Search results
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Title
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Load Rating for North Carolina Legal Vehicles
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Author
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Weiger, Jason
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Date Created
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2017
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Subjects--Topical
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Civil engineering
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Description
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Bridge load rating is the process by which the continued health and capacity of bridges are determined by state authorities. This process was established after the collapse of the Silver Bridge over the Ohio River due to overloading resulted in 46...
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Title
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MODELING CRASH RISK AT RAIL-HIGHWAY AT GRADE CROSSINGS
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Author
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Sharma, Soumya
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Date Created
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2014
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Subjects--Topical
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Civil engineering
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Description
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The Federal Railroad Administration (FRA)'s Web Based Accident Prediction System (WBAPS) is used by federal, state and local agencies to get a preliminary idea on safety at a rail-highway grade crossing. It is an interactive and user friendly tool...
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Title
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MODELING TRAVEL DEMAND AND CRASHES AT MACROSCOPIC AND MICROSCOPIC LEVELS
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Author
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Duddu, Venkata Ramana
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Date Created
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2012
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Subjects--Topical
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Civil engineering, City planning, Transportation--Planning
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Description
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Accurate travel demand / Annual Average Daily Traffic (AADT) and crash predictions helps planners to plan, propose and prioritize infrastructure projects for future improvements. Existing methods are based on demographic characteristics, socio-eco...
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Title
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MOISTURE AND HEAVY METAL STABILIZATION FOR COAL COMBUSTION RESIDUALS USING SODIUM POLYACRYLATE
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Author
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Annamraju, Sai Sahithi
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Date Created
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2018
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Subjects--Topical
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Civil engineering, Environmental engineering, Geotechnical engineering
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Description
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Due to the recent (2015) federal regulations pertaining to disposal of coal combustion residuals (CCR) from electric utilities, methods to dewater the CCR impoundments, establish structural stability, and mitigate the leaching of heavy metals from...
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Title
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Methods to Estimate Link Level Travel Based on Spatial Effects
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Author
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Kusam, Prasanna
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Date Created
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2011
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Subjects--Topical
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Civil engineering, City planning, Transportation--Planning
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Description
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Annual Average Daily Traffic (AADT) is used in several planning, roadway design, operational and safety analyses by transportation planners and engineers. Existing methods are very complex and do not adequately address the modeling needs. Errors a...
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Title
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Modeling Bicycle-Vehicle Crash Frequency on Urban Roads
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Author
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Mukoko, Kanya
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Date Created
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2017
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Subjects--Topical
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Civil engineering, Transportation, City planning
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Description
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Bicyclists and motorists make mistakes that contribute to traffic crashes involving bicyclists on urban roads. The likelihood of a bicyclist being severely injured or killed daily in traffic crashes is creating fear, anxiety, and becoming a potent...
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Title
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Modeling Freeway Level-of-Service based on Travel Time and Travel Time Reliability
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Author
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Imran, Md. Shah
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Date Created
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2015
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Subjects--Topical
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Civil engineering, Transportation, City planning
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Description
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The assessment of operational performance is a challenge for the local transportation agencies and Metropolitan Planning Organizations (MPOs) due to the dynamic nature in traffic movement. As demand approaches to the capacity of a roadway (or of t...
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Title
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Modeling Operational Performance of Urban Roads with Heterogeneous Traffic Conditions
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Author
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Kodupuganti, Swapneel Rao
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Date Created
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2021
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Subjects--Topical
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Civil engineering, Transportation
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Description
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Several urban areas in the United States have planned for new facilities to cater to the needs of users of alternative modes of transportation (e.g., public transportation, walking, and bicycling) over the next decade. As an example, the city of C...
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Title
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Modeling and Evaluating the Safety Effectiveness of Mini-Roundabouts
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Author
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Mishra, Raunak
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Date Created
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2022
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Subjects--Topical
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Civil engineering, Transportation, Sustainability
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Description
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Mini-roundabouts are a type of roundabout characterized by a small diameter, and fully traversable central island and splitter islands. They are an alternative intersection design option in areas with constraints requiring additional land acquisit...
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Title
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Modeling the Crash Injury Severity in Work Zone Areas on Freeways
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Author
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Miatudila, Sr., Alain
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Date Created
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2016
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Subjects--Topical
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Civil engineering, Transportation, Statistics
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Description
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The rising frequency of crashes in work zones on American freeways is a growing issue inherently linked to the degrading state of our transportation infrastructure. As travel demand increases and our infrastructure continues to age and wear out, w...
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Title
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Optimized Aggregate Gradation Concrete Mixtures with Cementitious Material Reduction
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Author
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Theilgard, Peter
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Date Created
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2022
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Subjects--Topical
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Civil engineering, Materials science
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Description
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Optimized aggregate gradation concrete mixtures with reduced cementitious materials are emerging in concrete mixture design in an effort to reduce costs and CO2 emissions while improving the concrete’s durability characteristics. Optimizing the ag...
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Title
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PHARMACEUTICALS IN THE ENVIRONMENT: PREVIOUSLY UNRECOGNIZED SOURCES IN WATER RESOURCES
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Author
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NETH, NICOLE
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Date Created
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2018
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Subjects--Topical
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Civil engineering, Environmental engineering, Water resources development--Management
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Description
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It is known that wastewater treatment plants are one of the major routes through which pharmaceuticals enter the environment. The following work investigated the effect of previously unrecognized sources of pharmaceuticals that enter water resourc...