Topics on the Dynamics of Civil Structures, Volume 1, Proceedings of the 30th IMAC, A Conference and Exposition on Structural Dynamics, 2012, the first volume of six from the Conference, brings together 45 contributions to this important area of research and engineering. The collection presents early findings and case studies on fundamental and applied aspects of Structural Dynamics, including papers on:
Human Induced Vibrations
Bridge Dynamics
Operational Modal Analysis
Experimental Techniques and Modeling for Civil Structures
System Identification for Civil Structures
Method and Technologies for Bridge Monitoring
Damage Detection for Civil Structures
Structural Modeling
Vibration Control Method and Approaches for Civil Structures
Modal Testing of Civil Structures
Tabella dei contenuti
Damping Effect of Humans.- Development of a Laboratory Test Program to Examine Human-structure Interaction.- Experimental and Numerical Studies of the People Effects on a Structure Modal Parameters.- A Refined Model for Human Induced Loads on Stairs.- Comparative Evaluation of Current Pedestrian Traffic Models on Structures.- Sensitivity of Footbridge Response to Load Modeling.- Crowd-induced Vibrations of a Steel Footbridge in Reykjavik.- Random Model of Vertical Walking Force Signals.- Towards Modelling In-service Pedestrian Loading of Floor Structures.- Discomfort Evaluation on Lively Footbridges With Soft-rubber Pavement.- Direct Output Feedback and Model-based Control Approaches for Mitigation of Human-induced Vibrations in Floors.- Frequency Domain Optimization of Dry Friction Dampers on Buildings Under Harmonic Excitation.- The Valle Castellana Twin-arch Bridge: Dynamical Tests, Identification, Seismic Performances.- Directionality in the Transverse Response of Skewed Multi-span Bridges With Integral Abutments.- Estimation of Modal Dampings for Unmeasured Modes.- Dynamic Testing of a Truss Bridge Using a Vibroseis Truck.- Modal Identification of a Cable-stayed Bridge by Means of Truck Induced Vibrations.- Experimental Modal Test of Civil Concrete Bridges.- Dynamic Characterization of Flexible Structures Through Vision-based Vibration Measurements.- Rapid Soil Displacements From MEMs Accelerometers.- Blind Source Separation of Convolutive Mixtures towards Modal Identification.- Modal Identification Using SMITM.- Iterative Modal Identification Algorithm; Implementation and Evaluation.- Modal Testing of Non-structural Components For Seismic Risk Assessment.- Dynamic Characterization of Multiple Arch Dams: A Finite Element Approach.- Estimation of Unmeasured DOF´s Using the Local Correspondence Principle.- Use of FBG Sensors to Detect Damage From Large Amount of Dynamic Measurements.- Bayesian FE Model Updating of the Dowling Hall Footbridge.- Design of Experiments Study to Obtain a Robust 3D Computational Bridge Model.- Structural Damage Detection Using Multivariate Time Series Analysis.- Changes in the Statistics of Ambient Excitations in the Performance of Two Damage Detection Schemes.- Damage Identification From Flexibility Matrix Using Wavelet transform.- Optimum Column Layout Design of Reinforced Concrete Frames Under Wind Loading.- Optimum Spans’ Lengths of Multi-Span Reinforced Concrete Beams Under Dynamic Loading.- Experimental Modal Analysis of a Full-scale Seven-story Shear Wall Based on Nonlinear Seismic Response.- Application of DDE-Model to Enhancing Seismic Response of Reinforced Concrete Frame.- Modal Parameter Variation of an Earthquake Damaged Building.- Modal Analisys of the Palazzo Lombardia Tower in Milano.- Impact of Nonstructural Components on Modal Response & Structural Damping.- Use of Family of Models for Performance Predictions and Decision Making.- Vibration Characteristics of Foundation and Free-field Motions of Instrumented Buildings During Earthquakes.- Modified Ibrahim Time Domain Method for Identification of Closely Spaced Modes: Experimental Results.
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