Index Catalog // ScholarsArchive@OSU

Direction, method, and model for implementing design for construction worker safety in the US

Creator:: Tymvios, Nicholas
Abstract:: The construction industry employs about 7% of the total US workforce, and yet it accounts for 15.7% of all occupational fatalities. Specifically in 2011, there were 721 deaths in construction, second only to transportation with 733. The cause of a large number of these construction deaths can be attributed to...
Resource Type:: Dissertation
Full Text:: AN ABSTRACT OF THE DISSERTATION OF Nicholas Tymvios for the degree of Doctor of Philosophy in

Radiometric Calibration of EAARL‐B Bathymetric Lidar Data

Creator:: Wilson, Nicholas C.
Abstract:: The Experimental Advanced Airborne Research Lidar ‐ B (EAARL‐B), which was built and deployed by the U.S. Geological Survey (USGS) in 2014, is a novel topographic‐bathymetric lidar system. While retaining a number of features that were pioneered in the original National Aeronautics and Space Administration (NASA) EAARL system (e.g., low...
Resource Type:: Masters Thesis
Full Text:: THE THESIS OF Nicholas C. Wilson for the degree of Master of Science in Civil Engineering

Mapping Nearshore Bathymetry with Spaceborne Data Fusion and State Space Modeling

Creator:: Forfinski-Sarkozi, Nicholas A.
Abstract:: Despite numerous techniques for measuring and estimating water depth, bathymetry in the nearshore zone is notoriously difficult to map. Dangerous sea states, noisy environmental conditions, and expensive survey operations, particularly in remote areas, contribute to the difficulties of obtaining data along the coast. Global datasets, derived mainly from satellite altimetry...
Resource Type:: Dissertation
Full Text:: OF THE DISSERTATION OF Nicholas A. Forfinski-Sarkozi for the degree of Doctor of Philosophy in

Observations and Modeling of Shear Reduction and Sediment Flux within Vegetated Canopies on Managed Coastal Dunes

Creator:: Dickey, John
Abstract:: Wind flow on vegetated coastal foredunes adapts to the local canopy drag, resulting in spatial gradients in bed shear stresses which contribute to the formation of localized bedforms (e.g., nebkha, shadow dunes). Numerous morphological properties of the plants, including canopy height and density, affect the wind flow dynamics and therefore...
Resource Type:: Masters Thesis

Effectiveness of curve advisory speed signs : a characterization of road operations in western Oregon

Creator:: Avelar Morán, Raúl Eduardo
Abstract:: Posting advisory speed signs at sharp horizontal curve locations is a common practice in the U.S. These signs recommend drivers safe speeds to negotiate such curves. Literature indicates that adherence to advisory speeds is, in general, poor. Moreover, limited research is available that quantifies safety implications of these signs. This...
Resource Type:: Masters Thesis
Full Text:: Operations in Western Oregon. Abstract approved: ___________________________ Karen K. Dixon

Consistency and effectiveness of advisory speeds: an evaluation of current posting techniques

Creator:: Rohani, Joshan W.
Abstract:: Crash rates are said to be nearly three times higher on curved sections than those on straight sections of rural roadways. As a result, advisory curve/speed signs are standard practice to mitigate these risks on sharp horizontal curves. The industry standard for determining appropriate and uniform speeds for such signs...
Resource Type:: Masters Thesis
Full Text:: : _______________________________________ Karen K. Dixon Crash rates are said to be nearly three times higher on curved sections

Three dimensional dynamic video position sensing

Creator:: Jansky, L. Andrew
Abstract:: A comprehensive system to locate and track objects in two or three dimensional space, using non-contact video sensing techniques is described. The need exists to be able to quantify range and proximity of objects that would be difficult or impossible to measure using standard contact based sensor technology. Available video...
Resource Type:: Masters Thesis
Full Text:: : Charles K. Sollitt A comprehensive system to locate and track objects in two or three dimensional space

Dual Purpose Utilization of Titanium Alloy Bars for Impressed Current Cathodic Protection and Near Surface Mounted Retrofit in Reinforced Concrete Beams

Creator:: Slawinski, Amanda K.
Abstract:: Many older reinforced concrete bridges and buildings in the United States are considered deficient due to past design codes that are not conservative, increased loading, and deterioration of structural components. Deterioration is most commonly caused by corrosion, which reduces the steel cross sectional area and damages the concrete cross section....
Resource Type:: Masters Thesis
Full Text:: AN ABSTRACT OF THE THESIS OF Amanda K

Influence of diagonal cracks on negative moment flexural anchorage performance in reinforced concrete bridge girders

Creator:: Goodall, Joshua K.
Abstract:: Large numbers of vintage reinforced concrete deck-girder bridges remain in the national bridge inventory. Many of these exhibit diagonal cracking and other distress. Due to the design practices of the time, it is common to observe cracks at locations where flexural reinforcing steel is terminated along the span. The presence...
Resource Type:: Masters Thesis
Full Text:: .......................................................................................... 144 Appendix K: Specimen IT.45.Ld2(5

New acoustic emission applications in civil engineering

Creator:: Schumacher, Thomas
Abstract:: Non-destructive testing methods and applications have become of increasing interest due to the worldwide aging and deteriorating infrastructure network. In the field of Civil Engineering, bridges and bridge components as well as non-structural elements such as roadway pavements for example, are affected. In particular, the Acoustic Emission (AE) technique offers...
Resource Type:: Dissertation
Full Text:: . 4.1–AE burst signal example with enlarged p-wave arrival at sensor k

ScholarsArchive@OSU

Direction, method, and model for implementing design for construction worker safety in the US

Radiometric Calibration of EAARL‐B Bathymetric Lidar Data

Mapping Nearshore Bathymetry with Spaceborne Data Fusion and State Space Modeling

Observations and Modeling of Shear Reduction and Sediment Flux within Vegetated Canopies on Managed Coastal Dunes

Effectiveness of curve advisory speed signs : a characterization of road operations in western Oregon

Consistency and effectiveness of advisory speeds: an evaluation of current posting techniques

Three dimensional dynamic video position sensing

Dual Purpose Utilization of Titanium Alloy Bars for Impressed Current Cathodic Protection and Near Surface Mounted Retrofit in Reinforced Concrete Beams

Influence of diagonal cracks on negative moment flexural anchorage performance in reinforced concrete bridge girders

New acoustic emission applications in civil engineering

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