Index Catalog // ScholarsArchive@OSU

3-D finite element modeling in OpenSees for bridge live-load girder distribution factors

Creator:: Scoggins, Luke A.
Abstract:: A generalized, three-dimensional, finite element bridge model was created in order to efficiently and accurately assess live-load girder distribution factors for a variety of bridge types. This model shortens the time required by bridge analysts to develop individual finite element models for bridges of varying geometries. The creation of the...
Resource Type:: Masters Thesis
Full Text:: Factors. Abstract approved: Michael H. Scott A generalized, three-dimensional, finite

Preliminary deployment and evaluation of geophone sensors for monitoring wave activity: GeoMoteShield

Creator:: Lathrop, Eve
Abstract:: This study focuses specifically on the investigation of a new, inexpensive geophone system and its application to monitor wave activity. Studies of seismic observations of coastal cliffs suggest that ground motions generated from local ocean waves may provide a surrogate to limited wave buoy data to quantify the wave contact...
Resource Type:: Honors College Thesis
Full Text:: :_____________________________________________________ Michael J. Olsen This study focuses specifically on the investigation of a new, inexpensive

Tsunami Simulation Using OpenSees : Validation of Bridge Response and Exploration of Shallow Water Flow

Creator:: Cressman, Luke R.
Abstract:: The finite element software framework, OpenSees, has been used by researchers to simulate the response of structural and geotechnical systems to earthquake loading. Implementation of the Particle Finite Element Method (PFEM) has made it possible to simulate hydrodynamic forces through fluid-structure interaction (FSI) in OpenSees. To validate the FSI implementation...
Resource Type:: Masters Thesis
Full Text:: : Michael H. Scott The finite element software framework, OpenSees, has been used by researchers to

Predicting pore pressure response in in-situ liquefaction studies using controlled blasting

Creator:: Eller, James Michael
Abstract:: Originally used as a method to densify loose soils, controlled blasting has expanded its applicability to geotechnical engineering by becoming a research tool to physically generate liquefaction for full-scale in-situ tests, ranging from seismic performance of deep foundations to evaluating ground improvement techniques. Current methods used to design the blasting...
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF James Michael Eller for the degree of Master of Science in Civil

Regional and Site-Specific Vulnerabilities of the Western Power Grid from a M9.3 Cascadia Subduction Zone Earthquake

Creator:: Lathrop Eve D.
Abstract:: The likelihood of a Cascadia Subduction Zone (CSZ) earthquake is estimated between 37 to 42% in the next 50 years, leading to strong shaking, liquefaction, landsliding, and other seismic ground failure resulting in major impacts to critical lifelines such as the western power grid. Electrical power is essential for continued...
Resource Type:: Masters Thesis
Full Text:: Michael J. Olsen Armin W. Stuedlein The likelihood of a Cascadia Subduction Zone (CSZ) earthquake

Finite element modeling of gusset plate failure using OpenSees

Creator:: Walker, Andrew J.
Abstract:: The collapse of the I-35W Bridge in Minneapolis, MN in 2007 prompted an investigation into the design and inspection of the steel truss bridges. Further investigation into the collapse revealed that a gusset plate experienced sway buckling, causing the bridge failure. This bridge failure motivated research into the analysis and...
Resource Type:: Masters Thesis
Full Text:: Element Modeling of Gusset Plate Failure Using Opensees Abstract approved: Michael H. Scott

Probabilistic analysis and mapping of seismically induced landslide deformation in Oregon

Creator:: Sharifi Mood, Mahyar
Abstract:: Landslides are ubiquitous within the state of Oregon, imposing an annual estimated cost of more than $10 million. Weak, saturated soils at steep slopes combined with persistent rainfall throughout most of the year provide a dangerous environment for this natural disaster, particularly in western Oregon. This grim situation is intensified...
Resource Type:: Masters Thesis

Response Sensitivity Formulations for Geometrically Nonlinear Finite Element Analysis

Creator:: Al-Aukaily, Alabbas
Abstract:: Significant amounts of uncertainty owing to both modeling decisions and inherent randomness are present in simulating the material and geometric nonlinear response of structural systems to extreme loading. Computing the sensitivity of structural response with respect to model parameters indicates which parameters have the largest affect on the response, which...
Resource Type:: Dissertation
Full Text:: Sensitivity Formulations for Geometrically Nonlinear Finite Element Analysis Abstract approved: Michael H

Bridge Model Parameter Sensitivity in Pushover and Nonlinear Time History Analysis

Creator:: Johnsohn, Karryn E.
Abstract:: The aim of this research is to understand and quantify the modeling differences between CSiBridge and OpenSees, and to determine sensitive model parameters. When designing bridges for the high seismic region of California, the California Department of Transportation (Caltrans) performs nonlinear time history analysis of their bridge models. For three-dimensional...
Resource Type:: Masters Thesis
Full Text:: Parameter Sensitivity in Pushover and Nonlinear Time History Analysis Abstract approved: Michael H. Scott

Finite element modeling of reinforced concrete bridge columns with steel jackets using plastic hinge integration

Creator:: Carlton, Adam K.
Abstract:: In recent years confinement requirements for concrete columns have increased in seismic regions. Steel jackets are one way to confine reinforced concrete columns. The increased confinement provides additional strength and ductility for the columns during seismic events. For reinforced concrete columns with steel jackets, there are different section properties in...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

3-D finite element modeling in OpenSees for bridge live-load girder distribution factors

Preliminary deployment and evaluation of geophone sensors for monitoring wave activity: GeoMoteShield

Tsunami Simulation Using OpenSees : Validation of Bridge Response and Exploration of Shallow Water Flow

Predicting pore pressure response in in-situ liquefaction studies using controlled blasting

Regional and Site-Specific Vulnerabilities of the Western Power Grid from a M9.3 Cascadia Subduction Zone Earthquake

Finite element modeling of gusset plate failure using OpenSees

Probabilistic analysis and mapping of seismically induced landslide deformation in Oregon

Response Sensitivity Formulations for Geometrically Nonlinear Finite Element Analysis

Bridge Model Parameter Sensitivity in Pushover and Nonlinear Time History Analysis

Finite element modeling of reinforced concrete bridge columns with steel jackets using plastic hinge integration

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