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RISModal Identification Using Mobile Sensors under Ambient Excitation
Publisher: American Society of Civil Engineers
Abstract: The state-of-the-art modal identification for civil structures is limited to the estimation mode shapes with a low spatial resolution. Modal coordinates are identified only at the location of sensors, which are fixed at ...
Determination of Vertical Bearing Capacity of Pile Foundation Systems in Tropical Soils with Uncertain and Highly Variable Properties
Publisher: American Society of Civil Engineers
Abstract: This study presents an innovative procedure to derive the ultimate load capacity of a pile system by considering the natural (intrinsic) variability of a tropical soil. The tropical soil has high aluminum and iron content ...
Modeling the Effects of a Human Standing on a Structure Using a Closed Loop–Control System
Publisher: American Society of Civil Engineers
Abstract: The influence of occupants on the dynamic properties of structures is not totally understood and can lead to overdesign, extreme vibrations, or even the collapse of buildings, stadiums, and other structures subjected to ...
Development and Implementation of a Cyberinfrastructure Framework for Research in Nondestructive Evaluation Using Acoustic Emission Data
Publisher: American Society of Civil Engineers
Abstract: This paper presents the development and validation of a cyberinfrastructure architecture for research in nondestructive evaluation (NDE) using acoustic emission (AE) data. Existing cyberinfrastructures for civil engineering ...
Plain Pile Embedment for Exterior Bent Cap Connections in Seismic Regions
Publisher: American Society of Civil Engineers
Abstract: Four full-scale exterior bent cap connections utilizing plain pile embedment were evaluated for suitability in seismic regions. A self-reacting test setup was used to investigate the special case of reverse axial tension ...
Natural Excitation Technique and Eigensystem Realization Algorithm for Phase I of the IASC-ASCE Benchmark Problem: Simulated Data
Publisher: American Society of Civil Engineers
Abstract: A benchmark study in structural health monitoring based on simulated structural response data was developed by the joint IASC–ASCE Task Group on Structural Health Monitoring. This benchmark study was created to facilitate ...
Probabilistic Prognosis of Fatigue Crack Growth Using Acoustic Emission Data
Publisher: American Society of Civil Engineers
Abstract: This paper presents a structural health monitoring methodology that uses acoustic emission (AE) features to predict crack growth in structural elements subjected to fatigue. This allows for the prediction of the failure ...
Including Uncertainty in Modeling the Dynamic Response of a Large-Scale 200 kN Magneto-Rheological Damper
Publisher: American Society of Civil Engineers
Force Estimation and Event Localization (FEEL) of Impacts Using Structural Vibrations
Publisher: ASCE
Abstract: Force applied and location it occurred are of growing interest for smart buildings, particularly in the area of human activity. The ability to localize human activity through the vibrations caused by the activity on the ...
Phase I Benchmark Control Problem for Seismic Response of Cable-Stayed Bridges
Publisher: American Society of Civil Engineers
Abstract: This paper presents the problem definition for the first generation of benchmark structural control problems for cable-stayed bridges. The benchmark problem is based on the Bill Emerson Memorial Bridge that is currently ...