Index Catalog // ScholarsArchive@OSU

Evaluation of a Pedestrian Call Extension and Cancelation System at a Midblock Trail Crossing

Creator:: Milacek, McKenna
Abstract:: Signalized intersections often provide pushbuttons to call for pedestrian service to minimize conflicting movements between road users. Signalized midblock crossings typically increase safety for pedestrians in locations with high traffic volumes and multiple lanes in each direction. However, unnecessary vehicular delay occurs from “ghost” pedestrian intervals when someone activates the...
Resource Type:: Masters Thesis
Full Text:: David Hurwitz Signalized intersections often provide pushbuttons to call for pedestrian service

Framework for assessing the potential safety performance of construction mechanical and electrical field employees

Creator:: Moghaddam Vahed, Ali
Abstract:: In the field of construction safety, many researchers have worked to create assessment tools. These tools focus on different aspects of construction safety, such as assessing safety climate, safety culture, etc. Although research indicates that the majority of incidents are caused by unsafe behaviors and acts, there are no comprehensive...
Resource Type:: Masters Thesis
Full Text:: the best advisor and mentor any student could wish for. I took several classes with Dr. David

Evaluation of Dynamic Passive Pedestrian Detection with a Framework for Future Applications

Creator:: Larson, Travis O.
Abstract:: Intersections pose unique transportation challenges regarding safety and operational efficiency. When pedestrians currently want to cross at intersection, they need to use a push button to issue a call for service. The call is static and cannot be altered or changed. But by implementing dynamic passive pedestrian detection sensors, intersections...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: _____________________________________________________________ David Hurwitz

An evaluation of gap acceptance behavior at unsignalized intersections

Creator:: Nabaee, Sahar
Abstract:: Gap acceptance behavior is critical to the safety and operational performance of unsignalized intersections. The complex nature of the human behavior and its dependence on various socioeconomic and environmental parameters makes it challenging for transportation professionals to assess the performance of such intersections. To investigate the behavioral patterns of drivers...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: _____________________________________________ David S. Hurwitz Gap acceptance

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:: : _____________________________________________________ David S. Hurwitz A right-hook crash is a bicycle-motor vehicle crash between a right

Alkali-silica reaction in concrete containing recycled concrete aggregates

Creator:: Adams, Matthew P.
Abstract:: Using recycled concrete aggregate (RCA) as a replacement for natural aggregate in new concrete is a promising way to increase the overall sustainability of new concrete. This has been hindered, however, by a general perception that RCA is a sub-standard material due to the lack of technical guidance, specifically related...
Resource Type:: Masters Thesis
Full Text:: ABSTRACT OF THE THESIS OF Matthew P. Adams for the degree of Master of Science in Civil Engineering

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:: : David Trejo Most specifications for ready-mix concrete (RMC) limit mixing time to 90 minutes and/or

Synergistic Effects of Alkali Silica Reaction (ASR) and Fly Ash on the Corrosion Characteristics of Reinforced Concrete Systems

Creator:: Mazarei, Vandad
Abstract:: Alkali silica reaction (ASR) and corrosion of reinforcement are two deterioration mechanisms in reinforced concrete (RC) structures. These deterioration mechanisms can significantly damage a RC structure and reduce its service life. Supplementary cementitious materials (SCMs) are commonly used to improve the durability of RC systems containing reactive aggregate that are...
Resource Type:: Masters Thesis
Full Text:: approved: David Trejo Alkali silica reaction (ASR) and corrosion of reinforcement are two deterioration

Implications of distracted driving on driver behavior in the standing queue of dual left-turn lanes : an empirical study

Creator:: Marnell, Patrick Stanley
Abstract:: Driver distraction is a commonly observable phenomenon with a significant effect on the transportation network. Although the negative effects of driver distraction on safety are commonly studied, there has been little effort made to investigate the impacts of distraction on efficiency. This study will examine driver behavior in standing queues...
Resource Type:: Masters Thesis
Full Text:: : ______________________________________________________ David S. Hurwitz Driver distraction is a commonly observable phenomenon with a significant

Development of a new mixture proportioning method and assessing the influence of material characteristics on flowing concrete mixtures

Creator:: Hendrix, Greg
Abstract:: Cast-in-drilled-hole (CIDH) piles are often constructed to depths that are inaccessible to internal vibration of the concrete. Internal vibration is necessary to consolidate the concrete and, if not performed, then typically inspection pipes are necessary to detect the presence of voids in CIDH piles. Void detection is critical to assessing...
Resource Type:: Masters Thesis
Full Text:: Flowing Concrete Mixtures Abstract approved: David Trejo Cast-in-drilled-hole (CIDH) piles

ScholarsArchive@OSU

Evaluation of a Pedestrian Call Extension and Cancelation System at a Midblock Trail Crossing

Framework for assessing the potential safety performance of construction mechanical and electrical field employees

Evaluation of Dynamic Passive Pedestrian Detection with a Framework for Future Applications

An evaluation of gap acceptance behavior at unsignalized intersections

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

Alkali-silica reaction in concrete containing recycled concrete aggregates

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

Synergistic Effects of Alkali Silica Reaction (ASR) and Fly Ash on the Corrosion Characteristics of Reinforced Concrete Systems

Implications of distracted driving on driver behavior in the standing queue of dual left-turn lanes : an empirical study

Development of a new mixture proportioning method and assessing the influence of material characteristics on flowing concrete mixtures

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