نتایج جستجو برای: ground motion

تعداد نتایج: 346347  

2013
Ting Lin Jack W. Baker

Adaptive Incremental Dynamic Analysis (AIDA) is a novel ground motion selection scheme that adaptively changes the ground motion suites at different ground motion intensity levels to match hazardconsistent properties for structural response assessment. Incremental Dynamic Analysis (IDA), a current dynamic response history analysis practice in Performance-Based Earthquake Engineering (PBEE), use...

Journal: :The Journal of the Acoustical Society of America 1971

Journal: :فیزیک زمین و فضا 0
سید حسن موسوی بفروئی دانشجوی دکتری، گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران، ایران نوربخش میرزائی دانشیار، گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران، ایران الهام شعبانی استادیار، گروه فیزیک زمین، مؤسسه ژئوفیزیک دانشگاه تهران، ایران مرتضی اسکندری قادی دانشیار، دانشکده مهندسی عمران، پردیس دانشکده های فنی، دانشگاه تهران، ایران

growing environmental and social concerns, both on the part of decision makers and public opinion, have brought a new perspective to the perception of hazard assessments a valid alternative in the long-term, and an effective complement in short and medium terms, to traditional design procedure for a resistant and safe environment. results of the gradual development of research on the probabilis...

Journal: :Geophysical Research Letters 2013

2016
J. J. Hu Q. Zhang Z. J. Jiang L. L. Xie B. F. Zhou

The 2014 Ms 6.5 (Mw6.1) Ludian earthquake occurred in the eastern Sichuan-Yunnan border region of western China. This earthquake caused much more severe engineering damage than the usual earthquakes with the same magnitude in China. The National Strong Motion Network obtained large set of ground motion recordings during the earthquake. To investigate the engineering interested characteristics o...

Journal: :international journal of civil engineering 0
m. khanzadi g. ghodrati amiri g. abdollahzadeh darzi

according to performance-based seismic design method by using energy concept, in this paper it is tried to investigate the duration and damping effects on elastic input energy due to strong ground motions. based on reliable iranian earthquake records in four types of soils, structures were analyzed and equivalent velocity spectra were computed by using input energy. these spectra were normalize...

The present aim of this study is to investigate the effect of different parameters influencing pounding in highway bridges. Pounding is the result of a collision between two parts of the deck and/or the deck and abutments at the separation distance during the earthquake.  In the present study, the period ratio of the adjacent frames, ground motion spatial variation, and soil-structure interacti...

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