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RISOptically Powered Electrical Accelerometer and Its Field Testing
Publisher: American Society of Civil Engineers
Abstract: This paper introduces an optically powered electrical accelerometer recently developed by the author for measuring dynamic response of civil structures and describes a field test using its prototypes installed on a 310-m ...
Closure to “Vibration Control of Tall Buildings Using Mega Subconfiguration” by Maria Q. Feng and Akira Mita
Publisher: American Society of Civil Engineers
Vibration Control of Tall Buildings Using Mega SubConfiguration
Publisher: American Society of Civil Engineers
Abstract: An innovative vibration-control system is proposed to reduce the dynamic response of tall buildings to wind and seismic loads. This system takes advantage of the so-called megasubstructure configuration, which is especially ...
Structural Health Monitoring by Recursive Bayesian Filtering
Publisher: American Society of Civil Engineers
Abstract: A new vision of structural health monitoring (SHM) is presented, in which the ultimate goal of SHM is not limited to damage identification, but to describe the structure by a probabilistic model, whose parameters and ...
Large-Scale Shake Table Test Verification of Bridge Condition Assessment Methods
Publisher: American Society of Civil Engineers
Abstract: Methods that identify structural component stiffness degradation by pre- and postevent low amplitude vibration measurements, based on a linear time-invariant (LTI) system model, are conceptually justified by examining the ...
Use of Supervisory Control and Data Acquisition for Damage Location of Water Delivery Systems
Publisher: American Society of Civil Engineers
Abstract: Urban water delivery systems can be damaged by earthquakes or severely cold weather. In either case, the damage cannot easily be detected and located, especially immediately after the event. In recent years, real-time ...
Damage Assessment of Jacketed RC Columns Using Vibration Tests
Publisher: American Society of Civil Engineers
Abstract: Damage assessment of reinforced concrete (RC) columns retrofitted by advanced composite jackets was experimentally and analytically studied. The writers built two half-scale bridge columns, wrapped them with the composite ...
Structural Reliability Estimation with Vibration-Based Identified Parameters
Publisher: American Society of Civil Engineers
Abstract: This paper presents a unique structural reliability estimation method incorporating structural parameter identification results based on the seismic response measurement. In the shaking table test, a three-bent concrete ...
Viscoelastic Dampers at Expansion Joints for Seismic Protection of Bridges
Publisher: American Society of Civil Engineers
Abstract: This paper presents the result of a study on the use of viscoelastic dampers at expansion joints of highway bridges for preventing superstructure decks from falling off the seats and/or from colliding with each other in ...
Electromagnetic Image Reconstruction for Damage Detection
Publisher: American Society of Civil Engineers
Abstract: Advanced composite materials are being used for seismic retrofit of reinforced concrete (RC) columns designed and constructed by old specifications. The writers are currently developing an electromagnetic (EM) imaging ...