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Crack‐Induced Changes in Eigenparameters of Beam Structures
Publisher: American Society of Civil Engineers
Abstract: Most of diagnostic techniques used within the class of beam‐like structures are based on the requirement that the damage location closely matches with the calculated and the observed frequency changes. Since these variations ...
Dynamic Testing and Structural Identification of the Hypo Bank Office Complex. I: Experiments
Publisher: American Society of Civil Engineers
Abstract: Nondestructive dynamic methods are a useful tool in structural engineering. Their purpose is twofold. First, they provide guidance on the validation of a mathematical model of the structure under investigation. Second, ...
Bending Moment–Shear Force Interaction Domains for Prestressed Concrete Beams
Publisher: American Society of Civil Engineers
Abstract: The performance of a prestressed concrete beam, subjected to bending moment
Dynamic Testing for Structural Identification of a Bridge
Publisher: American Society of Civil Engineers
Abstract: Structural identification via modal analysis in structural mechanics is gaining popularity in recent years, despite conceptual difficulties connected with its use. This paper is devoted to illustrating the advantages and ...
Reconstruction Method for Damage Detection in Beams Based on Natural Frequency and Antiresonant Frequency Measurements
Publisher: American Society of Civil Engineers
Abstract: This paper deals with a dynamic method for damage detection in beams. Under the assumption that the damaged beam is a perturbation of the undamaged one, it is shown that natural frequency and antiresonant frequency shifts ...
Dynamic Identification of a Concrete Bridge with Orthotropic Plate-Type Deck
Publisher: American Society of Civil Engineers
Abstract: This paper continues a line of research aimed at the development of a dynamically based health condition monitoring of bridge structures in the area of Friuli Venezia Giulia, Italy. One subject of this research program has ...
Dynamic Testing and Structural Identification of the Hypo Bank Office Complex. II: Identification
Publisher: American Society of Civil Engineers
Abstract: The Hypo Bank headquarters complex, a structure formed by two adjacent seven-story buildings, was subjected to a series of harmonic forced vibration tests in August 2005. In Part I of this research, the natural frequencies, ...
Detecting Multiple Open Cracks in Elastic Beams by Static Tests
Publisher: American Society of Civil Engineers
Abstract: This paper concerns with the identification of multiple open cracks in a beam by measurements of the damage-induced variations in the static deflection of the beam under a prescribed load condition. Each crack is simulated ...
Serviceability and Ultimate Safety Checks of Segmental Concrete Bridges through N-M and M-V Interaction Domains
Publisher: American Society of Civil Engineers
Abstract: In current engineering practice, safety checks on serviceability and determinations of ultimate limit states of segmental bridges built by cantilevering are generally performed, either considering separately the contributions ...
Influence of Regular Surface Waves on the Propagation of Gravity Currents: Experimental and Numerical Modeling
Publisher: American Society of Civil Engineers
Abstract: The propagation of gravity currents is analyzed in the presence of regular surface waves, both experimentally and numerically, by using a full-depth lock-exchange configuration. Full-depth lock-exchange releases have been ...
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