Experimental Vibration Analysis for Civil Engineering Structures: EVACES 2023 - Volume 1 (Lecture Notes in Civil Engineering, 432)

Preface
Organization
Contents
Operational Modal Analysis as a Tool for Bridge Model Updating. Application to an Unconventional Case Study
	1 Introduction
	2 The Case Study Structure
		2.1 Damage Detection and Geometric Survey Through Laser Scanner e UAV Photogrammetry
	3 Preliminary Finite Element Model
	4 The Operational Modal Analysis
		4.1 Ambient Vibration Tests
		4.2 Data Post-process and Identification of the Modes
	5 Model Updating
	6 Conclusions
	References
Assessment of a Damaged Bridge Based on Modal Identification from Ambient Vibration Tests
	1 Introduction
	2 Description of the Bridge
	3 Output-Only Modal Identification
		3.1 Ambient Vibrations Tests
		3.2 Environmental and Operational Conditions
		3.3 Modal Identification
	4 Evolution of the Dynamic Characteristics
	5 Structural Modelling and Damage Evaluation
	6 Vertical Displacements Evaluation
	7 Conclusions
	References
Validation of an Automated Approach for the Definition of Reference Modal Properties on Onshore Wind Turbines
	1 Introduction
	2 Description of the Case Study
	3 Fully Automated Tracking of Wind Turbine’s Modal Properties
		3.1 Preliminary Analysis of the Frequency Content of the Tower
		3.2 Reference Modal Properties
		3.3 Modal Tracking
	4 Conclusions
	References
The Analysis for the Acceleration Data of Vehicle Running on Over 100 Bridges Based on SSMA
	1 Background of Bridge Screening by Drive-By Inspection
		1.1 The Necessary of Digital Twin Bridge
		1.2 VRA
		1.3 Screening by Drive-by Inspection Technology
		1.4 The Purpose and Contribution of This Study
	2 Vehicle-Bridge Interaction Theorem
	3 Methodology of Experiment
		3.1 Experiment Details
		3.2 Data Verification
	4 Analysis and Discussion
	5 Conclusion and Future Works
	References
Probabilistic Regression Model for OMA-Based Damping Estimates of a Cable-Stayed Bridge Under Environmental and Operational Variability
	1 Introduction
	2 Methodology
		2.1 Data Pre-processing: Displacement Reconstruction
		2.2 Data Establishment: NExT-ERA-DBSCAN
		2.3 Data Cleansing: Knowledge- and Statistics-Based Approaches
		2.4 Probabilistic Regression: Deep GPR
	3 Data
	4 Results
		4.1 Damping Estimation
	5 Conclusions
	References
An Automated Algorithm for Experimental OMA: Application on a Warren Truss Railway Bridge with a Permanent Monitoring System
	1 Introduction
	2 Bridge and Monitoring System
	3 Research Methodology
		3.1 Data Sets and Preprocessing
		3.2 Adopted Algorithm
	4 Results and Discussion
	5 Conclusions and Future Works
	References
A Robust and Automatic Algorithm for Structural Mode Tracking of Bridges Subjected to Operational Changes
	1 Introduction
	2 Theory
		2.1 The Proposed Modal Tracking Algorithm
	3 Examples and Test Results
		3.1 Case 1: Shear Frame with Minor Variations
		3.2 Case 2: Shear Frame with Large Variations
		3.3 Case 3: Experimental Data from the Hardanger Bridge
	4 Discussion
	5 Conclusion
	References
Investigation of Transmissibility-Based Operational Modal Analysis from Ground Excitation
	1 Introduction
	2 Theoretical Background
		2.1 Transmissibility-Based OMA
	3 Application
		3.1 Laboratory Experiment
		3.2 Results and Discussion
	4 Conclusions
	References
Bayesian Structural Model Update with Two-Step MCMC Methods Enabling the Evaluation of the Tail Space
	1 Introduction
	2 Uncertainty Estimation Methods
		2.1 Data Specifications
		2.2 Structural Model
		2.3 Model Updating with the MCMC Method
		2.4 Sampling from the LCB of the Likelihood
	3 Uncertainty Estimation Results
		3.1 Estimation Results of Posterior Distribution by MCMC Method
		3.2 Estimation Results of the Tail Space Using the REMC Method
		3.3 Evaluating Uncertainty Using the Complemented Samples of the Tail Space
	4 Conclusion
	References
Tension Force Estimation of Post-tensioning External Tendons Through Vibration-Based Monitoring: Experimental Validation
	1 Introduction
	2 Tension Force Estimation Method
		2.1 Tendon with Pinned Joints
		2.2 Tendon with Semi-rigid Joints
		2.3 Tendon with Pinned and Clamped Joint
		2.4 Tension Force Estimation Approach
	3 Experimental Campaign
	4 Tension Force Estimation and Discussion of Results
		4.1 Friction Losses and Anchor Set
	5 Conclusions
	References
First Applications and Results of the SHM of Residential Buildings in Italy
	1 Introduction
	2 The SHM Framework for Residential Buildings
		2.1 The Monitoring Framework
		2.2 Description of the Typical Monitoring System
		2.3 Monitoring Procedures and Reports
	3 Application to Real Case Studies
	4 Preliminary Monitoring Results
	5 Conclusions and Future Developments
	References
First Results from Operational Modal Analysis of a Floating Offshore Wind Turbine
	1 Introduction
	2 Proposed Methodology
		2.1 Data Preprocessment
		2.2 Modal Shape Reconstruction
		2.3 Modes Characterisation
	3 Results
	4 Conclusions
	References
Vibration-Based Monitoring for Non-destructive Testing of Post-tensioning External Tendons
	1 Introduction
	2 NDT Proposal
		2.1 Experimental Measurement and Analysis
		2.2 Performance Indicators
		2.3 Tension Estimation
	3 NDTT Development
		3.1 Description of the Bridge
		3.2 Description of the NDTT Device
		3.3 Example of Tendon Assessment
	4 Conclusions
	References
Effect of Changing Environment on the Dynamic Characteristics of an Overpass
	1 Introduction
	2 Description of the Investigated Bridge
	3 Preliminary Ambient Vibration Tests and FE Modeling
	4 Continuous Dynamic Monitoring and Results
		4.1 Results
	5 Conclusions
	References
In Depth Assessment of a Prestressed Concrete Road Bridge Based on Dynamic Bridge Behaviour – Follow-up Analysis of Structural Integrity and Evaluation of Maintenance Condition
	1 Introduction
		1.1 Scope of Investigation
		1.2 Bridge Description
	2 Description of Measurement
	3 Dynamic Behaviour
		3.1 General
		3.2 Frequency Analysis and Dynamic System Identification 2020
		3.3 FEM Modelling
		3.4 Comparison of the Measurements from 2020 with 2003
		3.5 Comparison of the Measurements with the Numerical Models
	4 Conclusions
	References
Continuous SHM of Railway Bridges Based on Vibration Analysis of Qualitative, Selected, Asynchronous Data
	1 Introduction
		1.1 The AUDACE Project
		1.2 The AD-SIGNUM Solution
	2 Experiment
		2.1 Selection of the Targets
		2.2 Instrumental Setup
	3 Results
	4 Next Steps and Concluding Remarks
	References
Vibration-Based Monitoring of Continuous Welded Rails
	1 Introduction
	2 Test Setup
	3 Test Results
		3.1 Temperature Measurements and Power Spectral Densities
		3.2 Machine Learning Algorithm: Architecture and Data Prepping
		3.3 Machine Learning Algorithm: Rail Neutral Prediction
	4 Conclusions
	References
Simulation of the Rupture of the Contact Wire of a High speed Catenary
	1 Introduction
	2 Model of Contact Wire Failure
		2.1 Model of the OCL
		2.2 Modeling of the Breakage of the Contact Wire OCL
	3 Results
		3.1 Results for Scenario “A”
		3.2 Results for Scenario “B”
		3.3 Results for Scenario “C”
	4 Summary and Conclusions
	References
A Simulation Study on Characterizing Transfer Functions of Railway Tracks Using Train-Borne Laser Doppler Vibrometer
	1 Introduction
	2 Modeling and Simulation
		2.1 A Vehicle-Track Model
		2.2 Transfer Function Estimation
		2.3 Model Parameters
	3 Result and Discussion
		3.1 Influence of Moving Excitation
		3.2 Influence of Partial Measurement
		3.3 Influence of Wheel-Laser Shift
		3.4 Performance on a New Case
	4 Conclusion
	References
Monitoring Railway Infrastructure Through a Freight Wagon Equipped with Smart Sensors
	1 Introduction
	2 Experimental Campaign
		2.1 Field Test
		2.2 Description of the Wireless Monitoring System
	3 Data Processing and Results
	4 Conclusions
	References
A Methodology to Estimate Railway Track Conditions from Vehicle Accelerations Based on Multiple Regression
	1 Introduction
	2 Regression Models for Track Longitudinal Level
	3 Results and Discussion
	4 Conclusions
	References
Vibration-Based Monitoring of a 5-Story Cross-Laminated Timber (CLT) Building Prototype
	1 Introduction
	2 Materials and Methods
		2.1 Building Description
		2.2 Experimental Setup
		2.3 Operational Modal Analysis Methods
	3 Results
		3.1 Vibrational Response of the CLT Building
		3.2 Estimation of the CLT Building’s Dynamic Properties
	4 Conclusions
	References
Modal Strain-Based Structural Health Monitoring of Steel Railway Bridges: An Overview of Three Recent Case Studies
	1 Introduction
	2 Modal Strain-Based Monitoring
	3 Monitored Structures
		3.1 The KW51 Railway Bridge
		3.2 The Old Nieuwebrugstraat Railway Bridge
		3.3 The M2.17 Railway Bridge
	4 Conclusions
	References
Frequency Analysis of Monopiles with Masing-Type Hysteresis Damping Under Large-Strain Cyclic Loading
	1 Introduction
	2 Dynamic Soil-Structure Interaction Modelling
		2.1 The p-y Method
		2.2 Hysteresis Model
		2.3 Reference Monopile Properties
	3 Displacement Frequency Spectra
	4 Conclusion
	References
A Shake-Table Test to Evaluate Fiber Optic Vibration Monitoring of Offshore Wind Turbines
	1 Introduction
	2 Methodology
		2.1 OFDR
		2.2 -OTDR
		2.3 Physical Model
		2.4 Computational Modeling
		2.5 Experimental Configuration
		2.6 Bend Test
		2.7 Shake Table Test
	3 Results
		3.1 Bend Test
		3.2 Shake Table Test
	4 Discussion
	5 Conclusion
	References
Ambient Vibration Data-Based Modal Parameter Estimation and Numerical Model Calibration of an Arch Dam
	1 Introduction
	2 Presentation of the Saint-Guérin Dam
	3 Operational Modal Analysis
		3.1 Enhanced Frequency Domain Decomposition
		3.2 Illustration of Some Spectra
		3.3 Spectrogram
		3.4 Peak Selection
		3.5 Comparison of Spectrogram and Data Amplitude
		3.6 Natural Frequencies
	4 Calibration and Validation of a Numerical Model
		4.1 3D Numerical Model of the Dam
		4.2 Model Calibration
		4.3 Validation of the Numerical Model
	5 Conclusions
	References
A Seismic Wave Propagation Model for the Analysis of Dam-Foundation-Reservoir Systems: The Case Study of Monticello Dam
	1 Introduction
	2 The Case Study of Monticello Dam
		2.1 Geometrical and Physical Model
		2.2 Loadings
		2.3 Results
	3 Conclusion
	References
SSHM Systems for Dams: 12 Years’ Experience in Cahora Bassa Dam. Equipment, Software, and Main Results
	1 Introduction
	2 Cahora Bassa Dam, Mozambique
	3 Dynamic Monitoring System
		3.1 Monitoring Setup. Equipment
		3.2 Design and Installation. Difficulties and Solutions
		3.3 Software
	4 Results
		4.1 Modal Parameters
		4.2 Seismic Response
	5 Conclusions
	References
Vibration Analysis for Model Calibration and Structural Condition Assessment of Cahora Bassa Dam Considering the Concrete Swelling Effects
	1 Introduction
	2 Case Study: Cahora Bassa Dam, Mozambique
	3 Developed Software
	4 Experimental Results and Finite Element Model Calibration
		4.1 Vibration Analysis: Modal Identification Results
		4.2 Finite Element Model of the Dam-Reservoir-Foundation System
	5 Structural Condition Assessment Considering Concrete Swelling
	6 Conclusions
	References
Software Development for Automatic Structural Health Monitoring of Cabril Dam
	1 Introduction
	2 Cabril Dam, Portugal
	3 SSHM System Installed in Cabril Dam
		3.1 Hardware
		3.2 Software Solution
	4 DamSHM: A Program for Automatic Structural Health Monitoring of Cabril Dam
		4.1 Analysis of Natural Frequencies for Damage Detection
		4.2 Executed Tasks and Results for Dam Behavior Assessment
	5 Conclusions
	References
Ambient Vibration: Feedbacks from Measurements on 20 Concrete Dams and Comparisons with Finite-Element Analyses. Focus on One Year of Recording on an Arch
	1 Introduction
	2 Ambient Vibration Measurement
		2.1 The Two Strategies Developed by EDF
		2.2 Method for Signal Processing of the Records
	3 Results from Measurements on 20 Dams
		3.1 Feedback
		3.2 Comparison with Finite-Element Analyses
	4 Feedback on One Year of Recordings on an Arch Dam
		4.1 Instrumentation and First Results
		4.2 Recent Analysis
		4.3 Influence of Local Vibrations
		4.4 Influence of Temperature in Winter and Summer
	5 Conclusion
	References
Operations and Dam Safety with the KMIDam Platform
	1 Introduction
	2 Brief Overview of KMIDam and Its Applications
		2.1 Real-Time Seismic Monitoring
		2.2 Earthquake Impact Alerts (EIA)
		2.3 Structural Health and Performance Monitoring Solution
		2.4 Multi-asset Command and Control System (CCS)
	3 Conclusions
	References
Determination of Sample Size on Surrogate Model-Based Parameter Inverse Analysis of a Super-High Arch Dam
	1 Introduction
	2 Methodology
		2.1 Inverse Analysis Theory Based on Measured Displacement
		2.2 CNN-Based Surrogate Model
		2.3 Sample Datasets Based on LHS and FEM
	3 Results
		3.1 Description of the Concrete Arch Dam
		3.2 Determination of Sample Size
		3.3 Results of Parametric Inverse Analysis
	4 Conclusion
	References
A Convenient Tension Estimation for Linked Suspenders Based on Multiple Vibration Measurements
	1 Introduction
	2 Numerical Exploration
	3 Experimental Verification
	4 Conclusion
	References
Fully Automatic Cable Tension Monitoring Based on Vibration Measurements with Deep Learning Techniques
	1 Introduction
	2 Mao-Luo-Hsi Bridge and Its Cable Vibration Measurements
	3 Identification of Cable Frequencies with SSI Methodology
		3.1 Alternative Stabilization Diagram and Hierarchical Shifting Process
		3.2 Determination of Target Modes and Frequency Range
		3.3 Parameter Selection for Real-Time SSI Analysis
	4 Automated Sieving Algorithm for Cable Frequencies
		4.1 Difficulties
		4.2 Deep Learning Algorithm Based on CNN
	5 Conclusions
	References
Optimization of Sensor Configurations for Cost-Efficient Monitoring of Infrastructure Systems
	1 Introduction
	2 Optimal Sensor Placement Through Heuristic Algorithms
		2.1 Proposed OSP Algorithms
		2.2 Performance Evaluation
	3 Data-Driven OSP: Application to the Z24 Bridge
		3.1 Dynamic Characterization of the Bridge Under Different Scenarios
		3.2 Evaluation of Best Candidate Sensor Configurations
	4 Conclusions
	References
Game Theory-Based Finite Element Model Updating of a Cable-Stayed Footbridge
	1 Introduction
	2 Game Theory-Based Finite Element Model Updating
		2.1 General Problem
		2.2 Evolutionary Game Theory Model
	3 Finite Element Model Updating of the Viana Do Castelo Bridge
		3.1 Initial Numerical Model
		3.2 Experimental Investigation of the Structure
		3.3 Comparison Between the Experimental Test Results and Initial Numerical Model Prediction
		3.4 Solution of the Multi Objective Finite Element Model Updating Problem Based on the Conventional Approach
		3.5 Solution of the Multi-objective Finite Element Model Updating Problem Based on the Evolutionary Game Theory Model
	4 Discussion
	5 Conclusion
	References
Optimisation of Bridge Decks Modal Analysis
	1 Introduction
	2 Traditional Methods for Modal Analysis of Structures
	3 Proposed Method for Modal Analysis of Bridge Decks
	4 Parametric Study of the Dynamic Structural Response in Bridge Decks
		4.1 Discussion of Results
	5 Validation of the Proposed Method in Real Operational Case
		5.1 Instrumentation and Monitoring Arranged
		5.2 Results Obtained
	6 Summary and Conclusions
	References
A Smart System Based on Wireless Sensors for Vibration Monitoring of Railway Bridges
	1 Introduction
	2 Description of the Wireless Monitoring System
		2.1 Gateway
		2.2 Wireless Sensor Nodes
		2.3 Acquisition Procedure
	3 Field Test on a Railway Bridge
	4 Conclusions
	References
Experimentally Validated Time-Domain Dynamic Response Analysis of the Highway Bridge with Permanent Deflections of Spans
	1 Introduction
	2 Bridge Structure
	3 Assessment Goals and Procedure
	4 Theoretical Modelling of Bridge-Vehicle Interaction
		4.1 Methodology of Theoretical Analysis
		4.2 Results of Theoretical Analysis
	5 Experimental Dynamic Tests
	6 Discussion of the Results
	7 Conclusions on Bridge Condition
	References
The Monitoring System of the New Filomena Delli Castelli Cable-Stayed Bridge
	1 Introduction
	2 The “Filomena Delli Castelli” Bridge
	3 The Structural Health Monitoring System of the Bridge
		3.1 Configuration of Sensors
		3.2 Data Acquisition, Data Transfer and Storage
		3.3 Data Post-processing and Data Fusion
	4 First Results of the Monitoring
	5 Conclusions and Future Developments
	References
Estimation of Cable Forces at the Ashton Bridge Using Ambient Vibration Testing
	1 Introduction
	2 Vibration Testing and Taut String Theory
	3 Cable Dynamic Behaviour Formulation
	4 Case Study: Ashton Bridge
		4.1 Test Setup
		4.2 Identifying Natural Frequencies
		4.3 Cable Analytical Model
		4.4 Evaluation of Force
	5 Results and Discussion
	6 Conclusion
	References
Vibration-Based Structural Health Monitoring of a Historic Arch Bridge
	1 Introduction
	2 The Brivio Bridge: Preliminary Activities
	3 The Monitoring System and Data Processing
	4 Structural Health Monitoring: Results and Discussion
	5 Conclusions
	References
Self-powered Sensors Through Harvester Beams: Application to Weigh-in-Motion and Dynamic Sensing
	1 Introduction
	2 Analytical Background
	3 Experimental Setups
		3.1 Self-powered Sensing Test Setup of the Smart Pavement Slab
		3.2 Vibration Test Setups for Different Structures
	4 Numerical Results and Discussion
		4.1 The Sensing Through Smart Pavement Powered by Energy Harvesters
		4.2 Vibration Analysis of Test Structures with Harvester Beams
	5 Concluding Remarks
	References
Numerical Model Calibration of a Bridge by Using Inverse Engineering: A Case Study
	1 Introduction
	2 The Ponte Della Musica Case Study
	3 On Site Tests
	4 Dynamic Identification Based on Accelerometric Data
	5 Numerical Modelling Calibration
	6 Discussion
	References
Data-Based Condition and Prognosis Statements for Bridge Structures Using Standardized Monitoring Systems
	1 Introduction
	2 Selection of Bridge Clusters
	3 Monitoring Systems
		3.1 Cluster Orthotropic Decks
		3.2 Cluster Cables and Hangers
	4 First Results
	5 Conclusion and Future Prospects
	References
Structural Monitoring: Modal Tracking with LoRaWAN Wireless Systems and Automatic Cloud Algorithms
	1 Introduction to the LoRaWAN Monitoring System
		1.1 System Architecture
		1.2 Types of Sensors
	2 Modal Analysis with SHM Accelerometers
		2.1 Data Acquisition
		2.2 OMA and FDD
	3 New Automated - OMA Algorithm Based on FDD
		3.1 Daily Data Processing
		3.2 Classification of Structural Modes and Initialization of Traces
		3.3 Tracking of Structural Modes
		3.4 Case Study
	4 Conclusions and Future Developments
	References
Optimal Conditions for Carrying Out an OMA on Bridges and Viaducts, Both in Terms of Environmental Excitation and the Type of Transducers Used
	1 Introduction
	2 Wired Solution
	3 Excitation of Artifacts
	4 Number of Transducers
	5 Transducers Characteristics
	References
Dynamic Monitoring Plant Integrated with a Weight in Motion Apparatus Aimed at Having a More Complete SHM System
	1 Introduction
	2 Topic Framing
	3 Basic Approach
	4 Application Case
	5 Future Improvements and Extensions
	6 Afterword
	References
Experimental Nonlinear Dynamic Analysis of a Machine Supporting Structure
	1 Introduction
	2 Experimental Setup
		2.1 The Model Beam
		2.2 Instrumentation
	3 Results and Discussion
	4 Comments on End Conditions
	5 Conclusions
	References
Detecting Real Damage in Operating Tie-Rods Under Uncontrolled Environmental and Operational Conditions
	1 Introduction
	2 Case Study
	3 Unsupervised Learning Data Clustering
	4 Results
	5 Conclusions
	References
A Novel Hybrid Damper for Mitigating Seismic Responses of Mass Irregular Buildings
	1 Introduction
	2 Mathematical Modelling
	3 Results and Discussion
		3.1 Both TMD and TLD Tuned
		3.2 Effect of Mistuning
	4 Conclusions
	References
Damping Ratio Estimation for a Slender Modular Building from Full Scale Ambient Response Monitoring
	1 Introduction
	2 In Situ Testing
		2.1 Description of the Instrumented Building
		2.2 Instrumentation Overview
	3 Analysis of Data for Modal Identification
	4 Conclusion
	References
Investigations of Mode Shapes of Closely Spaced Modes from a Lattice Tower Identified Using Stochastic Subspace Identification*-4pt
	1 Introduction
	2 Theoretical Background
	3 Application
	4 Discussion
	References
Long-Term Multiple Sensor Monitoring of a Hybrid Tower Wind Turbine – Lessons Learned
	1 Introduction
	2 General Considerations, Wind Turbine, Sensor Placement
	3 Optical and Wired Sensing
	4 Wireless Sensing
	5 Numerical Simulation and Some Data Evaluation Results
	6 Conclusions and Outlook
	References
A Hybrid Damper with Particle Impact Damper and Coulomb Friction Designed for Free Vibration Damping
	1 Introduction
	2 Free Vibration Response of SDOF Structure
		2.1 Particle Impact Damper
		2.2 Hybrid Damper
	3 Experimental Validation
	4 Conclusion
	References
Serviceability Criteria for the Dynamic Response of Timber Floors
	1 Serviceability Criteria
	2 Aspects Related to Specific Construction Typologies
		2.1 CLT Floors
		2.2 Composite Floors
	3 Conclusions
	References
System Identification of a Six-Story Lightweight Timber Frame Building Using Ambient Vibration Measurements at Different Environmental Conditions
	1 Introduction
	2 Methodology
		2.1 Case Study Description
		2.2 Ambient Vibration Tests
		2.3 Humidity and Temperature Continuous Monitoring System
	3 Analysis
		3.1 Enhanced Frequency Domain Decomposition (EFDD) Method
		3.2 Stochastic Subspace Identification (SSI) Method
	4 Dynamic Properties of the Building
		4.1 Influence of Environmental Conditions
	5 Conclusions
	References
Automatic Identification of Structural Modal Parameters Under Ambient Excitation and Its Application to Heritage Timber Structures
	1 Introduction
	2 Brief Review of the SSI-Cov Method
	3 Parameter Optimisation for SSI-Cov
	4 An Adaptive Hybrid Clustering Algorithm Based on Max-Min Modal Distance
		4.1 Determination of an Initial Clustering Centre
		4.2 Adaptive Clustering Using Max-Min Distance Measure
	5 Application on a Heritage Timber Structure Benchmark
		5.1 Description of the Structure and Field Tests
		5.2 Analysis of Modal Identification Results
	6 Conclusions
	References
Effect of Inter-panel Connections on Modal Properties of Cross-Laminated Timber Floors
	1 Introduction
	2 Properties of CLT Floors
	3 Modal Properties of CLT Floors
		3.1 Example 1: Low-frequency Floor (LFF)
		3.2 Example 2: High-frequency Floor (HFF)
	4 Discussion and Conclusions
	References
The Role of In-Field Experiments for the Definition of Procedural Guidelines on the “CASE Project” Timber Buildings in L’Aquila
	1 Introduction
	2 Experimental Investigation
		2.1 CLT Slab
		2.2 In-Field CLT Floor Load-Tests
	3 Methods
		3.1 Analytical Frequency Estimation
		3.2 Analytical Deflection Estimation
		3.3 Numerical Simulations
		3.4 Stiffness Evaluation from Experimental Load-Test
	4 Results
	5 Conclusions and Future Perspectives
	References
Towards a Cloud-Based Platform for Structural Health Monitoring: Implementation and Numerical Issues
	1 Introduction and Main Motivations
	2 The MOSCARDO System
	3 An Automatic OMA Pipeline for Dynamic Identification of Modal Parameters
	4 Numerical Tests
	5 Conclusions
	References
Numerical Insight on the Dynamic Identification of a Reinforced Concrete Bell Tower
	1 Introduction
	2 The Bell Tower
	3 Dynamic Tests
	4 Numerical Model
	5 Conclusions and Future Developments
	References
Monitoring of the Dynamic Behaviour of a Telecommunication Tower
	1 Introduction
	2 Description of the Structure
	3 Description of the Monitoring System
	4 Data Processing
	5 Results and Observations
	6 Discussion
	7 Conclusions
	References
Data Processing to Assess Structural Damping of Tall Timber Buildings
	1 Buildings Features
	2 Monitoring
	3 Conclusions
	References
Dynamic Identification and Automatic Updating of the Numerical Model of a Masonry Tower
	1 Introduction
	2 Description of the Case Study
	3 Dynamic Characterization
	4 Numerical Modeling Updating
	5 Conclusion
	References
Monitoring the Modal Parameters of a Historical Belfry in Earthquake Prone Region
	1 Introduction
	2 The Structural Monitoring System of CIvitacampomarano’s Belfry
	3 Monitoring Results
	4 Conclusions
	References
Dynamic Characterization for the Structural Integrity Assessment of a XIII Century Church with Temporary Provisional Structures
	1 Introduction
	2 S. Giorgio in Ruballa Church
		2.1 S. Giorgio in Ruballa Church
		2.2 Brief Review of the Provisional Structures Installation
	3 Ambient Vibration Measurements and Modal Parameters Extraction
		3.1 Instrumentation and Sensors Configuration
		3.2 Sensors Configurations
		3.3 Signal Analysis and Modal Parameters Identification
	4 Dismantling Phase
		4.1 Method
		4.2 Check
	5 Results
	6 Conclusions
	References
Model Calibration of Slender Minarets Based on Artificial Neural Networks
	1 Introduction
	2 Proposed ANN-Based Model Calibration of Minarets
	3 Illustrative Numerical Implementation
	4 Conclusions
	References
Variation of the Dynamic Response of Retrofitted Masonry Walls at Different Stages of Damage
	1 Introduction
	2 Materials and Methods
		2.1 Specimens Description
		2.2 Reinforcement Schemes
		2.3 Loading Setup, Instrumentation and Modal Testing
	3 Experimental Results
		3.1 Wall M2A
		3.2 Wall M2B
		3.3 Wall M2C
		3.4 Wall M2D
	4 Conclusions
	References
Analytical Relation Between Natural Frequency and Spectral Entropy in Information Theory of Single Degree of Freedom Systems
	1 Introduction
	2 Analytic Relation Between CWE and Modal Parameters
		2.1 Acceleration/Acceleration
		2.2 Velocity/Acceleration
		2.3 Acceleration/acceleration
	3 Causes of Variation in CWE
		3.1 Impulse
		3.2 Sinusoid Curve
		3.3 Gaussian Random Noise
	4 Critical Discussion on the Use of CWE for SHM
	5 Conclusions
	References
Redesign of Strengthening Interventions on Historical Buildings. The Case Study of an Earthquake-Damaged Bell Tower
	1 Introduction
	2 The Case Study of Fossano Bell Tower
	3 Study on the Effectiveness of the Strengthening Interventions
		3.1 Description of the Interventions
		3.2 Seismic Assessment of the Strengthened Structure
	4 Discussion of the Results
	5 Conclusions
	References
Ambient Vibration Study and Laser Scanning of Islam Khodja Minaret in Khiva (Uzbekistan)
	1 Introduction
	2 Laser Scanning
		2.1 Laser Scanning Procedure
		2.2 Fully Registered Point Cloud
		2.3 Minaret’s Overall Dimensions of Minaret: Point Cloud Measurements
		2.4 Analysis of Minaret’s Horizontal Cross Sections
	3 Ambient Vibration Tests
		3.1 Equipment, Setup, and Types of Tests
		3.2 Data Reduction and Results
	4 Conclusions
	References
Algorithms for Large-Scale Quasi-Real Time Monitoring of Architectural and Cultural Heritage Based on MT-DInSAR Data
	1 Introduction
	2 Materials and Methods
		2.1 Materials
		2.2 Methods
	3 Application to a Case Study Area
	4 Conclusions
	References
Vibration Monitoring and Seismic Response of the Milan Cathedral
	1 Introduction
	2 Description of the Cathedral and Dynamic Monitoring System
	3 Dynamic Characteristics of the Cathedral and SHM Strategy
	4 SHM Results and Discussion
	5 Response to Seismic Events
	6 Conclusions
	References
Thermal Effects on Bridges Dynamic Behaviour
	1 Introduction
	2 Structures Sample Description
	3 Thermal Influence on Lateral Modes
	4 Thermal Influence on Flexural and Torsional Modes
	5 Critical Analysis for SHM Diagnostics
	6 Conclusions
	References
“Use of Ground-Based Interferometric Radars (GB-inRa) for Remote Real-Time Monitoring of Critical Infrastructures”
	1 Introduction
	2 Principles of Radar Interferometry
	3 IDS GeoRadar Interferometric Portfolio
	4 GB-inRa Applications for Critical Infrastructure Monitoring
		4.1 Bridge Monitoring
		4.2 Powerplant Chimney Monitoring
		4.3 Building Monitoring
		4.4 Dam Monitoring
		4.5 Tunnel Face Monitoring
	5 Conclusions
	References
Monitoring the Vibration Response of the School of Engineering Main Building at University of Naples “Federico II” to an “Earthquake of Joy”
	1 Introduction
	2 The Temporary Data Acquisition System
	3 Experimental Results
		3.1 Vibration Amplitude
		3.2 Modal Parameters
		3.3 Vibration Levels at the Ground
	4 Concluding Remarks
	References
Author Index