Operational modal analysis of civil engineering structures

C Rainieri, G Fabbrocino - Springer, New York, 2014 - Springer
Operational Modal Analysis is the testing procedure yielding experimental estimates of the
modal parameters from measurements of the structural response only. This book reports …

State-of-the-art review on determining prestress losses in prestressed concrete girders

M Bonopera, KC Chang, ZK Lee - Applied Sciences, 2020 - mdpi.com
Prestressing methods were used to realize long-span bridges in the last few decades. For
their predictive maintenance, devices and dynamic nondestructive procedures for identifying …

Development and validation of an automated operational modal analysis algorithm for vibration-based monitoring and tensile load estimation

C Rainieri, G Fabbrocino - Mechanical Systems and Signal Processing, 2015 - Elsevier
In the last few decades large research efforts have been devoted to the development of
methods for automated detection of damage and degradation phenomena at an early stage …

Experimental–theoretical investigation of the short-term vibration response of uncracked prestressed concrete members under long-age conditions

M Bonopera, WC Liao, W Perceka - Structures, 2022 - Elsevier
The short-term vibration response of uncracked prestressed concrete (PC) members under
long-age conditions was investigated. No study has examined long-term phenomena of …

Bending tests for the structural safety assessment of space truss members

M Bonopera, KC Chang, CC Chen… - … Journal of Space …, 2018 - journals.sagepub.com
This article compares two nondestructive static methods used for the axial load assessment
in prismatic beam-columns of space trusses. Examples include the struts and ties or the …

A vibration-based approach for health monitoring of tie-rods under uncertain environmental conditions

F Lucà, S Manzoni, A Cigada, L Frate - Mechanical Systems and Signal …, 2022 - Elsevier
This work proposes a vibration-based damage detection approach for axially loaded beam-
type structures. The potential of the adopted approach is shown with an application to …

Vibration of prestressed beams: Experimental and finite-element analysis of post–tensioned thin-walled box-girders

M Bonopera, KC Chang, N Tullini - Journal of Constructional Steel …, 2023 - Elsevier
In published works, very different explanations are given for the effect of prestressing on the
beam dynamics, especially on the relationship between the vibrational effects caused by an …

Tension prediction for straight cables based on effective vibration length with a two-frequency approach

CP Yu - Engineering Structures, 2020 - Elsevier
Cost-efficient and theoretically simple vibration-based analyses are widely used to assess
the axial forces of tensioned members. In the determination of cable forces, the applicability …

Experimental study on the fundamental frequency of prestressed concrete bridge beams with parabolic unbonded tendons

M Bonopera, KC Chang, CC Chen, YC Sung… - Journal of Sound and …, 2019 - Elsevier
In this study, a laboratory experiment–based testing program was conducted on a large-
scale high-strength Prestressed Concrete I (PCI) beam with a parabolic unbonded tendon …

Influence of prestressing on the behavior of uncracked concrete beams with a parabolic bonded tendon

M Bonopera, KC Chang, TK Lin… - Structural Engineering …, 2021 - koreascience.kr
The influence of prestress force on the fundamental frequency and static deflection shape of
uncracked Prestressed Concrete (PC) beams with a parabolic bonded tendon was …