Search Results - "Kunnath, Sashi"

Shear Mechanisms in Reinforced Concrete Beams under Impact Loading by Zhao, De-Bo, Yi, Wei-Jian, Kunnath, Sashi K

“…AbstractA well-instrumented drop-weight test program was developed to investigate shear failure modes of large-scale RC beams under impact loading. Test…”
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Numerical simulation and shear resistance of reinforced concrete beams under impact by Zhao, De-Bo, Yi, Wei-Jian, Kunnath, Sashi K.

“…•The influence of beam span on the impact responses are investigated using a validated FE model.•Characteristics of local shear failure mechanisms under impact…”
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Discussion of “Estimating Plastic Strain and Residual Strain Capacity of Earthquake-Damaged Steel Reinforcing Bars” by G. Loporcaro, S. Pampanin, and M. V. Kral by Kunnath, Sashi K

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Effects of fling step and forward directivity on seismic response of buildings by Kalkan, Erol, Kunnath, Sashi K

“…This paper investigates the consequences of well-known characteristics of near-fault ground motions on the seismic response of steel moment frames…”
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Evaluation of Critical Input Directions for Establishing the Maximum Response of Structures under Bidirectional Seismic Action: Case Study of Eight-Story Structures by Li, Cuihua, Wang, Chengtong, Kunnath, Sashi K., Zheng, Zhi

“…AbstractThis study quantitatively evaluated the level of conservatism or accuracy of four typical directions used to assess the maximum structural response…”
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Advances in Computational Simulation of Gravity-Induced Disproportionate Collapse of RC Frame Buildings by Kunnath, Sashi K, Bao, Yihai, El-Tawil, Sherif

“…AbstractCurrent methods and practices for modeling and numerical simulation of disproportionate collapse of reinforced concrete (RC) frame buildings are…”
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Damage-Based Capacity Limit States for Nonductile Bridge Columns by Zhou, Jin, Kunnath, Sashi K.

“…Abstract The ability to estimate, with reasonable accuracy, the likelihood and extent of damage to bridges following an earthquake is crucial to postearthquake…”
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Seismic Performance of a New Type of Coupled Shear Wall with Replaceable Components: Experimental Validation by Jiang, Huanjun, Li, Shurong, Bolander, John E., Kunnath, Sashi K.

“…This study proposes a new type of reinforced concrete (RC) coupled shear wall with replaceable coupling beams and replaceable corner components (RCCs)…”
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Adaptive Modal Combination Procedure for Nonlinear Static Analysis of Building Structures by Kalkan, Erol, Kunnath, Sashi K

“…A new pushover analysis procedure derived through adaptive modal combinations (AMC) is proposed for evaluating the seismic performance of building structures…”
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Centrifuge Modeling of Bridge Systems Designed for Rocking Foundations by Deng, Lijun, Kutter, Bruce L, Kunnath, Sashi K

“…In good soil conditions, spread footings for bridges are less expensive than deep foundations. Furthermore, rocking shallow foundations have some performance…”
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Nonlinear Uniaxial Material Model for Reinforcing Steel Bars by Kunnath, Sashi K, Heo, YeongAe, Mohle, Jon F

“…Recent advances in nonlinear analysis of reinforced concrete structures have been based primarily on fiber-based discretization of the member cross section at…”
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Orientation of the strongest velocity pulses and the maximum structural response to pulse-like ground motions by Li, Cuihua, Zuo, Zhanxuan, Kunnath, Sashi, Chen, Linli

“…The ground motion pulse-like effect depends on its orientation, it is thus necessary to identify the direction of the ground motion with the strongest pulse. A…”
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Modeling of Reinforced Concrete Assemblies under Column-Removal Scenario by Bao, Yihai, Lew, H. S, Kunnath, Sashi K

“…AbstractThis paper presents a computational investigation of two reinforced concrete beam-column assemblies, each comprising three columns and two beams,…”
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Progressive Collapse Performance of RC Flat Plate Frame Structures by Yi, Wei-Jian, Zhang, Fan-Zhen, Kunnath, Sashi K

“…AbstractIn collapse-resistant design of structures, understanding primary structural failure-mechanisms and alternative load paths under accidental extreme…”
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Amplitude-Scaled versus Spectrum-Matched Ground Motions for Seismic Performance Assessment by Heo, YeongAe, Kunnath, Sashi K, Abrahamson, Norman

“…The need to consider only a small number of ground motions combined with the complexities of response sensitivity to both modeling choices and ground motion…”
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Simplified progressive collapse simulation of RC frame–wall structures by Bao, Yihai, Kunnath, Sashi K.

“…A macromodel-based approach to enable post-event progressive collapse analysis of reinforced concrete (RC) frame–wall structures is investigated. A simplified…”
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Assessment of current nonlinear static procedures for seismic evaluation of buildings by Kalkan, Erol, Kunnath, Sashi K.

“…An essential and critical component of evolving performance-based design methodologies is the accurate estimation of seismic demand parameters. Nonlinear…”
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Seismic Design of Rocking Shallow Foundations: Displacement-Based Methodology by Deng, Lijun, Kutter, Bruce L, Kunnath, Sashi K

“…AbstractThis paper proposes a direct displacement-based design (DDBD) methodology for seismic design of rocking shallow foundations for ordinary bridges under…”
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Macromodel-Based Simulation of Progressive Collapse: RC Frame Structures by Bao, Yihai, Kunnath, Sashi K, El-Tawil, Sherif, Lew, H. S

“…The potential for progressive collapse of a typical reinforced concrete (RC) moment frame structure initiated through the loss of one or more first-story…”
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Influence of Dominant Response Modes on Structural Seismic Demand Modeling by Ahmadi, Amin, Kunnath, Sashi K, Abrahamson, Norman

“…AbstractA seismic demand model attempts to describe the behavior of a structure in terms of a set of predictor variables that represents the loading. For…”
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