Index Catalog // ScholarsArchive@OSU

Evaluation of alternate surfacing systems for temporary and intermittent use roads

Creator:: Takallou, Mojtaba B.
Abstract:: The purpose of this study was to provide the USDA-Forest Service, Bureau of Land Management (BLM), and other agencies or industries that may deal with temporary and intermittent use roads with the necessary background information for the identification, economic evaluation, and selection of the alternate surfacing systems and to determine...
Resource Type:: Dissertation
Full Text:: hauling or mining activity moves, 2) degrade after use, and 3) significantly reduce the amount of rock

Development of performance based test procedures for asphalt mixtures

Creator:: Kliewer, Julie E.
Abstract:: In 1987, Congress authorized a 5 year $150 million dollar research program called the Strategic Highway Research Program (SHRP). SHRP was divided into four major areas, including the asphalt research program. The asphalt research program was divided into six major research contracts, one such contract, SHRP-003A was called Performance Related...
Resource Type:: Dissertation
Full Text:: . Bell In 1987, Congress authorized a 5 year $150 million dollar research programcalled the Strategic

Numerical response of concrete-lined tunnels crossing active faults

Creator:: Lange, Stephanie
Abstract:: A challenge for municipal authorities of growing urban areas is to provide larger and faster transportation and utility networks that are safe and resilient to significant disruptions after an earthquake event and other disasters. Urban regions, like the San Francisco Bay or the Los Angeles area, are situated in seismically...
Resource Type:: Dissertation
Full Text:: . North American Tunneling 2018 Proceedings, pg. 11-18. (The published conference paper has been

Polar analysis of beam-columns for aircraft

Creator:: Jones, Walter Richard
Abstract:: The analysis of a member carrying a combination of lateral and axial loads (a "beam-column") is a problem of frequent occurrence in aircraft structural design. This thesis presents the derivation and application of the Polar method, both analytical and graphical. The method was first suggested in Germany, several years later...
Resource Type:: Masters Thesis
Full Text:: 'erry functions are used, rather than the Precise functions with which the American designer is ouite

Factors Influencing Conversion and Volume Stability in Calcium Aluminate Cement Systems

Creator:: Adams, Matthew P. (Matthew Peter)
Abstract:: There is renewed interest in North America for the use of calcium aluminate cement (CAC) in infrastructure repair. The interest is driven by the specialty properties that make CAC the ideal candidate for particular applications. These include rapid strength gain, even at temperatures approaching 0°C, the ability to customize fresh...
Resource Type:: Dissertation
Full Text:: still not well understood within the North American construction community. There are three main

Bus accessibility for persons with sensory disabilities

Creator:: Hron, Martha
Abstract:: With the passage of the American with Disabilities Act (ADA) it has become a civil rights violation to deny access to persons with disabilities to public transportation. The ADA requires transit agencies to provide accessible buses or equivalent services to persons with mobility, sensory or cognitive impairments. This study examines...
Resource Type:: Masters Thesis
Full Text:: approved: Katharine Hunter-Zaworski With the passage of the American with Disabilities Act (ADA) it has

Of Planes and Plumblines: Map Projections and Differential Leveling in a GNSS-based 3D Geodetic Framework

Creator:: Dennis, Michael L.
Abstract:: Modern geospatial data are frequently represented in some type of three-dimensional (3D) coordinate system, for example geodetic latitude, longitude, and ellipsoid height (φ, λ, h) derived from Global Navigation Satellite Systems (GNSS). But for engineering and surveying work, φ, λ, h coordinates are usually converted to a topocentric system consisting...
Resource Type:: Dissertation
Full Text:: Plane Coordinate System of 2022 (SPCS2022), along with the North American-Pacific Geopotential Datum

Critical Assessment of Chloride States and Quantities in Ordinary Portland and Specialty Cements

Creator:: Ahmed, Ahmed Abdulhaq
Abstract:: The constituent materials of concrete often contain chlorides. The presence of chlorides in sufficient amounts can disrupt the passive layer, also known as the passive film, that protects the reinforcing steel in concrete. This disruption can lead to premature corrosion of the reinforcing steel in concrete. To minimize the risk...
Resource Type:: Dissertation
Full Text:: chloride concentrations in concrete are the American Society for Testing and Materials (ASTM) standard

Development of a Reliability-Based Framework and Empirical Models for Justifying Allowable Chloride Limits and Quantifying Critical Input Variables for Predicting the Service Life of Reinforced Concrete Structures

Creator:: Shakouri Hassanabadi, Mahmoud
Abstract:: Significant progress has been made over the past 20 years in developing models to estimate the service-life of reinforced concrete systems. The basic understandings of the mechanisms that control the transport of ions and moisture in concrete systems have been well researched and models for determining corrosion initiation, specifically chloride-induced...
Resource Type:: Dissertation
Full Text:: chlorides, many organizations such as American Concrete Institute (ACI) and State Highway Agencies (SHAs

Influence of Concrete and Construction Parameters on Chloride Test Measurements and Critical Chloride Threshold Limits

Creator:: Vaddey, Naga Pavan
Abstract:: The issue of chloride-induced corrosion of reinforcing steel in concrete and its economic impacts are well-known. Chlorides that cause reinforcement corrosion can be from constituent materials used to prepare concrete or can enter the hardened concrete when the structure is exposed to chloride environments. To minimize the risk of reinforcement...
Resource Type:: Dissertation
Full Text:: published by the American Concrete Institute (ACI) limit the amount of admixed chlorides that can be

ScholarsArchive@OSU

Evaluation of alternate surfacing systems for temporary and intermittent use roads

Development of performance based test procedures for asphalt mixtures

Numerical response of concrete-lined tunnels crossing active faults

Polar analysis of beam-columns for aircraft

Factors Influencing Conversion and Volume Stability in Calcium Aluminate Cement Systems

Bus accessibility for persons with sensory disabilities

Of Planes and Plumblines: Map Projections and Differential Leveling in a GNSS-based 3D Geodetic Framework

Critical Assessment of Chloride States and Quantities in Ordinary Portland and Specialty Cements

Development of a Reliability-Based Framework and Empirical Models for Justifying Allowable Chloride Limits and Quantifying Critical Input Variables for Predicting the Service Life of Reinforced Concrete Structures

Influence of Concrete and Construction Parameters on Chloride Test Measurements and Critical Chloride Threshold Limits

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