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University of Nevada, Las Vegas
Civil and Environmental Engineering and Construction Faculty Research
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Articles 1 - 5 of 5
Full-Text Articles in Engineering
Sacrificial Piles As Scour Countermeasures In River Bridges A Numerical Study Using Flow-3d, Mohammad Nazari-Sharabian, Aliasghar Nazari-Sharabian, Moses Karakouzian, Mehrdad Karami
Sacrificial Piles As Scour Countermeasures In River Bridges A Numerical Study Using Flow-3d, Mohammad Nazari-Sharabian, Aliasghar Nazari-Sharabian, Moses Karakouzian, Mehrdad Karami
Civil and Environmental Engineering and Construction Faculty Research
Scour is defined as the erosive action of flowing water, as well as the excavating and carrying away materials from beds and banks of streams, and from the vicinity of bridge foundations, which is one of the main causes of river bridge failures. In the present study, implementing a numerical approach, and using the FLOW-3D model that works based on the finite volume method (FVM), the applicability of using sacrificial piles in different configurations in front of a bridge pier as countermeasures against scouring is investigated. In this regard, the numerical model was calibrated based on an experimental study on …
Estimation Of Performance Indices For The Planning Of Sustainable Transportation Systems, Alexander Paz, Pankaj Maheshwari, Pushkin Kachroo, Sajjad Ahmad
Estimation Of Performance Indices For The Planning Of Sustainable Transportation Systems, Alexander Paz, Pankaj Maheshwari, Pushkin Kachroo, Sajjad Ahmad
Civil and Environmental Engineering and Construction Faculty Research
In the context of sustainable transportation systems, previous studies have either focused only on the transportation system or have not used a methodology that enables the treatment of incomplete, vague, and qualitative information associated with the available data. This study proposes a system of systems (SOS) and a fuzzy logic modeling approach. The SOS includes the Transportation, Activity, and Environment systems. The fuzzy logic modeling approach enables the treatment of the vagueness associated with some of the relevant data. Performance Indices (PIs) are computed for each system using a number of performance measures. The PIs illustrate the aggregated performance of …
Integration Of Service-Learning Into Civil And Environmental Engineering Curriculum, T. C. Piechota, Shashi S. Nambisan
Integration Of Service-Learning Into Civil And Environmental Engineering Curriculum, T. C. Piechota, Shashi S. Nambisan
Civil and Environmental Engineering and Construction Faculty Research
Service-learning is defined as integrating the community service experience of students with their academic study so that learning is enhanced. The level of student participation in community service is at an all time high as students feel the need to confront today's technical and societal problems. However, service-learning is more than community service or volunteerism. Service-learning as defined above, integrates the community service experience with the student’s academic study (note the hyphen in "service-learning" means that both are considered equal). This enhances learning which is a fundamental goal of colleges and universities. Boyer highlights the need for service-learning stating that …
Involving Undergraduate And High School Students In Research: Opportunities, Challenges, And Rewards, Shashi S. Nambisan
Involving Undergraduate And High School Students In Research: Opportunities, Challenges, And Rewards, Shashi S. Nambisan
Civil and Environmental Engineering and Construction Faculty Research
Historically student involvement in research at Universities and Colleges has primarily revolved around those in graduate programs. However, the NSF’s Research Experience for Undergraduates program and ABET’s evaluation criteria regarding undergraduate participation in research are examples of efforts and initiatives over the last decade to target and include undergraduate students in research efforts. Going one step further would be including high school students in such efforts. This paper summarizes efforts, experiences, and initiatives over the last six years at the UNLV Transportation Research Center to include undergraduate and high school students in research projects and lessons learned from the same …
A Dynamic Simulation Model Of Beach Sand Replenishment: A Case Study Of Santa Barbara, California, David Turbow, Steve Norwick, Sajjad Ahmad
A Dynamic Simulation Model Of Beach Sand Replenishment: A Case Study Of Santa Barbara, California, David Turbow, Steve Norwick, Sajjad Ahmad
Civil and Environmental Engineering and Construction Faculty Research
Sediment deprivation from dam installments contributes to beach erosion yet the underlying physical and economic factors linking them together have traditionally been isolated during regional planning. In order to gain a better understanding of the behavior of a managed beach system, a dynamic simulation model was developed incorporating physical and monetary factors influencing the amount of available beach sand. The Santa Barbara littoral cell was chosen as a case study to evaluate the feasibility of beach preservation goals under scenarios in which annual sand replenishment funding, sand prices, or sediment recovery from behind dams were limiting factors to available beach …