Results 41 to 50 of about 1,216,082 (231)

THE CONTRIBUTION OF EARTHQUAKES TO THE DEFORMATION OF ZAGROS TECTONIC PROVINCE [PDF]

open access: yesThe International Archives of the Photogrammetry, Remote Sensing and Spatial Information Sciences, 2019
In this study, we investigate the contribution of earthquakes to the deformation of Zagros province and compare the seismicity and the density of earthquakes in different parts of the province.
M. A. Sharifi, A. Bahroudi, S. Mafi
doaj   +1 more source

DISTRIBUTION OF REDUCED SEISMIC ENERGY AND STRESS DROP IN THE ALTAI-SAYAN SEISMOACTIVE REGION

open access: yesГеодинамика и тектонофизика
The data bank has been created to address the tensor of the seismic moment of earthquakes that occurred in the Altai-Sayan seismically active region in the period 1978–2025.
N. A. Sycheva, L. M. Bogomolov
doaj   +1 more source

The North East Italy (NI) broadband seismic network run by OGS: experience in improving the long period performances

open access: yes, 2009
The NI broadband seismic network is designed to monitor regional seismic activity of North East Italy and surroundings as well as to provide high quality data for various research projects in regional and global broadband seismology, like moment tensor
Pesaresi, D., CRS seismic team
core   +2 more sources

Influence of Rocking Shallow Foundation Parameters and Analysis of Seismic Response Characteristics

open access: yesBuildings
Rocking shallow foundations interrupt the seismic transmission path from the base of the structure and possess advantages, such as effective seismic isolation, self-resetting capabilities post-earthquake, and low costs.
Jia Bin   +4 more
doaj   +1 more source

Dynamic Behavior of Pile-Supported Structures with Batter Piles according to the Ground Slope through Centrifuge Model Tests

open access: yesApplied Sciences, 2020
Pile-supported structures incorporating batter piles are commonly used, and can be installed both on the horizontal and inclined ground. Recent studies have considered the positive role of batter piles during earthquakes, highlighting their satisfactory ...
Jungwon Yun, Jintae Han
doaj   +1 more source

Performance Evaluation of Moment Connections of Moment Resisting Frames Against Progressive Collapse [PDF]

open access: yesJournal of Structural and Construction Engineering, 2017
When a primary structural element fails due to sudden load such as explosion, the building undergoes progressive collapse. The method for design of moment connections during progressive collapse is different to seismic design of moment connections ...
M. Mahmoudi, S. Varmaghani
doaj   +1 more source

A Fast Evaluation of the Seismic Moment Tensor for Induced Seismicity

open access: yesBulletin of the Seismological Society of America, 2000
An original method is proposed for the evaluation of moment tensor components using time-domain calculations of low-frequency displacement amplitudes with the first-wave polarities attached. The technique is suitable for applications involving large amounts of data that require a fast response time, such as those encountered in the analysis of induced ...
Trifu, C-I, Angus, DAC, Shumila, V
openaire   +3 more sources

Towards using seismic anisotropy to interpret ductile deformation in mafic lower crust [PDF]

open access: yes, 2008
The lower crust forms an important geodynamic control in continental tectonics and the communication and coupling of kinematics between surface and deep-Earth processes.
Tatham, Daniel John
core   +5 more sources

Estimation of seismic moments from local magnitudes and coda durations for the Cairo earthquake aftershocks recorded at Kottamyia (KEG) Broadband station

open access: yesAnnals of Geophysics, 2003
The spectral analysis of fifty-five KEG VBB records from the October 12, 1992 Cairo earthquake source region was performed to obtain the seismic moment.
M. F. Abdelwahed   +3 more
doaj   +1 more source

Dynamic Response Difference of Single Pile and Pile Group with Variable Section in Variation of Seismic Subsidence Soil Layer

open access: yesShanghai Jiaotong Daxue xuebao
In order to study the difference of dynamic response between large diameter variable section single pile and pile group foundations in seismic subsidence soil with different thicknesses under ground motion, based on the Xiang’an Bridge of Xiamen Second ...
FENG Zhongju, WANG Wei, ZHANG Cong, ZHU Jixin, WANG Yiran, MENG Yingying
doaj   +1 more source

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