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- Automobile drivers -- Behavior -- Analysis (1)
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Cracking Susceptibility Of Concrete Made With Recycled Concrete Aggregate, O. Burkan Isgor, Jason Ideker, Tengfei Fu, Matthew P. Adams
Cracking Susceptibility Of Concrete Made With Recycled Concrete Aggregate, O. Burkan Isgor, Jason Ideker, Tengfei Fu, Matthew P. Adams
TREC Final Reports
As high-quality, local, natural aggregate resources continue to become less available, and the cost of landfilling waste material rises, the need for alternative aggregates and recycling of waste material will increase. Using RCA in fresh concrete is one way to address both of these issues. However, there has long been a concern that RCA may negatively affect the properties of new concrete in which it is included. The results of the present investigation, however, indicate that the use of RCA in new concrete may not produce higher levels of free drying shrinkage as previously believed. Actually, these results show that …
From Transit Stop To Urbanity Node: Field Audit For Measuring Livability At The Transit Stop, Deni Ruggeri
From Transit Stop To Urbanity Node: Field Audit For Measuring Livability At The Transit Stop, Deni Ruggeri
TREC Final Reports
This research proposal addresses issues of livability at the transit stop. American transit systems have historically been “shoehorned” into existing street networks designed predominantly for cars and trucks. While much research exists on livability and walkability in the context of urban and suburban streets and blocks, bus stops are greatly understudied. This research focused on bus stops and aimed at analyzing their performance in terms of livability, with particular emphasis on perceptions. Our definition of livability was expanded to include considerations of safety and maintenance, cleanliness, imageability and vitality, which have been shown to affect people’s perceptions of livability and …
Reducing Seismic Risk To Highway Mobility: Assessment And Design Examples For Pile Foundations Affected By Lateral Spreading, Scott A. Ashford, Michael H. Scott, Deepak Rayamajhi
Reducing Seismic Risk To Highway Mobility: Assessment And Design Examples For Pile Foundations Affected By Lateral Spreading, Scott A. Ashford, Michael H. Scott, Deepak Rayamajhi
TREC Final Reports
Damage in pile supported structures due to liquefaction and liquefaction induced deformation were reported in past earthquakes around the world (e.g., Ansal et al. 1999; Seed et al. 1990; EERI 2010, EERI 2011; GEER 2010a, GEER 2010b, GEER 2011). For example, a reconnaissance report from a recent subduction zone event, the 2010 Chile earthquake (Mw=8.8), showed the pervasive nature of liquefaction and liquefaction-induced lateral spreading damage to bridge foundations (GEER 2010a, Yen et al. 2011). In terms of seismic hazard, the Pacific Northwest shares similar conditions from a Cascadia Subduction Zone (CSZ) earthquake source with the expected earthquake magnitude of …
Improved Pedestrian Safety At Signalized Intersections Operating The Flashing Yellow Arrow, David Hurwitz, Christopher M. Monsere
Improved Pedestrian Safety At Signalized Intersections Operating The Flashing Yellow Arrow, David Hurwitz, Christopher M. Monsere
TREC Final Reports
In some jurisdictions, protected left-turn phasing has been replaced with the flashing yellow arrow (FYA) for protected/permissive left turns (PPLTs) to reduce delay. However, it is important to have a thorough understanding of the conflict between pedestrians and the permissive left-turning vehicle. This presentation summarizes the results of research conducted with a high-fidelity, motion-based driving simulator and mobile eye-tracking equipment to study the effects of the opposing traffic, the presence and walking direction of pedestrians, and the number of section heads to display the FYA on driver performance. To accomplish this research, a six-intersection simulated environment was created. In total, …
Enhancing Bicycle And Pedestrian Education Through Curriculum And Faculty Development, Lynn Weigand
Enhancing Bicycle And Pedestrian Education Through Curriculum And Faculty Development, Lynn Weigand
TREC Final Reports
This project was intended to provide relevant curriculum on bicycle and pedestrian transportation that can be used by planning and engineering faculty to integrate these topics into their course offerings. We developed a module-based curriculum for bicycle and pedestrian planning and design that is current, relevant to practice, and adaptable for use in a variety of course offerings in engineering and planning departments. We also procured 33 new publications for the Millar Library to support coursework on this topic. In addition, a proposal to pilot a faculty development workshop was funded, allowing us to provide training and resources to transportation …