Vibration Testing and Analysis of A Monumental Stair

Setareh, Mehdi; Wang, Xiaoyao

doi:10.1007/978-3-319-04774-4_16

Cited by 2 publications

(1 citation statement)

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“…• Experimental peak accelerations, as would be expected, are higher for ascents and descents with step frequencies close to 3.5 Hz, as this is one of the submultiples of the stair's natural frequency (13.9 Hz), a resonance build-up being obtained with the consecutive application of the steps by the test subject. • From the accelerations measured, it can be seen that vibrations increase with increasing step frequency and are higher for descents than for ascents, which is in agreement with the work performed on steel stairs by Bishop et al [24], Davis et al [1,11], González [2,3] and Setareh et al [6,27]. • The experimental peak accelerations obtained for individual tests are much higher than the recommended acceptable limits proposed by the different design guides and researchers, both for ascents and descents, regardless of the step frequency employed by the test subject.…”

Section: Single Pedestriansupporting

confidence: 88%

Numerical methods to predict human induced vibrations on low frequency stairs. Part 2: Evaluation by comparing with experimental data

Andrade¹,

Santos

Escórcio

2021

Structures

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Section: Single Pedestriansupporting

confidence: 88%

Numerical methods to predict human induced vibrations on low frequency stairs. Part 2: Evaluation by comparing with experimental data

Andrade¹,

Santos

Escórcio

2021

Structures

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Vibration Response of a Monumental Stair: Design & Validation

Mendes

Bauer

Zhang

et al. 2019

IABSE Congress, New York, New York 2019: The Evolving Metropolis

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<p>Monumental stairs are a common feature in buildings throughout New York City, as they provide both a practical means of egress and an aesthetic impact. It is often desired to make these stairs appear as light as possible, and as a result they are especially susceptible to excessive human-induced vibrations. While not a strength limit state, stair vibrations must nonetheless be limited to satisfy tolerance criteria for human comfort. The updated second edition of AISC Design Guide 11 includes new guidance for prediction and evaluation of stair vibration, including recommendations for finite element analysis. Thornton Tomasetti has developed a tool for analysis of stair vibration based largely on these recommendations, and numerous monumental stairs have been designed using this approach. One such stair is located in the NewYork- Presbyterian David H. Koch Center. Following its completion, a test program was implemented to measure the dynamic properties and response of the stair and compare with the design predictions. This paper describes the structural design of the stair and overviews the analytical approach used to predict the stair vibration response. The test program employed to measure the actual vibration response of the completed stair is also described, and the predicted and experimental vibration responses are compared.</p>

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Vibration Testing and Analysis of A Monumental Stair

Cited by 2 publications

References 13 publications

Numerical methods to predict human induced vibrations on low frequency stairs. Part 2: Evaluation by comparing with experimental data

Numerical methods to predict human induced vibrations on low frequency stairs. Part 2: Evaluation by comparing with experimental data

Vibration Response of a Monumental Stair: Design & Validation

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