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Limited Ductility Design of Reinforced Concrete Columns for Tall Buildings in Low to Moderate Seismicity Regions by Johnny Ching Ming Ho is a Engineering article available to read on EtoBox.

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Nonlinear moment-curvature analysis using stress-strain relationships of the constitutive materials and take into account the stress path dependence of longitudinal steel was performed to study the structural parameters affecting the fl exural ductility of high-strength reinforced concrete (HSRC) columns. From the analysis, a theoretical equation for designing square-shaped limited ductility HSRC columns was proposed that correlates the volumetric ratio of confi ning reinforcement within critical region to the cross-section core area ratio, yield strengths of longitudinal and confi ning reinforcement, area ratio of longitudinal reinforcement, concrete strength and compressive axial load level. The validity of the proposed theoretical equation was verifi ed by testing eight square-shaped columns with concrete cylinder strength varied from 50 to 96 MPa and longitudinal steel ratio from 0.9 to 6.1% that contained the proposed content of confi ning reinforcement within the critical region of columns. Outside the critical region, the confi ning steel is designed based on ultimate shear demand. The columns were tested under reversed cyclic inelastic displacements and compressive axial lo

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Author

Johnny Ching Ming Ho

Publisher

John Wiley and Sons; Wiley (John Wiley & Sons); John Wiley & Sons Inc.; Wiley (ISSN 1541-7794)

Published

2010

Language

EN

Field

Engineering (Physical Sciences)