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Aerostatic Performance Improvement Based on a Novel Aerodynamic Countermeasure: Simulation and Wind Tunnel Test
Publisher: ASCE
Abstract: Flexible civil structures are prone to aerodynamic instabilities, such as long-span bridges and high-rise buildings, and wind-induced vibration is harmful to structural life-span and users’ comfort. To address this issue, ...
Structural Health Monitoring and Model Updating of Aizhai Suspension Bridge
Publisher: American Society of Civil Engineers
Abstract: A complete structural health monitoring system has been implemented on Aizhai Suspension Bridge for monitoring its health status and assessing its safety for long-term services. This system consists of nearly 112 sensors ...
Control Structure Interaction of Electromagnetic Mass Damper System for Structural Vibration Control
Publisher: American Society of Civil Engineers
Abstract: To investigate the effect of control-structure-interaction (CSI) between the innovative electromagnetic mass damper (EMD) control system and the test structure, three computational models are first developed in this paper. ...
A Novel Assembled Pendulum-Type ATMD for Structural Vibration Control
Publisher: ASCE
Abstract: This paper presents the design, modeling, and characterizing tests of an assembled freely pendulum-type active tuned mass damper (AP-ATMD) for structural vibration control, highlighting its unique features such as noncontact ...
Numerical Simulation to Optimize Impressed Current Cathodic Protection Systems for RC Structures
Publisher: American Society of Civil Engineers
Fast Warning Method for Rigid Hangers in a High-Speed Railway Arch Bridge Using Long-Term Monitoring Data
Publisher: American Society of Civil Engineers
Abstract: Excessive vibration of arch bridge hangers is a potential threat to the driving safety of high-speed trains; therefore, it is important to study the vibration characteristics and fast warning method of the hanger under ...
Effect of Circumferentially Nonuniform Lateral Tension on Bond Behavior between Plain Round Bars and Concrete: Analytical Study
Publisher: American Society of Civil Engineers
Abstract: The bond behavior between a plain bar and concrete has received more attention in recent years because of its importance in the assessment of historical structures. The negative effect of lateral tension on the bond ...
Dispersion Analysis of Multiscale Wavelet Finite Element for 2D Elastic Wave Propagation
Publisher: ASCE
Abstract: Recently, the wavelet finite element has been introduced to solve wave propagation problems because of its outstanding compact support, multiscale, and multiresolution characteristics. In this research, the accuracy of a ...
State Transformation Procedures for Fiber Beam-Column Element in Inelastic Dynamic Time History Analysis for Moment-Resisting Frames
Publisher: American Society of Civil Engineers
Abstract: Based on full understanding of the characteristics of sparse distribution of inelastic deformation in the ends of beams and columns of moment-resisting frames subjected to strong earthquakes, state transformation procedures ...
Experimental Study of the Hydrodynamic Responses of a Bridge Tower to Waves and Wave Currents
Publisher: American Society of Civil Engineers