Search
Search Results
-
Validation and Comparison of Two AOMA Approaches for the Ambient Vibration Testing of Long Suspension Bridges Under Strong Wind Loads
Several Automated Operational Modal Analysis (AOMA) approaches have been developed in the last few years. Among them, two recent data-driven, Machine...
-
Comparing Static and Dynamic Regression Models for Temperature Compensation in Vibration-Based SHM Systems
Vibration-based structural health monitoring systems consistently assess the condition of structures by monitoring their modal parameters. However,...
-
Extreme and Fatigue Load Reduction of Wind Turbines Towers: Optimal Design of a Hinge-Spring-Friction Device
Wind turbines experience dynamic wind loads that can exert substantial forces and fatigue stress on their structural components. These challenges...
-
MonVia Project, Development and Application of a New Sensor Box
A notable percentage of Italian bridges were built more than fifty years ago before the introduction of a seismic code. Although they do not meet the...
-
Damage Detection with Closely Spaced Modes Using Autocovariance Functions
Monitoring of structures having closely spaced modes is challenging due to issues in system identification and mode tracking. However, these issues...
-
Empirical Correlation Between Fundamental Resonance Periods and Architectural Characteristics: A Case Study in Nice, France
The fundamental resonance frequency is a key parameter for seismic risk assessment. Avoiding proximity between soil and building resonance...
-
Automated OMA Through SSI-COV Algorithm of a Warren Truss Railway Bridge Exploiting Free Decay Response
The aging of bridges, coupled with increased traffic and the imperative for sustainable practices, has sparked a growing interest in Structural...
-
ML-Driven Operational Modal Analysis of Road Bridges: Preliminary Results
In the realm of road infrastructure engineering, a paramount focus has shifted toward bolstering the safety of bridge networks. Escalating instances...
-
Dynamic Monitoring of a Steel Footbridge Based on Computer Vision Techniques
The field of Structural Health Monitoring (SHM) aims to manage the built heritage, buildings and infrastructures, to first and foremost avoid...
-
Identification of the Flutter Boundary During Flight Testing Using Operational Modal Analysis
Flutter is a complex phenomenon resulting from the coupling between aerodynamics and structural dynamics. The consequences of this dynamic...
-
Mathematical Models Calibration of Bridge-Type Structures by Means of Natural Period and Ambient Vibration
The analytical results of distinct sections of an 8 km length vehicular bridge located in Mexico City, which is based in a finite-element...
-
A Framework to Define an Effective Structural Health Monitoring (SHM) System Using the Data from OMA Test
To design an effective structural health monitoring (SHM) system it is essential to decide the optimum number and the location of sensors. In this...
-
Stochastic Modal Appropriation Method: Time Domain Extension for MDOF Systems
In this paper, the operational modal analysis (OMA) method called Stochastic Modal Appropriation (SMA) has been extended to deal with Multi Degree of...
-
An Integrated PCA-ICA Approach for Early-Stage Damage Detection
The combination of a model-free approach with Blind Source Separation (BSS) has emerged as a robust strategy to detect structural damage in the field...
-
Bridge Condition Monitoring Using Frequency Domain Decomposition Method
Modal identification techniques play a pivotal role in assessing the dynamic characteristics of critical structures like bridges, offering essential...
-
Isospectral Stiffness Matrix Identification for the Equivalent Frame Modeling of Buildings
Seismic assessment and structural monitoring of monumental buildings are challenging tasks that often require simplified schemes to reduce the...
-
Bayesian FE-Model Updating of a Curved Approaching Span of the Indiano Bridge in Florence
Reliable predictions of the dynamic response of existing bridges and the assessment of their structural health require accurate finite element...
-
Last Advancements in the Diffuse Structural Health Monitoring of Masonry Buildings from the Experimental Testing of a Full-Scale Case Study Structure Subjected to Controlled Damage
The implementation of tailored Structural Health Monitoring (SHM) systems to historical masonry buildings can provide useful information for the...
-
Output-Only Identification of a Footbridge Equipped with Isolators
System identification aims to characterise the behaviour of an unknown system using experimental data. This process is widely used in the field of...
-
Operational Modal Analysis of Wind Turbines: Onshore and Offshore Floating
The exploration of the wind energy is of vital importance to overcome the dependence on fossil fuels. Therefore, this should be done not only at...