The Proceedings of the Dynamics & Design Conference
Online ISSN : 2424-2993
2006
Session ID : 417
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417 The Evaluation of Damping Characteristics for a Middle-rise Steel Framed Building Based on Measurement Data
Shigeaki YOSHISEToshiharu ARAKAWA
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CONFERENCE PROCEEDINGS FREE ACCESS

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Abstract
This paper presents the evaluation of first mode damping ratios, the changes along passages, and amplitude dependence for a middle-rise steel framed building based on measurement data. The building is 50 m height. It is rectangular plan and many data are simultaneously collected in two horizontal directions at optional points on the top floor. By using random decrement technique, first mode damping ratios are calculated. It is clarified characteristics of the changes along passages of first mode damping ratios based on microtremor measurement, and amplitude dependence based on strong wind and earthquake measurement.
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© 2006 The Japan Society of Mechanical Engineers
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