Civil and Environmental Engineering Commons^™

Investigation And Analysis Of The Fluctuating Brominated To Total Trihalomethane Ratio In The Virginia Beach Distribution System, Christopher Steven Mihalkovic

Civil & Environmental Engineering Theses & Dissertations

An increasing trend in the brominated-trihalomethane to total-trihalomethane concentration ratio from 2001 to 2016 in the Virginia Beach water distribution system was established and investigated. This study aimed at identifying factors contributing to fluctuations in trihalomethane speciation in finished water. Reservoir management practices, treatment processes, and source water conditions were examined to quantitatively and qualitatively discern the impact of their variations on finished water THM speciation. Data on water quality constituents and parameters from the Moore’s Bridges Treatment Facility and within the Virginia Beach distribution system were examined to interpret spatial and temporal relationships with trihalomethane concentrations using established research …

Investigating Physical Processes Associated With Chesapeake Bay And Changjiang Estuary, Arash Niroomandi

Civil & Environmental Engineering Theses & Dissertations

Coastal and estuaries are landforms that not only have great impacts on large marine ecosystem, but also play a significant role in moderating or aggravating natural hazards and erosion risks that are expected to increase with climate change. This dissertation explores some of the concerns associated with coasts and coastal systems. In the second chapter, a thirty seven year wave hindcast (1979-2015) in Chesapeake Bay using NCEP's Climate Forecast System Reanalysis (CFSR) wind is presented. The long-term significant wave heights are generated by the third-generation nearshore wave model SWAN, which is validated using the wave height measurements at buoy stations …

Simulated Dynamics Of Soil Water And Pore Vapor In A Semi-Arid Sandy Ecosystem, Shohreh Pedram

Civil & Environmental Engineering Theses & Dissertations

Understanding dynamics of soil water content (SWC) and pore air relative humidity (RHpa), as influenced by wetting-drying cycles, is crucial for sustaining fragile ecosystems of desert lands across the world and needed for improving the prediction accuracy of global climate change. However, to date, such an understanding is still incomplete. The objective of this dissertation was to examine such dynamics at a typical desert site within the Horqin Sandy Land, located in Mongolian Plateau of north China. The examination was done by using a HYDRUS-1D computer simulation model and the continuous sensor-based soil water data for two calendar years. HYDRUS-1D …

15-03 Real Time Bicycle Simulation Study Of Bicyclists' Behaviors And Their Implication On Safety, Valerian Kwigizile, Jun-Seok Oh, Raed Hasan, Cole G. Villalobos, Aous Hammad Kurdi, Anil Shaw

Transportation Research Center Reports

The main goal of this study was to build a bicycle simulator and study the interaction between cyclists and other roadway users. The simulator developed was used in conjunction with Oculus Rift googles to create a virtual cycling environment. The virtual riding environment contained roadway infrastructures and features such as intersections, crosswalks, bicycle lanes, shared-lanes, etc. It also contained both motor vehicles and pedestrians that interacted with cyclists. The rider’s perception and reactions to different situations were investigated based on their performance during four virtual simulation scenarios with an electroencephalogram (EEG) readings. In addition to the results on interactions of …

15-02 Estimating And Enhancing Public Transit Accessibility For People With Mobility Limitations, Jun-Seok Oh, C. Scott Smith, Rostam Qatra, Mohammad Al-Akash

Transportation Research Center Reports

This two-part study employs fine-scale performance measures and analytical techniques designed to evaluate and improve transit services for people experiencing disability. Part one puts forth a series of time-sensitive, general transit feed system (GTFS)-enhanced employment accessibility models that account for multiple transportation modes, categories of functional limitation and design characteristics of existing public transit infrastructure. Model results shed light on the degree to which a medium-size city’s public transit system addresses the gap between a theoretical continuum of rider capacities and the physical demands required to achieve mobility and access to employment. Our research finds that an individual’s combined physical …

Program Progress Performance Report #1, Missouri University Of Science And Technology. Inspire - University Transportation Center

Semi-Annual Progress Reports

No abstract provided.

Restoration Of Historic Buildings In Zanzibar, John K. Makunza Jkm

Tanzania Journal of Engineering and Technology (TJET)

Looking at current state of most repaired historic buildings in Stone Town of Zanzibar, it is quite clear that the repair attempts made have not been very successful. Modern materials and techniques introduced in the repair works have often proven to be incompatible with the original materials causing accelerated deterioration of buildings fabric. This shows that, there is no comprehensive study undertaken so far on identifying the appropriate materials and restoration techniques. To solve this problem, a study has been made with the main objective of developing the means of restoring historic buildings by using materials existing in Stone Town …

Streambank Erosion Mapping On The Nottoway River Using Gps-Based Above-Water Video, Emine Fidan

Pursuit - The Journal of Undergraduate Research at The University of Tennessee

This project concerns the development of streambank erosion maps on military installations utilizing GPS-based above-water video mapping and image georeferencing techniques. The river mapped was the Nottoway River at the Fort Pickett military installation on October 10-11, 2015. Kayak-mounted above-water cameras were utilized to capture georeferenced images of streambank erosion. These GIS-based erosion classifications were utilized to develop erosion maps for determining streambank erosion conditions along the river. Areas of high erosion were identified as about two percent of the river (2167 ft. of streambank length). These maps allow for the opportunity to revisit the sites to determine changes in …

Impact Of Mastering Engineering On Student Learning And Perceptions In A Strength Of Materials Course, Harry G. Cooke, Md Abdullah Al Faruque

Presentations and other scholarship

The impact of Mastering Engineering on student learning of key concepts in strength of materials has been assessed in this study by comparing homework and examination grades received by students who used Mastering to those from prior years when it was not used. Student perceptions of the effectiveness of Mastering for helping promote learning were obtained through weekly surveys that students completed about their use of the tutorials and videos. In addition, student ratings of teaching effectiveness and the accomplishment of course learning outcomes were evaluated to see if there were any impacts on student perceptions of the course. From …

Carbon And Nutrient Balances In Microalgal Bioenergy System, Eunyoung Lee

USF Tampa Graduate Theses and Dissertations

This research investigated life cycle environmental impacts and benefits of an integrated microalgae system with wastewater treatment system using an integrated process modeling approach combined with experimentation. The overall goal of this research is to understand energy, carbon and nutrient balances in the integrated system and to evaluate the environmental impacts and benefits of the integrated system from a carbon, nutrient, and energy perspective. In this study, four major research tasks were designed to contribute to a comprehensive understanding of the environmental and economic sustainability of the integrated system, which included development of an integrated co-limitation kinetic model for microalgae …

Higher Education Capacity Building In Water Resources Engineering And Management To Support Achieving The Sustainable Development Goal For Water In Pakistan, Steven J. Burian, Mercedes Ward, Tariq Banuri, M. Aslam Chaudhry, Sajjad Ahmad, Bakhshal Lashari, Rasool Bux Mahar, Davey Stevenson, Jim Vanderslice, Kamran Ansari, Munir Babar, Abdul Latif Qureshi

Civil and Environmental Engineering and Construction Faculty Research

Achieving the Sustainable Development Goals requires a multi‐pronged approach, with a key element being the development of a trained Community of Practice to sustain the advances in the relevant sectors. The engagement of higher education as a catalyst in the development and capacity building of the next generation of professionals and citizens comprising the Community of Practice is essential to meet the challenges of poverty, climate change, and clean water and to sustain those advances past 2030. This paper describes a capacity building program funded by the United States Agency for International Development to partner the University of Utah, in …

Everglades Drainage District: Biennial Report 1927-1928 To The Board Of Commissioners Of Everglades Drainage District, F C. Elliot

City and Regional Planning -- Florida

Everglades Drainage District report 1927-1928

Evaluation Of Adjustable Continuity Joint Variations For Use In The Restore Barrier, Scott Rosenbaugh, Jennifer D. Schmidt, Ronald K. Faller, James C. Holloway

Nebraska Department of Transportation: Research Reports

During MASH TL-4 full-scale crash testing of the RESTORE barrier, concrete cracking and spalling was observed on the barrier beams that would likely require repairs or replacement. This study sought to evaluate joint design alternatives for use in the RESTORE barrier in order to limit the amount of system damage. Three variations of the Adjustable Continuity Joint (ACJ) were identified as potential modifications: 1) incorporating rubber bearing pads within the ACJ, 2) utilizing normal weight concrete instead of lightweight concrete, and 3) incorporating a steel end cap into the ends of the beam segments.

Four dynamic component tests were conducted …

Quantifying And Modeling Surface Inflow And Groundwater Infiltration Into Sanitary Sewers In Southern Pinellas County, Fl, Megan E. Long

USF Tampa Graduate Theses and Dissertations

Following large rain events, excess flow in sanitary sewers from inflow and infiltration (I/I) cause sanitary sewer overflows (SSO), resulting in significant problems for Pinellas County and the Tampa Bay area. Stormwater enters the sanitary sewers as inflow from improper or illegal surface connections, and groundwater enters the system as infiltration through cracks in subsurface infrastructure. This pilot study was designed to develop methods to separate and quantify the components of I/I and to build a predictive model using flowmeter and rainfall data.

To identify surface inflow, daily wastewater production and groundwater infiltration patterns were filtered from the flow data, …

Enhancing Regional Ocean Modeling Simulation Performance With The Xeon Phi Architecture, Chris Lupo, Maria Pantoja, Paul Choboter

Civil and Environmental Engineering

Ocean studies are crucial to many scientific disciplines. Due to the difficulty in probing the deep layers of the ocean and the scarcity of data in some of the oceans, the scientific community relies heavily on ocean simulation models. Ocean modeling is complex and computationally intensive, and improving the performance of these models will greatly advance and improve the work of ocean scientists. This paper presents a detailed exploration of the acceleration of the Regional Ocean Model System (ROMS) software with the latest Intel Xeon Phi x200 architectures. Both shared-memory and distributed-memory parallel computing models are evaluated. Results show run …

Opportunities And Benefits Of Commercial Truck Platooning, Greg Shaver, Katie England

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Capacity And Safety Opportunities And Challenges In The Transition Period, Andrew Tarko, Brad L. Steckler

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Materials And Maintenance Considerations For Infrastructure Critical To Connected And Autonomous Vehicles, Timothy Wells, Tony Mcclellan

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Indot 2017 Connected Vehicle Deployments On Us 30 And Us 31, John Mcgregor, Howell Li

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Geomatics Engineering And Autonomous Vehicles, Ayman Habib, Jim Sturdevant

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Field Testing In Peer States And Emerging Partnership Opportunities, Srinivas Peeta

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Connected And Autonomous Vehicle Summit, Jim Poturalski

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Purdue Connected Autonomous Transportation Initiative, Tomas Diaz De La Rubia

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

John Brown University Disaster Shelter Competition, Julia Anderson, Katie Bipes, Antonio Gonzalez, Danny O’Malley, Colin Skaggs, La’Akea Warren

Civil, Environmental and Sustainable Engineering Senior Theses

John Brown University hosted the 6th annual Disaster Shelter Relief Competition in April 2017 for which the team built a prototype shelter and proposed a camp plan. Both the shelter and the camp plan were designed to house refugees coming into Greece from the Middle East. The shelter would accommodate a family of four and the camp plan was designed to hold 1250 shelters, or 5000 people. The shelter was built on site at John Brown University and was required to take less than two hours to fully construct. This report summarizes the work the team did for the competition, …

Identification Of Roadway Assets By Integration Of Lidar And Camera Images, Michelle Mekker, Yun-Jou Lin, Magdy I. Elahnasawy, Tamer S.A. Shamseldin, Ayman Habib, Darcy M. Bullock

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Connected Vehicle Data For Work Zone Performance Measures, Michelle Mekker, Howell Li, Yun-Jou Lin, Magdy I. Elahnasawy, Tamer S.A. Shamseldin, Ayman Habib, Darcy M. Bullock

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Connected Vehicle Data For Traffic Signal Performance Measures, Jijo K. Mathew

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Connected Vehicle Data For Interstate Performance Measures, Rahul Sakhare, Howell Li

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Connected Vehicle (Cv) Technology Overview, Howell Li, W Benjamin Smith

Indiana Connected and Autonomous Vehicle Summit

No abstract provided.

Optimum Injury And Illness Prevention Cost For U.S. Construction Projects, Sathyanarayanan Rajendran, Morgan Bliss, Dominic Klyve

Mathematics Faculty Scholarship

Worker injuries and illnesses can affect the profitability of an organization. Regardless of the regulatory requirements for safety and health, many organizations prefer to see positive returns (i.e., better safety metric performance) on their safety investments (i.e., project costs associated with injury and illness prevention programs). Understanding the relationship between costs associated with an injury and illness prevention program of a construction project and project safety performance is critical to the future success of construction organizations in the United States. In evaluating this relationship, the authors’ goal was to identify an equilibrium point of injury and illness prevention program investment …