Results 101 to 110 of about 5,872 (236)

A methodology for the estimation of kappa (κ) for large datasets. Example application to rock sites in the NGA-East database [PDF]

, 2016
This report reviews four of the main approaches (two band-limited and two broadband) currently used for estimating the site κ0: the acceleration slope (AS) above the corner frequency, the displacement slope (DS) below the corner frequency, the broadband (
Abrahamson, Norman A., Darragh, Robert B., Ktenidou, Olga-Joan, Silva, Walter J.   +3 more
core  

Reliability‐Based Design Optimization of Tuned Mass Damper for Tall Buildings Considering Uncertainty of Soil‐Structure Interaction

The Structural Design of Tall and Special Buildings, Volume 34, Issue 14, 10 October 2025.
ABSTRACT Tuned mass dampers (TMDs) are widely used to mitigate vibration in tall structures subjected to forces such as seismic activity and wind. Despite extensive research on TMD design, implementation, and structural vibration control, determining the optimal parameters for TMDs remains a challenging task.
Sina Shirgir, Amir Shamsaddinlou, Dario De Domenico   +2 more
wiley   +1 more source

Estimating VS30 at South Korean Seismic Observatory Stations Through Horizontal and Vertical Ground Motions

Applied Sciences
This investigation attempts to estimate time-averaged shear wave velocity in the upper 30 m of surficial material, VS30, from the horizontal-to-vertical spectral ratios, HVSRs, of seismic observatory stations in the South Korean region. From 2016 to 2023,
Eric Yee, Chang-kyu Lee
semanticscholar   +1 more source

Modelling the Importance of Ground and Strong‐Motion Variables on the Damage Status in the 2023 Kahramanmaraş Earthquakes Using Supervised Machine Learning

Geoscience Data Journal, Volume 12, Issue 4, October 2025.
KNN achieved the highest performance (0.989) using the full dataset and 0.988 with ground‐based parameters. EBd and f0 were key contributors to damage, while PGA dominated strong‐motion models. Specificity consistently outperformed sensitivity in earthquake‐parameter models.
Mustafa Senkaya, Serhat E. Akhanlı, Ali Silahtar, Hasan Karaaslan   +3 more
wiley   +1 more source

ANALISIS INDEKS KERENTANAN SEISMIK BERDASARKAN NILAI vs30 PADA ZONA TERDAMPAK GEMPA BUMI (Studi Kasus: Gempa Cianjur 21 November 2022)

KURVATEK
Gempa bumi merupakan salah satu bencana alam yang sering terjadi di Indonesia. Gempa bumi Cianjur 21 November 2022 berdampak pada kerusakan bangunan yang memiliki kesesuaian pola dengan jalur sesar lokal yang baru teridentifikasi.
Dea Mutiara Jannah
semanticscholar   +1 more source

Investigation of Subsurface Characteristics by using a Vs30 Parameter and a Combination of the Hvsr and Spac Methods for Microtremor Arrays

International Journal of Technology, 2017
Palu City is an active seismic area in Indonesia due to the very active Palu-Koro fault system. The development of the city area, therefore, must consider the risks induced by the seismic activities. The risk assessment has to be supported by information
Sigit Pramono, Widjojo Prakoso, Astri Rahayu, Ariska Rudyanto, Fajri SukurRahmatullah, sofian Piandatte, Phil Cummins   +6 more
doaj   +1 more source

Site amplification in the Kathmandu Valley during the 2015 M7.6 Gorkha, Nepal earthquake [PDF]

, 2016
The 25th April 2015 M7.6 Gorkha earthquake caused significant damage to buildings and infrastructure in both Kathmandu and surrounding areas as well as triggering numerous, large landslides. This resulted in the loss of approximately 8600 lives.
,, Burton, P, Datla, S, Dejong, M, Fenton, C, Franco, G, Gosh, B, Lloyd, T, Novellis, V, Tallett-Williams, S, Trieu, A, White, T, Whitworth, M, Wilkinson, S   +13 more
core   +1 more source

Evaluation of the Impact of Incident Wavefield Modeling on Soil‐Structure Interaction of Buildings Using Broadband Physics‐Based 3D Earthquake Simulations

Earthquake Engineering &Structural Dynamics, Volume 54, Issue 9, Page 2339-2362, 25 July 2025.
ABSTRACT Despite the complexity of real earthquake motions, the incident wavefield excitation for soil‐structure interaction (SSI) analysis is conventionally derived from one‐dimensional site response analysis (1D SRA), resulting in idealized, decoupled vertically incident shear and compressional waves for the horizontal and vertical components of the ...
Junfei Huang, David McCallen
wiley   +1 more source

Limitaciones del parámetro Vs30 para la predicción del movimiento fuerte

Obras y proyectos
El parámetro Vs30, esto es, el promedio armónico de las ondas S en los 30 primeros metros de la superficie se ha usado extensivamente para modelar las condiciones locales de un sitio.
Felipe Leyton
semanticscholar   +1 more source

IDENTIFIKASI ZONA POTENSI LIKUIFAKSI DI KOTA BANDAR LAMPUNG BERDASARKAN ANALISIS DATA SPASIAL

JGE
Likuifaksi terjadi ketika tanah yang jenuh air kehilangan kekuatannya akibat pergerakan tanah yang disebabkan oleh gempabumi. Keberadaan sesar-sesar aktif di daerah penelitian meningkatkan risiko aktivitas gempabumi yang dapat memicu likuifaksi.
Razki Alfatah Khairu Mahli, Syeikha Puspita Dewi, Paulina Beny Claudia Manullang, Hari Wiki Utama, Rahmi Mulyasari   +4 more
doaj   +1 more source