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Stress-Softening Behavior of High-Damping Rubber Bearings at Low Temperatures
Publisher: ASCE
Abstract: High-damping rubber (HDR) bearings exhibit obvious initial stress hardening at lower ambient temperatures and stress softening under cyclic loading. The phenomenon of stress softening is usually referred to as the Mullins ...
Multiple-Spring Model for Square-Section Steel Bridge Columns under Bidirectional Seismic Load
Publisher: American Society of Civil Engineers
Curve-Approximated Hysteresis Model for Steel Bridge Columns
Publisher: American Society of Civil Engineers
Abstract: A curve-approximated hysteresis model of the lateral load-displacement behavior of steel bridge columns is proposed for nonlinear seismic response assessment of single-column-type bridges using single-degree-of-freedom ...
Smartphone-Based Bridge Seismic Monitoring System and Long-Term Field Application Tests
Publisher: ASCE
Abstract: In this study, a bridge seismic monitoring system was developed based on smartphones connected together in the same project as a sensor network using a cloud server for easy upload and access to data. Thus, a decentralized ...
Geometric Attention Regularization Enhancing Convolutional Neural Networks for Bridge Rubber Bearing Damage Assessment
Publisher: ASCE
Abstract: Rubber bearing condition evaluation is crucial for bridge inspection, and the current practice heavily relies on human-vision inspection. Convolutional neural networks (CNNs) have shown great potential for structured damage ...