STUDY OF SURFACE TOPOGRAPHY EFFECTS OF GISHA HILL ON EARTHQUAKE GROUND MOTION

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DERAKHSHAN H.; OMIDVAR B.; RAHIMIAN M.; NOURZAD A.A.

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Journal: Year:2006 | Volume:39 | Issue:5 (93) Page(s): 595-607

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Title

STUDY OF SURFACE TOPOGRAPHY EFFECTS OF GISHA HILL ON EARTHQUAKE GROUND MOTION

Author(s)

DERAKHSHAN H. | OMIDVAR B. | RAHIMIAN M. | NOURZAD A.A. | Issue Writer Certificate

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Abstract

In this paper the effects of surface topographies on earthquake ground motion is considered using direct boundary element method in time domain. The presented method is effective for modeling of surface irregularities with arbitrary shape under complex incident wave form. A real topography with particular importance in Iran, Gisha Hill, which represents a complex surface irregularity, is considered as study case and its behavior is studied under several incidences. An area of about 1400 by 1200 meters is modeled with quadrilateral serendipity boundary elements and the problem is solved for synthetic earthquake time history with various azimuths and angles of incidences. The results show that the areas nearby the top of the hill experience more excitations in some cases while more amplifications occur in the edges in other cases. The amplification pattern shows to be completely dependent on wave type, azimuth and angle of incidence..

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APA: Copy

DERAKHSHAN, H., OMIDVAR, B., RAHIMIAN, M., & NOURZAD, A.A.. (2006). STUDY OF SURFACE TOPOGRAPHY EFFECTS OF GISHA HILL ON EARTHQUAKE GROUND MOTION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), 39(5 (93)), 595-607. SID. https://sid.ir/paper/14449/en

Vancouver: Copy

DERAKHSHAN H., OMIDVAR B., RAHIMIAN M., NOURZAD A.A.. STUDY OF SURFACE TOPOGRAPHY EFFECTS OF GISHA HILL ON EARTHQUAKE GROUND MOTION. JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN)[Internet]. 2006;39(5 (93)):595-607. Available from: https://sid.ir/paper/14449/en

IEEE: Copy

H. DERAKHSHAN, B. OMIDVAR, M. RAHIMIAN, and A.A. NOURZAD, “STUDY OF SURFACE TOPOGRAPHY EFFECTS OF GISHA HILL ON EARTHQUAKE GROUND MOTION,” JOURNAL OF FACULTY OF ENGINEERING (UNIVERSITY OF TEHRAN), vol. 39, no. 5 (93), pp. 595–607, 2006, [Online]. Available: https://sid.ir/paper/14449/en

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