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Application of seismic surface-waves in concrete bridge-deck evaluation
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Fetrat, Farhad. Application of seismic surface-waves in concrete bridge-deck evaluation. Retrieved from https://doi.org/doi:10.7282/T3TQ63MC

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TitleApplication of seismic surface-waves in concrete bridge-deck evaluation
NameFetrat, Farhad (author); Gucunski, Nenad (chair); Rutgers University; Graduate School - New Brunswick
Date Created2016
Other Date2016-01 (degree)
SubjectCivil and Environmental Engineering, Concrete bridges, Surface waves--Measurement, Seismic waves--Measurement
Extent1 online resource (xvii, 225 p. : ill.)
DescriptionAccurate and timely condition assessment of bridge decks is essential for economic management of aging highway bridges. The ability to evaluate concrete modulus profile in a bridge deck can help the detection of early signs of deterioration and optimize the bridge maintenance procedures. This study presents a new method for modulus profiling of concrete bridge decks. The stiffness matrix method is used to simulate wave propagation in a layered media. The results are compared to numerical finite element models. Dispersion analysis is done using the multi-channel analysis of surface waves (MASW) and phase-shift methods. The characteristics of dispersion surface are analyzed and the effects of model parameters on dispersion surface are examined through a series of parametric studies. An inversion technique is proposed for a fast inversion of surface-wave data collected on bridge decks. This technique utilizes a database of pre-calculated dispersion surfaces and takes advantage of the observed patterns in the parametric study as a priori information for the inversion process.
NotePh.D.
NoteIncludes bibliographical references
Noteby Farhad Fetrat
Genretheses, ETD doctoral
Persistent URLhttps://doi.org/doi:10.7282/T3TQ63MC
Languageeng
CollectionGraduate School - New Brunswick Electronic Theses and Dissertations
Organization NameRutgers, The State University of New Jersey
RightsThe author owns the copyright to this work.
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