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Prediction of Concrete Bridge Deck Condition Ratting Based on Climate Data in Addition to Bridge Data: Five States as a Case Study (open access)

Prediction of Concrete Bridge Deck Condition Ratting Based on Climate Data in Addition to Bridge Data: Five States as a Case Study

Evaluating the impact of learning from climate data, in addition to bridge data, on the performance of concrete deck condition rating prediction is critical for identifying the right data needed to enhance bridge maintenance decision making. Few studies have considered such an evaluation and utilized a small size of samples that prevent revealing the knowledge hidden within the big size of data. Although, such evaluation over big data seems quite necessary, class imbalance problem makes it challenging. To alleviate such a problem, five states, including Alabama, Iowa, New York, Pennsylvania, and South Carolina, were selected as the case study. Not only are the states located in three different climatically consistent regions defined by the National Ocean and Atmospheric Administration (NOAA), but also their concrete deck conditions ratings are somewhat balanced. To conduct the evaluation, this research developed the bridge data set pertaining to 56,288 bridges across the afore-mentioned states through employing the GIS technology. The bridge data set contains bridge data derived from National Bridge Inventory (NBI), and climate data derived from Parameter-elevation Relationships on Independent Slopes Model (PRISM) climate maps and NOAA. Then, two machine learning algorithms, including random forest and GBM, were trained - with and without climate …
Date: June 2022
Creator: Fard, Fariba
System: The UNT Digital Library
Squadron Officer Correspondence, Course 2A, Volume 22. Organization for National Security (open access)

Squadron Officer Correspondence, Course 2A, Volume 22. Organization for National Security

Filled out correspondence exam on national security for an Air Force squadron officer course.
Date: June 1960
Creator: United States. Air Force.
System: The Portal to Texas History
Summary of Cummulative Environmental Impacts -Naval Weapons Station Charleston SC (open access)

Summary of Cummulative Environmental Impacts -Naval Weapons Station Charleston SC

Disregard restriction header and footer - Summary of Environmental Impacts and Costs for Naval Weapons Station Charleston SC
Date: June 23, 2005
Creator: United States. Department of Defense.
System: The UNT Digital Library
Summary of Cummulative Environmental Impacts -Marine Corps Air Station Beaufort (open access)

Summary of Cummulative Environmental Impacts -Marine Corps Air Station Beaufort

Disregard restriction header and footer - Summary of Environmental Impacts and Costs for MCAS Beaufort
Date: June 23, 2005
Creator: United States. Department of Defense.
System: The UNT Digital Library
Community Input from the Charleston, SC Metro Chamber of Commerce, in support of the Joint Transportation, Logistics, Engineering and Training Complex (open access)

Community Input from the Charleston, SC Metro Chamber of Commerce, in support of the Joint Transportation, Logistics, Engineering and Training Complex

Community Input from the Charleston, SC Metro Chamber of Commerce, in support of the Joint Transportation, Logistics, Engineering and Training Complex. Included in the document is the presentation "Charleston, SC, A Joint Military Complex: Existing, Proven, Unique - a model for Transformation".
Date: June 24, 2005
Creator: unknown
System: The UNT Digital Library
[Client Card: Mrs. Elizabeth Bonner] (open access)

[Client Card: Mrs. Elizabeth Bonner]

Client card describing work completed at the Roman Bronze Works Foundry for Mrs. Elizabeth Bonner, including a job number, brief description, monetary amount, and dates associated with each entry. This work order includes a bronze cast of a female nude figure, a bronze cast of a female portrait head, a bronze cast of children playing, and a cast of a standing female.
Date: June 1964
Creator: Roman Bronze Works Foundry
System: The Portal to Texas History