Index Catalog // ScholarsArchive@OSU

Well-balanced scheme for modeling open-channel and surcharged flows in steep-slope closed conduit systems

Creator:: Leon, Arturo S., Gifford-Miears, Christopher, and Choi, Yunji
Abstract:: The model presented herein is the same as that of Leon et al. (2010b), except that it has been modified to preserve "lake at rest" conditions in sloped prismatic conduits. The results of the new model (present paper) are identical to those of Leon et al. (2010b) for non-rest conditions....
Resource Type:: Article

Use of Virtual Visual Sensors in the Determination of Natural Frequencies of Timber Structures for Structural Health Monitoring

Creator:: Walker, Kristopher
Abstract:: Many nondestructive techniques for structural health monitoring are subjective and based on visual observations of degradation. In addition, dynamic properties of structures are already used to obtain quantitative structural health data. However, most current data collection is limited to localized damage on the structure, rather than global response. Recent research...
Resource Type:: Masters Thesis

Unified Approach for LRFD Live Load Moments in Bridge Decks

Creator:: Higgins, Christopher, Turan, O. Tugrul, Connor, Robert J., and Liu, Judy
Abstract:: Current AASHTO-LRFD specifications use many disparate design provisions to establish live load demands in bridge decks. As an example, approximately 17% of Chapter 4 addresses the analysis of decks. One of the AASHTO-LRFD analysis methods for decks uses an orthotropic plate model. The present AASHTO-LRFD orthotropic plate model has a...
Resource Type:: Article

Tsunami loading on light-frame wood structures

Creator:: Linton, David B.
Abstract:: Since 2004 there have been multiple devastating tsunamis around the globe triggered by large magnitude earthquakes; with the most recent being the Tohoku, Japan tsunami in March 2011. These tsunamis have caused significant loss of life and damage to the coastal communities impacted by these powerful waves. The resulting devastation...
Resource Type:: Masters Thesis

Tsunami Inundation Modeling in Constructed Environments: A Physical and Numerical Comparison of Free-Surface Elevation, Velocity, and Momentum Flux

Creator:: Park, Hyoungsu, Cox, Daniel T., Lynett, Patrick J., Wiebe, Dane M., and Shin, Sungwon
Abstract:: A laboratory benchmark test for tsunami inundation through an urban waterfront including free surface elevation, velocity, and specific momentum flux is presented and compared with a numerical model (COULWAVE). The physical model was a 1:50 scale idealization of the town Seaside, Oregon, designed to observe the complex tsunami flow around...
Resource Type:: Article

TopCAT – Topographical Compartment Analysis Tool to analyze seacliff and beach change in GIS

Creator:: Olsen, Michael J., Young, Adam P., and Ashford, Scott A.
Abstract:: This paper discusses the development of a new GIS extension named the Topographic Compartment Analysis Tool (TopCAT), which compares sequential digital elevation models (DEMs) and provides a quantitative and statistical analysis of the alongshore topographical change. TopCAT was specifically designed for the morphological analysis of seacliffs and beaches but may...
Resource Type:: Article

The review of PPP toll roads in the US and the simulation of the Chicago Skyway

Creator:: Xu, Wei
Abstract:: As the traffic demand increases at a faster rate than the upgrade and maintenance of transportation facilities through the traditional public financing methods in the United States, the Public-Private Partnership (PPP) is becoming an important supplement to the public transportation infrastructure investment. There are already several existing PPP toll road...
Resource Type:: Masters Thesis

The influence of seismic attack and chloride-induced corrosion on a life cycle inventory assessment of different concrete mixtures

Creator:: Christiansen, Joshua W.
Abstract:: The life cycle assessment (LCA) process is a systematic approach to determining the environmental impacts of different products and processes. LCA is a relative approach that requires functional equivalence for the results to be compared. A method is presented that achieves functional equivalence by equating the reliability indexes being compared....
Resource Type:: Masters Thesis

The Fundamental Behavior of Timber-Concrete Composite Floors in Fire

Creator:: Shephard, Annabel B.
Abstract:: Timber-concrete composite (TCC) floors have improved strength and stiffness when compared to timber-only floors, allowing for longer spans in buildings and improved life safety. However, North America does not have codes and standards that recognize TCC floors, particularly the improved life safety performance of these floors in fire. Therefore, alternate...
Resource Type:: Masters Thesis

The Evaluation of Cementitious Pore Solution Composition and Electrical Resistivity Using X-ray Fluorescence (XRF)

Creator:: Tsui Chang, Marisol
Abstract:: Interest in performance specifications has been growing in the civil and construction industry in the past decade. One major focus area has been on understanding how to prolong the service life of concrete structures, since repair and rehabilitation of existing infrastructure have cost many trillions of dollars. Deterioration mechanisms such...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Well-balanced scheme for modeling open-channel and surcharged flows in steep-slope closed conduit systems

Use of Virtual Visual Sensors in the Determination of Natural Frequencies of Timber Structures for Structural Health Monitoring

Unified Approach for LRFD Live Load Moments in Bridge Decks

Tsunami loading on light-frame wood structures

Tsunami Inundation Modeling in Constructed Environments: A Physical and Numerical Comparison of Free-Surface Elevation, Velocity, and Momentum Flux

TopCAT – Topographical Compartment Analysis Tool to analyze seacliff and beach change in GIS

The review of PPP toll roads in the US and the simulation of the Chicago Skyway

The influence of seismic attack and chloride-induced corrosion on a life cycle inventory assessment of different concrete mixtures

The Fundamental Behavior of Timber-Concrete Composite Floors in Fire

The Evaluation of Cementitious Pore Solution Composition and Electrical Resistivity Using X-ray Fluorescence (XRF)

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