Geología, 2023
The southeastern region of Cuba is the most seismically dangerous area of the country because of its close location to the border of the Caribbean plate with the North American plate.
Bladimir Moreno-Toiran   +2 more
doaj  

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