Experimental and numerical evaluation of two-level pipe damper

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Tizhoosh Sardroodi Hossein; Moaddab Elham

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Journal Paper

Paper Information

Journal: JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING Year:2021 | Volume:8 | Issue:3 Page(s): 75-95

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Information Journal Paper

Title

Experimental and numerical evaluation of two-level pipe damper

Author(s)

Tizhoosh Sardroodi Hossein | Moaddab Elham | Issue Writer Certificate

Keywords

Pipe damperQ1

Severe earthquakesQ1

Moderate earthquakesQ1

Energy dissipationQ1

DampingQ3

Abstract

In this paper, a new kind of ring damper composed of three rings is introduced and investigated numerically and experimentally. The proposed damper combined three steel ring damper in order to dissipate energy of two different level of predefined excitation such as moderate and severe one. first fuse (outer pipe) and second fuse (inner pipes) can absorb energy in moderate and Severe earthquakes respectively. To evaluate the introduced damper, numerical finite element models are developed to clarify the effect of thickness and diameter variation of main fuse. Results of force-displacement curves obtained from cyclic loading confirmed the two level performance of models. Stiffness and fore increase improved the Energy dissipation capacity after the predefined displacement gap. Also, Damping ratio are calculated for all samples and results showed that equivalent Damping ratio have been improved when main fuse was engaged. Two experimental samples have been constructed based on numerical models and examined under cyclic loading. Defined results of experiments showed that samples could tolerate 20 cycles of 10 times of yield displacement amplitude. Good agreement between numerical model and experimental samples results have been achieved.

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APA: Copy

Tizhoosh Sardroodi, Hossein, & Moaddab, Elham. (2021). Experimental and numerical evaluation of two-level pipe damper. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, 8(3 ), 75-95. SID. https://sid.ir/paper/393637/en

Vancouver: Copy

Tizhoosh Sardroodi Hossein, Moaddab Elham. Experimental and numerical evaluation of two-level pipe damper. JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING[Internet]. 2021;8(3 ):75-95. Available from: https://sid.ir/paper/393637/en

IEEE: Copy

Hossein Tizhoosh Sardroodi, and Elham Moaddab, “Experimental and numerical evaluation of two-level pipe damper,” JOURNAL OF STRUCTURAL AND CONSTRUCTION ENGINEERING, vol. 8, no. 3 , pp. 75–95, 2021, [Online]. Available: https://sid.ir/paper/393637/en

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