Drift estimates in frame buildings subjected to near-fault ground motions

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2005-07-01

Author

Akkar, S
Yazgan, U
Gulkan, P

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A simple procedure to estimate the local displacement demands in regular frame-type structures that respond in elastic limits is described. Given the spectral displacement and beam-to-column stiffness ratio. the procedure estimates the maximum ground story and maximum interstory drifts along the height of the structure. A total of 145 near-fault ground motions recorded oil dense-to-firm soil sites are used for the evaluation of the procedure. The approximate drift demands Computed front this procedure and (lie exact results from 27,550 response history analyses are used for calculating the error statistics. The calculations show that the procedure can be used with confidence for frames with fundamental periods between 0.3 and 1.5 s when they are subjected to near-fault records without pulse. The approximations are in good agreement with the exact response history results of near-fault records with Pulse when the fundamental period to pulse period ratio is less than 1.5. The performance of the new procedure is also compared with other approximate methods that are employed for similar purposes. The method can be useful for preliminary design of new, structures or rapid assessment of existing buildings.

Subject Keywords

Mechanical Engineering, General Materials Science, Mechanics of Materials, Civil and Structural Engineering, Building and Construction

URI

https://hdl.handle.net/11511/67246

Journal

JOURNAL OF STRUCTURAL ENGINEERING-ASCE

DOI

https://doi.org/10.1061/(asce)0733-9445(2005)131:7(1014)

Collections

Department of Civil Engineering, Article

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Citation Formats

S. Akkar, U. Yazgan, and P. Gulkan, “Drift estimates in frame buildings subjected to near-fault ground motions,” JOURNAL OF STRUCTURAL ENGINEERING-ASCE, pp. 1014–1024, 2005, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/67246.