COMPARISON OF STATIC AND DYNAMIC PUSHOVER ANALYSIS IN ASSESSMENT OF THE TARGET DISPLACEMENT

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ROFOOEIL F.Y.; ATTARI N.K.; SHODJA A.H.; RASEKH A.

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Journal Paper

Paper Information

Journal: INTERNATIONAL JOURNAL OF CIVIL ENGINEERING Year:2006 | Volume:4 | Issue:3 Page(s): 212-225

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Title

COMPARISON OF STATIC AND DYNAMIC PUSHOVER ANALYSIS IN ASSESSMENT OF THE TARGET DISPLACEMENT

Author(s)

ROFOOEIL F.Y. | ATTARI N.K. | SHODJA A.H. | RASEKH A. | Issue Writer Certificate

Keywords

SEISMIC NONLINEAR ANALYSIS

PUSHOVER ANALYSIS

FEMA 356

LOAD PATTERN

TARGET DISPLACEMENT

Abstract

Pushover analysis is a simplified nonlinear analysis technique that can be used to estimate the dynamic demands imposed on a structure under earthquake excitations. One of the first steps taken in this approximate solution is to assess the maximum roof displacement, known as TARGET DISPLACEMENT, using the base shear versus roof displacement diagram. That could be done by the so-called dynamic PUSHOVER ANALYSIS, i.e. a dynamic time history analysis of an equivalent single degree of freedom model of the original system, as well as other available approximate static methods. In this paper, a number of LOAD PATTERNs, including a new approach, are considered to construct the related pushover curves. In a so-called dynamic PUSHOVER ANALYSIS, the bi-linear and tri-linear approximations of these pushover curves were used to assess the TARGET DISPLACEMENTs by performing dynamic nonlinear time history analyses. The results obtained for five different special moment resisting steel frames, using five earthquake records were compared with those resulted from the time history analysis of the original system. It is shown that the dynamic PUSHOVER ANALYSIS approach, specially, with the tri-linear approximation of the pushover curves, proves to have a better accuracy in assessing the TARGET DISPLACEMENTs. On the other hand, when nonlinear static procedure seems adequate, no specific preference is observed in using more complicated static procedures (proposed by codes) compared to the simple first mode TARGET DISPLACEMENT assessment.

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APA: Copy

ROFOOEIL, F.Y., ATTARI, N.K., SHODJA, A.H., & RASEKH, A.. (2006). COMPARISON OF STATIC AND DYNAMIC PUSHOVER ANALYSIS IN ASSESSMENT OF THE TARGET DISPLACEMENT. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, 4(3), 212-225. SID. https://sid.ir/paper/271734/en

Vancouver: Copy

ROFOOEIL F.Y., ATTARI N.K., SHODJA A.H., RASEKH A.. COMPARISON OF STATIC AND DYNAMIC PUSHOVER ANALYSIS IN ASSESSMENT OF THE TARGET DISPLACEMENT. INTERNATIONAL JOURNAL OF CIVIL ENGINEERING[Internet]. 2006;4(3):212-225. Available from: https://sid.ir/paper/271734/en

IEEE: Copy

F.Y. ROFOOEIL, N.K. ATTARI, A.H. SHODJA, and A. RASEKH, “COMPARISON OF STATIC AND DYNAMIC PUSHOVER ANALYSIS IN ASSESSMENT OF THE TARGET DISPLACEMENT,” INTERNATIONAL JOURNAL OF CIVIL ENGINEERING, vol. 4, no. 3, pp. 212–225, 2006, [Online]. Available: https://sid.ir/paper/271734/en

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