2019
DOI: 10.24200/sci.2019.51919.2424
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Damping estimation of a double layer grid with ball joint system by output-only modal identification

Abstract: Modal parameters of large civil engineering structures such as modal damping ratios (MDRs) are determined mainly by output-only modal identification. In this paper, MDRs of a double layer grid were obtained using output-only modal identification. For this purpose, a double layer grid constructed from ball-joint system was tested. Doing some random tapping on the structure, the acceleration response in multiple locations was measured. The acquired data was processed using output-only modal identification to arr… Show more

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“…Modal parameter identification of a civil structure is important in various aspects including dynamic response assessment, structural health monitoring, vibration control, etc [1][2][3][4][5][6]. The important modal parameters for a specific structural mode include the natural frequency, the damping ratio, and the mode shape [7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%
“…Modal parameter identification of a civil structure is important in various aspects including dynamic response assessment, structural health monitoring, vibration control, etc [1][2][3][4][5][6]. The important modal parameters for a specific structural mode include the natural frequency, the damping ratio, and the mode shape [7][8][9][10].…”
Section: Introductionmentioning
confidence: 99%