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Pounding force response spectrum under near-fault strong ground motion

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Year: 2012
COI code: ISAV02_018
Paper Language: English

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Authors Pounding force response spectrum under near-fault strong ground motion

  Moein Rezaei Balouchi - MS Student, Dept. of Civil Eng., Faculty of Eng., University of Guilan, P.O. Box 3756,
Reza Saleh Jalali - Assistant Professor,


The impact force response spectrum between two adjacent linear structures excited by faultnormal pulse and fault-parallel displacement with different magnitudes has been considered. Bothstructures have been modelled by single-degree-of-freedom systems and pounding has been simulatedby the non-linear viscoelastic model. The system of coupled equations of motion of the model has been solved by the fourth-order runge-kutta method. The results of the study indicate that thepeak pounding force between adjacent structures induced by fault-normal pulse is many times larger than that induced by fault-parallel displacement. Because of high velocity of the fault motion and under fault-normal pulse with magnitudes M=5, 6, and 7 the gap size of 15cm, 90cm, and 2.25m are necessary, respectively, to avoid collisions for all considered combinations of the structural periods. Under fault-parallel displacement with magnitudes M=5, 6, and 7 the separation gap of 5.5cm, 31cm, and 97cm are necessary, respectively, to prevent pounding


Pounding force, Response spectrum, near-fault earthquake, Forward directivity,Fling-step

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COI code: ISAV02_018

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Rezaei Balouchi, Moein & Reza Saleh Jalali, 2012, Pounding force response spectrum under near-fault strong ground motion, 2nd International Conference on Acoustics and Vibration, تهران, دانشگاه صنعتي شريف, the text, wherever referred to or an achievement of this article is mentioned, after mentioning the article, inside the parental, the following specifications are written.
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The University/Research Center Information:
Type: state university
Paper No.: 11468
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