Dynamics of Civil Structures, Volume 2

Name: Dynamics of Civil Structures, Volume 2 | Proceedings of the 38th IMAC, A Conference and Exposition on Structural Dynamics 2020
Brand: Springer
Price: 213.99 EUR
Availability: OnlineOnly

Proceedings of the 38th IMAC, A Conference and Exposition on Structural Dynamics 2020

Shamim Pakzad(Editor)

Springer (Publisher)

1st Edition

Published on 22. September 2020

VIII, 259 pages

E-Book

PDF with digital watermarking

System requirements

978-3-030-47634-2 (ISBN)

€213.99incl. 7% vat

System requirements

for PDF with digital watermarking

E-Book Single Licence

Available for download

Description

More details

Other editions

Person

Content

Intro
Preface
Contents
1 Graphene-Rubber Layered Functional Composites for Seismic Isolation
1.1 Introduction
1.2 Composition of Specimens and Experimental Setup
1.3 Analysis
1.4 Conclusion
References
2 What Rollercoasters Can Teach Us About Fatigue Life of Bridge Connections
2.1 Introduction
2.2 Testing
2.2.1 Rollercoaster Case Study
2.2.2 Steel Bridge Case Study
2.3 Fatigue Analysis: Uniaxial Versus Multiaxial Procedures
2.3.1 Rollercoaster Case Study
2.3.2 Steel Bridge Case Study
2.4 Conclusions and Future Work
References
3 Using Resonance Decay Responses to Model the Nonlinear Behaviour of Telecom Monopoles Via Backbone Curves
3.1 Introduction
3.2 Field Tests and Acquisition
3.3 Application of Nonlinear SDOF Backbone Procedure
References
4 Trench Warfare! The Battle Against Ground-borne Vibration
4.1 Introduction
4.2 Case Study #1
4.2.1 Applicable Vibration Criteria
4.2.2 General Vibration Assessment
4.2.3 Trench Design
4.3 Case Study #2
4.3.1 Ground-borne Vibration Effects
4.3.2 Rail Vibration Assessment
4.3.3 Comparison of Mitigation Strategies
4.4 Case Study #3
4.4.1 Vibration Criteria
4.4.2 First Vibration Isolation Trench
4.4.3 Second Vibration Isolation Trench
4.4.4 Verification Measurements
4.5 Conclusion
References
5 Vibration-Based Damage Detection Using Input-Output and Output-Only EnvironmentalModels: A Comparison
5.1 Introduction
5.2 Methodology
5.3 Applied Data
5.4 Best Model
5.4.1 Multiple Linear Regression
5.4.2 Principal Component Analysis
5.5 Evaluate Models
5.5.1 Individual Mode Consideration
5.5.2 Combined Mode Consideration
5.6 Discussion
5.7 Conclusion
References
6 Techniques for Simulating Frozen Bearing Damage in Bridge Structures for the Purpose of Drive-by Health Monitoring
6.1 Introduction
6.2 Frozen Bearing Damage
6.3 Lab Scale Study
6.4 Full Scale Study
6.5 Generalized Model
6.6 Conclusion
References
7 The Minimum Detectable Damage as an Optimization Criterion for Performance-BasedSensor Placement
7.1 Introduction
7.2 Background
7.2.1 Stochastic System Model
7.2.2 Subspace-Based Residual
7.2.3 Link to Finite Element Model
7.3 Method
7.3.1 Minimum Detectable Damage
7.3.2 Minimum Reliability
7.3.3 Minimum Measurement Duration
7.4 Numerical Application
7.4.1 Pin-Supported HSS Beam
7.4.2 Measurement Duration for a Fixed Sensor Configuration
7.4.3 Optimal Sensor Placement for a Fixed Number of Sensors
7.4.4 Finding an Acceptable Number of Sensors
7.4.5 Validating the Minimum Detectable Damage
7.5 Discussion
7.6 Conclusions
References
8 Vibrations Assessment of Existing Building Foundations Due to Moving Trains in UndergroundTunnels
8.1 Introduction
8.2 Plane Strain Finite Element Model
8.3 Sensitivity Analysis and Discussion of Results
8.4 Conclusions
References
9 Ambient Vibration Tests and Modal Response Analysis of Guayaquil Metropolitan Cathedral in Guayaquil, Ecuador
9.1 Introduction
9.2 Ambient Vibration Tests
9.3 Methodology and Data Processing
9.4 Test Results
9.4.1 Main Building
9.4.2 Towers Structure
9.4.3 Dome Structure
9.4.4 North Diaphragm in the East Wing Using Laser Vibrometers
9.4.5 South Diaphragm of the East Wing
9.4.6 Site Response Analysis
9.5 Conclusion
References
10 An Overview on Floor Vibration Serviceability Evaluation Methods with a Large Database of Recorded Floor Data
10.1 Introduction
10.2 Prediction Methods for Floor Vibration Serviceability
10.3 Floor Database
10.4 Observed and Predicted Evaluations
10.4.1 AISC Design Guide 11 Chapter 4 Method
10.4.2 SCI P354 Simplified Method
10.4.3 SCI P354 Vibration Dose Values Method
10.4.4 HIVOSS Method
10.5 Conclusions
References
11 Comparative Study of Floor Serviceability Methodologies
11.1 Introduction
11.2 Background: Description of the Two Methods
11.2.1 OS-RMS90
R-factor Based Assessment (SCI P354)
11.3 Comparison of the Methods
11.4 Single Degree of Freedom Contour Maps
11.5 Case Study: Serviceability of a Composite Office Floor
11.6 Conclusion
References
12 Experimental Modal Analysis of Double Tee Floors in a Fire Damaged Parking Deck for Post-Fire Vibration-Based Condition Assessment
12.1 Introduction
12.2 Case Study Structure
12.3 Experimental Modal Analysis
12.3.1 Experimental Modal Parameter Estimates
12.3.2 Discussion
12.4 Conclusion
References
13 Occupant Localization in Obstructive Indoor Environments Using Footstep-Induced Floor Vibrations
13.1 Introduction
13.2 Gait Balance Estimation Approach
13.2.1 Footstep Detection Module
13.2.2 Obstruction Characterization Module
13.2.3 Step-Level Localization Module
13.3 Evaluation
13.4 Conclusions
References
14 Time-Frequency Analysis of Crowd Lateral Dynamic Forcing from Full-Scale Measurements on the Clifton Suspension Bridge
14.1 Introduction
14.2 Experimental Procedure
14.2.1 Number of People
14.2.2 Bridge Response
14.3 Time-Frequency Analysis
14.3.1 Human Structure Interactions
14.3.2 Amplitude-Frequency Relationships
14.4 Conclusion
References
15 Validation of Deflection Monitoring for Ancillary Traffic Structures via Wireless Accelerometers
15.1 Introduction
15.2 Methods
15.3 Results and Discussion
15.4 Conclusions
References
16 Localization of Stationary Source of Floor Vibration Using Steered Response Power Method
16.1 Introduction
16.2 Background
16.3 SRP Method
16.4 Experiment Description
16.4.1 Estimation of Wave Propagation Speed
16.4.2 Localization of Vibration Source Using SRP Method
16.5 Conclusion
References
17 Predictions of Footbridge Vibrations and Influencing Load Model Decisions
Nomenclature
17.1 Introduction
17.2 Modelling of Walking Loads
17.2.1 Load Model I
17.2.2 Load Model II
17.2.3 Common for Both Load Models
17.3 Methodology
17.4 Results
17.5 Conclusion and Discussion
References
18 A Damage Detection Strategy on Bridge External Tendons Through Long-Time Monitoring
18.1 Introduction
18.2 The Monitored Structure: A Pre-stressed Bridge
18.3 The Monitoring System
18.4 The Proposed Methodology: A Two Level of Alert Damage Detection
18.5 Results and Discussion
18.6 Conclusions
References
19 Structural Health Monitoring of a Damaged Operating Bridge: A Supervised Learning Case Study
19.1 Introduction
19.2 The Monitored Structure: A Pre-Stressed Concrete Bridge
19.3 The Monitoring System
19.4 Strengthening Works of the Pre-stressed Concrete Bridge
19.5 Static and Dynamic Monitoring During the Strengthening Works
19.6 Conclusions
References
20 Comparison of Time-Domain and Time-Frequency-Domain System Identification Methods on Tall Building Data with Noise
20.1 Introduction
20.2 Background of TVF-EMD
20.3 Analysis
20.4 Discussion
20.5 Conclusion
References
21 Fatigue Life Analysis of Main Shaft Bearings in Wind Turbines Using Strain Measurements Collected on Blades
21.1 Introduction
21.2 Instrumentation and Data
21.3 Methodology
21.4 Fatigue Analysis
21.5 Conclusion
References
22 Towards the Detection and Localization of Multiple Occupant Footsteps from VibroacousticMeasurements
22.1 Introduction
22.1.1 Contribution and Organization of Paper
22.2 Methodology
22.3 Experimental Results
22.3.1 Occupant Tracking Results
22.4 Discussion
22.4.1 Note on Detection Using Matched Filters
22.5 Conclusion
References
23 An Augmented Risk-Based Paradigm for Structural Health Monitoring
23.1 Introduction
23.2 Current Structural Health Monitoring Paradigm
23.2.1 Operational Evaluation
23.2.2 Data Acquisition
23.2.3 Feature Selection
23.2.4 Statistical Modelling for Feature Discrimination
23.3 Probabilistic Risk Assessment Paradigm
23.3.1 Initial Information Collection
23.3.2 Event-Tree Development
23.3.3 Fault Tree Development
23.3.4 Reliability Modelling
23.3.5 Failure Sequence Quantification
23.3.6 Consequence Analysis
23.4 Probabilistic Graphical Models
23.4.1 Bayesian Networks
23.4.2 Influence Diagrams
23.5 Definitions
23.6 Mapping PRA Onto SHM
23.6.1 Operational Evaluation
23.6.2 Failure-Mode Modelling
23.6.3 Decision Modelling
23.6.4 Data Acquisition
23.6.5 Feature Selection
23.6.6 Statistical Modelling
23.7 Discussion
References
24 Running Safety Analysis Considering Track Irregularities on an Open-deck Steel Plate Girder Bridge Using Finite Element Multibody Dynamics
24.1 Introduction
24.2 Background
24.3 Analysis
24.4 Conclusion
References
25 Influence of State-Switching Rotational Inertia Dampers on the Natural Frequencies and Response of Structures
25.1 Introduction
25.2 One-Way Rotational Inertia Damper
25.3 Analysis and Results
25.4 Conclusion
References
26 Towards Population-Based Structural Health Monitoring, Part VI: Structures as Geometry
26.1 Introduction
26.2 Fibre Bundles
26.2.1 Fibre Bundles: Basic Definitions
26.3 Some Fibre Bundles in Structural Dynamics
26.4 Fibre Bundles as Feature Spaces Over Populations of Structures
26.5 Feature Bundles and Confounding Influences
26.6 Feature Bundles and More Complicated Spaces of Structures
26.7 Conclusions
Appendix A
Toplogy, Manifolds and Vectors: Basic Definitions
References
27 Comparison of Modal Parameters of a Concrete Slab Floor from EMA and OMA
27.1 Goodwin Hall and Experimental Methods
27.2 Comparison of EMA and OMA
27.3 Conclusion
References
28 Modeling Human Jumping Force on a Flexible Structure Using Control Models
28.1 Introduction
28.1.1 Human-Structure Interaction
28.2 Proposed Approach
28.2.1 Human-Structure Model
28.2.2 Structural Model
28.2.3 Controller of the Model
28.2.4 Optimization Process
28.3 Experimental Testing
28.3.1 Lab Specimen
28.3.2 Instrumentation and Experiments
28.4 Modeling the Jumping Force
28.4.1 Empty Structure
28.4.2 Occupied Structure
28.4.3 Individual Jumping on Flexible Structure
28.5 Results
28.6 Conclusion
References
29 Control of Traffic-Induced Ground Vibrations in a Residential Structure
29.1 Introduction
29.2 Vibration Testing
29.3 Baseline Performance Assessment
29.3.1 Vibration Criteria
29.3.2 Performance Assessment - Existing Structure
29.4 Vibration Control Investigation
29.4.1 Numerical Modeling
29.4.2 Control Option 1: Structural Stiffening
29.4.3 Control Option 2: Added Mass
29.4.4 Control Option 3: Passive Supplemental Damping Devices
29.4.5 Control Option 4: Active Supplemental Damping Devices
29.4.6 Performance Assessment
29.5 Validation Testing
29.6 Concluding Remarks
References

System requirements

Save as PDF Copy link into clipboard

Schweitzer Fachinformationen

Dynamics of Civil Structures, Volume 2

Description

More details

Other editions

Additional editions

Person

Content

System requirements