A contribution to moving force identification in bridge dynamics / Andrei Firus.
2023
TG300
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Title
A contribution to moving force identification in bridge dynamics / Andrei Firus.
Author
Firus, Andrei, author.
ISBN
9783658398385
3658398388
365839837X
9783658398378
3658398388
365839837X
9783658398378
Imprint
Wiesbaden : Springer Vieweg, 2023.
Language
English
Description
1 online resource (xxxii, 335 pages) : illustrations.
Other Standard Identifiers
10.1007/978-3-658-39838-5 doi
Call Number
TG300
Dewey Decimal Classification
624.2/5
Summary
The knowledge of the real forces acting on a structure are of great importance in the condition assessment process of existing structures. In this sense, this work provides a novel approach for identification of dynamic moving forces acting on a bridge structure. It seeks to find the optimal time dependent force values that minimize the difference between the computed and measured displacement and acceleration time histories for a limited number of sensor locations. The work also presents extensive experimental investigations of the developed method on real structures in operation, which consistently show that it can be successfully used on a wide range of applications: from small structures excited by rather low pedestrian forces up to the "heavy category" of a complete train passing a railway bridge. In this context, a set of particularities and limitations arising in the practical application of the method on real structures are also discussed. Andrei Firus studied civil engineering at the University "Politehnica" Timisoara, Romania and at the HTWG Konstanz - University of Applied Sciences, Konstanz, Germany. Between 2015 and 2021, he completed his PhD in structural dynamics at the Institute of Structural Mechanics and Design (Prof. Dr.-Ing. Jens Schneider), Technical University of Darmstadt, Germany. In 2020, he co-founded iSEA Tec GmbH in Friedrichshafen, Germany. Since then, he has been managing director of the company, which is active in the fields of structural design of lightweight structures, structural dynamics as well as monitoring and condition assessment of existing structures.
Dissertation Note
Dr.-Ing. Technische Universität Darmstadt 2022
Bibliography, etc. Note
Includes bibliographical references (pages 281-300).
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Access limited to authorized users.
Source of Description
Description based on print version record.
Series
Mechanik, werkstoffe und konstruktion im bauwesen ; Bd. 65.
Available in Other Form
A Contribution to Moving Force Identification in Bridge Dynamics
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Table of Contents
Introduction
Force identification methods state of the art and research
Fundamentals of bridge dynamics under moving loads
Introduction to inverse problems
Formulation of an inverse problem for moving force identification
Numerical validation with simulated measurement data
Experimental validation: railway bridge in operation
Experimental validation: pedestrian bridge
Conclusion and outlook.
Force identification methods state of the art and research
Fundamentals of bridge dynamics under moving loads
Introduction to inverse problems
Formulation of an inverse problem for moving force identification
Numerical validation with simulated measurement data
Experimental validation: railway bridge in operation
Experimental validation: pedestrian bridge
Conclusion and outlook.