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Articles 1 - 10 of 10
Full-Text Articles in Engineering
Game Theory Approach To Transportation Network Vulnerability Measurement, Qixing Wang
Game Theory Approach To Transportation Network Vulnerability Measurement, Qixing Wang
Master's Theses
The vulnerability of a transportation network is strongly correlated with the ability of the network to withstand shocks and disruptions. A robust network with strategic redundancy allows for the redistribution or reassignment of traffic without unduly compromising system performance. As such, high-volume edges with limited alternative paths represent system vulnerabilities – a feature of transportation networks that has been exploited in the past to identify critical components. In this thesis, a mixed-strategy, two opponents, non-zero sum, combinatorial game theoretical framework are presented for measuring network vulnerability. Two solution approaches (Shortest Path Algorithm with Entropy function (SPE) & User Equilibrium Assignment …
Environmental Justice Ties To Electronic Travel Surveys And Transit Accessibility, Nicholas A. Hart
Environmental Justice Ties To Electronic Travel Surveys And Transit Accessibility, Nicholas A. Hart
Master's Theses
No abstract provided.
Impacts And Analysis For Buildings Under Terrorist Attacks, Edward Eskew, Shinae Jang
Impacts And Analysis For Buildings Under Terrorist Attacks, Edward Eskew, Shinae Jang
CEE Articles
No abstract provided.
Network- Level Pavement Performance And Management Study In Connecticut, Ramandeep S. Josen
Network- Level Pavement Performance And Management Study In Connecticut, Ramandeep S. Josen
Master's Theses
This thesis presents the analysis of asphalt pavement cracking data on the network level in Connecticut. Pavement performance indicators including longitudinal and transverse cracking as well as roughness are investigated with respect to numerous distinct factors that can be grouped into three categories, i.e. climatic-, pavement structure-, and traffic-related. High-quality climatic data was obtained from the national weather stations in Connecticut. Maintenance and construction data was used to determine the pavement age and structure amongst several other factors. Traffic data was acquired from the state records and accumulated traffic loading was estimated for all segments based on their age. High …
The Effects Of Bolt Pretension, In-Plane Eccentricity, And Friction On The Ductility Of Block Shear Connections, Kevin M. Zmetra
The Effects Of Bolt Pretension, In-Plane Eccentricity, And Friction On The Ductility Of Block Shear Connections, Kevin M. Zmetra
Master's Theses
Block shear is a complex failure mechanism in bolted and welded steel components such as gusset plates, webs of coped beams, angles and tees. It presumes a combination of tension rupture and shear yield. Multiple variables affect the block shear capacity and ductility of a connection. This study investigates the effects of bolt pretension, connection eccentricity and friction force transfer through a series of destructive experiments followed by refined finite element simulation. Clamping forces create a complex triaxial stress field compounded by the stress concentration at the bolt holes. In-plane load eccentricity with respect to the centerline of the connection …
Investigation Of Trends And Predictive Effectiveness Of Crash Severity Models, James E. Mooradian
Investigation Of Trends And Predictive Effectiveness Of Crash Severity Models, James E. Mooradian
Master's Theses
This thesis describes analysis using ordinal logistic regression to uncover temporal patterns in the severity level (fatal, serious injury, minor injury, slight injury or no injury) for persons involved in highway crashes in Connecticut, focusing on the demographic split between senior travelers (65 years and over) and non-senior travelers. Existing state sources provide data describing the time and weather conditions for each crash and the vehicles and persons involved over the time period from 1995 to 2009 as well as the traffic volumes and the characteristics of the roads on which these crashes occurred. Findings indicate an overall increase in …
Short Term Monitoring Of Suspender Cables On An In-Service Highway Bridge, Gannon Stromquist-Levoir
Short Term Monitoring Of Suspender Cables On An In-Service Highway Bridge, Gannon Stromquist-Levoir
Master's Theses
No abstract provided.
Laboratory And Field Evaluation Of Two Warm-Mix Additives In Connecticut And Validation Of An Alternative Moisture Susceptibility Test, Alexander K. Bernier
Laboratory And Field Evaluation Of Two Warm-Mix Additives In Connecticut And Validation Of An Alternative Moisture Susceptibility Test, Alexander K. Bernier
Master's Theses
The first official state Warm-Mix Asphalt (WMA) pavement project in Connecticut was constructed between July 20th and 22nd, 2010 and it involved three experimental sections, i.e. one section with a conventional HMA (control section) and two WMA sections with different technologies, wax and foamed asphalt. All three sections are located on Route 70 in central Connecticut. The materials were collected in loose form and reheated and compacted in laboratory conditions (laboratory fabricated specimens). This paper discusses the effect of mix type on the results from several tests conducted in the laboratory, such as Semi-Circular Bending, Hamburg Wheel Tracking, Indirect Tensile, …
Computer-Aided Engineering Tools For Structural Health Monitoring Under Operational Conditions, Priscilla O. Mensah-Bonsu
Computer-Aided Engineering Tools For Structural Health Monitoring Under Operational Conditions, Priscilla O. Mensah-Bonsu
Master's Theses
This thesis presents two different applications of computer-aided non-destructive approaches for structures monitored under operational conditions. The first part of the thesis is the development of a graphical user interface (GUI) software for real-time autonomous assessment of structural health condition based on the signature vibration properties of the structure under study. The program, called ConImote2, operates on the wireless sensor network platform called imote2. ConImote2 is created in the Matlab platform for accessibility and to enable extension of its capabilities by the user. The primary goal of creating the program is to overcome the issue of data inundation from SHM …
Creating A Pedestrian Level-Of-Service Index For Transit Stops: Evidence From Denver’S Light Rail System, Patrick Gallagher
Creating A Pedestrian Level-Of-Service Index For Transit Stops: Evidence From Denver’S Light Rail System, Patrick Gallagher
Master's Theses
No abstract provided.