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Full-Text Articles in Construction Engineering and Management
Exploratory Analysis Of Accuracy Monitoring Techniques In Vehicle Detection Systems For Intelligent Transportation Systems Applications And Maintenance, Manasi Sanjay Palod
Exploratory Analysis Of Accuracy Monitoring Techniques In Vehicle Detection Systems For Intelligent Transportation Systems Applications And Maintenance, Manasi Sanjay Palod
Theses and Dissertations
The goal of transportation management is to ensure the mobility of people and goods, in a reliable and efficient manner. Operation and maintenance of transportation infrastructure is key to accomplish their objectives. Intelligent Transportation Systems (ITS) applications rely on massive detection networks that collectively demand significant maintenance resources. Resource constraints force transportation agencies to look for innovative ways to optimize their operational and maintenance costs while serving their users at intended performance levels. The system inputs come from vehicle detection system (VDS), acting as field data collection devices, enabling traffic monitoring and management through response to specific conditions. This research …
Simulation Based Cost-Benefit Analysis For The Inspection Of Highway Bridges Using Small Unmanned Aerial Systems, Rashmi Kadamkulangara Balagopalan
Simulation Based Cost-Benefit Analysis For The Inspection Of Highway Bridges Using Small Unmanned Aerial Systems, Rashmi Kadamkulangara Balagopalan
Theses and Dissertations
Visual inspections remain significantly important in surveying the present decay and deterioration status of bridge inspections. These inspections are critical to conduct patch-up remedies and maintenance assignments to guarantee the continued serviceability of structures. Given the high inventory of bridges nationwide (over of 600,000 bridges), increasing costs of bridge inspections are becoming a concern for departments of transportation (DOTs). The conventional inspection method is costly due to various factors. For example, the current approach often requires specialized equipment (e.g., bucket trucks) to conduct underside bridge inspections that significantly affect safety levels on the field and overall costs, and inspectors need …
Extraction Of Phase-Resolved Wave Data From X-Band Radar Imagery, Alexandra Simpson
Extraction Of Phase-Resolved Wave Data From X-Band Radar Imagery, Alexandra Simpson
Link Foundation Ocean Engineering and Instrumentation Fellowship Reports
Typically, phase-resolved measurements of the sea surface are limited to single-point time series from in situ sensors, or arrays of multiple in situ sensors. The deployment of such devices is costly and time intensive, and the wave data they provide is limited in its spatial coverage and directional accuracy. Several remote sensing options, including optical video and X-Band marine radars, offer the possibility of full 2D reconstruction of the phase-resolved directional sea on spatial scales of kilometers. Ocean waves are visible in radar imagery as the ubiquitous backscatter from short wind ripples is modulated by the longer gravity waves. However, …