Index Catalog // ScholarsArchive@OSU

Influence of transport parameters on the fresh and hardened characteristics of ready-mixed concrete

Creator:: Chen, Jiaming
Abstract:: Most specifications for ready-mix concrete (RMC) limit mixing time to 90 minutes and/or truck drum revolution counts (DRC) to 300 before discharge. These specifications have been in place for many years with the objective of ensuring the quality and performance of the finished concrete product. However, limited research has been...
Resource Type:: Masters Thesis
Full Text:: to thank Dr. Burkan Isgor, Dr. Chris Bell and Dr. Jack Higginbotham for being on my thesis

Stochastic Characterization of Highway Capacity and Its Applications

Creator:: Dong, Shangjia
Abstract:: Highway capacity has traditionally been treated as deterministic. In reality, however, capacity can vary from time to time and location to location due to inclement weather, various driving behavior, traffic incident, bottleneck and workzone. This thesis aims to characterize the stochastic variations of highway capacity, and explore its applications. The...
Resource Type:: Masters Thesis
Full Text:: Hurwitz and Dr. Chris A. Bell. The first ever transportation class I took is from Dr.Hurwitz, which laid

The Evaluation of Engineering Treatments for Right-Hook Crashes at Signalized Intersections with Bicycle Traffic

Creator:: Warner, Jennifer Lynn
Abstract:: A right-hook crash is a bicycle-motor vehicle crash between a right-turning motor vehicle and an adjacent through-moving bicycle. This study focuses on right-hook crashes that occur during the latter stage of the circular green indication at signalized intersections with shared right-turn and through lanes. The overall objective was to evaluate...
Resource Type:: Masters Thesis
Full Text:: , and to my committee members, Dr. Chris Bell and Dr. Haizhong Wang. A huge thank you to all of the

An Evaluation of the Random-Parameter and Latent Class Methods for Heavy Vehicle Injury Severity and Crash Rate Analysis : An Idaho Case Study by Roadway Classification

Creator:: Anderson, Jason
Abstract:: This thesis provides a comparison of advanced econometric frameworks to account for unobserved factors in crash reported data (also referred to as unobserved heterogeneity) while identifying contributing factors by roadway classification for heavy vehicle injury severity and crash rates. The presented thesis provides two manuscripts that expand the literature regarding...
Resource Type:: Masters Thesis
Full Text:: . Dr. Hernandez, thank you. I would also like to thank Dr. Chris Bell, Dr. Shane Brown and Dr. Tom

Development of Technologies to Evaluate Hot Mix Asphalt Adhesion through Tack Coat

Creator:: Mahmoud, Aiman Mustafa H.
Abstract:: Flexible pavements consist of multilayers, which form the pavement structures. Since the strength of the bond at interface between layers plays a significant role in improving the structural integri-ty and the performance of pavement structures, tack coat materials and methods used for their application during construction are important in providing...
Resource Type:: Masters Thesis
Full Text:: Committee (TAC). I would also like to thank the members of my defense committee (Professors Chris Bell

Evaluation of Oregon Tack Coat Performance to Reduce Tracking and Increase Interlayer Shear Strength of Asphalt Pavements

Creator:: Covey, David J.
Abstract:: CSS-1H is the most commonly used slow-setting emulsion grade in Oregon. “New” engineered emulsions were recently developed in Oregon to reduce tracking, the pick-up of tack coats by construction vehicle tires during construction activities, and increase interlayer shear strength (ISS), the amount of adhesive bond present between layers of asphalt...
Resource Type:: Masters Thesis

The Effects of Construction Practices on Concrete Construction Joint Performance

Creator:: Panduranga Setty, Shreyas
Abstract:: Concrete is the most widely used construction material in the world. When constructing large concrete structures, concrete may have to be placed in multiple lifts. In these cases, fresh concrete is placed on hardened concrete. The interface that is formed between these two lifts of concrete is known as a...
Resource Type:: Masters Thesis
Full Text:: . Chris Bell and Dr. Ingrid Arocho for being part of my graduate committee. I am grateful to Dr. Thomas

Wheeled Mobility Devices Performance and Passive Securement Systems

Creator:: Mather, Andrea
Abstract:: Wheeled mobility devices (WhMD) pose unique safety risks to users while riding public transportation. Unsecured or improperly secured WhMDs create safety concerns for other transit riders and operators. Tests using accelerometers and visual observations were conducted to understand how WhMD orientation and securement in articulated buses, streetcars, and light rail...
Resource Type:: Masters Thesis

Consideration of Driver Behavior in the Design of Red Light Extension Systems

Creator:: McCrea, Sarah Anne
Abstract:: Red Light Running (RLR) is a safety hazard at signalized intersections in Oregon and throughout the United States. Various methods of mitigating factors contributing to RLR have been implemented but few protect against a conflict when a vehicles runs a red light. Additionally, current prediction algorithms are complicated; there is...
Resource Type:: Masters Thesis
Full Text:: . Thank you to my thesis committee: Dr. Chris Bell, Dr. Katharine Hunter-Zowarski, and Dr. Yue Zhang

Pedestrian distraction : pedestrian behaviors at midblock crossings considering geometric and environmental conditions

Creator:: Kautz, Julia Anne
Abstract:: Pedestrian distraction at roadway crossings has been correlated with a higher risk of pedestrian-vehicle collisions due to the pedestrian's cognitive, visual, and motor attention being drawn to a wide variety of secondary tasks. This study is different from previous field studies of pedestrian midblock crossings in that the geometric layout...
Resource Type:: Masters Thesis
Full Text:: my advisor Dr. David Hurwitz, and to my committee members Professor Chris Bell, Professor Prasad

The use of blended synthetic fibers to reduce cracking risk in high performance concrete (HPC)

Creator:: Bañuelos, José
Abstract:: High Performance Concrete (HPC) is used in our crucial pieces of infrastructure, such as bridge decks, due to its enhanced durability and engineering properties. However, HPC is highly susceptible to early-age cracking. Cracking within the first months of a bridge deck’s lifespan can severely hinder its long-term performance and durability....
Resource Type:: Masters Thesis
Full Text:: committee: Dr. Chris Bell, Dr. Arijit Sinha, and Dr. Chinweike Eseonu. Finally, I want to thank my

EMD based hybrid models in short term traffic speed forecast

Creator:: Liu, Lu
Abstract:: Short-term freeway traffic speed prediction is essential to improving mobility and safety. It has been a challenging, yet unresolved issue. Traffic speed prediction can be applied to enhance the intelligent freeway traffic management and control for applications as operational and regulation planning. For example, with more reliable traffic speed prediction,...
Resource Type:: Masters Thesis
Full Text:: dedication that Dr. Chris Bell, Dr. Salvador Hernandez, Dr. David Hurwitz, Dr. Hunter-Zaworski, and Dr

Driving simulation : a mechanism for understanding driver response to mobile barriers in work zones

Creator:: Swake, Joshua
Abstract:: Highway construction projects require temporary changes in roadway characteristics, such as the number of operational lanes, lane path, lane width, shoulder width, and posted speed limit. These modifications which are often temporary in nature have the potential to impact driving performance. Many research efforts have focused on developing standards to...
Resource Type:: Masters Thesis
Full Text:: . Hunter-Zaworski, Dr. Haizhong Wang, and Dr. Chris Bell bring to the transportation program at OSU. I

Test method to determine the degree of asphalt stripping from aggregates

Creator:: Boudreau, Richard L.
Abstract:: Moisture damage has long been recognized as one of the most critical factors influencing the performance of asphalt concrete (AC) pavements. This moistureinduced damage occurs from either the physical separation of the asphalt film from the aggregate or the softening of the asphalt binder within the AC mixture in the...
Resource Type:: Masters Thesis
Full Text:: David Faulkenberry, Dr. Chris Bell, and Dr. Bob Leichti for their active participation on the graduate

Factors influencing physical educators' inclusion behaviors towards students with autism spectrum disorder

Creator:: Morgan, Jennifer A.
Abstract:: The inclusion of students with disabilities in general physical education (GPE) classes has become a concept and practice that is expected if not always understood. A review of inclusion in physical education literature suggested that GPE teachers possess less than favorable feelings towards the inclusion of students with disabilities in...
Resource Type:: Dissertation

Asynthesis & act: the evental sublime in Badiou, Byron, and Barker

Creator:: Drury, Adam Marshall
Abstract:: Asynthesis & Act is a signiﬁcant intervention into the discourse of the sublime. Through a deep investigation of the critical metaphysics of Immanuel Kant, the ﬁrst chapter of this thesis puts forth the claim that the sublime is a radical experience that occasions a possibility for the individual to commit...
Resource Type:: Masters Thesis

Challenges of creating and maintaining international alumni relations programs

Creator:: Read, Lillian S.
Abstract:: During the 2006/07 academic year, 582,984 international students studied in the United States (Open Doors Study, 2007). Roughly 430,000 of these international students were pursuing Bachelors or Graduate level degrees. Of the international students that complete degrees, most will return to their home country and will be unable to attend...
Resource Type:: Masters Thesis

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

Moving towards sustainability and increasing user safety by improving performance of RAP mixtures and developing a network-level decision-making tool for pavement maintenance

Creator:: Haddadi, Sogol Sadat
Abstract:: Due to a general reduction in pavement program funding levels over the past decade, the current budget is not sufficient to maintain roadways at a high level of service with acceptable roughness levels. Rough roadways with poor ride quality increase drivers’ vehicle operating costs (fuel consumption, vehicle maintenance, and tire-wear)...
Resource Type:: Masters Thesis

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

ScholarsArchive@OSU

Influence of transport parameters on the fresh and hardened characteristics of ready-mixed concrete

Stochastic Characterization of Highway Capacity and Its Applications

The Evaluation of Engineering Treatments for Right-Hook Crashes at Signalized Intersections with Bicycle Traffic

An Evaluation of the Random-Parameter and Latent Class Methods for Heavy Vehicle Injury Severity and Crash Rate Analysis : An Idaho Case Study by Roadway Classification

Development of Technologies to Evaluate Hot Mix Asphalt Adhesion through Tack Coat

Evaluation of Oregon Tack Coat Performance to Reduce Tracking and Increase Interlayer Shear Strength of Asphalt Pavements

The Effects of Construction Practices on Concrete Construction Joint Performance

Wheeled Mobility Devices Performance and Passive Securement Systems

Consideration of Driver Behavior in the Design of Red Light Extension Systems

Pedestrian distraction : pedestrian behaviors at midblock crossings considering geometric and environmental conditions

The use of blended synthetic fibers to reduce cracking risk in high performance concrete (HPC)

EMD based hybrid models in short term traffic speed forecast

Driving simulation : a mechanism for understanding driver response to mobile barriers in work zones

Test method to determine the degree of asphalt stripping from aggregates

Factors influencing physical educators' inclusion behaviors towards students with autism spectrum disorder

Asynthesis & act: the evental sublime in Badiou, Byron, and Barker

Challenges of creating and maintaining international alumni relations programs

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

Moving towards sustainability and increasing user safety by improving performance of RAP mixtures and developing a network-level decision-making tool for pavement maintenance

Finite element modeling of gusset plate failure using OpenSees

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