Strength and Ductility Simulation of High-Strength Concrete Columns
Publication: Journal of Structural Engineering
Volume 123, Issue 10
Abstract
A basic step in the reliability evaluation of high-strength concrete (HSC) columns is the computation of the statistics of the column strength. However, the nonexistence of a widely accepted model for confined HSC, the unavailability of a closed-form solution to express column strength, and the compatibility with the assumed failure criterion make the computation of the strength statistics of HSC columns a very involved issue. In the present study, the strength statistics of HSC columns are assessed using Monte Carlo simulation. Confinement models for HSC are compared and a deterministic procedure for the computation of the column strength is developed. The strength statistics of 48 reinforced concrete columns representing normal-, high-, and very-high-strength are evaluated. The effects of the amount of confining steel, amount of longitudinal steel, and slenderness ratio are examined. Finally, ductility statistics at three different axial load levels are obtained. The influence of the amount of confining steel on the resulting ductility is also investigated.
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Information & Authors
Information
Published In
Journal of Structural Engineering
Volume 123 • Issue 10 • October 1997
Pages: 1365 - 1374
Copyright
Copyright © 1997 American Society of Civil Engineers.
History
Published online: Oct 1, 1997
Published in print: Oct 1997
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