Results 21 to 30 of about 11,890,366 (254)

Long-period ground motion simulation using centroid moment tensor inversion solutions based on the regional three-dimensional model in the Kanto region, Japan

open access: yesEarth, Planets and Space, 2021
We conducted centroid moment tensor (CMT) inversions of moderate (Mw 4.5–6.5) earthquakes in the Kanto region, Japan, using a local three-dimensional (3D) model.
Shunsuke Takemura   +2 more
doaj   +1 more source

Seismic Fragility Assessment of Steel SMRF Structures under Various Types of Near and Far Fault Ground Motions [PDF]

open access: yesJournal of Rehabilitation in Civil Engineering, 2019
In this paper, the seismic collapse probability of special steel moment-resisting frame (SSMRF) structures, designed to 4th edition of Iranian seismic design code, under near fault pulse-like and far fault ordinary ground motions is evaluated through ...
Morteza Razi   +3 more
doaj   +1 more source

Preliminary finite difference simulation of long-period strong ground motions for the Yangbi MS6.4 earthquake

open access: yes地球与行星物理论评, 2022
According to the geological and geomorphic characteristics of the Sichuan-Yunnan area, previous geological data and the preliminary inversion results of source parameters of the Yangbi MS6.4 earthquake in 2021, we established a three-dimensional velocity
Zhiwei Ji, Xueliang Chen, Bo Zhang
doaj   +1 more source

Assessment of Near-Fault Ground Motion Effects on the Fragility Curves of Tall Steel Moment Resisting Frames [PDF]

open access: yesCivil Engineering Infrastructures Journal, 2020
Nowadays it is common to use the fragility curves in probabilistic methods to determine the collapse probability resulting from an earthquake. The uncertainties exist in intensity and frequency content of the earthquake records are considered as the most
Seyed Ahmad Mobinipour   +1 more
doaj   +1 more source

The 2011 off the Pacific coast of Tohoku earthquake and response of high-rise buildings under long-period ground motions [PDF]

open access: yes, 2011
In the afternoon of March 11, 2011, the eastern Japan was severely attacked by the 2011 off the Pacific coast of Tohoku earthquake (the Great East Japan earthquake).
Yoshitomi, S.   +9 more
core   +1 more source

Hysteretic-Viscous Hybrid Damper System With Stopper Mechanism for Tall Buildings Under Earthquake Ground Motions of Extremely Large Amplitude

open access: yesFrontiers in Built Environment, 2020
This paper is aimed at proposing a hysteretic-viscous hybrid (HVH) damper system for tall buildings subjected to long-period pulse-type earthquake ground motions of extremely large amplitudes. The HVH system was introduced for a single-degree-of-freedom (
Shoki Hashizume, Izuru Takewaki
doaj   +1 more source

The region of large site amplification in Northern Hokkaido, Japan, extends to the eastern Soya Region

open access: yesEarth, Planets and Space, 2023
In the document titled “predominant period of long-period ground motions and the natural period of deep subsoil” by the Central Disaster Management Council, the west part of Northern Hokkaido facing the Sea of Japan is categorized as a region, where long-
Atsushi Nozu
doaj   +1 more source

Earthquake-induced rotational ground motions from G-Pisa ring laser gyroscope. [PDF]

open access: yes, 2012
In order to fully characterize the local ground motion induced by earthquakes, one needs to determine three components of translation, six components of strain and three components of rotation (Aki and Richards, 2002).
LICCIARDI, ANDREA
core   +1 more source

Simulation of Spatially Correlated Multipoint Ground Motions in a Saturated Alluvial Valley

open access: yesShock and Vibration, 2021
Based on Biot’s theory, the boundary element method, and spectral representation method, an effective simulation method for multiple-station spatially correlated ground motions on both bedrock and surface is developed, incorporating the spectral density ...
Ying He   +4 more
doaj   +1 more source

Relationship Between Asperities and Velocity Pulse Generation Mechanism

open access: yesFrontiers in Earth Science, 2022
Near-fault ground motion records often capture instances of pulse-like behavior, where a burst of energy is expressed as large wave amplitude that occur over short time.
Lu Han   +4 more
doaj   +1 more source

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