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RISExperimental Performance Assessment of Large-Scale Polyurethane-Enhanced Damage-Resistant Bridge Columns with Energy Dissipation Links. I: Overview and Damage Assessment
Publisher: ASCE
Abstract: This paper, which is the first of two companion papers, investigates the performance of a novel bridge column design, termed polyurethane (PU)-enhanced rocking column with energy dissipation (ED) links, through a large-scale ...
A Gradient Inelastic Flexibility-Based Frame Element Formulation
Publisher: American Society of Civil Engineers
Abstract: This paper introduces a novel gradient inelastic beam theory and a corresponding flexibility-based (FB) frame element formulation to treat major weaknesses of existing FB formulations in the presence of softening section ...
Refined Gradient Inelastic Flexibility-Based Formulation for Members Subjected to Arbitrary Loading
Publisher: American Society of Civil Engineers
Abstract: This paper advances the gradient inelastic (GI) flexibility-based (FB) frame element formulation, which focused on monotonic loading conditions, to capture member responses to arbitrary (nonmonotonic) loading conditions. ...
A Gradient Inelastic Flexibility-Based Frame Element Formulation
Publisher: American Society of Civil Engineers
Abstract: This paper introduces a novel gradient inelastic beam theory and a corresponding flexibility-based (FB) frame element formulation to treat major weaknesses of existing FB formulations in the presence of softening section ...
Enhanced Rayleigh Damping Model for Dynamic Analysis of Inelastic Structures
Publisher: ASCE
Abstract: This paper presents an Enhanced Rayleigh damping model for dynamic analysis of inelastic structures. The conventional Rayleigh damping model has been extensively used to represent inherent energy dissipation sources in ...
Experimental Performance Assessment of Large-Scale Polyurethane-Enhanced Damage-Resistant Bridge Columns with Energy Dissipation Links. II: Quantitative Results
Publisher: ASCE
Abstract: This paper, which is the second of two companion papers, presents the results of a large-scale testing program on a novel bridge column design, termed polyurethane (PU)-enhanced rocking column with energy dissipation (ED) ...
Experimental Seismic Performance of a Hybrid Sliding–Rocking Bridge for Various Specimen Configurations and Seismic Loading Conditions
Publisher: American Society of Civil Engineers
Abstract: This paper presents the major findings of a shake table testing program on a large-scale (1:2.39) novel segmental concrete single-span bridge specimen. Emphasis is given on various specimen configurations and seismic loading ...
Large-Scale Seismic Testing of a Hybrid Sliding-Rocking Posttensioned Segmental Bridge System
Publisher: American Society of Civil Engineers
Abstract: In this paper, a novel precast concrete segmental bridge system is introduced and experimentally investigated. The system consists of segmental members incorporating hybrid sliding-rocking (HSR) joints and internal unbonded ...
Numerical Simulation of Hybrid Sliding-Rocking Columns Subjected to Earthquake Excitation
Publisher: American Society of Civil Engineers
Abstract: This paper introduces a novel element formulation for the dynamic analysis of bridges incorporating posttensioned segmental columns with hybrid sliding-rocking (HSR) joints distributed over their height. These columns are ...
Seismic Repair Assessment of Hybrid Sliding–Rocking Bridge Columns through Integrated Experimentation and Expert Panel Solicitation
Publisher: ASCE
Abstract: Due to the large number of bridges that will need upgrade, retrofit, or replacement in coming years, there is an increasing need for seismic bridge design techniques that are compatible with accelerated bridge construction ...