Experiences, accomplishments, lessons, and challenges of E‐defense—Tests using world's largest shaking table

M Nakashima, T Nagae, R Enokida… - Japan Architectural …, 2018 - Wiley Online Library
E‐Defense, which is operated by the Japanese National Research Institute for Earth
Science and Disaster Resilience, currently contains the world's largest 3‐dimensional …

Deterioration modeling of steel components in support of collapse prediction of steel moment frames under earthquake loading

DG Lignos, H Krawinkler - Journal of Structural Engineering, 2011 - ascelibrary.org
Reliable collapse assessment of structural systems under earthquake loading requires
analytical models that are able to capture component deterioration in strength and stiffness …

Effect of gravity framing on the overstrength and collapse capacity of steel frame buildings with perimeter special moment frames

A Elkady, DG Lignos - Earthquake Engineering & Structural …, 2015 - Wiley Online Library
This paper investigates the effect of the gravity framing system on the overstrength and
collapse risk of steel frame buildings with perimeter special moment frames (SMFs) …

Development and utilization of structural component databases for performance-based earthquake engineering

DG Lignos, H Krawinkler - Journal of Structural Engineering, 2013 - ascelibrary.org
Performance-based earthquake engineering necessitates the development of reliable
nonlinear analysis models that are able to simulate the behavior of structures from the onset …

Rapid seismic fragility curves assessment of eccentrically braced frames through an output-only nonmodel-based procedure and machine learning techniques

O Yazdanpanah, KM Dolatshahi, O Moammer - Engineering Structures, 2023 - Elsevier
A nonmodel and output-only-based framework incorporating an Auto-Regressive model and
roof absolute acceleration response are hired in this study to compute a robust wavelet …

Computational approach for collapse assessment of concentrically braced frames in seismic regions

E Karamanci, DG Lignos - Journal of Structural Engineering, 2014 - ascelibrary.org
This paper proposes a computational approach for the collapse assessment of
concentrically braced frames (CBFs) subjected to earthquakes. Empirical formulations for …

Full-scale testing of deep wide-flange steel columns under multiaxis cyclic loading: Loading sequence, boundary effects, and lateral stability bracing force demands

A Elkady, DG Lignos - Journal of Structural Engineering, 2018 - ascelibrary.org
This paper discusses the findings from 10 full-scale steel column tests subjected to multiaxis
cyclic loading. The columns use deep wide-flange cross sections typically seen in steel …

Modeling of the composite action in fully restrained beam‐to‐column connections: implications in the seismic design and collapse capacity of steel special moment …

A Elkady, DG Lignos - Earthquake Engineering & Structural …, 2014 - Wiley Online Library
This paper investigates the effect of the composite action on the seismic performance of
steel special moment frames (SMFs) through collapse. A rational approach is first proposed …

Performance-based seismic design method for retrofitting steel moment-resisting frames with self-centering energy-absorbing dual rocking core system

S Hu, W Wang, MS Alam - Journal of Constructional Steel Research, 2022 - Elsevier
This research intends to propose an upgraded strategy for steel moment-resisting frames
(SMRFs) by implementing Self-Centering Energy-absorbing Dual Rocking Core (SEDRC) …

Analytical investigation of the cyclic behavior and plastic hinge formation in deep wide-flange steel beam-columns

A Elkady, DG Lignos - Bulletin of Earthquake Engineering, 2015 - Springer
This paper investigates the cyclic behavior of deep wide-flange sections, used as columns in
steel Special Moment Frames (SMFs), through detailed finite element (FE) analysis. A wide …