Seismic Behavior of Knee-Braced Steel Moment Frames

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MOHEBKHAH A.; Bazvand A.R.

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Journal Paper

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Journal: Ferdowsi Civil Engineering Year:2018 | Volume:31 | Issue:1 (21) Page(s): 1-14

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Information Journal Paper

Title

Seismic Behavior of Knee-Braced Steel Moment Frames

Author(s)

MOHEBKHAH A. | Bazvand A.R. | Issue Writer Certificate

Keywords

Steel FrameQ1

Knee BracingQ1

Time-history dynamic analysisQ1

Nonlinear Static AnalysisQ2

Seismic ParametersQ1

Abstract

Moment-resisting Steel Frames (MRSFs) have high ductility, however, suffer from low lateral stiffness and large lateral drifts. Recently, a new LFRS called knee-braced moment frame (KBMF) has been introduced in the literature in which the seismic behavior of an ordinary moment frame is improved using some knee elements as structural ductile fuses in the vicinity of beam-to-column moment connections. In this research, seismic behavior of some 3, 6 and 10 stories KBMFs with different span numbers are studied using nonlinear static and dynamic time-history analyses. The results show that the overstrength factor as well as behavior factor of KBMFs are considerably larger than the corresponding factors for MRSFs. Furthermore, it was observed that the column axial demands in KBMFs – except for the top stories-are smaller than those proposed in the Seismic Provisions for MRSFs.

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APA: Copy

MOHEBKHAH, A., & Bazvand, A.R.. (2018). Seismic Behavior of Knee-Braced Steel Moment Frames. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), 31(1 (21) ), 1-14. SID. https://sid.ir/paper/195844/en

Vancouver: Copy

MOHEBKHAH A., Bazvand A.R.. Seismic Behavior of Knee-Braced Steel Moment Frames. JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING)[Internet]. 2018;31(1 (21) ):1-14. Available from: https://sid.ir/paper/195844/en

IEEE: Copy

A. MOHEBKHAH, and A.R. Bazvand, “Seismic Behavior of Knee-Braced Steel Moment Frames,” JOURNAL OF CIVIL ENGINEERING (JOURNAL OF SCHOOL OF ENGINEERING), vol. 31, no. 1 (21) , pp. 1–14, 2018, [Online]. Available: https://sid.ir/paper/195844/en

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