نتایج جستجو برای: strong ground motion

تعداد نتایج: 701655  

Journal: :international journal of maritime technology 0
behrouz asgarian no. 1346, valiasr st., mirdamad intersection 19967, p.o.box. 15875-4416, tehran, iran m boroumand no. 1346, valiasr st., mirdamad intersection 19967, p.o.box. 15875-4416, tehran, iran mohamad zarrin no. 1346, valiasr st., mirdamad intersection 19967, p.o.box. 15875-4416, tehran, iran

in this paper, pile behavior embedded in layered soil deposits subjected to seismic loadings is analyzed using a nonlinear fiber element for simulation of soil – pile interactions. in the created model, both pile and surrounding soil are modeled using fiber elements in a practical beam on nonlinear winkler foundation (bnwf) concept. herein, the features of drain–3dx finite element software are ...

2005
M. D. TRIFUNAC F. E. UDWADIA

Accelerograms recorded at six stations in the metropolitan Los Angeles area during the Borrego Mountain, 1968, the Lytle Creek, 1970, and the San Fernando, 1971, earthquakes in southern California have been studied. In comparing the ground motions recorded during different earthquakes at each of the six stations and in correlations of these motions recorded at different stations during the same...

Behrouz Asgarian, Mahdi Boroumand, Mohamad Zarrin,

In this paper, pile behavior embedded in layered soil deposits subjected to seismic loadings is analyzed using a nonlinear fiber element for simulation of soil – pile interactions. In the created model, both pile and surrounding soil are modeled using fiber elements in a practical Beam on Nonlinear Winkler Foundation (BNWF) concept. Herein, the features of DRAIN–3DX finite element software are ...

A. Heidari, J. Raeisi , R. Kamgar,

Cumulative absolute velocity (CAV), Arias intensity (AI), and characteristic intensity (CI) are measurable characteristics to show collapse potential of structures, evaluation of earth movement magnitude, and detection of structural failure in an earthquake. In this paper, parameters which describe three characteristics of ground motion have been investigated by using wavelet transforms (WT). I...

Journal: :Zisin (Journal of the Seismological Society of Japan. 2nd ser.) 2009

Journal: :Zisin (Journal of the Seismological Society of Japan. 2nd ser.) 2009

Journal: :فیزیک زمین و فضا 0
حمیدرضا جوان امروز گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران مرتضی اسکندری قادی دانشکده مهندسی عمران، پردیس دانشکده های فنی دانشگاه تهران نوربخش میرزائی گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران

ground vibrations during an earthquake can severely damage structures and equipments housed in them. many factors including earthquake magnitude, distance from the fault or epicenter, duration of strong shaking, soil condition of the site, and the frequency content of the motion define the properties of ground motion and its amplification. a deep understanding of the effects of these factors on...

Journal: :Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE)) 2015

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