Comparison of Base Shears Estimated from Floor Accelerations and Column Shears | Zendy

Goel Rakesh K. | Zendy

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Comparison of Base Shears Estimated from Floor Accelerations and Column Shears

Author(s) -

Goel Rakesh K.

Publication year - 2011

Publication title -

earthquake spectra

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 1.134

H-Index - 92

eISSN - 1944-8201

pISSN - 8755-2930

DOI - 10.1193/1.3610247

Subject(s) - shear (geology) , ground motion , base (topology) , geology , inertial frame of reference , structural engineering , geotechnical engineering , geodesy , seismology , engineering , mathematics , physics , classical mechanics , petrology , mathematical analysis

This paper compares base shears computed from floor accelerations (inertial base shear) and column shears (structural base shear) for two mid-rise, multistory buildings due to a suite of 30 earthquake ground motions. The presented results demonstrate that the inertial base shear exceeds the structural base shear in the median by 10% to 20% and may exceed the structural base shear by as much as 70% for individual ground motions. Therefore, it is concluded that the inertial base shear computed from strong motion records should be used with caution to estimate the structural base shear.

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