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RISClosure to “Effect of Near-Fault Vertical Ground Motions on Seismic Response of Highway Overcrossings” by Sashi K. Kunnath, Emrah Erduran, Y. H. Chai, and Mark Yashinsky
Publisher: American Society of Civil Engineers
Assessment of Building Robustness against Disproportionate Collapse
Publisher: ASCE
Abstract: This paper presents a methodology to assess the robustness of moment-resisting RC frame buildings under multiple-column-loss scenarios. In the proposed approach, kinetic and strain energy are employed as objective measures ...
Closure to “Nonlinear Uniaxial Material Model for Reinforcing Steel Bars” by Sashi K. Kunnath, YeongAe Heo, and Jon F. Mohle
Publisher: American Society of Civil Engineers
Material Model Incorporating Buckling of Reinforcing Bars in RC Columns
Publisher: American Society of Civil Engineers
Abstract: An efficient material model was developed for reinforcing steel in reinforced concrete (RC) columns that implicitly incorporates the degrading effects of bar-buckling. Utilizing the beam-on-springs model developed by the ...
Computational Simulation of Gravity-Induced Progressive Collapse of Steel-Frame Buildings: Current Trends and Future Research Needs
Publisher: American Society of Civil Engineers
Nonlinear Response of Two-Way Asymmetric Single-Story Building under Biaxial Excitation
Publisher: American Society of Civil Engineers
Abstract: Findings from nonlinear dynamic analyses investigating the torsional response of a two-way asymmetric single-story building under biaxial excitations are reported. Ground motions of increasing intensities, characterized ...
Uniaxial Nonlocal Formulation for Geometric Nonlinearity–Induced Necking and Buckling Localization in a Steel Bar
Publisher: American Society of Civil Engineers
Abstract: A nonlocal formulation with the potential to mitigate mesh dependence in fiber models for steel elements is presented. The formulation addresses two common modes of localization in prismatic steel bars: tension necking and ...
Concrete Uniaxial Nonlocal Damage-Plasticity Model for Simulating Post-Peak Response of Reinforced Concrete Beam-Columns under Cyclic Loading
Publisher: ASCE
Abstract: Rigorous predication of localized deformations in reinforced concrete (RC) structures under cyclic loading is critical from the standpoint of seismic performance assessment. Among the available predictive tools, the ...