Assessment of ASCE/SEI 41 Concrete Column Provisions using Shaking Table Tests


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Title: Assessment of ASCE/SEI 41 Concrete Column Provisions using Shaking Table Tests

Author(s): Y. Li, K.J. Elwood, and S.-J. Hwang

Publication: Special Publication

Volume: 297


Appears on pages(s): 1-22

Keywords: Shaking table tests; ASCE/SEI 41; reinforced concrete columns; shear failure, axial-load failure.

Date: 3/6/2014

A database comprised of 59 reinforced concrete columns subjected to strong ground shaking using earthquake simulators (or shaking tables) is compiled. This paper will focus on insights provided by the database related to the concrete column provisions in ASCE/SEI 41. In particular, the Shaking Table Test Column Database is used to evaluate the accuracy of column effective stiffness models, column classification criteria, and the level of conservatism provided by the plastic rotation capacities specified in ASCE/SEI 41. It is found that the Standard generally overestimates the column effective stiffness, while providing a mean value estimate of the column shear strength regardless of tie spacing. The modeling parameters specified in the standard provide conservative estimate of the column drift capacities and are consistent with the targeted probability of failure. Refinements of the shear strength model and the criteria for column classifications are suggested. This study also compares the measured response of columns subjected to quasi-static cyclic loads and shaking table tests.